Up-down vertical sliding window

Abstract

The utility model discloses a vertical sliding window which comprises a window frame, a first window sash and a second window sash, the first window sash comprises a first window sash upper frame, a first window sash lower frame, a first window sash side frame and first window sash glass, and the second window sash comprises a second window sash upper frame, a second window sash lower frame, a second window sash side frame and second window sash glass. The first window sash glass and the second window sash glass each comprise three sets of glass plates, and the glass plates are connected into a whole by filling structural adhesives on the peripheries. The vertical sliding window has the advantages of being good in heat insulation and heat preservation performance, good in lighting effect and high in use comfort.

Description

Technical Field

[0001] The utility model relates to the technical field of doors and windows, in particular to an up-and-down lifting window. Background Art

[0002] The up-and-down lifting window is different from the traditional inwards-opening, outwards-opening and ordinary sliding modes, but adopts an up-and-down lifting opening mode. Because it is mainly popular in North America, it is also called an American lifting window. The lifting window has superior dust-proofing and noise-reducing performance and excellent wind pressure resistance performance; there is no collision with the human body in the opening state; the frame and the sash are wrapped, and there is no hidden danger of the sash falling outside, and the safety factor is extremely good. However, the existing up-and-down lifting windows generally use single-layer glass, and the heat conduction coefficient of the glass is relatively large, which cannot effectively block the transfer of heat, resulting in poor heat insulation and heat preservation performance of the whole window, large indoor heat loss, and there are certain limitations. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies existing in the prior art and provide an up-and-down lifting window with good heat insulation and heat preservation performance, good lighting effect and high use comfort.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme:

[0005] An up-and-down lifting window, comprising a window frame, a first sash and a second sash. The first sash includes a first upper sash frame, a first lower sash frame, a first side sash frame and a first sash glass. The second sash includes a second upper sash frame, a second lower sash frame, a second side sash frame and a second sash glass. The first sash glass and the second sash glass both include three groups of glass plates, and the glass plates are connected into a whole by filling structural adhesive around.

[0006] As a further improvement of the above technical scheme:

[0007] The first upper sash frame includes a first sash frame profile and a second sash frame profile, and a first heat insulation strip is arranged between the first sash frame profile and the second sash frame profile; the first lower sash frame includes a third sash frame profile and a fourth sash frame profile, and a second heat insulation strip is arranged between the third sash frame profile and the fourth sash frame profile; the first side sash frame includes a fifth sash frame profile and a sixth sash frame profile, and a third heat insulation strip is arranged between the fifth sash frame profile and the sixth sash frame profile.

[0008] The second upper sash frame includes a seventh sash frame profile, the second lower sash frame includes an eighth sash frame profile and a ninth sash frame profile, and a fourth heat insulation strip is arranged between the eighth sash frame profile and the ninth sash frame profile; the second side sash frame includes a tenth sash frame profile and an eleventh sash frame profile, and a fifth heat insulation strip is arranged between the tenth sash frame profile and the eleventh sash frame profile.

[0009] On one side of the fourth sash frame profile near the seventh sash frame profile, a first hook portion is formed. On one side of the seventh sash frame profile near the fourth sash frame profile, a second hook portion is formed. A first brush strip for abutting against the second hook portion is arranged on the fourth sash frame profile, and a second brush strip for abutting against the first hook portion is arranged on the seventh sash frame profile.

[0010] A handle portion is formed on one side of the seventh sash frame profile away from the fourth sash frame profile.

[0011] The window frame includes an upper window frame, a lower window frame, and side window frames. The upper window frame includes a first frame profile and a second frame profile, and a sixth heat insulation strip is arranged between the first frame profile and the second frame profile. The lower window frame includes a third frame profile and a fourth frame profile, and a seventh heat insulation strip is arranged between the third frame profile and the fourth frame profile. The side window frames include a fifth frame profile, a sixth frame profile, and a seventh frame profile. An eighth heat insulation strip is arranged between the fifth frame profile and the sixth frame profile, and a ninth heat insulation strip is arranged between the sixth frame profile and the seventh frame profile.

[0012] A first mounting wing plate is formed at the top of the first frame profile, a second mounting wing plate is formed at the bottom of the third frame profile, and a third mounting wing plate is formed at the side of the fifth frame profile. A plurality of sets of fasteners pass through the first mounting wing plate, the second mounting wing plate, and the third mounting wing plate and are connected to the wall body so as to mount the window frame on the wall body.

