An installation structure of an external hanging passive window for reconstruction of an existing building

Abstract

The application relates to the technical field of old building reconstruction, in particular to a hanging passive window mounting structure for existing building reconstruction, which comprises a window frame and a clamping assembly. The clamping assembly is mounted on the window frame and comprises a sliding plate, a fixed claw and a rotating claw. The sliding plate is fixedly connected to the window frame. The fixed claw is internally provided with a fixed sliding groove. The sliding plate is inserted into the fixed sliding groove, and the length of the sliding plate is smaller than that of the fixed sliding groove. The rotating claw is rotatably connected to the fixed claw. The rotating claw is provided with a rotating sliding groove. When the rotating claw rotates to the same plane as the fixed claw, the fixed sliding groove and the rotating sliding groove are communicated, so that the sliding plate slides into the rotating sliding groove. The window frame is fixed through the limiting of the fixed claw and the rotating claw, so that drilling holes in the old building wall is avoided, and the window frame is installed without damaging the old building wall. The application has the effect of facilitating the installation of the passive window on the old building.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of old building reconstruction, and in particular to a hanging passive window installation structure for existing building reconstruction. BACKGROUND

[0002] Passive windows are windows that use natural principles of sunlight, wind power, temperature and humidity to achieve heating and cooling effects. Compared with ordinary windows, passive windows can reduce heat loss by at least 50% and do not consume conventional energy. Therefore, passive windows are increasingly widely used.

[0003] Currently, as the quality of life improves, old buildings often have many problems such as poor energy-saving and heat-insulating effects. The facilities in old buildings can no longer meet people's daily needs. Therefore, passive windows are often added to achieve heating and cooling effects.

[0004] When installing passive windows, installation holes are usually made around the building, and then the window frame is installed through installation screws. However, in the process of installing passive windows in old buildings, the original wall structure is often weak, and drilling holes can easily damage the structure of the wall. The material of passive windows is usually broken bridge aluminum, plastic steel, aluminum-wood composite, etc. The overall weight of a set of double-layer hollow glass passive window is usually more than 120 kg. Therefore, the weak wall structure is difficult to withstand the weight of the passive window.

[0005] According to the related technology described above, because the structure of old buildings is weak, passive windows cannot be installed by drilling holes in the wall according to the general construction method. SUMMARY

[0006] In order to facilitate the installation of passive windows on old buildings, the present application provides a hanging passive window installation structure for existing building reconstruction.

[0007] The hanging passive window installation structure for existing building reconstruction provided by the present application adopts the following technical solution:

[0008] The hanging passive window installation structure for existing building reconstruction comprises a window frame, a clamping assembly is installed on the window frame, the clamping assembly comprises a sliding plate, a fixed claw and a rotating claw, the sliding plate is fixedly connected to the window frame, the fixed claw is provided with a fixed sliding groove, the sliding plate is inserted into the fixed sliding groove, and the length of the sliding plate is less than the length of the fixed sliding groove, the rotating claw is rotatably connected to the fixed claw, the rotating claw is provided with a rotating sliding groove, when the rotating claw is rotated to be located in the same plane as the fixed claw, the fixed sliding groove and the rotating sliding groove are communicated, so that the sliding plate slides into the rotating sliding groove.

[0009] By adopting the technical scheme, when the passive window is installed, the fixed claw and the rotating claw are first rotated to increase the opening angle, then the fixed claw is abutted against one side of the window frame to be installed, the rotating claw is abutted against the other side of the window frame to be installed, then the window frame is moved so that one end of the sliding plate is located in the fixed sliding groove and the other end is located in the movable sliding groove, and at this time, the fixed claw and the rotating claw are locked by the sliding plate.

[0010] The fixed claw is abutted against one side of the window frame to be installed, and the rotating claw is abutted against the other side of the window frame to be installed, so that the entire window frame is installed on the window frame to be installed. The window frame is fixed by the limiting of the fixed claw and the rotating claw, so as to avoid drilling holes in the old building wall and avoid damaging the old building wall. The installation of the window frame is completed, and the effect of facilitating the installation of the passive window on the old building is achieved.

[0011] Optionally, a locking hole is formed in the sliding plate, a positioning hole is formed in the rotating claw, and a locking screw is arranged in the locking hole. When the locking hole and the positioning hole are communicated, the locking screw penetrates the locking hole and the positioning hole in sequence.

[0012] By adopting the technical scheme, the locking hole, the positioning hole and the locking screw are matched to limit the installed window frame, so as to avoid the possibility of random sliding of the window frame.

