Lifting sliding door with extremely narrow hooked edge leaf

By designing an ultra-narrow hook-edge sash to enhance the sliding door, and using staggered door leaf profiles and multiple sealing strips, the problems of large visible dimensions and poor transparency of conventional sliding door frames and sashes are solved, resulting in a more aesthetically pleasing, transparent, and heat-insulating sliding door effect.

CN223510796UActive Publication Date: 2025-11-04TIANJIN CROWN CURTAIN WALL DECORATION
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Patent Information

Application Number
CN202423268335.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-04
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Conventional sliding door frames and sashes are too large, with a large proportion of sash material and a small proportion of glass, resulting in poor transparency and bulkiness, which cannot meet the architectural aesthetic requirements of fourth-generation housing.

Method used

Design an ultra-narrow hook-edge sliding door, using two staggered door leaf profiles, and through a snap-fit ​​structure and multiple sealing strips, combined with edge insulation material and hook-edge insulation material, to achieve an ultra-narrow hook-edge door structure, enhancing the glass ratio and sealing performance.

Benefits of technology

This design reduces the visible size of the door panels, improving transparency and aesthetics, while enhancing insulation, airtightness, watertightness, and wind pressure resistance, thus meeting the architectural aesthetic requirements of modern residences.

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Abstract

The utility model discloses a lifting sliding door with extremely-narrow hooked edge sashes, which comprises two door leaf profiles distributed in a staggered manner, two adjacent side frames of the two door leaf profiles along the height direction are of extremely-narrow hooked edge sash structures, and the extremely-narrow hooked edge sash structures comprise indoor extremely-narrow hooked edge sashes and outdoor extremely-narrow hooked edge sashes. The indoor extremely-narrow hooked edge sash and the outdoor extremely-narrow hooked edge sash are arranged to be the side edges corresponding to the height direction of the door leaf sectional materials respectively, and the indoor extremely-narrow hooked edge sash and the outdoor extremely-narrow hooked edge sash are connected with pressing lines in the corresponding door leaf sectional materials in a clamped mode through clamping structures. A plurality of sealing rubber strips are connected between the indoor extremely-narrow hooked edge sash and the outdoor extremely-narrow hooked edge sash in a clamped mode, a flange heat preservation material is connected to the side, close to the outdoor extremely-narrow hooked edge sash, of the indoor extremely-narrow hooked edge sash in a clamped mode, and a hooked edge heat preservation material is arranged on one side of the outdoor extremely-narrow hooked edge sash. When the sliding door system is in a closed state, the view surface of the profile is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of lift-up sliding doors, and more specifically, to an ultra-narrow hook-edge lift-up sliding door. Background Technology

[0002] With the rise of fourth-generation housing and the emergence of large balconies and terraces, the market for high-performance balcony lift-up sliding doors in northern residential buildings is gradually expanding. Conventional lift-up sliding door frames and panels are too large, with panel dimensions exceeding 100mm. Conventional lift-up sliding door frames and panels have a large proportion of profiles and a small proportion of glass, resulting in poor transparency and bulkiness, which cannot meet the architectural aesthetic requirements of fourth-generation housing.

[0003] How to invent an ultra-narrow hook-edge sliding door to improve these problems has become an urgent issue for those skilled in the art. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an ultra-narrow hook-edge lift-up sliding door, which aims to improve the problems of conventional lift-up sliding door frames and sashes having too large a visible size (over 100mm), a large proportion of profile material, a small proportion of glass, poor transparency, and being bulky, thus failing to meet the architectural aesthetic requirements of fourth-generation housing.

[0005] This utility model is implemented as follows: an ultra-narrow hook-edge sliding door includes two staggered door leaf profiles. The two adjacent side frames along the height direction of the two door leaf profiles are ultra-narrow hook-edge structures. The ultra-narrow hook-edge structure includes an indoor ultra-narrow hook-edge and an outdoor ultra-narrow hook-edge. The indoor ultra-narrow hook-edge and the outdoor ultra-narrow hook-edge are respectively set as a side edge in the height direction of the corresponding door leaf profile. Both the indoor and outdoor ultra-narrow hook-edges are connected to the pressure line of the corresponding door leaf profile by a snap-fit ​​structure. Multiple sealing strips are snapped between the indoor and outdoor ultra-narrow hook-edges. An edge-blocking insulation material is snapped onto the side of the indoor ultra-narrow hook-edge close to the outdoor ultra-narrow hook-edge, and hook-edge insulation material is provided on one side of the outdoor ultra-narrow hook-edge.