[0013] A first enclosing portion is formed at the bottom of the first frame profile, a second enclosing portion is formed at the bottom of the second frame profile, and third brush strips for abutting against the upper frame of the first window sash are respectively arranged on the relative inner sides of the first enclosing portion and the second enclosing portion. A third enclosing portion is formed at the top of the third frame profile, a fourth enclosing portion is formed at the top of the fourth frame profile, and fourth brush strips for abutting against the lower frame of the second window sash are respectively arranged on the relative inner sides of the third enclosing portion and the fourth enclosing portion.

[0014] A connecting portion is formed on the second sash frame profile, a lock is rotatably arranged on the connecting portion, and an elastic resetting member is arranged between the lock and the connecting portion.

[0015] A first lifting device is provided between the first window sash side frame and the window frame, and a second lifting device is provided between the second window sash side frame and the window frame; at both ends of the upper frame of the first window sash, first elastic telescopic clamping devices are respectively provided, and the first elastic telescopic clamping devices can be clamped or unclamped from the window frame through telescopic actions. At both ends of the upper frame of the second window sash, second elastic telescopic clamping devices are respectively provided, and the second elastic telescopic clamping devices can be clamped or unclamped from the window frame through telescopic actions.

[0016] Compared with the prior art, the advantages of the present utility model are as follows:

[0017] The up-and-down lifting window of the present utility model includes a window frame, a first window sash, and a second window sash. Among them, the first window sash glass and the second window sash glass have the same structure, and both adopt a structural form in which three groups of glass plates are connected into one body. An insulating and sealing chamber is formed at intervals between adjacent two groups of glass plates. Then, two insulating and sealing chamber structures are formed on the first window sash glass and the second window sash glass, which can block the air convection between the indoor-side glass plate and the outdoor-side glass plate, effectively reduce the heat transfer efficiency between the indoor and the outdoor, have good heat insulation and heat preservation performance, and moreover, adjacent two groups of glass plates are connected by filling structural adhesive along the outer periphery, without using corner codes for connection, can achieve a narrow-edge appearance design, and has the advantages of simplicity and beauty, large visual field ratio, good lighting effect, and high use comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the up-and-down lifting window.

[0019] Figure 2 is Figure 1 a schematic vertical sectional structure diagram in the A-A direction in

[0020] Figure 3 is a schematic horizontal sectional structure diagram of the up-and-down lifting window.

[0021] Figure 4 is a schematic structural diagram of the upper frame of the first window sash and the first window sash glass.

[0022] Figure 5 is a schematic structural diagram of the upper frame of the window frame.

[0023] Figure 6 is a schematic structural diagram of the lower frame of the first window sash and the upper frame of the second window sash.

[0024] Figure 7 is a schematic structural diagram of the lower frame of the second window sash.

[0025] Figure 8 is a schematic structural diagram of the lower frame of the window frame.

[0026] Figure 9It is a structural schematic diagram of the side frame of the window frame, the side frame of the first window sash, and the side frame of the second window sash.

[0027] Figure 10 It is an assembly schematic diagram of the lifting device and the elastic telescopic clamping device with the window frame.

[0028] Legend Explanation:

[0029] 100, window frame; 101, upper frame of the window frame; 102, lower frame of the window frame; 103, side frame of the window frame; 200, first window sash; 201, upper frame of the first window sash; 202, lower frame of the first window sash; 203, side frame of the first window sash; 204, glass of the first window sash; 300, second window sash; 301, upper frame of the second window sash; 302, lower frame of the second window sash; 303, side frame of the second window sash; 304, glass of the second window sash; 400, first lifting device; 500, second lifting device; 600, first elastic telescopic clamping device; 700, second elastic telescopic clamping device; 800, lower baffle profile; 900, middle baffle profile;

[0030] 1, glass plate; 2, structural adhesive; 3, first sash profile; 4, second sash profile; 401, connecting part; 402, lock; 403, elastic reset part; 5, first heat insulation strip; 6, third sash profile; 7, fourth sash profile; 701, first hook part; 702, first brush strip; 8, second heat insulation strip; 9, fifth sash profile; 10, sixth sash profile; 11, third heat insulation strip; 12, seventh sash profile; 1201, second hook part; 1202, second brush strip; 1203, handle part; 13, eighth sash profile; 14, ninth sash profile; 15, fourth heat insulation strip; 16, tenth sash profile; 17, eleventh sash profile; 18, fifth heat insulation strip; 19, first frame profile; 1901, first installation wing plate; 1902, first enclosing part; 20, second frame profile; 2001, second enclosing part; 21, sixth heat insulation strip; 22, third frame profile; 2201, second installation wing plate; 2202, third enclosing part; 23, fourth frame profile; 2301, fourth enclosing part; 24, seventh heat insulation strip; 25, fifth frame profile; 2501, third installation wing plate; 26, sixth frame profile; 27, seventh frame profile; 28, eighth heat insulation strip; 29, ninth heat insulation strip; 30, third brush strip; 31, fourth brush strip. Detailed Implementation Manner

[0031] The following further elaborates on the present utility model in detail in conjunction with the accompanying drawings and specific embodiments.

