CN209687376U - Opposite opened aluminium alloy concealed screen window - Google Patents

Abstract

The utility model discloses opposite opened aluminium alloy concealed screen windows, including upper side frame, lower frame, left yarn box, right yarn box, gauze, Zola's beam and right straining beam, lower frame is equipped with the limiting section of the symmetrical setting in two groups of centers relative to screen window, limiting section includes fixing seat, shaft and block piece, the whole U-shaped structure of block piece, one end of block piece is installed in fixing seat by shaft, fixing seat is installed on the side wall of lower frame, block piece can rotate around the axis, after block piece rotation, the other end of block piece is placed in the upper edge of lower frame, the bottom of lower frame is equipped with leakage hole, it is left, it is stifled that the upper and lower ends of right yarn box are equipped with yarn box, lower yarn box is stifled, it is left, right yarn box is adopted a split structure and is made of yarn box body and yarn box cover, lower yarn box is stifled also to be adopted a split structure.For the utility model when separating left and right straining beam, avoidable two straining beams are excessively inclined when separating, and yarn box cover is convenient for disassembly and assembly, clean or repair convenient for the later period, setting leakage hole, avoidable ponding.

Description

Opposite opened aluminium alloy concealed screen window

Technical field

The utility model relates to door and window fields, are more particularly to opposite opened aluminium alloy concealed screen window.

Background technique

It in daily life, closes the doors and windows for a long time, will cause air quality decline within doors, need the ventilation that opens a window at this time, with Replace indoor air.When windowing ventilation, it might have mosquito or other lightweight objects flown within doors.In order to avoid the phenomenon, lead to Screen window is often placed in ventilation opening.

Existing screen window includes frame and the gauze in frame, after screen window is fixed on window, it is difficult to dismantle And cleaning, such gauze will accumulate many sundries, and it can through-hole is clogging, it is not easy to divulge information, to influence the inhabitation of people.It is existing Some sliding sash with disappearing screen window, including yarn box, guide rail, gauze and bottom frame, according to the size of window workshop by guide rail, bottom frame, straining beam, Yarn casing is opened, and is transported to construction site after packing respectively, and when installation needs at the scene respectively by yarn box part, guide rail, bottom frame installation On window frame, assembly and adjustment is carried out.

Sliding sash with disappearing screen window currently on the market have some disadvantages: first is that, the stifled generally integral type knot of yarn cell type material and yarn box Structure, inconvenience disassembly, screen window needs that gauze is cleaned or replaced after the use of a period of time after installation, due to by window The restriction of yarn installation site, it is inconvenient that operator exerts a force, during being installed or being dismantled, very difficultly, it is difficult to operate. If gauze blocks during drawing, yarn box can not be opened, and even more be inconvenient to repair.And since user does not have professional peace Dress is horizontal, and original design requirement cannot be reached by being installed again to screen window after cleaning or replacement, and influence product uses function Can, or even it is unable to normal use.Second is that the installation dress of present sliding sash with disappearing screen window is typically all to be directly installed on windowsill, it is installed on The sliding sash with disappearing screen window in bathroom leads to surface build-up of limescale, inconvenience cleaning due to always there is ponding；The stealthy yarn being installed between kitchen Window is easy dust stratification due to not closing throughout the year on gauze, cleaning is also inconvenient.Third is that sliding sash with disappearing screen window is using the structure drawn from top to bottom Or unilateral layback structure is in the majority, should not use both structures for the window of large area, after develop double-open type Screen window, after gauze is pulled on, then when needing to open two straining beam pullings, due to both sides pulling force unevenness, two straining beams toward a lateral deviation, When crossing inclined, the yarn box of side is easy to cause to damage；Gauze after separation can be in quick backrush to yarn box, and straining beam is easy to hit yarn Box, yarn box easily loosen.

Utility model content

To solve the above-mentioned problems, the utility model provide a kind of yarn box split-type design opposite opened it is aluminum alloy concealed Screen window, it is convenient for disassembly and assembly, convenient for washing, ponding is avoided, and be avoided that excessively inclined when two straining beam separation.