[0013] Optionally, a plurality of positioning holes are formed in the rotating sliding groove.

[0014] By adopting the technical scheme, the plurality of positioning holes are arranged to adjust the position of the window frame, so that the position of the passive window can be adjusted according to the needs of the residents.

[0015] Optionally, the rotating claw comprises a rotating block and an abutting plate, the rotating block is rotationally connected with the fixed claw, a rotating adjusting hole is formed in the rotating block, an adjusting plate is arranged in the rotating adjusting hole, and one end of the adjusting plate penetrating out of the rotating adjusting hole is fixedly connected with the abutting plate.

[0016] By adopting the technical scheme, the distance between the abutting plate and the rotating block is adjusted by the adjusting plate, so that the distance between the abutting plate and the fixed claw is adjusted, and then the distance between the fixed claw and the rotating claw is adjusted, so that the clamping assembly can adapt to different wall thicknesses to install the window frame.

[0017] Optionally, a fixed adjusting hole is formed in the fixed claw. When the rotating claw is rotated to the same plane as the rotating block and the fixed claw, the fixed adjusting hole is communicated with the rotating adjusting hole, so that the adjusting plate is arranged in the fixed adjusting hole.

[0018] By adopting the technical scheme, the adjusting plate can be connected between the fixed claw and the rotating claw, so that the adjusting plate can not only adjust the distance between the fixed claw and the rotating claw, but also limit the rotation of the rotating claw relative to the fixed claw.

[0019] Optionally, a plurality of limiting holes are sequentially arranged on the adjusting plate along the length direction of the adjusting plate, and when the locking hole, the positioning hole and the limiting hole are sequentially communicated, the locking screw sequentially penetrates the locking hole, the positioning hole and the limiting hole.

[0020] By adopting the technical scheme, the locking screw sequentially penetrates the locking hole, the positioning hole and the limiting hole, so that the locking screw locks the positions of the sliding plate, the rotating block and the adjusting plate.

[0021] Optionally, a locking member is further connected between the rotating block and the abutting plate, and the locking member is used to control the distance between the rotating block and the abutting plate.

[0022] By adopting the technical scheme, the distance between the rotating block and the abutting plate is adjusted by the locking member, so that the fixed claw and the rotating claw can clamp the wall body more tightly.

[0023] Optionally, the locking member includes a locking screw, the rotating block is provided with a locking hole, the abutting plate is provided with a rotating hole, the locking screw is arranged in the rotating hole and is threadedly connected with the locking hole.

[0024] By adopting the technical scheme, the distance between the abutting plate and the rotating block can be adjusted by rotating the locking screw through the thread connection between the locking screw and the locking hole, so that the distance between the abutting block and the rotating block can be conveniently adjusted.

[0025] Optionally, a plurality of locking screws, locking holes and rotating holes are provided, the locking holes are symmetrically arranged about the rotating sliding groove, the rotating holes and the locking holes are one-to-one correspondingly arranged, the locking screws are one-to-one correspondingly arranged in the rotating holes and are threadedly connected with the locking holes.

[0026] By adopting the technical scheme, the plurality of locking members symmetrically arranged about the sliding groove make the connection between the abutting plate and the rotating block more stable.

[0027] Optionally, a clearance groove is arranged at the opening of the rotating hole, and the clearance groove is used to accommodate the nut of the locking screw.

[0028] By adopting the technical scheme, the installation groove is arranged on the wall surface, the abutment plate is installed in the installation groove, the surface of the abutment plate is flush with the wall surface, the setting of the accommodation groove makes the surface of the abutment plate more smooth, and the whole clamping assembly is more beautiful.

[0029] To sum up, the present application has at least one of the following beneficial technical effects:

[0030] 1. By cooperation of the window frame, the sliding plate, the fixed claw, the rotating claw, the fixed sliding groove and the rotating sliding groove, when the rotating claw is rotated to be in the same plane as the fixed claw, then the window frame is moved, one end of the sliding plate is located in the fixed sliding groove, and the other end is located in the moving sliding groove, so that the sliding plate locks the rotation of the fixed claw and the rotating claw, the window frame is fixed by the limiting of the fixed claw and the rotating claw, thereby avoiding drilling holes on the old building wall, avoiding damage to the structure of the old building wall to complete the installation of the window frame, thereby achieving the effect of facilitating the installation of the passive window on the old building;

