Door and window edge sealing structure and door and window system

Abstract

The present invention discloses a door and window edge sealing structure and a door and window system, wherein the door and window edge sealing structure comprises a first flow blocking strip installed on the side surface of the frame of a first door and window, the first flow blocking strip extending in the direction of the plane where the side surface of the frame of a second door and window is located, and does not interfere with the movement of the second door and window; wherein, when the frames of the first door and window correspond to the frames of the second door and window, the first flow blocking strip is configured to form a first sealing portion between its end portion and the second door and window, and the first sealing portion is configured to increase the flow resistance of air flowing through the gap between the first flow blocking strip and the second door and window; by installing the first flow blocking strip on the side surface of the frame of the first door and window, the flow resistance of air between the first door and window and the second door and window is increased by utilizing the first sealing portion, so as to achieve the purpose of improving the sealing between the first door and window and the second door and window, and the first flow blocking strip does not interfere with the movement of the second door and window, and can play a role in avoiding failure of the sealing structure.

Description

Technical Field

[0001] The present invention relates to the technical field of door and window sealing, and in particular to a door and window edge sealing structure and a door and window system. Background Art

[0002] Generally, a sealing structure is usually designed at the edge of a door or window to provide sound insulation and prevent air leakage after the door or window is closed.

[0003] In the prior art, sealing structures are typically installed on the vertical frames of doors or windows, typically using brushes or rubber strips. For example, in the case of sliding doors or windows, when the doors or windows are closed, the brushes on the vertical frame of one door or window come into contact with the vertical frame of the adjacent door or window, creating a seal between the two adjacent doors or windows.

[0004] However, in this traditional sealing structure, since the brushes or rubber strips will interfere with and rub against the adjacent vertical frames during the process of opening and closing doors or windows, deformation and loss problems may easily occur, resulting in poor sealing effect of this traditional sealing structure and easy failure. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a door and window edge sealing structure to solve the following technical problems mentioned in the background art, namely, the traditional sealing structure has poor sealing effect and is prone to failure.

[0006] The technical solution adopted by the present invention to solve the problem is:

[0007] A door and window edge sealing structure is applied between a first door and window and an adjacent second door and window in a sliding door, wherein the window edge sealing structure includes a first obstruction strip installed on the side of the frame of the first door and window, the first obstruction strip extending in the direction of the plane where the side of the frame of the second door and window is located, and does not interfere with the movement of the first door and window or the second door and window; wherein, when the frames of the first door and window correspond to those of the second door and window, the first obstruction strip is configured to form a first sealing portion between its end portion and the second door and window, and the first sealing portion is configured to increase the flow resistance of air flowing through the gap between the first obstruction strip and the second door and window.

[0008] Furthermore, a first groove is formed at the end of the first spoiler strip; wherein, when the edges of the first door window and the second door window correspond to each other, the cavity between the first groove and the second door window is formed into the first sealing portion.

[0009] Furthermore, the door and window edge sealing structure also includes a second blocker strip installed on the second door and window, the second blocker strip extending in the direction of the plane where the side of the frame of the first door and window is located, and does not interfere with the movement of the first door and window or the second door and window; wherein, when the frames of the first door and window correspond to the frames of the second door and window, the second blocker strip is configured to form a second sealing portion between its end and the first door and window, and the second sealing portion is configured to increase the flow resistance of air flowing through the gap between the second blocker strip and the first door and window.

[0010] Furthermore, the second flow-blocking strip is provided with a second groove; wherein, when the edges of the first door and window correspond to the edges of the second door and window, the cavity between the second groove and the first door and window is formed into the second sealing portion.

[0011] Furthermore, when the edges of the first door and window correspond to those of the second door and window, a third sealing portion is formed between the first spoiler strip and the second spoiler strip, the third sealing portion connects the first sealing portion and the second sealing portion, and the third sealing portion is configured to extend the flow path of air between the first door and window and the second door and window.

[0012] Furthermore, when the edges of the first door and window correspond to the edges of the second door and window, the first blocker strip and the second blocker strip are staggered so that the space between the first blocker strip and the second blocker strip is formed into the third sealing portion.