[0006] In a preferred embodiment of this utility model, one side of the indoor ultra-narrow hook-edge fan is provided with a groove for edge insulation material, and one end of the edge insulation material is provided with an edge insulation material buckle, which is engaged in the groove. A first pressure line groove is also provided on one side of the indoor ultra-narrow hook-edge fan, in which a pressure line corresponding to the door leaf profile is engaged. The outdoor ultra-narrow hook-edge fan comprises two parts: outdoor ultra-narrow hook-edge fan material A and outdoor ultra-narrow hook-edge fan material B. Both the side panel A material and the outdoor ultra-narrow hook-edge panel B material have heat insulation strip slots at opposite ends, and heat insulation strips are engaged between the heat insulation strip slots on both sides. The outdoor ultra-narrow hook-edge panel A material has a second pressure line slot on one side, and a pressure line from the corresponding door panel profile is engaged in the second pressure line slot. The outdoor ultra-narrow hook-edge panel A material has a hook-edge insulation material slot on the other side, and a portion of the hook-edge insulation material is inserted into the hook-edge insulation material slot and fixedly connected to the outdoor ultra-narrow hook-edge panel A material and the corresponding pressure line by fasteners.

[0007] In a preferred embodiment of this utility model, the indoor ultra-narrow hook-edge fan and the hook-edge insulation material are respectively provided with a second sealing strip groove, a fourth sealing strip groove, a first sealing strip groove and a third sealing strip groove at opposite ends, and a second sealing strip, a fourth sealing strip, a first sealing strip and a third sealing strip are respectively engaged in the second sealing strip groove, the fourth sealing strip groove, the first sealing strip groove and the third sealing strip groove.

[0008] In a preferred embodiment of this utility model, the first sealing strip, the second sealing strip, the third sealing strip, and the fourth sealing strip each include an integrally formed snap-fit ​​base portion and a sealing deformation portion. The first sealing strip and the fourth sealing strip have the same structure and cross-sectional shape, and the second sealing strip and the third sealing strip have the same structure and cross-sectional shape.

[0009] In a preferred embodiment of this utility model, the edge insulation material and the outdoor ultra-narrow hook edge fan B material are respectively provided with a first glass adhesive strip groove and a second glass adhesive strip groove on the side facing the glass installation direction of the corresponding door fan profile.

[0010] In a preferred embodiment of this utility model, a grooved reinforcing cover is provided on the side of the outward-facing edge insulation material away from the outdoor ultra-narrow outward-facing fan. A grooved reinforcing cover slot is provided on the side of the outward-facing edge insulation material facing the grooved reinforcing cover. A grooved reinforcing cover buckle is provided on the side of the grooved reinforcing cover facing the outward-facing edge insulation material. The grooved reinforcing cover buckle is engaged in the grooved reinforcing cover slot. The grooved reinforcing cover partially surrounds the outward-facing edge insulation material and the outer side of the outdoor ultra-narrow outward-facing fan. The end of the grooved reinforcing cover away from the indoor ultra-narrow outward-facing fan is fixedly connected to the outdoor ultra-narrow outward-facing fan material B by fasteners.

[0011] In a preferred embodiment of this utility model, the end of the grooved reinforcing buckle cover away from the indoor ultra-narrow hook-edge fan is also provided with a reinforcing buckle cover plate slot, and a reinforcing buckle cover plate is engaged in the reinforcing buckle cover plate slot.

