A louver top rail mechanism integrated with an installation code

Abstract

The present invention discloses a top rail mechanism of a shutter integrated with an installation code. The top rail mechanism includes a top rail and a hanging plate. Among them, one side of the hanging plate is connected to one side of the top rail by a hook connection or a plug-in connection, and the other side of the hanging plate is connected to the other side of the top rail by a fastener connection and / or a plug-in connection. In the present invention, the hanging plate and the top rail are connected into one body by a reliable and diverse connection method, having good connection strength, firm installation, no safety hazard for hanging the shutter, and the advantages of simple operation and fast installation for the hook or plug-in connection method, and further effectively improving the reliability and safety of the installation structure through bolt connection or plug-in plus screw connection.

Description

Technical Field

[0001] The present invention relates to the technical field of curtain installation mechanisms, and in particular to a top rail mechanism for a louver that is integrated with a mounting code. Background Art

[0002] Currently, a considerable portion of the top rail mounting codes for louvers on the market adopt an external structure, which is described in CN106884608B. The appearance style and the installation method exposed outside the top rail of this external mounting code do not meet people's aesthetic requirements.

[0003] In order to improve the appearance style of the above-mentioned external mounting code, another type of internal mounting code has emerged. Its typical representative is the internal mounting code disclosed in the invention patent CN1030934C. This internal mounting code is an inverted L-shaped bracket. One or more hook members bent at 90° to the top plate are provided at the front end of the top plate of the inverted L-shaped bracket, and one or more hook members bent at 90° to the rear plate are also provided at the lower end of the rear plate of the inverted L-shaped bracket. Therefore, corresponding hook members are also provided at the front wall end of the U-shaped groove of the top rail and the rear edge of the bottom wall. In addition, a fastening member extends from the middle of the top plate of the inverted L-shaped bracket to both sides. When the top rail is inserted into the inverted L-shaped bracket of the hidden mounting code, the hook members at the front end of the top plate and the hook members at the lower end of the rear plate of the inverted L-shaped bracket engage with the hook members at the front wall end of the U-shaped groove of the top rail and the hook members at the rear edge of the bottom wall, and the fastening members on the top plate press against the front wall end and the rear wall end of the top rail respectively to prevent the top rail from falling off the inverted L-shaped bracket of the hidden mounting code. However, when hanging large louvers, since the top rail is very long and the louvers are very heavy, multiple internal mounting codes are required on the window frame to hook the top rail, resulting in very difficult installation. In addition, once the top rail is fixed with this internal mounting code, it is very difficult to disassemble the top rail. To overcome the defects of this type of internal mounting code, CN106884608B proposes a top rail internal mounting code for a louver. This mounting code includes an inverted U-shaped hoisting load-bearing member hidden in the top rail and a pair of support members. After fixing the hoisting load-bearing member on the top of the window or the wall, the top rail is fixed on the inverted U-shaped hoisting load-bearing member by horizontally passing bolts through the top rail, one side support member and the inverted U-shaped hoisting load-bearing member and screwing them into the nuts in the other side support member. This mounting code has a firm and reliable structure and is hidden inside the top rail, reducing the damage to the visual perception of the indoor environment caused by excessive exposed small parts. However, this mounting code has many parts, the installation procedure is cumbersome, and it is somewhat difficult to determine the position where the inverted U-shaped hoisting load-bearing member is fixed on the top of the window or the wall, which also determines the difficulty of installing the top rail. Summary of the Invention

[0004] The appearance style and installation method of ordinary external mounting codes do not meet people's aesthetic requirements, while the existing internal mounting codes are relatively difficult to disassemble and assemble. To overcome these defects, the present invention provides a top rail installation mechanism for a louver that is firm and reliable, very convenient for installation and disassembly, and meets people's aesthetic requirements.

[0005] To achieve the above object, the technical solution of the present invention provides a blind top rail mechanism integrated with an installation code, including:

[0006] A top rail;

[0007] A hanging plate, one side of the hanging plate is hook-connected or inserted and connected to one side of the top rail, and the other side of the hanging plate is connected and / or inserted and connected to the other side of the top rail through a fastener.