[0031] 2. By cooperation of the rotating block, the abutment plate, the adjusting plate, the rotating adjusting hole and the fixed adjusting hole, the adjusting plate can be connected between the fixed claw and the rotating claw by the communication of the fixed adjusting hole and the rotating adjusting hole, so that the adjusting plate can not only adjust the distance between the fixed claw and the rotating claw, but also lock the rotation of the fixed claw and the rotating claw, thereby achieving the effect of facilitating the sliding of the sliding plate in the fixed sliding groove and the moving sliding groove;

[0032] 3. By the cooperation of the locking hole, the plurality of positioning holes and the plurality of limiting holes which are sequentially arranged along the length direction of the adjusting plate, and the sequential communication of the locking hole, the positioning hole and the limiting hole, when the locking screw sequentially penetrates the locking hole, the positioning hole and the limiting hole, the positions of the sliding plate, the rotating block and the adjusting plate are locked. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a structural schematic view of an external passive window installation structure for reconstruction of existing buildings in the embodiment of the present application.

[0034] Figure 2 is a structural schematic view of a clamping assembly in the embodiment of the present application.

[0035] Figure 3 is a top view of the clamping assembly in the embodiment of the present application.

[0036] Figure 4 is Figure 3 is a sectional view at A-A in FIG.

[0037] Figure 5 is a structural schematic view of a rotating claw in the embodiment of the present application.

[0038] Reference signs:

[0039] 1, window frame; 2, clamping assembly; 21, sliding plate; 22, fixed claw; 221, fixed adjusting hole; 23, rotating claw; 231, rotating block; 2311, rotating adjusting hole; 2312, locking hole; 232, abutting plate; 2321, rotating hole; 233, adjusting plate; 2331, limiting hole; 24, fixed sliding groove; 25, rotating sliding groove; 26, locking hole; 27, positioning hole; 3, locking screw; 4, accommodating groove; 5, locking piece; 51, locking screw. DETAILED DESCRIPTION

[0040] The following will be described in detail below with reference to the accompanying drawings. Figures 1-5 The present application is further described in detail.

[0041] The embodiment of the present application discloses a kind of installation structure of external passive window for existing building reconstruction.

[0042] Refer to Figure 1 And Figure 2 A kind of installation structure of external passive window for existing building reconstruction includes window frame 1, clamping assembly 2. Clamping assembly 2 is installed on window frame 1, clamping assembly 2 includes sliding plate 21, fixed claw 22 and rotating claw 23, sliding plate 21 is fixedly connected on window frame 1, fixed sliding groove 24 is opened in fixed claw 22, sliding plate 21 is inserted in fixed sliding groove 24, and the length of sliding plate 21 is less than the length of fixed sliding groove 24, rotating claw 23 is rotatably connected on fixed claw 22, rotating sliding groove 25 is opened on rotating claw 23, when rotating claw 23 rotates to be located in the same plane with fixed claw 22, fixed sliding groove 24 is communicated with rotating sliding groove 25, to make sliding plate 21 slide to rotating sliding groove 25. Window frame 1 is fixed by the limiting of fixed claw 22 and rotating claw 23, to avoid drilling hole on old building wall, avoid installing window frame 1 on the damage of old building wall, reach the effect that passive window is installed on old building.

[0043] Clamping assembly 2 is arranged along the outer frame of window frame 1, the number of clamping assembly 2 is adjusted according to the length, width and weight of window frame 1, in the embodiment, window frame 1 is arranged in rectangle, three clamping assemblies 2 are respectively installed on the two sides of length direction of window frame 1, two clamping assemblies 2 are respectively installed on the two sides of width direction of window frame 1, ten clamping assemblies 2 are evenly distributed around window frame 1, and window frame 1 is positioned on the window along to be installed.

[0044] In order to make window frame 1 more beautiful when installing, installation groove can be opened on the window along to be installed according to the position of clamping assembly 2, so that locking claw and fixed claw 22 are accommodated in installation groove, the protrusion on wall is reduced, so that wall is more beautiful.

[0045] In order to avoid the installed window frame 1 from sliding randomly, the locking hole 26 is arranged on the sliding plate 21, the positioning hole 27 is arranged on the rotating claw 23, the locking screw 3 is arranged in the locking hole 26, when the locking hole 26 is communicated with the positioning hole 27, the locking screw 3 is arranged in the locking hole 26 and the positioning hole 27 in sequence, so that the position of the installed window frame 1 is limited, and the possibility of the window frame 1 from sliding randomly after installation is avoided.