[0013] Furthermore, the first spoiler has a first front end and a first rear end; the first front end and the first rear end are both configured to be able to extend in a direction close to the second door and window, and the first rear end is located on the side of the first front end close to the movement range of the second door and window; the wall surface between the first front end and the first rear end transitions in a circular arc to form the first groove.

[0014] Furthermore, the second spoiler strip is provided with a second front end and a second rear end at the far end, and the second front end and the second rear end are both configured to be able to extend in a direction close to the first door and window, and the second rear end is located on the side of the second front end close to the movement range of the first door and window; the wall surface between the second front end and the second rear end transitions in a circular arc to form the second groove.

[0015] Furthermore, when the edges of the first door and window correspond to the edges of the second door and window, the gap between the first spoiler strip and the second door and window is less than or equal to 1 mm, and / or the gap between the second spoiler strip and the first door and window is less than or equal to 1 mm, and / or the gap between the first spoiler strip and the second spoiler strip is less than or equal to 1 mm.

[0016] Another object of the present invention is to disclose a door and window system, which includes a first door and window, a second door and window, an outer frame that can be embedded in a wall, and the door and window edge sealing structure as described above; the first door and window and the second door and window are arranged in parallel and are both movably installed on the outer frame; the door and window edge sealing structure is installed between the edge of the first door and window and the edge of the second door and window, and / or, the door and window edge sealing structure is installed between the edge of the first door and window and the edge corresponding to the outer frame, and / or, the door and window edge sealing structure is installed between the edge of the second door and window and the edge corresponding to the outer frame.

[0017] Furthermore, the edges of the first door and window and the second door and window are both provided with a card slot, and the first blocker strip and the second blocker strip both have a card connection portion, and the card connection portion is embedded in the card slot.

[0018] In summary, the door and window edge sealing structure provided by the present invention has the following technical effects:

[0019] 1) The door and window edge sealing structure comprises a first flow-blocking strip extending toward the side of the frame of the second door and window on the side of the frame of the first door and window, and a first sealing portion formed between the end of the first flow-blocking strip and the side of the frame corresponding to the second door and window. The first sealing portion increases the flow resistance of air between the first door and window and the second door and window, thereby improving the sealing between the first door and window and the second door and window. The first flow-blocking strip does not interfere with the movement of the second door and window, thereby preventing failure of the sealing structure and improving the service life of the first flow-blocking strip.

[0020] 2) By designing a first groove with an arc-shaped wall at the end of the first spoiler strip, the air flowing into the first groove moves in the first groove in the form of a swirl flow, that is, the air flowing into the first groove will swirl, thereby achieving the purpose of reducing the speed of air flowing out of the first groove;

[0021] 3) By designing the second choke strip and the second groove at its end, the air flow resistance can be further increased, thereby reducing the air flow rate and further improving the sealing performance;

[0022] 4) The reverse flow resistance of the air in the third sealing portion can further increase the flow resistance of the air between the first door and window and the second door and window, that is, further improve the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of a door and window edge sealing structure according to an embodiment of the present invention;

[0024] Figure 2This is a schematic structural diagram of the first flow-blocking strip according to an embodiment of the present invention;

[0025] Figure 3 Schematic diagram of the air flow in the third sealing portion when the door and window are closed;

[0026] Figure 4 A schematic diagram of the flow of air from the outside of the first front end into the first sealing portion;

[0027] Figure 5 This is a schematic structural diagram of the door and window system described in the present invention;

[0028] Figure 6 for Figure 5 A partial enlarged view of part A.

[0029] The meanings of the reference numerals are as follows:

[0030] 1. First door and window; 2. Second door and window; 3. First spoiler; 31. First groove; 32. First front end; 33. First rear end; 4. First sealing portion; 5. Second spoiler; 51. Second groove; 52. Second front end; 53. Second rear end; 6. Second sealing portion; 7. Third sealing portion; 8. Card slot; 9. Card connection portion. DETAILED DESCRIPTION

[0031] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the present invention.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0034] See Figures 1 to 4One of the purposes of this embodiment is to disclose a door and window edge sealing structure, which is applied between a first door and window 1 and an adjacent second door and window 2 in a sliding door, wherein the edge sealing structure includes a first blocking strip 3, the first blocking strip 3 being installed on the side of the frame of the first door and window 1, and the first blocking strip 3 extending in the direction of the plane where the side of the frame of the second door and window 2 is located, and does not interfere with the movement of the first door and window 1 or the second door and window 2; wherein, when the frames of the first door and window 1 and the second door and window 2 correspond to each other, the first blocking strip 3 is configured to form a first sealing portion 4 between its end portion and the second door and window 2, and the first sealing portion 4 is configured to increase the flow resistance of air flowing through the gap between the first blocking strip 3 and the second door and window 2.