[0008] As one of the preferred solutions, an inwardly curved first barb is provided on the inner side of one side of the top rail, and an outwardly curved second barb is provided on one side of the hanging plate;

[0009] Wherein, one side of the top rail and one side of the hanging plate are hook-connected through the mutual cooperation of the first barb and the second barb.

[0010] As one of the preferred solutions, an outwardly curved first barb is provided on the inner side of one side of the top rail, and an inwardly curved second barb is provided on one side of the hanging plate;

[0011] Wherein, one side of the top rail and one side of the hanging plate are hook-connected through the mutual cooperation of the first barb and the second barb.

[0012] As one of the preferred solutions, an outwardly turned edge is provided on one side of the top rail, and a first card slot with a first outwardly turned tongue is provided on one side of the hanging plate;

[0013] Wherein, one side of the top rail and one side of the hanging plate are inserted and connected by inserting the outwardly turned edge into the first card slot.

[0014] As one of the preferred solutions, a C-shaped outwardly turned edge is provided on one side of the top rail, and a first card slot with a first outwardly turned tongue is provided on one side of the hanging plate;

[0015] Wherein, one side of the top rail and one side of the hanging plate are inserted and connected by inserting the outwardly turned edge into the first card slot.

[0016] As one of the preferred solutions, the top rail mechanism further includes:

[0017] A bolt;

[0018] A nut, the nut is arranged on the other side surface of the top rail;

[0019] A first through hole, the first through hole is arranged on the other side surface of the hanging plate;

[0020] Wherein, the other side of the hanging plate and the other side of the top rail are bolt-connected by passing the bolt through the first through hole and screwing it into the nut.

[0021] As one of the preferred solutions, the cross-section of the hanging plate is a C-shaped structure, and the cross-section of the top rail is a U-shaped structure.

[0022] As one of the preferred solutions, the other side of the top rail is provided with a T-shaped inward flange and a T-shaped outward flange. A third through hole is provided on the T-shaped outward flange of the top rail, and a second card slot with a second outward tongue is provided on the other side of the hanging plate.

[0023] Wherein, the other side of the hanging plate and the other side of the top rail are connected by inserting the T-shaped inward flange into the second card slot and successively screwing self-tapping screws into the third through hole and the fourth through hole of the hanging plate, so as to perform card insertion connection and screw connection.

[0024] As one of the preferred solutions, the cross-section of the hanging plate is an F-shaped structure, and the cross-section of the top rail is a U-shaped structure.

[0025] As one of the preferred solutions, the hanging plate further includes:

[0026] A vertical plate, which is arranged on the right side of the hanging plate, and the vertical plate is used for fixedly installing the hanging plate.

[0027] Wherein, the cross-section of the hanging plate is an L-shaped structure.

[0028] In summary, by applying the technical solution of the top rail mechanism of the shutter integrated with the installation code of the present invention, at least the following beneficial effects are achieved: In the present invention, a reliable and diverse connection method is adopted between the hanging plate and the top rail to connect them into one body, with good connection strength, firm installation, and no safety hazards for hanging the shutter. It combines the advantages of simple operation and fast installation of the hook connection method, and further effectively improves the reliability and safety of the installation structure through fastener connection.

[0029] When the present invention is in use, only need to first perform hook connection or card insertion connection between one side of the hanging plate and one side of the top rail, and then perform fastening connection between the other side of the hanging plate and the other side of the top rail through bolts or screws, then the assembly can be completed. For disassembly, only need to loosen the assembly bolts or screws, and then the top rail can be removed. Therefore, the disassembly and assembly operation of this installation mechanism is extremely simple and convenient, meeting people's aesthetic requirements. In addition, the top rail mechanism of the present invention is integrated with the installation code, invisibly integrating the function of the installation code into the hanging plate and the top rail profiles, without any redundant parts and damage to the appearance, and the external structure is simple and beautiful, thus meeting people's aesthetic requirements.