One aspect according to the present utility model provides opposite opened aluminium alloy concealed screen window comprising upper side frame, following Frame, left yarn box, right yarn box, Zola's beam and right straining beam, left yarn box and right yarn box are arranged in left and right opposed vertical, upper side frame, below Frame is respectively arranged on the window framework that the upper and lower ends between left yarn box and right yarn box constitute rectangle, is all provided in upper side frame and lower frame There is guide rail, between Zola's beam and left yarn box, is respectively connected with gauze, Zola's beam and right straining beam between right straining beam and right yarn box in left and right It is oppositely arranged and opposite side is equipped with magnetic stripe, another side of left and right straining beam is respectively connected with gauze, the other end of gauze It winds in left and right yarn box, the upper and lower ends of gauze are slided in the guide rail of upper and lower frame respectively, and lower frame is equipped with two groups of phases The limiting section of setting symmetrical for the center of screen window, the distance between two groups of limiting sections are greater than the beam overall of left and right straining beam Degree, limiting section includes fixing seat, shaft and block piece, and integrally U-shaped structure, one end of block piece are installed on fixation by shaft to block piece In seat, fixing seat is installed on the side wall of lower frame, and block piece can rotate around the axis, and after block piece rotation, the other end of block piece is placed in down The upper edge of frame, the bottom of lower frame are equipped with leakage hole, and the upper and lower ends of left and right yarn box are equipped with that yarn box is stifled, lower yarn Box is stifled, and left and right yarn box is made of yarn box body and yarn box cover, and yarn box body includes backboard, the box that extends forward along the two sides of backboard The second side plate of the first side plate of body and box body, yarn box cover include cover board, the first side plate of lid to extend back along the two sides of cover board and The section of the second side plate of lid, the second side plate of lid is arc-shaped, and the first side plate of box body is equipped with location hook, and the first side plate of lid is equipped with Clamping hooks, and when yarn box cover and yarn box body assemble, clamping hook is connected in outside location hook, and the lateral wall of location hook hooked with clamping it is interior De- hook gap is formed between side wall, is equipped with the gauze gap passed through for gauze between the second side plate of the second side plate of lid and box body.

The opposite opened aluminium alloy concealed screen window as a result, first rotates block piece when the gauze for needing for two to be closed separates, will Block piece goes to the upper edge of lower frame, and two hands of user hold straining beam, and two straining beams are separated toward two sides, and block piece can be to prevent Only two straining beams are toward same lateral deviation, after two straining beams separation, then block piece turned, gauze continuation backrush is in yarn box；Block piece It can not only prevent straining beam from drawing partially, buffer function can also be played, prevent straining beam from quickly springing back and hit yarn box；When needing to dismantle yarn When box cover, yarn box is stifled in taking-up, is lifted up yarn box cover and pushes yarn box cover to yarn box body one after yarn box is stifled under yarn box cover is detached from Side, the inner sidewall that clamping hooks resist the lateral wall of location hook, and clamping, which hooks, is detached from location hook, then pushes yarn box cover to gauze gap one Side, can remove yarn box cover, and disassembly installation is very convenient；The past bottom of lower frame is equipped with leakage hole, when in gauze or lower frame When having water, it can be directly discharged from the bottom of lower frame, not will lead to ponding.

In some embodiments, yarn box, which is equipped at three, installs positioning region, wherein installing positioning region at one is set to lid the The junction of side plate and cover board, in addition installation positioning region is respectively arranged on the junction of backboard and the first side plate of box body, carries on the back at two The junction of plate and the second side plate of box body.Yarn box is truncated by yarn cell type material according to required size come yarn box body passes through spiral shell as a result, Silk is installed on window, the bottom of yarn box body install lower yarn box it is stifled after mountable yarn box cover, this is pacified at three by the way that upper and lower yarn box is stifled Positioning region positioning is filled, installation is simple.

In some embodiments, upper yarn box blocking package includes that back box is stifled and front cabinet is stifled, and the end face of the stifled covering yarn box cover of front cabinet is simultaneously Extend back at least one de- distance for hooking gap.Upper yarn box is stifled as a result, uses split-type design, when dismantling yarn box cover, only needs It is stifled to remove front cabinet, the disassembly of yarn box cover can be carried out；Front cabinet, which blocks up the end face of covering yarn box cover and extends back at least one, to be taken off The distance for hooking gap mainly prevents when yarn box cover is dismantled, after the inner sidewall that clamping hooks resists the lateral wall of location hook, When yarn box cover above mentions, prevent back box from stopping up the upper surface of yarn box cover.

In some embodiments, the stifled upper surface location of front cabinet is higher than the upper surface location that back box blocks up, and back box is stifled to be equipped with T Type lug boss, the stifled concave part being equipped with T-type raised portion fits of front cabinet, the slot bottom of concave part are equipped with Elastic buckle, T-type lug boss Equipped with corresponding buckle receiving portion.T-type lug boss and concave part make forward and backward box block up quick assembling as a result, when disassembly, Operator pinches Elastic buckle and the stifled lateral wall of front cabinet and mentions upwards, and the stifled back box that can be detached from of front cabinet blocks up and yarn box, disassembly side Just.