[0012] The beneficial effects of this utility model are as follows: The ultra-narrow hook-edge sliding door obtained by the above design has excellent heat insulation, airtightness, watertightness, and wind pressure resistance when in use, by integrating the indoor ultra-narrow hook-edge fan, edge insulation material, sealing strip, hook-edge insulation material, outdoor ultra-narrow hook-edge fan, and grooved reinforced buckle cover. When the sliding door system is in the closed state, the viewing area of ​​the hook-edge fan is only 48mm after the indoor and outdoor side fan hook-edge fan structures are combined, increasing the glass area and making the sliding door more transparent, slender, and exquisite. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall connection structure with the sliding door system provided in this embodiment of the utility model;

[0015] Figure 2 A schematic diagram of the overall structure of the ultra-narrow hook-edge fan provided for an embodiment of this utility model;

[0016] Figure 3 A schematic diagram of the overall structure of the indoor side fan hook-edge fan provided for the embodiment of this utility model;

[0017] Figure 4 A schematic diagram of the overall structure of the outdoor side fan hook-edge fan provided for the embodiment of this utility model;

[0018] Figure 5 This is a schematic diagram of the overall structure of the first and fourth sealing strips provided in this embodiment of the utility model;

[0019] Figure 6 A schematic diagram of the overall structure of the second and third sealing strips provided for embodiments of this utility model;

[0020] Figure 7 A schematic diagram of the overall structure of the edge insulation material provided for an embodiment of this utility model;

[0021] Figure 8 A schematic diagram of the overall structure of the indoor ultra-narrow hook-edge fan provided for the embodiment of this utility model.

[0022] Figure 9 This is a schematic diagram of the overall structure of the outlining insulation material provided in this embodiment of the utility model;

[0023] Figure 10 A schematic diagram of the overall structure of the outdoor ultra-narrow hook-edge fan provided for an embodiment of this utility model;

[0024] Figure 11 A schematic diagram of the overall structure of the groove-type reinforced buckle cover provided for an embodiment of this utility model;

[0025] Figure 12 A schematic diagram of the overall structure of the reinforced buckle cover provided for an embodiment of this utility model.

[0026] In the diagram: 1-Indoor ultra-narrow edge-mounted door sash; 2-Edge insulation material; 3-First sealing strip; 4-Second sealing strip; 5-Third sealing strip; 6-Fourth sealing strip; 7-Edge insulation material; 8-Outdoor ultra-narrow edge-mounted door sash; 9-Groove-type reinforced buckle cover; 10-Reinforced buckle cover plate; 11-Pressure line; 12-Door sash profile; 101-Edge insulation material slot; 102-First pressure line slot; 103-Second sealing strip slot; 104-Fourth sealing strip slot; 201-Edge insulation material buckle; 202-First... 1. Glass sealant strip slot; 301-Snap-on base part; 302-Sealing deformation part; 701-Groove type reinforced snap cover slot; 702-First sealing strip slot; 703-Third sealing strip slot; 801-Outdoor ultra-narrow hook-edge fan A material; 802-Outdoor ultra-narrow hook-edge fan B material; 803-Insulation strip slot; 804-Insulation strip; 805-Second pressure line slot; 806-Hook-edge insulation material slot; 807-Second glass sealant strip slot; 901-Groove type reinforced snap cover buckle; 902-Reinforced snap cover plate slot. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] Please see Figures 1 to 12This utility model provides a technical solution: an ultra-narrow hook-edge sliding door, including two staggered door leaf profiles 12. The two adjacent side frames along the height direction of the two door leaf profiles 12 are ultra-narrow hook-edge structures. The ultra-narrow hook-edge structure includes an indoor ultra-narrow hook-edge 1 and an outdoor ultra-narrow hook-edge 8. The indoor ultra-narrow hook-edge 1 and the outdoor ultra-narrow hook-edge 8 are respectively set as a side edge in the height direction of the corresponding door leaf profile 12. The indoor ultra-narrow hook-edge 1 and the outdoor ultra-narrow hook-edge 8 are connected to the pressure line 11 in the corresponding door leaf profile 12 by a snap-fit ​​structure. Multiple sealing strips are snapped between the indoor ultra-narrow hook-edge 1 and the outdoor ultra-narrow hook-edge 8. An edge insulation material 2 is snapped on the side of the indoor ultra-narrow hook-edge 1 close to the outdoor ultra-narrow hook-edge 8, and a hook-edge insulation material 7 is provided on the side of the outdoor ultra-narrow hook-edge 8.

