Dry hanging system of decorative plate and installation method of dry hanging system

Abstract

The invention discloses a dry hanging system of a decorative plate and a mounting method of the dry hanging system, and the dry hanging system comprises a horizontal guide rail with an L-shaped cross section and comprising a vertical plate and a transverse plate; the cross section of the central connecting piece is Z-shaped, and the central connecting piece comprises a middle plate, a lower plate, an upper plate, a pressing plate, a clamping plate and a fastener; the section of the plate back buckle is in a Z shape, and the plate back buckle comprises a connecting plate, an inner plate and an outer plate. Compared with the prior art, the dry-hanging system has the following advantages and effects that the dry-hanging system which is adjustable in back clearance, reliable in connection and convenient to install is arranged, the wall unevenness can be dealt with, a 5 mm back clearance distance adjusting space is provided, meanwhile, the structural strength is high, the dry-hanging system is suitable for heavy stone and ceramic tile dry-hanging veneers, and decorative plates are installed in a dry-hanging mode, so that installation is rapid.

Description

Technical Field

[0001] The invention relates to the field of decoration and renovation, and in particular to a dry hanging system of a decorative panel and an installation method thereof. Background Art

[0002] Decorative panels are used as exterior wall decoration materials, generally including stone and ceramic tiles. Currently, the industry usually uses two methods to install decorative panels on structural walls. One method is wet hanging, and the other method is dry hanging.

[0003] Traditional dry hanging methods include the following: The first method is to use traditional screw fixing method, which is low-cost but lacks flexibility.

[0004] The second method is to use a special hook and track system to fix it. Although it supports a certain degree of horizontal movement, the back clearance distance adjustment between the wall is limited.

[0005] The third method is to use a magnetic suspension device to fix it. Although it is easy to operate, it is only suitable for panels of specific materials.

[0006] The fourth method is to use a spring clamping mechanism to fix the device, which is easy to operate but does not perform well under heavy loads.

[0007] Therefore, it is particularly important to design a dry hanging system that is flexible, adjustable, safe and reliable. Summary of the invention

[0008] In view of the deficiencies in the prior art, an object of the present invention is to provide a dry hanging system for decorative panels, which is flexible, adjustable, safe and reliable.

[0009] The above technical objectives of the present invention are achieved through the following technical solutions: A dry hanging system for decorative panels, comprising: The horizontal guide rail has an L-shaped cross section and includes a vertical plate and a horizontal plate. The vertical plate is attached to the wall surface. The horizontal plate is horizontally arranged on the upper end of the vertical plate. A plurality of bolt holes and a plurality of self-tapping screw holes are arranged at intervals on the vertical plate. The self-tapping screw holes are grouped in pairs and are distributed on both sides of the bolt holes. Nuts are welded and fixed on the back side of the vertical plate, and the nuts are aligned with the bolt holes. A central connecting member, which is arranged in a Z-shaped cross section, comprises a middle plate, a lower plate, an upper plate, a pressure plate, a clamping plate and a fastener, wherein the middle plate is arranged horizontally and fits the lower end surface of the transverse plate, the lower plate is arranged vertically at one end of the middle plate and contacts the side wall of the vertical plate, the upper plate is arranged vertically at the other end of the middle plate and fits the side wall of the transverse plate, the pressure plate is arranged horizontally on the back side of the upper plate and forms a slot for the transverse plate to be embedded between the pressure plate and the middle plate, the clamping plate is arranged vertically on the upper end surface of the pressure plate and forms a clamping slot between the pressure plate and the upper plate, and the fastener is used to fix the lower plate; The back buckle of the panel has a Z-shaped cross-section and includes a connecting plate, an inner plate and an outer plate. The connecting plate is horizontally arranged and presses the upper end surface of the upper plate. The inner plate is vertically arranged at one end of the connecting plate and is used to be inserted into the clamping groove. The outer plate is vertically arranged at the other end of the connecting plate and is used to connect the back side of the decorative plate.

[0010] In a preferred example, the present invention can be further configured as follows: the fastener includes a screw and a washer, the screw is used to pass through the bolt hole and is threadedly connected to the nut, and the washer is fixed to the outer wall of the screw and clamps the inner side of the lower plate.

[0011] In a preferred example, the present invention can be further configured as follows: a clamping strip for clamping the outer wall of the upper plate is horizontally arranged on the lower end surface of the connecting plate.

[0012] In a preferred example, the present invention can be further configured as follows: a fine-tuning mechanism for controlling the vertical sliding movement of the inner plate in the clamping groove is provided on the clamping plate.