[0030] To make the inventive concept and other objects, advantages, features and functions of the present invention clearer and easier to understand, preferred embodiments will be specifically cited in the following detailed description, and detailed explanations will be made in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0032] Figure 1 3D assembly drawing of the first louver top rail mechanism in the present invention;

[0033] Figure 2 3D exploded view of the first louver top rail mechanism in the present invention;

[0034] Figure 3 Front end face assembly drawing of the first louver top rail mechanism in the present invention;

[0035] Figure 4 Rear end face assembly drawing of the first louver top rail mechanism plate in the present invention;

[0036] Figure 5 3D assembly drawing of the second louver top rail mechanism in the present invention;

[0037] Figure 6 3D exploded view of the second louver top rail mechanism in the present invention;

[0038] Figure 7 Front end face assembly drawing of the second louver top rail mechanism in the present invention;

[0039] Figure 8 Rear end face assembly drawing of the second louver top rail mechanism in the present invention.

[0040] Figure 9 Front end face assembly drawing of the third louver top rail mechanism in the present invention;

[0041] Figure 10 Rear end face assembly drawing of the third louver top rail mechanism in the present invention.

[0042] Figure 11 Front end face assembly drawing of the fourth louver top rail mechanism in the present invention;

[0043] Figure 12 Rear end face assembly drawing of the fourth louver top rail mechanism in the present invention.

[0044] Figure 13 This is the rear end view after assembly of the fifth louver top rail mechanism in the present invention.

[0045] Explanation of reference numerals: 1: top rail; 10: third through hole; 11: first barb; 12: opening groove; 13: C shape; 14: third barb; 15: first through hole; 16: opening; 17: T-shaped inward flange; 18: T-shaped outward flange; 19: outward flange; 2: hanging plate; 20: vertical plate; 21: second barb; 22: reinforcing rib; 23: second through hole; 24: first card slot; 24': first outward tongue; 25: second card slot; 25': second outward tongue; 26: one side of the hanging plate; 27: fourth through hole; 3: expansion screw; 4: bolt; 5: nut; 9: self-tapping screw. Detailed implementation manners

[0046] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0047] In the present invention, for a clearer description, the following explanations are made: The terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the text indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting the present invention.

[0048] It should also be noted that unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", "setting", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0049] In addition, the terms "first", "second", "third", "fourth" are only used for the purpose of clear or simplified description, and cannot be understood as indicating or implying relative importance or quantity.

[0050] Embodiment 1

[0051] Please refer to Figures 1 to 4 In this embodiment, a louver top rail mechanism I integrated with an installation code is provided, including a top rail 1 and a hanging plate 2. One side surface of the hanging plate 2 is hooked to one side surface of the top rail 1, and the other side surface of the hanging plate 2 is bolted to the other side surface of the top rail 1.

[0052] In this embodiment, a reliable and diverse connection method is adopted between the hanging plate 2 and the top rail 1 to be integrated into one body, which has good connection strength, firm installation, no safety hazard for hanging the louver, and has the advantages of simple operation and fast installation in the hooking connection method. And the reliability and safety of the installation structure are further effectively improved through bolt connection.

[0053] When this embodiment is in use, only need to first perform the hooking connection, and then pass the bolt 4 through the side of the hanging plate 2 and screw it into the hexagon nut 5 embedded in the side of the top rail 1 to complete the assembly. For disassembly, just loosen the assembly bolt and the top rail 1 can be removed. Therefore, the disassembly and assembly operations of this installation mechanism are extremely simple and convenient, meeting people's aesthetic requirements. In addition, this embodiment directly cancels the installation code, and the function of the installation code is invisibly integrated into the profiles of the hanging plate 2 and the top rail 1, without any redundant parts and damage to the appearance, and the external structure is simple and beautiful, thus meeting people's aesthetic requirements.