[0035] The door and window edge sealing structure disclosed in this embodiment is characterized in that a first flow blocking strip 3 extending in the direction of the plane where the frame side of the second door and window 2 is located is installed on the frame side of the first door and window 1 to fill the gap between the first door and window 1 and the second door and window 2, so as to block the air circulation between the first door and window 1 and the second door and window 2, thereby ensuring basic sealing. Furthermore, a first sealing portion 4 is formed between the end of the first flow blocking strip 3 and the frame side corresponding to the second door and window 2. Since the first sealing portion 4 can increase the flow resistance of air between the first door and window 1 and the second door and window 2, the corresponding flow rate will naturally decrease as the air flow resistance increases. This enables the first sealing portion 4 to reduce the air circulation rate in the gap between the first flow blocking strip 3 and the second door and window 2, thereby improving the sealing between the first door and window 1 and the second door and window 2. The first flow blocking strip 3 does not interfere with the movement of the first door and window 1 or the second door and window 2, thereby avoiding failure of the sealing structure and improving the service life of the first flow blocking strip 3.

[0036] Among them, in this embodiment, the side frame of the first door and window 1 or the second door and window 2 can be understood as the edge side of the first door and window 1 or the second door and window 2 parallel to the main panel surface (such as the glass surface); the edges or frames of the first door and window 1 and the second door and window 2 correspond to each other, which can be understood as the position state of the adjacent first door and window 1 and the second door and window 2 after closing the door or closing the window, that is, the state when the two vertical frames closest to each other of the first door and window 1 and the second door and window 2 correspond to each other after closing the door or closing the window; specifically, the first spoiler strip 3 is preferably installed on the vertical frame of the first door and window 1.

[0037] Preferably, see Figure 2The end of the first blocker strip 3 is provided with a first groove 31, the notch of the first groove 31 facing the plane of the side of the frame of the second door and window 2. When the edges of the first door and window 1 and the second door and window 2 correspond to each other, the cavity between the first groove 31 and the second door and window 2 forms a first sealing portion 4. After closing the door or window, the first groove 31 at the end of the first blocker strip 3 can suddenly increase the partial space for air flow between the end of the first blocker strip 3 and the second door and window 2, so that the air flow gap between the first blocker strip 3 and the second door and window 2 forms a "small gap-large gap-small gap" spatial structure, that is, the air first flows through the narrow space, then enters the large space, and then passes through the small space again. Since the initial space is narrow, it can ensure that the volume of air passing through it is small (that is, the volume of air passing through each time is small) and the flow rate is small and the resistance is large. After passing through the narrow space, this part of the small volume of air will enter the first groove 31. Since the first groove 31 acts as a sudden increase in space, the circulation space suddenly increases, which makes the small volume of air mix and collide with the air in the first groove 31 to form a mixed flow state, thereby reducing the air circulation rate. After the small volume of air passes through the mixed flow and deceleration effect of the first groove 31, it has to pass through the suddenly narrowed space before it can flow through the first baffle strip 3. Obviously, its resistance through the narrow space will be further increased, so as to achieve the effect of increasing the air circulation resistance, that is, the first baffle strip 3 achieves the purpose of increasing the air flow resistance by designing the first groove 31 at the end.

[0038] Preferably, see Figure 1 The door and window edge sealing structure also includes a second blocker strip 5 installed on the second door and window 2, which extends in the direction of the plane where the side of the frame of the first door and window 1 is located, and does not interfere with the movement of the first door and window 1 or the second door and window 2; wherein, when the frames of the first door and window 1 and the second door and window 2 correspond to each other, the second blocker strip 5 is configured to form a second sealing portion 6 between its end and the first door and window 1, and the second sealing portion 6 is configured to increase the flow resistance of air flowing through the gap between the second blocker strip 5 and the first door and window 1.