In some embodiments, lower yarn box is stifled is an integral structure, the stifled interior positioning column being equipped with straight up of lower yarn box, Positioning column and the cooperation of installation positioning region are equipped with positioning plate in one section of arc in lower yarn box is stifled, and positioning plate is cut for limiting in arc The lower end surface position of arc-shaped the second side plate of lid in face.

In some embodiments, the bottom of lower frame is equipped with hook, and the bottom plate of hook is tilted toward outside in upward from inner Shape forms card slot between the bottom plate of hook and the lower surface of lower frame, card slot can connect water storage tank, and leakage hole is located at water storage tank Top.As a result, the bottom plate of hook from it is inner toward outside in upwards it is skewed, be convenient for clamping water storage tank；When gauze needs to clean, gauze It can not disassemble, directly wash；When left and right straining beam is pulled to together, gauze in opened condition, is washed gauze, water It flows in lower frame from guide rail, by leakage hole, is collected into water storage tank.

Compared with prior art, the utility model has the beneficial effects that the utility model uses opposite opened structure, pass through gear Part can prevent straining beam from drawing partially, can also play buffer function, prevent straining beam from quickly springing back and hit yarn box, and yarn box and upper yarn box are blocked up and adopted It is designed with split type structure, when the later period cleans or repairs, can easily dismantle yarn box cover, it is very convenient；When cleaning, gauze or under The water having in frame can directly be discharged in water storage tank from leakage hole, not will lead to ponding.

Detailed description of the invention

Fig. 1 is the perspective view of an embodiment of the utility model opposite opened aluminium alloy concealed screen window；

Fig. 2 is the overlooking structure diagram of Fig. 1；

Fig. 3 is the structural schematic diagram of yarn box body and yarn box cover；

Fig. 4 is the overlooking structure diagram of yarn box body and yarn box cover；

Fig. 5 is the stifled structural schematic diagram of upper yarn box；

Fig. 6 is the stifled structural schematic diagram of lower yarn box；

Fig. 7 is the structural schematic diagram of left and right straining beam；

Fig. 8 is the structural schematic diagram of fixed plug；

Fig. 9 is the structural schematic diagram of lower frame；

Figure 10 is the structural schematic diagram of water storage tank；

Figure 11 is the structural schematic diagram of limiting section.

Specific embodiment

The utility model is further described With reference to embodiment.

As illustrated in fig. 1 and 2, the opposite opened aluminium alloy concealed screen window of an embodiment described in the utility model, including including Upper side frame 1, lower frame 2, left yarn box 3a, right yarn box 3b, Zola's beam 4a and right straining beam 4b.Left yarn box 3a and right yarn box 3b is in left and right Opposed vertical setting, upper side frame 1, lower frame 2 are respectively arranged on the upper and lower ends between left yarn box 3a and right yarn box 3b and constitute rectangle Window framework.The upper and lower ends of left and right yarn box 3a, 3b are equipped with yarn box and block up 8, lower yarn box stifled 9.Upper side frame 1 and lower frame 2 It is inside equipped with guide rail 5, is respectively connected with gauze 6 between Zola's beam 4a and left yarn box 3a, between right straining beam 4b and right yarn box 3b.Zola Beam 4a and right straining beam 4b is oppositely arranged in left and right and opposite side is equipped with magnetic stripe, another side of left and right straining beam 4a, 4b It is respectively connected with gauze 6, the other end of gauze 6 is wound in left and right yarn box 3a, 3b, and the upper and lower ends of gauze 6 are respectively upper and lower Sliding in the guide rail 5 of frame 1,2.User can pull left and right straining beam 4a, 4b, left and right drawing according to the needs of life manually The upper and lower ends of beam 4a, 4b are moved along the guide rail 5 of upper and lower frame 1,2, meanwhile, left and right straining beam 4a, 4b drive gauze 6, left and right The magnetic stripe 44 of straining beam 4a, 4b are bonded, and gauze 6 is in opened condition.When not needing gauze 6, straining beam is unlocked manually, left and right drawing Beam 4a, 4b are separated, and under the recycling active force of recycling component of the straining beam in yarn box, are recycled, so that gauze 6 is incorporated into Into left and right yarn box 3a, 3b, stash.When this screen window is installed, lower frame 2, there are some distances, is convenient for apart from windowsill surface Later period is Clean-.