[0054] In this embodiment, an inward-bending first barb 11 is provided inside one side surface of the top rail 1, an opening groove 12 is provided inside the other side surface, the nut 5 is embedded in the opening groove 12, and a first through hole 15 is provided at the position of the top rail 1 corresponding to the nut 5 on the other side surface. An opening 16 is provided on the side surface of the opening groove 12 to avoid the end exposed after the fastening bolt 4 is screwed into the nut 5.

[0055] In this embodiment, corresponding third barbs 14 are provided inside both side surfaces of the top rail 1.

[0056] In this embodiment, an outward-bending second barb 21 is provided on one side of the hanging plate 2, and the other side surface of the hanging plate 2 is an L-shaped edge, and a reinforcing rib 22 is provided along the length direction of the L-shaped edge to enhance the structural strength of the L-shaped edge of the hanging plate 2.

[0057] In this embodiment, the cross section of the hanging plate 2 is in a C-shaped structure, and the cross section of the top rail 1 is in a U-shaped structure.

[0058] During the installation of the top rail 1 in this embodiment, first, fix the hanging plate 2 to the top of the window or the ceiling with expansion screws 3 or nail guns. Then, insert the hexagonal or quadrilateral nut 3 into the lateral opening groove 12 of the top rail 1 and align it with the first through hole 15 thereon. Next, push the top rail 1 horizontally upwards so that the first barb 11 on one side of the top rail 1 hangs on the second barb 21 on one side of the hanging plate 2, thus completing the hook connection method. Then, sequentially pass the fixing bolt 4 through the second through hole 23 on one side of the hanging plate 2 and the first through hole 15 on one side of the top rail 1, and screw it into the hexagonal or quadrilateral nut 5 and tighten it, thus completing the bolt connection method, thereby fastening the top rail 1 to the hanging plate 2, that is, installing the blinds on the window.

[0059] Embodiment 2

[0060] Please refer to Figures 5 to 8 , this embodiment provides a top rail mechanism II of a blind integrated with an installation code, including a top rail 1 and a hanging plate 2. Among them, one side surface of the hanging plate 2 is connected to one side surface of the top rail 1 by a hook method, and the other side surface of the hanging plate 2 is connected to the other side surface of the top rail 1 by an insertion card method.

[0061] In this embodiment, the hook connection method is the same as that in Embodiment 1.

[0062] In this embodiment, one side of the top rail 1 is provided with a first barb 11 that turns outwards, the other side of the top rail 1 is provided with a T-shaped inner flange 17 and a T-shaped outer flange 18, and a third through hole 10 is provided on the T-shaped outer flange 18 of the top rail 1.

[0063] In this embodiment, corresponding third barbs 14 are arranged on the inner sides of both side surfaces of the top rail 1.

[0064] In this embodiment, one side of the hanging plate 2 is provided with a second barb 21 that turns inwards, and the other side 26 of the hanging plate 2 is provided with a second card slot 25 with a second outer tongue 25'. The function of the second outer tongue 25' is to facilitate the insertion of the T-shaped inner flange 17 of the top rail 1.

[0065] In this embodiment, the cross-section of the hanging plate 2 is in an F-shaped structure, and the cross-section of the top rail 1 is in a U-shaped structure.

[0066] During the installation of the top rail 1 in this embodiment, first, the hanging plate 2 is fixed to the top of the window or the ceiling with expansion screws 3 or nail guns, and then the top rail 1 is tilted at an angle and pushed in the direction of the arrow, so that the first barb 11 on one side of the top rail 1 is hooked on the first barb 21 on one side of the hanging plate 2, thus completing the hooking connection method. At the same time, the T-shaped inward flange 17 of the top rail 1 slides into the second card slot 25 on the other side 26 of the hanging plate 2. Then, the self-tapping screw 9 is sequentially screwed into the third through hole 10 on the T-shaped outward flange 18 of the top rail 1 and the fourth through hole 27 on the other side 26 of the hanging plate 2 to fasten the top rail 1 and the hanging plate 2 together, and the shutter can be installed and hung on the window to prevent the top rail 1 from slipping out from the second hook 21 and the second card slot 25 on the hanging plate 2.