[0046] In the embodiment, the locking hole 26 is arranged with a thread, the locking hole 26 is threadedly connected with the locking screw 3, and the positioning hole 27 penetrates the rotating claw 23, so that the position of the positioning hole 27 can be directly observed through the locking hole 26, and after the locking hole 26 and the positioning hole 27 are aligned, the locking screw 3 can be screwed to position the sliding plate 21.

[0047] In order to make the upper surface of the sliding plate 21 more beautiful, the opening of the locking hole 26 is arranged with the accommodation groove 4, the accommodation groove 4 is arranged to accommodate the nut of the locking screw 3, and the locking hole 26 can be blocked by the blocking block, so that the upper surface of the sliding plate 21 is more flat, and the upper surface of the sliding plate 21 is more beautiful.

[0048] In an optional embodiment, the positioning hole 27 is arranged with a plurality of positioning holes 27 along the rotating sliding groove 25, in the embodiment, the positioning hole 27 is arranged with three positioning holes 27, in other embodiments, the positioning hole 27 can be arranged with two or four positioning holes 27, and the more the number of the positioning hole 27, the more the selection of the position of the window frame 1. By arranging three positioning holes 27, the locking screw 3 can be arranged in the appropriate position, the position of the window frame 1 can be adjusted according to the needs of the residents, and the residents can use more comfortably.

[0049] Sliding the window frame 1 to the inside of the house makes the opening of the window more convenient, and sliding the window frame 1 to the outside of the house makes the space inside the house larger, and the position of the window frame 1 can be adjusted according to the actual needs of the residents.

[0050] Referring to Figures 3-5 , the rotating claw 23 comprises a rotating block 231 and an abutting plate 232, the rotating block 231 is rotationally connected with the fixed claw 22, the rotating adjusting hole 2311 is arranged on the rotating block 231, the adjusting plate 233 is arranged in the rotating adjusting hole 2311, and one end of the adjusting plate 233 penetrating out of the rotating adjusting hole 2311 is fixedly connected with the abutting plate 232. The depth of the adjusting plate 233 arranged in the rotating adjusting hole 2311 is adjusted, so that the distance between the abutting plate 232 and the rotating block 231 is adjustable.

[0051] By adjusting the distance between the abutting plate 232 and the rotating block 231, the distance between the abutting plate 232 and the fixed claw 22 is adjusted, and then the distance between the fixed claw 22 and the rotating claw 23 is adjusted, so that the clamping assembly 2 can adapt to different wall thicknesses to install the window frame 1.

[0052] In an optional embodiment, the fixed claw 22 is provided with a fixed adjusting hole 221, when the rotating claw 23 is rotated to the same plane as the rotating block 231, the fixed adjusting hole 221 is communicated with the rotating adjusting hole 2311, so that the adjusting plate 233 is inserted into the fixed adjusting hole 221.

[0053] The adjusting plate 233 in this embodiment is longer, so that the adjusting plate 233 is inserted into the fixed adjusting hole 221, and the distance between the abutting plate 232 and the fixed claw 22 can be adjusted when the rotating claw is installed, so that the wall can be better clamped between the abutting plate 232 and the fixed claw 22.

[0054] The fixed adjusting hole 221 is communicated with the rotating adjusting hole 2311, so that the adjusting plate 233 can be connected between the fixed claw 22 and the rotating claw 23, so that the adjusting plate 233 can limit the rotation of the rotating claw 23 relative to the fixed claw 22 when adjusting the distance between the fixed claw 22 and the rotating claw 23, so that the sliding plate 21 can better slide into the rotating sliding groove 25.

[0055] A plurality of limiting holes 2331 are sequentially arranged on the adjusting plate 233 along the length direction of the adjusting plate 233, in this embodiment, the distance between adjacent limiting holes 2331 is equal to the distance between adjacent positioning holes 27, and the number of limiting holes 2331 is greater than the number of positioning holes 27, in this embodiment, the number of limiting holes 2331 is 5, and according to the length of the adjusting plate 233, the number can be 4, 6, 8, etc.

[0056] The locking hole 26, the positioning hole 27 and the limiting hole 2331 are sequentially communicated, and the locking screw 3 penetrates the locking hole 26, the positioning hole 27 and the limiting hole 2331 in sequence. By penetrating the locking hole 26, the positioning hole 27 and the limiting hole 2331 in sequence with the locking screw 3, the position of the sliding plate 21, the rotating block 231 and the adjusting plate 233 is locked by the locking screw 3.