[0013] In a preferred example, the present invention can be further configured as follows: the fine-tuning mechanism includes a slider, a sliding rod and a driving member, the slider is horizontally slidably connected to the inner wall of the clamp, the sliding rod is cylindrical and horizontally arranged on the slider, the clamp is horizontally provided with a strip hole for the sliding rod to slide, the upper plate is obliquely provided with a long strip sliding hole for the sliding rod to slide, and the driving member is used to control the horizontal sliding of the slider.

[0014] In a preferred example, the present invention can be further configured as follows: the driving member includes a pair of driving seats, a screw and a handwheel, the driving seats are arranged at both ends of the clamping plate, the screw is horizontally rotatably connected to the pair of driving seats and is threadedly connected to the slider, and the handwheel is arranged at the end of the screw.

[0015] In a preferred example, the present invention can be further configured as follows: a sliding groove for horizontal sliding of the sliding rod is horizontally arranged on the back side of the upper plate.

[0016] Another object of the present invention is to provide a method for installing a decorative panel, which has the effect of efficient construction.

[0017] The above technical objectives of the present invention are achieved through the following technical solutions: A method for installing a decorative panel, comprising the following steps: S1, base wall positioning, laying out the lines on the wall according to the drawings, and locating the positions of the bolt holes and self-tapping screw holes, and then drilling holes at the located positions, where the hole diameter of the bolt hole is 2mm larger than the outer diameter of the nut, and the depth is 1mm larger than the thickness of the nut; S2, install the horizontal guide rail, place the vertical plate on the horizontal guide rail against the wall, and insert the nuts on the back of the vertical plate into the pre-punched holes, so that the back of the horizontal guide rail should fit the wall, and then pass the self-tapping screws through the pre-punched self-tapping screw holes on the vertical plate and fix it to the wall; S3, install the center connector, embed the center connector on the horizontal guide rail, insert the horizontal plate on the horizontal guide rail into the slot between the middle plate and the pressure plate, and make the middle plate contact the lower end surface of the horizontal plate, then control the screw to rotate, and under the action of the screw and the washer, the position of the center connector is initially fixed, and the back gap distance between the center connector and the wall can be adjusted. The back gap size is adjustable from 17-22mm, so a wire tube with a diameter of 22mm can be laid; S4, installing the panel back buckle, making the outer plate on the panel back buckle contact the back side of the decorative plate, and then using self-tapping screws to install and fix the panel back buckle; S5, hanging the decorative panel: vertically inserting the inner panel on the back buckle of the decorative panel into the clamping groove formed between the upper panel and the clamping plate to realize the clamping and fixing of the decorative panel; S6, horizontal fine adjustment, control the decorative panel to drive the panel back buckle to slide along the length direction of the horizontal guide rail, the maximum sliding distance is 12mm, to achieve horizontal position adjustment of the decorative panel; S7, fine-tuning in the vertical direction, controlling the hand wheel to drive the screw to rotate, so as to adjust the slider and the slide rod in the horizontal direction. At this time, under the cooperation of the slide rod and the inclined slide hole, the back buckle of the control panel slides in the vertical direction, with a maximum sliding distance of 8mm, to achieve the vertical position adjustment of the decorative panel; S8, back clearance distance adjustment, control the screw to rotate, so that the screw and the washer drive the center connector to slide, and the center connector drives the panel back buckle and the decorative panel to slide synchronously, thereby realizing the back clearance distance adjustment of the decorative panel and making all the decorative panels in the same horizontal position.

[0018] In summary, the present invention has the following beneficial effects: 1. By setting up a dry hanging system with adjustable back clearance, reliable connection and easy installation, it can cope with uneven walls and provide 5mm back clearance adjustment space. At the same time, it has high structural strength and is suitable for heavier stone and tile dry hanging finishes. The decorative panels can be installed in a dry hanging manner, which is quick to install; 2. By setting up a dry hanging system that can slide and adjust in the horizontal and vertical directions along the wall, the position adjustment of the decorative panels can be met and the precise installation of the decorative panels can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the installation and use status of the embodiment; Figure 2 2 is a schematic structural diagram of a horizontal guide rail, a central connecting member, and a back buckle of a plate member in an embodiment; Figure 3 is a schematic structural diagram of a fine adjustment mechanism and a driving member of an embodiment; Figure 4 It is a schematic diagram of the connection relationship of the embodiment.