[0032] As Figures 1 to 9As shown in the figure, the up-and-down pull window of this embodiment includes a window frame 100, a first window sash 200, and a second window sash 300. The first window sash 200 includes a first upper window sash frame 201, a first lower window sash frame 202, a first side window sash frame 203, and a first window sash glass 204. The second window sash 300 includes a second upper window sash frame 301, a second lower window sash frame 302, a second side window sash frame 303, and a second window sash glass 304. Both the first window sash glass 204 and the second window sash glass 304 include three groups of glass plates 1, and the glass plates 1 are connected into one body through an outer peripheral filled structural adhesive 2. This up-and-down pull window includes a window frame 100, a first window sash 200, and a second window sash 300. Among them, the first window sash glass 204 and the second window sash glass 304 have the same structure, and both adopt a structural form in which three groups of glass plates 1 are connected into one body. An insulating and sealing chamber is formed by the interval between adjacent two groups of glass plates 1. Then, two insulating and sealing chamber structures are formed on the first window sash glass 204 and the second window sash glass 304, which can block the air convection between the indoor-side glass plate 1 and the outdoor-side glass plate 1, effectively reduce the heat transfer efficiency between the indoors and the outdoors, have good heat insulation and heat preservation performance, and moreover, adjacent two groups of glass plates 1 are connected by filling the structural adhesive 2 along the outer periphery, without using corner codes for connection, can achieve a narrow-edge appearance design, and has the advantages of simplicity, beauty, large field of view ratio, good lighting effect, and high use comfort.

[0033] Preferably, the first upper window sash frame 201 includes a first sash frame profile 3 and a second sash frame profile 4, and a first heat insulation strip 5 is arranged between the first sash frame profile 3 and the second sash frame profile 4; the first lower window sash frame 202 includes a third sash frame profile 6 and a fourth sash frame profile 7, and a second heat insulation strip 8 is arranged between the third sash frame profile 6 and the fourth sash frame profile 7; the first side window sash frame 203 includes a fifth sash frame profile 9 and a sixth sash frame profile 10, and a third heat insulation strip 11 is arranged between the fifth sash frame profile 9 and the sixth sash frame profile 10. In this embodiment, the first upper window sash frame 201, the first lower window sash frame 202, and the first side window sash frame 203 of the first window sash 200 all adopt a structure of broken bridge heat insulation, which can block the heat conduction performance inside the metal, making the overall heat insulation effect of the first window sash 200 good.

[0034] Preferably, the second upper window sash frame 301 includes a seventh sash frame profile 12, the second lower window sash frame 302 includes an eighth sash frame profile 13 and a ninth sash frame profile 14, and a fourth heat insulation strip 15 is arranged between the eighth sash frame profile 13 and the ninth sash frame profile 14; the second side window sash frame 303 includes a tenth sash frame profile 16 and an eleventh sash frame profile 17, and a fifth heat insulation strip 18 is arranged between the tenth sash frame profile 16 and the eleventh sash frame profile 17. In this embodiment, similarly, the second upper window sash frame 301, the second lower window sash frame 302, and the second side window sash frame 303 of the second window sash 300 also adopt a structure of broken bridge heat insulation, which can block the heat conduction performance inside the metal, making the overall heat insulation effect of the second window sash 300 good.