[0029] It should be noted that the profiles of the indoor ultra-narrow gusset 1 and the outdoor ultra-narrow gusset 8 are only 48mm in diameter. When installed in conjunction with their respective structures on the corresponding door leaf profiles 12, the size of the door frame and the visible surface of the door leaf are reduced, the glass ratio is increased, and the transparency is enhanced, thus meeting the requirements of fourth-generation housing for architectural aesthetics.

[0030] Please see Figure 8 and Figure 10 The indoor ultra-narrow edge sash 1 has a retaining insulation material slot 101 on one side, and a retaining insulation material buckle 201 at one end of the retaining insulation material 2. The retaining insulation material buckle 201 is engaged in the retaining insulation material slot 101. The indoor ultra-narrow edge sash 1 also has a first pressure line slot 102 on one side, in which a pressure line 11 in the corresponding door leaf profile 12 is engaged. The outdoor ultra-narrow edge sash 8 includes two parts: outdoor ultra-narrow edge sash A material 801 and outdoor ultra-narrow edge sash B material 802. Outdoor ultra-narrow edge sash A material 801 and outdoor ultra-narrow edge sash B material 802... Each of the materials 802 has a heat insulation strip slot 803 at one end, and a heat insulation strip 804 is snapped between the heat insulation strip slots 803 on both sides. The outdoor ultra-narrow hook-edge fan A material 801 has a second pressure line slot 805 on one side, and the pressure line 11 in the corresponding door leaf profile 12 is snapped in the second pressure line slot 805. The outdoor ultra-narrow hook-edge fan A material 801 has a hook-edge insulation material slot 806 on the other side, and a part of the hook-edge insulation material 7 is inserted into the hook-edge insulation material slot 806 and fixedly connected to the outdoor ultra-narrow hook-edge fan A material 801 and the corresponding pressure line 11 by fasteners.

[0031] The indoor ultra-narrow edge door sash 1 and the outdoor ultra-narrow edge door sash A material 801 are respectively connected to the pressure line 11 in the corresponding door leaf profile 12 through the first pressure line slot 102 and the second pressure line slot 805 to form a complete door leaf profile 12. The snap-fit ​​connection method facilitates installation and disassembly, improving flexibility and durability. The snap-fit ​​structure design simplifies the installation process, reduces installation costs, and improves stability and reliability.

[0032] Please see Figure 2 , Figure 9 as well as Figure 5 and Figure 6 The indoor ultra-narrow hook-edge fan 1 and the hook-edge insulation material 7 are respectively provided with a second sealing strip groove 103, a fourth sealing strip groove 104, a first sealing strip groove 702 and a third sealing strip groove 703 at opposite ends. The second sealing strip 4, the fourth sealing strip 6, the first sealing strip 3 and the third sealing strip 5 are respectively engaged in the second sealing strip groove 103, the fourth sealing strip groove 104, the first sealing strip groove 702 and the third sealing strip groove 703.

[0033] By setting four sealing strips between the indoor ultra-narrow hook edge fan 1 and the outdoor ultra-narrow hook edge fan A material 801 to meet the sealing requirements between the two door leaf profiles 12, the heat insulation, airtightness, watertightness and sound insulation performance can be improved during use.

[0034] Furthermore, the first sealing strip 3, the second sealing strip 4, the third sealing strip 5, and the fourth sealing strip 6 each include an integrally formed snap-fit ​​base portion 301 and a sealing deformation portion 302. The first sealing strip 3 and the fourth sealing strip 6 have the same structure and cross-sectional shape, and the second sealing strip 4 and the third sealing strip 5 have the same structure and cross-sectional shape.

[0035] The first sealing strip 3 and the fourth sealing strip 6 are used to seal the vertical length of the two door leaf profiles 12 with each other, respectively. The second sealing strip 4 and the third sealing strip 5 are used to ensure the airtightness of the intersecting part of the ultra-narrow hook-edge door 1 and the hook-edge insulation material 7, so as to achieve the effects of heat preservation, windproofing and sound insulation.