[0039] By installing a second spoiler strip 5 on the side of the frame of the second door and window 2, which extends toward the side of the frame of the first door and window 1 or toward the moving plane of the first door and window 1, it can fill the gap between the first door and window 1 and the second door and window 2. In combination with the first spoiler strip 3 extending toward the second door and window 2 to block the air circulation, the first spoiler strip 3 and the second spoiler strip 5 can be combined to achieve the purpose of tortuously changing the air flow path between the first door and window 1 and the second door and window 2, so as to further increase the air flow resistance and further improve the basic sealing performance.

[0040] Furthermore, by forming a second sealing portion 6 between the end of the second spoiler strip 5 and the side surface of the frame corresponding to the first door and window 1, the second sealing portion 6 can further increase the flow resistance of air between the first door and window 1 and the second door and window 2. As the air flow resistance increases, its corresponding flow rate will naturally decrease further. This allows the second sealing portion 6 to reduce the air circulation rate in the gap between the second spoiler strip 5 and the first door and window 1, thereby achieving the purpose of further improving the sealing between the first door and window 1 and the second door and window 2, and the second spoiler strip 5 does not interfere with the movement of the first door and window 1, thereby achieving the purpose of avoiding failure of the sealing structure, which is beneficial to improving the service life of the second spoiler strip 5.

[0041] Preferably, the second blocker strip 5 is provided with a second groove 51, the notch of the second groove 51 being oriented toward the plane of the side of the frame of the first door or window 1; wherein, when the edges of the first door or window 1 and the second door or window 2 correspond to each other, the cavity between the second groove 51 and the door or window 1 is formed into a second sealing portion 6. Similarly, after closing the door or window, since the end of the second blocker strip 5 has the second groove 51, the second groove 51 can suddenly increase the partial space for air flow between the end of the second blocker strip 5 and the first door or window 1, so that the air flow gap between the second blocker strip 5 and the first door or window 1 forms a "small gap-large gap-small gap" spatial structure, that is, the air first flows through the narrow space, then enters the large space, and then passes through the small space again. Since the initial space is narrow, this can ensure that the volume of air passing through it is small (that is, the volume of air passing through each time is small) and the flow rate is small and the resistance is large. After passing through the narrow space, this part of the small volume of air will enter the second groove 51. Since the second groove 51 acts as a sudden increase in space, the circulation space suddenly increases, which makes the small volume of air mix and collide with the air in the second groove 51 to form a mixed flow state, thereby playing a role in reducing the air circulation rate. After the small volume of air passes through the mixed flow and deceleration effect of the second groove 51, it has to pass through the suddenly narrowed space before it can flow through the second baffle strip 5. Obviously, its resistance through the narrow space will be further increased, so as to achieve the effect of increasing the air circulation resistance, that is, the second baffle strip 5 achieves the purpose of increasing the air flow resistance by designing the second groove 51 at the end.

[0042] In some embodiments, when the edges of the first door and window 1 and the second door and window 2 correspond to each other, a third sealing portion 7 is formed between the first blocker strip 3 and the second blocker strip 5. The third sealing portion 7 connects the first sealing portion 4 and the second sealing portion 6, and is configured to extend the air flow path between the first door and window 1 and the second door and window 2. Because the first blocker strip 3 is disposed on the first door and window 1 and extends toward the second door and window 2, and the second blocker strip 5 is disposed on the second door and window 2 and extends toward the first door and window 1, the combination of the first blocker strip 3 and the second blocker strip 5 can serve to zigzag the air flow path. In addition, the third sealing portion 7 serves to extend the air flow path between the first door and window 1 and the second door and window 2, thereby further zigzagging the air flow path between the first door and window 1 and the second door and window 2, thereby further reducing the air flow rate and further improving the sealing performance.