[0057] Only by pushing the abutting plate 232 to control the clamping of the fixed claw 22 and the rotating claw 23, the clamping of the fixed claw 22 and the rotating claw 23 on the wall is not tight enough, and it is easy to produce looseness. Therefore, the locking member 5 is connected between the rotating block 231 and the abutting plate 232 in this embodiment, and the locking member 5 is used to control the distance between the rotating block 231 and the abutting plate 232, so that the clamping of the fixed claw 22 and the rotating claw 23 on the wall is more tight.

[0058] The locking piece 5 comprises a locking screw 51, the rotating block 231 is provided with a locking hole 2312, the abutting plate 232 is provided with a rotating hole 2321, the locking screw 51 is arranged in the rotating hole 2321 and is in threaded connection with the locking hole 2312.

[0059] When the position of the abutting plate 232 is adjusted, the abutting plate 232 is first pushed by hand to abut against the wall, then the locking screw 51 is arranged in the rotating hole 2321 and the locking hole 2312, and then the locking screw 51 is rotated, so that the distance between the abutting plate 232 and the rotating block 231 is further reduced, so that the abutting plate 232 is further abutted against the wall, and the clamping of the fixing claw 22 and the rotating claw 23 on the wall is more closely.

[0060] In order to make the locking force of the locking piece 5 on the abutting plate 232 more uniform and make the locking more stable, the

[0061] The locking screw 51, the locking hole 2312 and the rotating hole 2321 are provided with a plurality of, the locking hole 2312 is symmetrically arranged about the rotating sliding groove 25, the rotating hole 2321 and the locking hole 2312 are arranged one by one, the locking screw 51 is arranged one by one in the rotating hole 2321 and is in threaded connection with the locking hole 2312.

[0062] In the embodiment, the locking screw 51, the locking hole 2312 and the rotating hole 2321 are provided with 2, in other embodiments, they can be provided with 4, 6 or other even numbers, the two locking holes 2312 are symmetrically arranged about the rotating sliding groove 25, that is, the two locking holes 2312 are arranged on both sides of the rotating sliding groove 25, so that the spacing of the stress points of the abutting plate 232 is larger and the stress is more stable, so that the locking force of the locking piece 5 on the abutting plate 232 is more uniform, and the connection between the abutting plate 232 and the rotating block 231 is more stable.

[0063] The opening of the rotating hole 2321 is also provided with a clearance groove 4, the clearance groove 4 is coaxially arranged with the rotating hole 2321, and the clearance groove 4 is used for accommodating the nut of the locking screw 51. When the installation groove is opened on the surface of the wall, the abutting plate 232 is installed in the installation groove, and the clearance groove 4 is arranged, so that the surface of the abutting plate 232 is flush with the surface of the wall, so that the whole clamping assembly 2 is more beautiful.

[0064] The implementation principle of the embodiment of the application is:

[0065] In the installation of the passive window, first, an installation groove is formed on the window frame to be installed, the depth of the installation groove is matched with the size of the fixed claw 22 and the rotating claw 23, then the sliding plate 21 is completely located in the fixed sliding groove 24, and the adjusting plate 233 is pulled out of the fixed adjusting hole 221, so that the abutting plate 232 is away from the fixed claw 22.

[0066] The rotating claw 23 is rotated, so that the opening angle of the fixed claw 22 and the rotating claw 23 is increased, then the fixed claw 22 is abutted in the installation groove of the window frame to be installed, and then the rotating claw 23 is rotated to the same plane of the rotating block 231 and the fixed claw 22. The abutting plate 232 is pressed, so that the abutting plate 232 is fitted in the installation groove of the wall, at this time the adjusting plate 233 is fitted in the rotating adjusting hole 2311 and the fixed adjusting hole 221, then the window frame 1 is moved, so that the sliding plate 21 slides, one end of the sliding plate 21 is located in the fixed sliding groove 24, and the other end is located in the moving sliding groove, at this time the rotating of the fixed claw 22 and the rotating claw 23 is locked by the sliding plate 21.

[0067] Then the locking screw 51 is fitted in the rotating hole 2321 and the locking hole 2312, the locking screw 51 is rotated, so that the abutting plate can abut against the wall, the clamping of the fixed claw 22 and the rotating claw 23 to the wall is more closely.

[0068] Then the position of the window frame 1 can be adjusted according to the actual needs of the residents, then the locking hole 26, the positioning hole 27 and the limiting hole 2331 are sequentially communicated, the locking screw 3 is sequentially penetrated in the locking hole 26, the positioning hole 27 and the limiting hole 2331, and the locking screw 3 is tightened, so that the locking screw 3 locks the positions of the sliding plate 21, the rotating block 231 and the adjusting plate 233, and the installation of the passive window frame 1 is completed.