[0036] Please see Figure 7 and Figure 10 The edge insulation material 2 and the outdoor ultra-narrow hook edge fan material B 802 are respectively provided with a first glass adhesive strip groove 202 and a second glass adhesive strip groove 807 for snapping on the side facing the glass installation direction of the corresponding door fan profile 12.

[0037] The indoor ultra-narrow edge sash 1 and the outdoor ultra-narrow edge sash 8 respectively use the grooves set on the edge insulation material 2 and the outdoor ultra-narrow edge sash material B 802 to install glass sealant strips, thereby achieving a seal between the profile and the glass and ensuring a good user experience.

[0038] Please see Figure 4 , Figure 11 as well as Figure 12The side of the edge insulation material 7 away from the outdoor ultra-narrow edge fan 8 is also provided with a grooved reinforcing cover 9. The side of the edge insulation material 7 facing the grooved reinforcing cover 9 is provided with a grooved reinforcing cover slot 701. The side of the grooved reinforcing cover 9 facing the edge insulation material 7 is provided with a grooved reinforcing cover buckle 901. The grooved reinforcing cover buckle 901 is snapped into the grooved reinforcing cover slot 701. The grooved reinforcing cover 9 partially surrounds the edge insulation material 7 and the outdoor ultra-narrow edge fan 8. The end of the grooved reinforcing cover 9 away from the indoor ultra-narrow edge fan 1 is fixedly connected to the outdoor ultra-narrow edge fan B material 802 by fasteners.

[0039] The recessed reinforcing cover 9, along with the edge insulation material 7 and the outdoor ultra-narrow edge sash 8, is integrated and secured with clips, slots, and screws, effectively enhancing the wind pressure resistance of the entire door frame structure. Its design not only meets functional requirements but also enhances aesthetics, resulting in a cleaner and more modern appearance for the door frame. Semi-enclosed on the outside of the edge insulation material and the outdoor ultra-narrow edge sash, it provides some protection for the internal components and extends the lifespan of the door frame.

[0040] Furthermore, the end of the grooved reinforcing buckle cover 9 away from the indoor extremely narrow hook-edge fan 1 is also provided with a reinforcing buckle cover plate slot 902, and a reinforcing buckle cover plate 10 is engaged in the reinforcing buckle cover plate slot 902.

[0041] The reinforced cover plate 10 is integrated with the recessed reinforced cover plate 9 via the reinforced cover plate slot 902, further securing the position of the recessed reinforced cover plate and preventing it from loosening or falling off. The design of the reinforced cover plate 10 also takes aesthetics into consideration, complementing the recessed reinforced cover plate 9 and jointly enhancing the overall visual effect of the door frame.

[0042] Working Principle: Both the indoor ultra-narrow edge sliding door 1 and the outdoor ultra-narrow edge sliding door 8 feature an ultra-narrow frame design, resulting in a small profile size and an aesthetically pleasing architectural appearance. The indoor ultra-narrow edge sliding door 1, edge insulation material 2, multiple sealing strips, edge insulation material 7, and outdoor ultra-narrow edge sliding door 8 are integrated together using snap-fit ​​and screw methods to form a complete sliding door structure. The multiple sealing strips effectively prevent the penetration of air, moisture, and noise, improving airtightness, watertightness, and sound insulation performance. The edge insulation material 2 and the grooved design of the glass sealing strip further enhance the thermal insulation performance of the door frame, ensuring a comfortable indoor environment. The recessed reinforced buckle cover 9 not only improves the wind pressure resistance of the door frame but also enhances the overall architectural aesthetics through its beautiful appearance. This ultra-narrow edge sliding door excels in thermal insulation, sealing, sound insulation, and wind pressure resistance, meeting the demands of modern residences for high-performance door frames. The ultra-narrow bezel design and the aesthetically pleasing recessed reinforced cover 9 allow this sliding door to enhance the functionality of the building while also meeting the requirements of architectural aesthetics.