[0035] As shown Figure 6 in the figure, preferably, a first hooking portion 701 is formed on one side of the fourth sash frame profile 7 close to the seventh sash frame profile 12, and a second hooking portion 1201 is formed on one side of the seventh sash frame profile 12 close to the fourth sash frame profile 7. A first brush strip 702 for abutting against the second hooking portion 1201 is arranged on the fourth sash frame profile 7, and a second brush strip 1202 for abutting against the first hooking portion 701 is arranged on the seventh sash frame profile 12. In this embodiment, when the up-and-down lifting window is in the closed state, the first hooking portion 701 of the fourth sash frame profile 7 is inserted into the gap of the second hooking portion 1201, and the second hooking portion 1201 of the seventh sash frame profile 12 is inserted into the gap of the first hooking portion 701, and the two are hooked to each other. Moreover, the first brush strip 702 on the fourth sash frame profile 7 abuts against the second hooking portion 1201, and the second brush strip 1202 on the seventh sash frame profile 12 abuts against the first hooking portion 701, which can effectively improve the sealing performance between the first window sash 200 and the second window sash 300, solve the problem of too large a gap between the first window sash 200 and the second window sash 300, and has good airtight, watertight and wind pressure resistance performance.

[0036] Preferably, a handle portion 1203 is formed on one side of the seventh sash frame profile 12 away from the fourth sash frame profile 7. In this embodiment, the handle portion 1203 is a single-layer plate-like structure, so that the seventh sash frame profile 12 constitutes a panoramic middle column design. When the up-and-down lifting window is in the closed state, the shielding area in the middle position of the window opening is small, the glass occupies a large proportion, and it has the advantages of ultra-wide view, good lighting and high transmittance, which can make people feel comfortable and has good use comfort.

[0037] Preferably, the window frame 100 includes an upper window frame 101, a lower window frame 102 and side window frames 103. The upper window frame 101 includes a first frame profile 19 and a second frame profile 20, and a sixth heat insulation strip 21 is arranged between the first frame profile 19 and the second frame profile 20; the lower window frame 102 includes a third frame profile 22 and a fourth frame profile 23, and a seventh heat insulation strip 24 is arranged between the third frame profile 22 and the fourth frame profile 23; the side window frames 103 include a fifth frame profile 25, a sixth frame profile 26 and a seventh frame profile 27, and an eighth heat insulation strip 28 is arranged between the fifth frame profile 25 and the sixth frame profile 26, and a ninth heat insulation strip 29 is arranged between the sixth frame profile 26 and the seventh frame profile 27. In this embodiment, similarly, the upper window frame 101, the lower window frame 102 and the side window frames 103 of the window frame 100 also adopt a broken bridge heat insulation structural form, which can cut off the heat conduction performance inside the metal, so that the overall heat insulation effect of the window frame 100 is good.

[0038] Preferably, a first mounting wing plate 1901 is formed at the top of the first frame profile 19, a second mounting wing plate 2201 is formed at the bottom of the third frame profile 22, and a third mounting wing plate 2501 is formed at the side of the fifth frame profile 25. A plurality of groups of fasteners pass through the first mounting wing plate 1901, the second mounting wing plate 2201 and the third mounting wing plate 2501 and are connected to the wall, so that the window frame 100 is installed on the wall, which has the advantages of simple structure, convenient and fast disassembly and assembly.

[0039] As Figure 5 and Figure 8 shown, preferably, a first enclosing portion 1902 is formed at the bottom of the first frame profile 19, a second enclosing portion 2001 is formed at the bottom of the second frame profile 20, and third brush strips 30 for abutting against the upper frame 201 of the first window sash are respectively arranged on the opposite inner sides of the first enclosing portion 1902 and the second enclosing portion 2001; a third enclosing portion 2202 is formed at the top of the third frame profile 22, a fourth enclosing portion 2301 is formed at the top of the fourth frame profile 23, and fourth brush strips 31 for abutting against the lower frame 302 of the second window sash are respectively arranged on the opposite inner sides of the third enclosing portion 2202 and the fourth enclosing portion 2301. In this embodiment, a first groove adapted to the upper frame 201 of the first window sash is formed by enclosing between the first enclosing portion 1902 and the second enclosing portion 2001, and third brush strips 30 abutting against both sides of the upper frame 201 of the first window sash are arranged in the first groove. A second groove adapted to the lower frame 302 of the second window sash is formed by enclosing between the third enclosing portion 2202 and the fourth enclosing portion 2301, and fourth brush strips 31 abutting against both sides of the lower frame 302 of the second window sash are arranged in the second groove, which can effectively improve the sealing performance between the first window sash 200 and the window frame 100, and between the second window sash 300 and the window frame 100, solve the problem of excessive gaps between the first window sash 200, the second window sash 300 and the window frame 100, and have good airtight, watertight and wind pressure resistance performances.