As shown in Fig. 1,2 and 11, lower frame 2 is equipped with the limiting section of the symmetrical setting in two groups of centers relative to screen window 7, the distance between two groups of limiting sections 7 are greater than the overall width of left and right straining beam 4a, 4b.Limiting section 7 includes fixing seat 71, shaft 72 With block piece 73, the whole U-shaped structure of block piece 73, one end of block piece 73 is installed in fixing seat 71 by shaft 72, fixing seat 71 It is installed on the side wall of lower frame 2.Block piece 73 72 can rotate around the shaft, and after block piece 73 rotates, the other end of block piece 73 is placed in below The upper edge of frame 2.

As shown in Figures 3 and 4, left and right yarn box 3a, 3b is made of yarn box body 31 and yarn box cover 32.Yarn box body 31 includes back Plate 311, the first side plate of box body 312 and the second side plate of box body 313 extended forward along the two sides of backboard 311.Yarn box cover 32 includes Cover board 321, the first side plate of lid 322 and the second side plate of lid 323 to extend back along the two sides of cover board 321, lid second side The section of plate 323 is arc-shaped.The first side plate of box body 312 is equipped with location hook 3121, and the first side plate of lid 322 is hooked equipped with clamping 3221, when yarn box cover 32 and yarn box body 31 assemble, clamping hooks 3221 and is connected in outside location hook 3121, and the outside of location hook 3121 De- hook gap 33 is formed between wall and the inner sidewall of clamping hook 3221, between the second side plate of lid 323 and the second side plate of box body 313 Equipped with the gauze gap 34 passed through for gauze 6.

As shown in figure 4, left and right yarn box 3a, 3b are equipped with installation positioning region 35 at three, set wherein installing positioning region 35 at one In the junction of the first side plate of lid 322 and cover board 321, in addition installation positioning region 35 is respectively arranged on backboard 311 and box body at two The junction of first side plate 312, backboard 311 and the second side plate of box body 313 junction.Yarn box is by yarn cell type material according to required ruler Very little truncation, yarn box body 31 are installed on window by screw, and mountable yarn box after lower yarn box stifled 9 is installed in the bottom of yarn box body 31 Lid 32 is positioned installation positioning region 35 this at three by upper and lower yarn box stifled 9, and installation is simple.

As shown in fig. 6, lower yarn box stifled 9 is an integral structure, positioning column 91 straight up is equipped in lower yarn box stifled 9, it is fixed Position column 91 and installation positioning region 35 cooperate, and are equipped with positioning plate 92 in one section of arc in lower yarn box stifled 9, positioning plate 92 is used in arc Limit the lower end surface position of arc-shaped the second side plate of lid 323 in section.

As shown in figure 5, upper yarn box stifled 8 includes back box stifled 81 and front cabinet stifled 82, the end face of the stifled 82 covering yarn box cover 32 of front cabinet And at least one de- distance for hooking gap 33 that extends back.The positioning cooperated with installation positioning region 15 also is provided in upper yarn box stifled 8 Column 91, and it is provided with positioning plate 92 in one section of arc, positioning plate 92 is located in front cabinet stifled 82 in arc, for limiting lid second The upper surface position of side plate 323.Upper yarn box stifled 8 uses split-type design, when dismantling yarn box cover 32, it is only necessary to it is stifled to remove front cabinet 82, the disassembly of yarn box cover 32 can be carried out.Between the end face of the stifled 82 covering yarn box cover 32 of front cabinet and at least one de- hook that extends back The distance of gap 33 mainly prevents when yarn box cover 32 is dismantled, and the inner sidewall that clamping hooks 3221 resists location hook 3121 After lateral wall, clamping hooks 3221 and is detached from location hook 3121, when yarn box cover 32 above mentions, prevents back box stifled 81 from blocking the upper of yarn box cover 32 End face.

As shown in figure 5, the upper surface location of front cabinet stifled 82 is higher than the upper surface location of back box stifled 81, back box stifled 81 is equipped with T Type lug boss 811, front cabinet stifled 82 are equipped with the concave part 821 cooperated with T-type lug boss 811, and the slot bottom of concave part 821 is equipped with elasticity Buckle 822, T-type lug boss 811 are equipped with corresponding buckle receiving portion 812.T-type lug boss 811 and concave part 821 make Forward and backward box blocks up 81 quick assemblings, and when disassembly, operator pinches the lateral wall of Elastic buckle 822 and front cabinet stifled 82 and mentions upwards, preceding Box stifled 82 can be detached from back box stifled 81 and yarn box, convenient disassembly.