[0043] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A type of ultra-narrow hook-edge sliding door, comprising two staggered door leaf profiles, wherein the two adjacent side frames along the height direction of the two door leaf profiles form an ultra-narrow hook-edge structure, characterized in that, The ultra-narrow edge sash structure includes an indoor ultra-narrow edge sash and an outdoor ultra-narrow edge sash. The indoor ultra-narrow edge sash and the outdoor ultra-narrow edge sash are respectively set as a side edge in the height direction of the corresponding door leaf profile. Both the indoor ultra-narrow edge sash and the outdoor ultra-narrow edge sash are connected to the pressure line of the corresponding door leaf profile by a snap-fit ​​structure. Multiple sealing strips are snapped between the indoor ultra-narrow edge sash and the outdoor ultra-narrow edge sash. An edge-blocking insulation material is snapped onto the side of the indoor ultra-narrow edge sash near the outdoor ultra-narrow edge sash. An edge-hook insulation material is provided on one side of the outdoor ultra-narrow edge sash.

2. The ultra-narrow hook-edge sliding door as described in claim 1, characterized in that: The indoor ultra-narrow hook-edge fan has a retaining edge insulation material slot on one side, and a retaining edge insulation material buckle at one end of the retaining edge insulation material, which is engaged in the retaining edge insulation material slot. The indoor ultra-narrow hook-edge fan also has a first pressure line slot on one side, in which a pressure line corresponding to the door leaf profile is engaged. The outdoor ultra-narrow hook-edge fan includes two parts: outdoor ultra-narrow hook-edge fan material A and outdoor ultra-narrow hook-edge fan material B. Each of the two sides of the hook-edge fan B material has a heat insulation strip slot at one end, and a heat insulation strip is engaged between the two heat insulation strip slots. One side of the outdoor ultra-narrow hook-edge fan A material has a second pressure line slot, in which a pressure line from the corresponding door leaf profile is engaged. The other side of the outdoor ultra-narrow hook-edge fan A material has a hook-edge insulation material slot, and a portion of the hook-edge insulation material is inserted into the hook-edge insulation material slot and fixedly connected to the outdoor ultra-narrow hook-edge fan A material and the corresponding pressure line by fasteners.

3. The ultra-narrow hook-edge sliding door as described in claim 1, characterized in that: The indoor ultra-narrow hook-edge fan and the hook-edge insulation material are respectively provided with a second sealing strip groove, a fourth sealing strip groove, a first sealing strip groove and a third sealing strip groove at opposite ends, and a second sealing strip, a fourth sealing strip, a first sealing strip and a third sealing strip are respectively engaged in the second sealing strip groove, the fourth sealing strip groove, the first sealing strip groove and the third sealing strip groove.

4. The ultra-narrow hook-edge sliding door as described in claim 3, characterized in that: The first, second, third, and fourth sealing strips each include an integrally formed snap-fit ​​base and a sealing deformation part. The first and fourth sealing strips have the same structure and cross-sectional shape, and the second and third sealing strips have the same structure and cross-sectional shape.

5. The ultra-narrow hook-edge sliding door as described in claim 2, characterized in that: The edge insulation material and the outdoor ultra-narrow hook edge fan B material are respectively provided with a first glass adhesive strip groove and a second glass adhesive strip groove on the side facing the glass installation direction of the corresponding door leaf profile.

6. The ultra-narrow hook-edge sliding door as described in claim 2, characterized in that: The side of the outlining insulation material away from the outdoor ultra-narrow outlining fan is also provided with a grooved reinforcing cover. The side of the outlining insulation material facing the grooved reinforcing cover is provided with a grooved reinforcing cover slot. The side of the grooved reinforcing cover facing the outlining insulation material is provided with a grooved reinforcing cover buckle. The grooved reinforcing cover buckle is engaged in the grooved reinforcing cover slot. The grooved reinforcing cover partially surrounds the outlining insulation material and the outer side of the outdoor ultra-narrow outlining fan. The end of the grooved reinforcing cover away from the indoor ultra-narrow outlining fan is fixedly connected to the outdoor ultra-narrow outlining fan material B by fasteners.

7. The ultra-narrow hook-edge sliding door as described in claim 6, characterized in that: The end of the grooved reinforced cover away from the indoor ultra-narrow hook-edge fan is also provided with a reinforced cover plate slot, and a reinforced cover plate is engaged in the reinforced cover plate slot.