[0043] When the edges of the first door and window 1 and the second door and window 2 correspond to each other, the first blocking strip 3 and the second blocking strip 5 are staggered so that the space between the first blocking strip 3 and the second blocking strip 5 forms a third sealing portion 7. In the process of closing the door or window, the first blocking strip 3 and the second blocking strip 5 are close to each other, so that the space between them is compressed. That is, in the process of closing the door or window, more specifically, when the door closing operation is about to be completed or the window closing operation is about to be completed, such as Figure 3 As shown, the air in the third sealing portion 7 will flow outward due to the mutual approach of the first spoiler strip 3 and the second spoiler strip 5, that is, after the air in the third sealing portion 7 is pressurized, it will flow into the first groove 31 and the second groove 51 respectively through the ports at both ends thereof, that is, when the first spoiler strip 3 and the second spoiler strip 5 are close to each other, the flow direction of the air in the third sealing portion 7 into the first groove 31 will be opposite to the flow direction of the air outside the first door and window 1 through the first spoiler strip 3 and into the first groove 31, and the flow direction of the air in the third sealing portion 7 into the second groove 51 will be opposite to the flow direction of the air outside the second door and window 2 through the second spoiler strip 5 and into the second groove 51. The third sealing portion 7 is located between the first spoiler strip 3 and the second spoiler strip 5. Therefore, it is obvious that the air flowing into the first groove 31 in the third sealing portion 7 can further block the air flowing in from the outside of the first spoiler strip 3, so as to further increase the air flow resistance. Similarly, the air flowing into the second groove 51 in the third sealing portion 7 can further block the air flowing in from the outside of the second spoiler strip 5, so as to further increase the air flow resistance. That is, the third sealing portion 7 further increases the air flow resistance between the first door and window 1 and the second door and window 2 during the process of closing the door or window, so as to further improve the sealing performance.

[0044] In some embodiments, the first spoiler 3 has a first front end 32 and a first rear end 33; the first front end 32 and the first rear end 33 are both configured to be able to extend in a direction close to the second door and window 2, and the first rear end 33 is located on the side of the first front end 32 close to the movement range of the second door and window 2; since the first front end 32 is configured to be able to extend in a direction close to the second door and window 2, the space between the first front end 32 and the second door and window 2 can achieve the purpose of forming the first "small gap" structure in the "small gap-large gap-small gap"; and since the first rear end 33 is configured to be able to extend in a direction close to the second door and window 2, the space between the first rear end 33 and the second door and window 2 can achieve the purpose of forming the second "small gap" structure in the "small gap-large gap-small gap".

[0045] The wall between the first front end 32 and the first rear end 33 is in an arc transition to form the first groove 31. Figure 4 As shown, since the wall surface between the first front end 32 and the first rear end 33 is configured in a circular arc transition structure, after a small amount of air passes through the first front end 32 and enters the first groove 31, the small amount of air will mix with the air in the first groove 31 and move along the circular arc wall surface, forming a swirl. In this way, the small amount of air in the swirl state can only leave the first baffle 3 when it moves along the wall surface between the second door and window or the first groove and passes through the gap between the first rear end 33 and the second door and window 2. The air that cannot move along the wall surface can only continue to swirl. Therefore, it is obvious that by configuring the wall surface of the first groove 31 as a circular arc, the air circulation rate can be further reduced. In other words, the first groove 31 with a circular arc wall surface can further increase the air flow resistance, thereby further improving the sealing performance. At the same time, during the process of closing the door or window, the reverse flow of air in the third sealing portion 7 can further prevent air from flowing out of the first groove 31 through the first rear end 33.

[0046] Preferably, the second spoiler 5 is provided with a second front end 52 and a second rear end 53 at the far end, and the second front end 52 and the second rear end 53 are both configured to be able to extend in the direction close to the first door and window 1, and the second rear end 53 is located on the side of the second front end 52 close to the movement range of the first door and window 1; since the second front end 52 is configured to be able to extend in the direction close to the first door and window 1, this enables the space between the second front end 52 and the first door and window 1 to achieve the purpose of forming the first "small gap" structure in "small gap-large gap-small gap"; and since the second rear end 53 is configured to be able to extend in the direction close to the first door and window 1, this enables the space between the second rear end 53 and the first door and window 1 to achieve the purpose of forming the second "small gap" structure in "small gap-large gap-small gap".