As shown in FIG. 7 and 8, Zola's beam 4a is as the structure of right straining beam 4b, and only direction is oppositely arranged.Zola's beam 4a and Right straining beam 4b includes preceding pulling plate 41, rear pulling plate 42 and fixed plug 43, and preceding pulling plate 41 assembles and upper and lower two with rear pulling plate 42 End is fixed by fixed plug 43, and fixed plug 43 is equipped with the guide way 431 cooperated with guide rail 5.Forward and backward pulling plate 41,42 will After gauze 6 and magnetic stripe 44 assemble, it is only necessary to the both ends of forward and backward pulling plate 41,42 will be clamped using fixed plug 43, straining beam Structure is simple, install convenient, and guide way 431 may make straining beam to move along the guide rail 5 of upper and lower frame 1,2, reduces gauze 6 and blocks Probability.Outwardly projecting hand-held part 411, the length of the length of hand-held part 411 and preceding pulling plate 41 are equipped in the side wall of preceding pulling plate 41 Degree is consistent.The hand-held part 411 is vertically arranged and grows, the user of different heights, when stretching out one's hand left grasping, straining beam 4a, 4b, all very Conveniently, very convenient when force.

As shown in Figures 9 and 10, the bottom of lower frame 2 is equipped with leakage hole 21, and the bottom surface of lower frame 2 is connected with hook 22, the bottom plate of hook 22 from it is inner toward outside be in upward skewed, shape between the bottom plate of hook 22 and the bottom lower surface of lower frame 2 At card slot 23, card slot 23 can connect water storage tank 24, and leakage hole 21 is located at the top of water storage tank 24.The bottom plate of hook 22 by it is inner outward Side in upwards it is skewed, be convenient for clamping water storage tank 24；When gauze 6 needs to clean, gauze 6 can not be disassembled, and directly be washed； The magnetic stripe 44 of left and right straining beam 4a, 4b fit to together, and gauze 6 in opened condition, is washed gauze 6, and water is flowed from guide rail 5 Into lower frame 2, by leakage hole 21, it is collected into water storage tank 24.

The utility model uses opposite opened structure, when the gauze 6 for needing for two to be closed separates, first rotates block piece 73, will Block piece 73 goes to the upper edge of lower frame 2, and two hands of user hold left and right straining beam 4a, 4b, and two straining beams are divided toward two sides It opens, block piece 73 can prevent two straining beams toward same lateral deviation, after two straining beams separation, then 73 turns of block piece be got off, gauze 6 continues Backrush is in yarn box.Block piece 73 can not only prevent straining beam from drawing partially, can also play buffer function, prevent straining beam from quickly springing back and hit Hit yarn box.Yarn box and upper yarn box stifled 8 adopt a split structure design, later period cleaning or maintenance, when needing to dismantle yarn box cover 32, take Upper yarn box stifled 8 out is lifted up yarn box cover 32 and pushes yarn box cover 32 to yarn box body 31 1 after yarn box cover 32 is detached from lower yarn box stifled 9 Side, the inner sidewall that clamping hooks 3221 resist the lateral wall of location hook 3121, and clamping hooks 3221 and is detached from location hooks 3121, then by yarn box Lid 32 pushes this side in gauze gap 34 to, can remove yarn box cover 32, and disassembly installation is very convenient.The past bottom of lower frame 2 Equipped with leakage hole 21, when having water in gauze 6 or lower frame 2, it can be directly discharged from the bottom of lower frame 2, not will lead to product Water.

Above-described is only some embodiments of the utility model, it is noted that for the ordinary skill of this field For personnel, under the premise of not departing from the concept of the utility model, other modification and improvement can also be made, these are all Belong to the protection scope of the utility model.