[0040] Preferably, a connecting portion 401 is formed on the second sash frame profile 4, and a lock catch 402 is rotatably provided on the connecting portion 401, and an elastic reset member 403 is provided between the lock catch 402 and the connecting portion 401. In this embodiment, the connecting portion 401 is a single-layer plate-like structure, so that the upper frame 201 of the first sash forms a hidden outer frame panoramic design, with a small shielding area at the upper part of the window opening, having the advantages of good lighting, simplicity and beauty, and can effectively improve the use comfort; the lock catch 402 is rotatably provided on the connecting portion 401, and a bayonet for snap-fitting with the lock catch 402 is formed on the second enclosing portion 2001. The elastic reset member 403 can provide a supporting force for the lock catch 402, so that the first sash 200 is kept in a locked state with the upper frame 101 of the window frame. When the user presses the lock catch 402 and compresses the elastic reset member 403, the lock catch 402 can be disengaged from the bayonet, so that the first sash 200 can move up and down within the window frame 100.

[0041] Such as Figure 9 And Figure 10As shown, preferably, a first lifter 400 is provided between the first window sash side frame 203 and the window frame 100, and a second lifter 500 is provided between the second window sash side frame 303 and the window frame 100; at both ends of the first window sash upper frame 201, first elastic telescopic connectors 600 are respectively provided, and the first elastic telescopic connectors 600 can be clamped or unclamped with the window frame 100 through telescopic actions. At both ends of the second window sash upper frame 301, second elastic telescopic connectors 700 are respectively provided, and the second elastic telescopic connectors 700 can be clamped or unclamped with the window frame 100 through telescopic actions. In this embodiment, a first lifter 400 is provided between the first window sash side frame 203 and the window frame 100, and a second lifter 500 is provided between the second window sash side frame 303 and the window frame 100. When the first window sash 200 and the second window sash 300 slide along the window frame 100, they can support the first window sash 200 and the second window sash 300, enabling them to hover at any position, and can quickly and accurately adjust the opening area of the window. The first lifter 400 and the second lifter 500 are common accessories for up-and-down lifting windows, and their specific structures and working principles belong to the prior art and will not be elaborated here; a first elastic telescopic connector 600 is provided between the first window sash upper frame 201 and the window frame 100, and a second elastic telescopic connector 700 is provided between the second window sash upper frame 301 and the window frame 100. Both the first elastic telescopic connector 600 and the second elastic telescopic connector 700 are provided with elastic telescopic ends. When the elastic telescopic ends extend into the window frame side frame 103 of the window frame 100, it can prevent the first window sash 200 and the second window sash 300 from slipping out of the window frame 100. When the elastic telescopic ends retract from the window frame side frame 103 of the window frame 100, the first window sash 200 and the second window sash 300 can be disassembled from the window frame 100. The first elastic telescopic connector 600 and the second elastic telescopic connector 700 are common accessories for up-and-down lifting windows, and their specific structures and working principles belong to the prior art and will not be elaborated here.

[0042] As Figure 2 shown, preferably, in this embodiment, a lower baffle profile 800 and a middle baffle profile 900 are provided on the side of the window frame 100 close to the outdoor, which can prevent the first window sash 200 from tilting and slipping out towards the outdoor side, effectively improving safety. Moreover, a fifth brush strip is provided on the lower baffle profile 800, and a sixth brush strip is provided on the middle baffle profile 900. When the first window sash 200 is in the upper position, the first window sash upper frame 201 abuts against the third brush strip 30, and the first window sash lower frame 202 abuts against the sixth brush strip. When the first window sash 200 is in the lower position, the first window sash upper frame 201 abuts against the sixth brush strip, and the first window sash lower frame 202 abuts against the fifth brush strip.

[0043] The above are only the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. For those skilled in the art of this technology, the improvements and transformations obtained without departing from the technical concept of the present utility model should also be regarded as the protection scope of the present utility model.

Claims

1. A vertically lifting window, comprising a window frame (100), a first window sash (200) and a second window sash (300), characterized in that, The first window sash (200) includes a first upper window frame (201), a first lower window frame (202), a first side window frame (203), and a first window glass (204). The second window sash (300) includes a second upper window frame (301), a second lower window frame (302), a second side window frame (303), and a second window glass (304). Both the first window glass (204) and the second window glass (304) include three groups of glass plates (1), and the glass plates (1) are connected into one body through an outer peripheral filled structural adhesive (2).