[0047] The wall surface between the second front end 52 and the second rear end 53 is formed into an arc transition to form the second groove 51. Since the wall surface between the second front end 52 and the second rear end 53 is set to a circular arc transition structure, after a small amount of air passes through the second front end 52 and enters the second groove 51, the small amount of air will mix with the air in the second groove 51 and move along the circular arc wall surface to form a vortex. In this way, the small amount of air in the vortex state can only leave the second baffle 5 when it moves along the wall surface between the first door and window or the second groove and passes through the gap between the second rear end 53 and the first door and window 1. The air that fails to move along the wall surface can only continue to swirl. Therefore, it is obvious that by setting the wall surface of the second groove 51 to be circular arc-shaped, the air circulation rate can be further reduced. That is, the second groove 51 with an arc-shaped wall surface can further increase the flow resistance of the air, thereby further improving the sealing performance. Similarly, during the process of closing the door or window, the reverse flow of air in the third sealing portion 7 can further prevent the air from flowing out of the second groove 51 from the second rear end 53 .

[0048] Preferably, when the edges of the first door and window 1 and the second door and window 2 correspond to each other, the gap between the first spoiler strip 3 and the second door and window 2 is less than or equal to 1 mm, so as to achieve the purpose of the first spoiler strip 3 not interfering with the movement of the second door and window 2, and / or, the gap between the second spoiler strip 5 and the first door and window 1 is less than or equal to 1 mm, so as to achieve the purpose of the second spoiler strip 5 not interfering with the movement of the first door and window 1; and / or, the gap between the first spoiler strip 3 and the second spoiler strip 5 is less than or equal to 1 mm, so as to achieve the structural purpose of the staggered arrangement between the first spoiler strip 3 and the second spoiler strip 5, and the gap is small enough to also improve the reverse flow rate of the air in the third sealing part 7, so as to further increase the flow resistance of the external air into the first and second grooves.

[0049] See Figure 2 and Figure 3 Another object of this embodiment is to disclose a door and window system, which includes a first door and window 1, a second door and window 2, an outer frame that can be embedded in a wall (not shown in the drawings), and the door and window edge sealing structure as described above; the first door and window 1 and the second door and window 2 are arranged in parallel and are both movably mounted on the outer frame;

[0050] The door and window edge sealing structure is installed between the edge of the first door and window 1 and the edge of the second door and window 2, and / or, between the edge of the first door and window 1 and the edge corresponding to the outer frame, and / or, between the edge of the second door and window 2 and the edge corresponding to the outer frame. By installing the door and window edge seal between the side faces of the frame of the first door and window 1 and the second door and window 2, the sealing performance and sealing stability of the door and window system can be improved.

[0051] In other embodiments, a card slot 8 is provided at the edges of the first door and window 1 and the second door and window 2, and the first spoiler strip 3 and the second spoiler strip 5 both have a card connection portion 9, which is embedded in the card slot 8 to achieve the purpose of assembling the spoiler strip on the door and window.

[0052] In summary, the door and window edge sealing structure disclosed in this embodiment can bring the following beneficial effects:

[0053] 1) The door and window edge sealing structure comprises a first flow-blocking strip extending toward the side of the frame of the second door and window 2 on the side of the frame of the first door and window, and a first sealing portion formed between the end of the first flow-blocking strip and the side of the frame corresponding to the second door and window. The first sealing portion is used to increase the flow resistance of air between the first door and window and the second door and window, thereby achieving the purpose of improving the sealing between the first door and window and the second door and window. In addition, the first flow-blocking strip does not interfere with the movement of the second door and window, which can prevent the sealing structure from failing and is conducive to prolonging the service life of the first flow-blocking strip.

[0054] 2) By designing a first groove with an arc-shaped wall at the end of the first spoiler strip, the air flowing into the first groove moves in the first groove in the form of a swirl flow, that is, the air flowing into the first groove will swirl, thereby achieving the purpose of reducing the speed of air flowing out of the first groove;

[0055] 3) By designing the second choke strip and the second groove at its end, the air flow resistance can be further increased, thereby reducing the air flow rate and further improving the sealing performance;

[0056] 4) The reverse flow resistance of the air in the third sealing portion can further increase the flow resistance of the air between the first door and window and the second door and window, that is, further improve the sealing performance.