[0067] Embodiment III

[0068] Please refer to Figures 9 to 10 simultaneously. This embodiment provides a shutter top rail mechanism III integrated with an installation code, including a top rail 1 and a hanging plate 2. Among them, both sides of the top rail 1 are connected to the hanging plate 2 in an insertion and clamping manner.

[0069] In this embodiment, one side of the top rail 1 is provided with an outward flange 19, the other side of the top rail 1 is provided with a T-shaped inward flange 17 and a T-shaped outward flange 18, and the T-shaped outward flange 18 of the top rail 1 is provided with a third through hole 10 (see Embodiment II);

[0070] In this embodiment, corresponding third barbs 14 are arranged on the inner sides of both side surfaces of the top rail 1.

[0071] In this embodiment, one side of the hanging plate 2 is provided with a first card slot 24 with a first outward tongue 24', and the other side 26 of the hanging plate 2 is provided with a second card slot 25 with a second outward tongue 25'. The functions of the first outward tongue 24' and the second outward tongue 25' are to facilitate the insertion of the outward flange 19 and the T-shaped inward flange 17 of the top rail 1.

[0072] In this embodiment, the cross-section of the top rail 1 is in a U-shaped structure, and the cross-section of the hanging plate 2 is in an F-shaped structure.

[0073] During the installation of the top rail 1 in this embodiment, first, the hanging plate 2 is fixed to the top of the window or the ceiling with expansion screws 3 or nail guns, and then the top rail 1 is lifted and pushed in the direction of the arrow, so that the outward flange 19 on one side of the top rail 1 and the T-shaped inward flange 17 on the other side are respectively inserted into the first card slot 24 and the second card slot 25 of the hanging plate 2. Then, the self-tapping screw 9 is sequentially screwed into the third through hole 10 on the T-shaped outward flange 18 of the top rail 1 and the fourth through hole 27 on one side 26 of the hanging plate 2 to fasten the top rail 1 and the hanging plate 2 together, and the shutter can be installed and hung on the window to prevent the top rail 1 from slipping out from the first card slot 24 and the second card slot 25 on the hanging plate 2.

[0074] Example 4

[0075] Please refer to Figures 11 to 12 , this embodiment provides a louver top rail mechanism IV integrated with an installation code, including a top rail 1 and a hanging plate 2. Among them, both sides of the top rail 1 are connected to the hanging plate 2 by means of plug-in cards.

[0076] In this embodiment, one side of the top rail 1 is provided with an outward turned edge 19 of a C shape 13. The outward turned edge 19 of the C shape 13 makes the cross-section of the hanging plate 2 shorter. The other side of the top rail 1 is provided with an inward turned T-shaped edge 17 and an outward turned T-shaped edge 18. A third through hole 10 (see Embodiment 2) is provided on the outward turned T-shaped edge 18 of the top rail 1;

[0077] In this embodiment, corresponding third barbs 14 are arranged on the inner sides of both side surfaces of the top rail 1.

[0078] In this embodiment, one side of the hanging plate 2 is provided with a first card slot 24 with a first outward turned tongue 24', and the other side of the hanging plate 2 is provided with a second card slot 25 with a second outward turned tongue 25'. The functions of the first outward turned tongue 24' and the second outward turned tongue 25' are to facilitate the insertion of the outward turned edge 19 of the top rail 1 and the inward turned T-shaped edge 17.

[0079] In this embodiment, the cross-section of the top rail 1 is in a U-shaped structure, and the cross-section of the hanging plate 2 is in an F-shaped structure.

[0080] During the installation process of the top rail 1 in this embodiment, first, the hanging plate 2 is fixed to the top of the window or the ceiling with expansion screws 3 or nail guns. Then, the top rail 1 is lifted and pushed along the arrow direction, so that the outward turned edge 19 on one side of the top rail 1 and the inward turned T-shaped edge 17 on the other side are respectively inserted into the first card slot 24 and the second card slot 25 of the hanging plate 2. Then, self-tapping screws 9 are sequentially screwed into the third through hole 10 on the outward turned T-shaped edge 18 of the top rail 1 and the fourth through hole 27 on one side 26 of the hanging plate 2 to fasten the top rail 1 and the hanging plate 2 together, and the louver can be installed and hung on the window to prevent the top rail 1 from slipping out from the first card slot 24 and the second card slot 25 of the hanging plate 2.