[0069] By abutting the fixed claw 22 on one side of the window frame to be installed and abutting the rotating claw 23 on the other side of the window frame to be installed, the clamping of the fixed claw 22 and the rotating claw 23 is utilized, so that the entire passive window frame 1 is installed on the window frame to be installed.

[0070] The window frame 1 is fixed by the limiting of the fixed claw 22 and the rotating claw 23, so that the drilling of holes in the old building wall is avoided, the damage to the old building wall is avoided, the old building wall structure can bear the weight of the passive window as much as possible, the installation of the window frame 1 is completed, and the effect of facilitating the installation of the passive window on the old building is achieved.

[0071] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A structure for installing an external passive window for retrofitting an existing building, comprising a window frame (1), characterized in that: The window frame (1) is provided with a clamping assembly (2), the clamping assembly (2) comprises a sliding plate (21), a fixed claw (22) and a rotating claw (23), the sliding plate (21) is fixedly connected to the window frame (1), the fixed claw (22) is provided with a fixed sliding groove (24), the sliding plate (21) is inserted into the fixed sliding groove (24), and the length of the sliding plate (21) is less than the length of the fixed sliding groove (24), the rotating claw (23) is rotatably connected to the fixed claw (22), the rotating claw (23) is provided with a rotating sliding groove (25), when the rotating claw (23) is rotated to be located in the same plane as the fixed claw (22), the fixed sliding groove (24) and the rotating sliding groove (25) are communicated, so that the sliding plate (21) slides into the rotating sliding groove (25). The sliding plate (21) is provided with a locking hole (26), the rotating claw (23) is provided with a positioning hole (27), the locking hole (26) is provided with a locking screw (3), when the locking hole (26) and the positioning hole (27) are communicated, the locking screw (3) penetrates the locking hole (26) and the positioning hole (27) in sequence. The rotating claw (23) comprises a rotating block (231) and an abutting plate (232), the rotating block (231) is rotatably connected to the fixed claw (22), the rotating block (231) is provided with a rotating adjusting hole (2311), the adjusting plate (233) is provided in the rotating adjusting hole (2311), and one end of the adjusting plate (233) penetrating out of the rotating adjusting hole (2311) is fixedly connected to the abutting plate (232).

2. The installation structure of the external hanging passive window for retrofitting an existing building according to claim 1, characterized in that: The positioning hole (27) is provided with a plurality of limiting holes (2331) along the length direction of the adjusting plate (233), when the locking hole (26), the positioning hole (27) and the limiting hole (2331) are communicated in sequence, the locking screw (3) penetrates the locking hole (26), the positioning hole (27) and the limiting hole (2331) in sequence.

3. The installation structure of the external hanging passive window for retrofitting an existing building according to claim 1, characterized in that: The rotating block (231) and the abutting plate (232) are further connected to a locking piece (5), and the locking piece (5) is used for controlling the distance between the rotating block (231) and the abutting plate (232).

4. The installation structure of the external hanging passive window for retrofitting an existing building according to claim 1, characterized in that: The rotating block (231) and the abutting plate (232) are further connected to a locking piece (5), and the locking piece (5) is used for controlling the distance between the rotating block (231) and the abutting plate (232).

5. The installation structure of the external hanging passive window for retrofitting an existing building according to claim 1, characterized in that: ​ 6. The installation structure of an external hanging passive window for retrofitting an existing building according to claim 5, wherein: The locking piece (5) comprises a locking screw (51), a locking hole (2312) is formed in the rotating block (231), a rotating hole (2321) is formed in the abutting plate (232), the locking screw (51) is arranged in the rotating hole (2321) and is in threaded connection with the locking hole (2312).

7. The installation structure of an external hanging passive window for retrofitting an existing building according to claim 6, characterized in that: A plurality of locking screws (51), locking holes (2312) and rotating holes (2321) are arranged, the locking holes (2312) are symmetrically arranged about the rotating sliding groove (25), the rotating holes (2321) are arranged in one-to-one correspondence with the locking holes (2312), the locking screws (51) are arranged in the rotating holes (2321) in one-to-one correspondence and are in threaded connection with the locking holes (2312).

8. The installation structure of the external hanging passive window for retrofitting an existing building according to claim 6, characterized in that: A gap slot (4) is arranged at the opening of the rotating hole (2321), and the gap slot (4) is used for accommodating the screw cap of the locking screw (51).

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