[0057] The technical means disclosed in the solutions of the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A door and window edge sealing structure, applied between a first door and window (1) and a second door and window (2) adjacent thereto in a sliding door, characterized in that: include: a first flow-blocking strip (3) mounted on the side of the frame of the first door and window (1), the first flow-blocking strip (3) extending in the direction of the plane where the side of the frame of the second door and window (2) is located, and not interfering with the movement of the first door and window (1) or the second door and window (2); Wherein, when the frames of the first door and window (1) and the second door and window (2) correspond to each other, the first flow-blocking strip (3) is configured to form a first sealing portion (4) between its end and the second door and window (2), and the first sealing portion (4) is configured to increase the flow resistance of air flowing through the gap between the first flow-blocking strip (3) and the second door and window (2); A first groove (31) is formed at the end of the first flow-blocking strip (3); wherein, when the edges of the first door window (1) and the second door window (2) correspond to each other, the cavity between the first groove (31) and the second door window (2) is formed into the first sealing portion (4); The door and window edge sealing structure further comprises a second flow blocking strip (5) mounted on the second door and window (2), the second flow blocking strip (5) extending in the direction of the plane where the side surface of the frame of the first door and window (1) is located, and does not interfere with the movement of the first door and window (1) or the second door and window (2); Wherein, when the frames of the first door and window (1) and the second door and window (2) correspond to each other, the second flow-blocking strip (5) is configured to form a second sealing portion (6) between its end and the first door and window (1), and the second sealing portion (6) is configured to increase the flow resistance of air flowing through the gap between the second flow-blocking strip (5) and the first door and window (1); The second flow-blocking strip (5) is provided with a second groove (51); wherein, when the edges of the first door and window (1) and the second door and window (2) correspond to each other, the cavity between the second groove (51) and the first door and window (1) is formed into the second sealing portion (6); When the edges of the first door and window (1) and the second door and window (2) correspond to each other, a third sealing portion (7) is formed between the first blocking strip (3) and the second blocking strip (5), the third sealing portion (7) communicates with the first sealing portion (4) and the second sealing portion (6), and the third sealing portion (7) is configured to extend the flow path of air between the first door and window (1) and the second door and window (2).

2. The door and window edge sealing structure according to claim 1, characterized in that: When the edges of the first door and window (1) correspond to the edges of the second door and window (2), the first flow-blocking strip (3) and the second flow-blocking strip (5) are arranged in a staggered manner, so that the space between the first flow-blocking strip (3) and the second flow-blocking strip (5) is formed into the third sealing portion (7).

3. The door and window edge sealing structure according to claim 1 or 2, characterized in that: The first spoiler strip (3) has a first front end (32) and a first rear end (33); The first front end (32) and the first rear end (33) are both configured to be able to extend in a direction close to the second door and window (2); The wall surface between the first front end (32) and the first rear end (33) transitions in an arc to form the first groove (31).

4. The door and window edge sealing structure according to claim 1 or 2, characterized in that: The second flow-blocking strip (5) is provided with a second front end (52) and a second rear end (53) at the far end thereof. The second front end (52) and the second rear end (53) are both configured to be able to extend in a direction close to the first door and window (1); The wall surface between the second front end (52) and the second rear end (53) transitions in an arc to form the second groove (51).

5. The door and window edge sealing structure according to claim 1, characterized in that: When the edges of the first door and window (1) and the second door and window (2) correspond to each other, the gap between the first blocker strip (3) and the second door and window (2) is less than or equal to 1 mm, and / or the gap between the second blocker strip (5) and the first door and window (1) is less than or equal to 1 mm, and / or the gap between the first blocker strip (3) and the second blocker strip (5) is less than or equal to 1 mm.

6. Door and window system, characterized in that, It comprises a first door and window (1), a second door and window (2), an outer frame that can be embedded in a wall, and a door and window edge sealing structure according to any one of claims 1 to 5; The first door and window (1) and the second door and window (2) are arranged in parallel and are both movably mounted on the outer frame; The door and window edge sealing structure is installed between the edge of the first door and window (1) and the edge of the second door and window (2), and / or, the door and window edge sealing structure is installed between the edge of the first door and window (1) and the edge corresponding to the outer frame, and / or, the door and window edge sealing structure is installed between the edge of the second door and window (2) and the edge corresponding to the outer frame.

7. The door and window system according to claim 6, characterized in that: The edges of the first door and window (1) and the second door and window (2) are both provided with a card slot (8); the first flow-blocking strip (3) and the second flow-blocking strip (5) both have a card connection portion (9); and the card connection portion (9) is embedded in the card slot (8).

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