Claims (6)

1. opposite opened aluminium alloy concealed screen window, including upper side frame (1), lower frame (2), left yarn box (3a), right yarn box (3b), Zola Beam (4a) and right straining beam (4b), the left yarn box (3a) and right yarn box (3b) are arranged in left and right opposed vertical, the upper side frame (1), lower frame (2) is respectively arranged on the window framework that the upper and lower ends between left yarn box (3a) and right yarn box (3b) constitute rectangle, It is equipped with guide rail (5) in the upper side frame (1) and lower frame (2), between Zola's beam (4a) and left yarn box (3a), right straining beam (4b) It is respectively connected with gauze (6) between right yarn box (3b), Zola's beam (4a) and right straining beam (4b) are oppositely arranged in left and right and phase Pair side be equipped with magnetic stripe (44), another side of the left and right straining beam (4a, 4b) is all connected with gauze (6), the gauze (6) other end winding is in left and right yarn box (3a, 3b), and the upper and lower ends of the gauze (6) are respectively in upper and lower frame (1,2) Guide rail (5) in sliding, which is characterized in that

The lower frame (2) is equipped with the limiting section (7) of the symmetrical setting in two groups of centers relative to screen window, limits described in two groups The distance between position portion (7) is greater than the overall width of left and right straining beam (4a, 4b), and the limiting section (7) includes fixing seat (71), turns Axis (72) and block piece (73), the whole U-shaped structure of the block piece (73), one end of the block piece (73) is installed by shaft (72) In fixing seat (71), the fixing seat (71) is installed on the side wall of lower frame (2), and the block piece (73) (72) can turn around the shaft Dynamic, after block piece (73) rotation, the other end of block piece (73) is placed in the upper edge of lower frame (2)；

The bottom of the lower frame (2) is equipped with leakage hole (21)；

The upper and lower ends of the left and right yarn box (3a, 3b) are equipped with yarn box stifled (8), lower yarn box blocks up (9), the left and right yarn box (3a, 3b) is made of yarn box body (31) and yarn box cover (32), and the yarn box body (31) includes backboard (311), along backboard (311) Two sides the first side plate of box body (312) and the second side plate of box body (313) that extend forward, the yarn box cover (32) includes cover board (321), the first side plate of lid (322) and the second side plate of lid (323) to extend back along the two sides of cover board (321), the lid The section of the second side plate of body (323) is arc-shaped, and first side plate of box body (312) is equipped with location hook (3121), the lid the Side plate (322) is equipped with clamping and hooks (3221), and when the yarn box cover (32) and yarn box body (31) are assembled, clamping hooks (3221) clamping Outside in location hook (3121), and the lateral wall of location hook (3121) and clamping hook and form de- hook gap between the inner sidewall of (3221) (33), the gauze gap passed through for gauze is equipped between second side plate of lid (323) and the second side plate of box body (313) (34)。

2. opposite opened aluminium alloy concealed screen window according to claim 1, which is characterized in that the left and right yarn box (3a, 3b) It is equipped with installation positioning region (35) at three, wherein installing positioning region (35) at one is set to the first side plate of lid (322) and cover board (321) junction, in addition installation positioning region (35) is respectively arranged on the companies of backboard (311) Yu the first side plate of box body (312) at two Connect the junction at place, backboard (311) and the second side plate of box body (313).

3. opposite opened aluminium alloy concealed screen window according to claim 2, which is characterized in that the upper yarn box blocks up (8) and includes Back box blocks up (81) and front cabinet blocks up (82), and the front cabinet, which blocks up the end face of (82) covering yarn box cover (32) and extends back at least one, to be taken off Hook the distance in gap.

4. opposite opened aluminium alloy concealed screen window according to claim 3, which is characterized in that the front cabinet blocks up the upper table of (82) Face position is higher than the upper surface location that back box blocks up (81), and the back box blocks up (81) and is equipped with T-type lug boss (811), and the front cabinet is stifled (82) it is equipped with the concave part (821) cooperated with T-type lug boss (811), the slot bottom of the concave part (821) is equipped with Elastic buckle (822), the T-type lug boss (811) is equipped with corresponding buckle receiving portion (812).

5. opposite opened aluminium alloy concealed screen window according to claim 2 or 4, which is characterized in that the lower yarn box blocks up (9) and is Integral structure, the lower yarn box block up in (9) positioning column (91) being equipped with straight up, and the positioning column (91) and installation position Portion (35) cooperation, the lower yarn box, which blocks up, is equipped with positioning plate (92) in one section of arc in (9), positioning plate (92) is used in the arc Limit the endface position of arc-shaped the second side plate of lid (323) in section.

6. opposite opened aluminium alloy concealed screen window according to claim 1, which is characterized in that the bottom of the lower frame (2) Equipped with hook (22), the bottom plate of the hook (22) from it is inner toward outside in skewed upwards, the bottom plate of the hook (22) is under Card slot (23) are formed between the lower surface of frame (2), the card slot (23) can connect water storage tank (24), leakage hole (21) position In the top of water storage tank (24).