2. The up-and-down lifting window according to claim 1, wherein The first upper window frame (201) includes a first window frame profile (3) and a second window frame profile (4), and a first heat insulation strip (5) is provided between the first window frame profile (3) and the second window frame profile (4); The first lower window frame (202) includes a third window frame profile (6) and a fourth window frame profile (7), and a second heat insulation strip (8) is provided between the third window frame profile (6) and the fourth window frame profile (7); The first side window frame (203) includes a fifth window frame profile (9) and a sixth window frame profile (10), and a third heat insulation strip (11) is provided between the fifth window frame profile (9) and the sixth window frame profile (10).

3. The up-and-down lifting window according to claim 2, wherein The second upper window frame (301) includes a seventh window frame profile (12), the second lower window frame (302) includes an eighth window frame profile (13) and a ninth window frame profile (14), and a fourth heat insulation strip (15) is provided between the eighth window frame profile (13) and the ninth window frame profile (14); The second side window frame (303) includes a tenth window frame profile (16) and an eleventh window frame profile (17), and a fifth heat insulation strip (18) is provided between the tenth window frame profile (16) and the eleventh window frame profile (17).

4. The up-and-down pull window according to claim 3, wherein On one side of the fourth window frame profile (7) close to the seventh window frame profile (12), a first hook portion (701) is formed. On one side of the seventh window frame profile (12) close to the fourth window frame profile (7), a second hook portion (1201) is formed. A first brush strip (702) for abutting against the second hook portion (1201) is provided on the fourth window frame profile (7), and a second brush strip (1202) for abutting against the first hook portion (701) is provided on the seventh window frame profile (12).

5. The up-down pullable window according to claim 4, wherein On one side of the seventh window frame profile (12) away from the fourth window frame profile (7), a handle portion (1203) is formed.

6. The up-and-down lifting window according to claim 5, wherein The window frame (100) includes an upper window frame (101), a lower window frame (102), and a side window frame (103). The upper window frame (101) of the window frame includes a first frame profile (19) and a second frame profile (20), and a sixth heat insulation strip (21) is provided between the first frame profile (19) and the second frame profile (20); The lower frame of the window frame (102) includes a third frame profile (22) and a fourth frame profile (23), and a seventh heat insulation strip (24) is provided between the third frame profile (22) and the fourth frame profile (23); The side frame of the window frame (103) includes a fifth frame profile (25), a sixth frame profile (26) and a seventh frame profile (27), an eighth heat insulation strip (28) is provided between the fifth frame profile (25) and the sixth frame profile (26), and a ninth heat insulation strip (29) is provided between the sixth frame profile (26) and the seventh frame profile (27).

7. The up-and-down pull window according to claim 6, characterized in that, A first mounting wing plate (1901) is formed at the top of the first frame profile (19), a second mounting wing plate (2201) is formed at the bottom of the third frame profile (22), and a third mounting wing plate (2501) is formed at the side of the fifth frame profile (25). A plurality of groups of fasteners pass through the first mounting wing plate (1901), the second mounting wing plate (2201) and the third mounting wing plate (2501) and are connected to the wall body, so that the window frame (100) is installed on the wall body.

8. The up-down lifting window according to claim 7, wherein, A first enclosing portion (1902) is formed at the bottom of the first frame profile (19), a second enclosing portion (2001) is formed at the bottom of the second frame profile (20), and third brush strips (30) for abutting against the upper frame of the first window sash (201) are respectively provided on the opposite inner sides of the first enclosing portion (1902) and the second enclosing portion (2001); A third enclosing portion (2202) is formed at the top of the third frame profile (22), a fourth enclosing portion (2301) is formed at the top of the fourth frame profile (23), and fourth brush strips (31) for abutting against the lower frame of the second window sash (302) are respectively provided on the opposite inner sides of the third enclosing portion (2202) and the fourth enclosing portion (2301).

9. The up-and-down pull window according to claim 8, wherein A connecting portion (401) is formed on the second sash frame profile (4), a lock (402) is rotatably provided on the connecting portion (401), and an elastic reset member (403) is provided between the lock (402) and the connecting portion (401).

10. The up-and-down lifting window according to any one of claims 1 to 9, characterized in that, A first lifter (400) is provided between the first window sash side frame (203) and the window frame (100), and a second lifter (500) is provided between the second window sash side frame (303) and the window frame (100); First elastic telescopic connectors (600) are respectively provided at both ends of the upper frame of the first window sash (201), and the first elastic telescopic connectors (600) can be clamped or unclamped with the window frame (100) through telescopic actions. Second elastic telescopic connectors (700) are respectively provided at both ends of the upper frame of the second window sash (301), and the second elastic telescopic connectors (700) can be clamped or unclamped with the window frame (100) through telescopic actions.

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