[0081] Example 5

[0082] Please refer to Figure 13 , this embodiment provides a louver top rail mechanism V integrated with an installation code, including a top rail 1 and a hanging plate 2. Among them, both sides of the top rail 1 are connected to the hanging plate 2 by means of plug-in cards.

[0083] In this embodiment, the top rail 1 is the same as the top rail 1 in Embodiment 4; the hanging plate 2 is basically the same as the hanging plate 2 in Embodiment 4, except that a vertical plate 20 extends from one side of the first card slot 24 with the first outward-turning tongue 24' of the hanging plate 2, and the cross-section of the hanging plate 2 is in an L-shaped structure. The function of the vertical plate 20 is that if it is not convenient to fix the hanging plate 2 at the top of the window, the hanging plate 2 can be fixed to the wall through the vertical plate 20.

[0084] During the installation of the top rail 1 in this embodiment, first, the vertical plate 20 of the hanging plate 2 is fixed to the wall of the window with expansion screws 3 or nail guns, and then the top rail 1 is lifted and pushed along the arrow direction, so that the outward-turning edge 19 on one side of the top rail 1 and the T-shaped inward-turning edge 17 on the other side are respectively inserted into the first card slot 24 and the second card slot 25 of the hanging plate 2. Then, the self-tapping screws 9 are sequentially screwed into the third through holes 10 on the T-shaped outward-turning edge 18 of the top rail 1 and the fourth through holes 27 on one side 26 of the hanging plate 2 to fasten the top rail 1 and the hanging plate 2 together, and the shutter can be installed and hung on the window to prevent the top rail 1 from slipping out from the first card slot 24 and the second card slot 25 of the hanging plate 2.

[0085] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. A louver top rail mechanism integrated with an installation code, characterized in that, Comprising: Top rail; Hanging plate, one side of the hanging plate is hook-connected or inserted and connected with one side of the top rail, and the other side of the hanging plate is connected and / or inserted and connected with the other side of the top rail through a fastener; An inwardly turned first barb is provided on the inner side of one side of the top rail, and an outwardly turned second barb is provided on one side of the hanging plate; Wherein, one side of the top rail and one side of the hanging plate are hook-connected through the cooperation of the first barb and the second barb; An outwardly turned edge is provided on one side of the top rail, and a first card slot with a first outwardly turned tongue is provided on one side of the hanging plate; Wherein, one side of the top rail and one side of the hanging plate are inserted and connected by inserting the outwardly turned edge into the first card slot; A T-shaped inwardly turned edge and a T-shaped outwardly turned edge are provided on the other side of the top rail, a third through hole is provided on the T-shaped outwardly turned edge of the top rail, and a second card slot with a second outwardly turned tongue is provided on the other side of the hanging plate; Wherein, the other side of the hanging plate and the other side of the top rail are inserted and connected by inserting the T-shaped inwardly turned edge into the second card slot, and a self-tapping screw is screwed into the third through hole and the fourth through hole on the hanging plate in sequence, so as to perform insertion and connection and screw connection; The cross section of the hanging plate is in an F-shaped structure, and the cross section of the top rail is in a U-shaped structure.

2. The top rail mechanism of the shutter integrated with the installation code according to claim 1, wherein The outwardly turned edge is in a C-shaped groove structure.

3. The top rail mechanism of a shutter integrated with an installation code according to claim 1, characterized in that, The hanging plate further comprises: Vertical plate, the vertical plate is arranged on the right side of the hanging plate, and the vertical plate is used for fixedly installing the hanging plate; Wherein, the cross section of the hanging plate is in an L-shaped structure.

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