[0020] Figure numerals: 1. horizontal guide rail; 11. vertical plate; 12. horizontal plate; 13. bolt hole; 14. self-tapping screw hole; 15. nut; 2. center connector; 21. middle plate; 22. lower plate; 23. upper plate; 24. pressure plate; 25. clamping plate; 26. fastener; 261. screw; 262. washer; 27. slot; 28. clamping slot; 3. plate back buckle; 31. connecting plate; 32. inner plate; 33. outer plate; 34. clamping strip; 4. fine-tuning mechanism; 41. slider; 42. slide rod; 43. strip hole; 44. slide hole; 45. slide slot; 5. driving member; 51. driving seat; 52. screw; 53. handwheel. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0022] Embodiment 1: like Figure 1 , Figure 2 As shown, a dry hanging system for decorative panels includes a horizontal guide rail 1, a central connecting piece 2 and a panel back buckle 3.

[0023] like Figure 2 , Figure 3 , Figure 4 As shown, the cross section of the horizontal guide rail 1 is L-shaped and includes a vertical plate 11 and a horizontal plate 12. The vertical plate 11 is attached to the wall, and the horizontal plate 12 is horizontally arranged at the upper end of the vertical plate 11. Easy-to-break holes can be arranged at intervals on the horizontal guide rail 1, which is convenient for quick breaking and installation without cutting, thereby improving the convenience of construction.

[0024] like Figure 2 , Figure 3 , Figure 4 As shown, a plurality of bolt holes 13 and a plurality of self-tapping holes 14 are arranged at intervals on the vertical plate 11. The self-tapping holes 14 are grouped in pairs and distributed on both sides of the bolt holes 13. Nuts 15 are welded and fixed on the back side of the vertical plate 11, and the nuts 15 are aligned with the bolt holes 13.

[0025] like Figure 2 , Figure 3 , Figure 4 As shown, the cross section of the central connecting member 2 is Z-shaped and includes a middle plate 21, a lower plate 22, an upper plate 23, a pressure plate 24, a clamping plate 25 and a fastener 26. The middle plate 21 is horizontally arranged and fits the lower end surface of the horizontal plate 12, and the lower plate 22 is vertically arranged at one end of the middle plate 21 and contacts the side wall of the vertical plate 11. The upper plate 23 is vertically arranged at the other end of the middle plate 21 and fits the side wall of the horizontal plate 12.

[0026] like Figure 2 , Figure 3 , Figure 4 As shown, the pressing plate 24 is horizontally arranged on the back side of the upper plate 23, and a slot 27 is formed between the pressing plate 24 and the middle plate 21 for the horizontal plate 12 to be inserted. The clamping plate 25 is vertically arranged on the upper end surface of the pressing plate 24, and a clamping slot 28 is formed between the pressing plate 24 and the upper plate 23.

[0027] like Figure 2 , Figure 3 , Figure 4 As shown, the fastener 26 is used to fix the lower plate 22. The fastener 26 includes a screw 261 and a washer 262. The screw 261 is used to pass through the bolt hole 13 and is threadedly connected to the nut 15. The washer 262 is fixed to the outer wall of the screw 261 and clamps the inner side of the lower plate 22.

[0028] like Figure 2 , Figure 3 , Figure 4 As shown, the cross section of the plate back buckle 3 is arranged in a Z shape, and includes a connecting plate 31, an inner plate 32 and an outer plate 33. The connecting plate 31 is arranged horizontally and presses the upper end surface of the upper plate 23. The lower end surface of the connecting plate 31 is horizontally provided with a clamping strip 34 clamping the outer wall of the upper plate 23 to increase the stability of the connection position.

[0029] like Figure 2 , Figure 3 , Figure 4 As shown, the inner plate 32 is vertically arranged at one end of the connecting plate 31 and is used to be inserted into the clamping groove 28. The outer plate 33 is vertically arranged at the other end of the connecting plate 31 and is used to connect the back side of the decorative plate.

[0030] When the decorative panel needs to be installed, first lay out the lines on the wall according to the drawing, locate the bolt holes 13 and the self-tapping screw holes 14, and then drill holes at the located positions. Then lean the vertical plate 11 on the horizontal guide rail 1 against the wall, and insert the nuts 15 on the back of the vertical plate 11 into the pre-punched holes, so that the back of the horizontal guide rail 1 should fit the wall, and then pass the self-tapping screws through the pre-punched self-tapping screw holes 14 on the vertical plate 11 and fix them to the wall.

[0031] Then, the center connecting member 2 is embedded in the horizontal guide rail 1, so that the horizontal plate 12 on the horizontal guide rail 1 is inserted into the slot 27 between the middle plate 21 and the pressure plate 24, and the middle plate 21 is made to contact the lower end surface of the horizontal plate 12. Then, the screw 261 is controlled to rotate, and under the action of the screw 261 and the washer 262, the position of the center connecting member 2 is initially fixed, and the back clearance distance between the center connecting member 2 and the wall can also be adjusted.

[0032] Then, the outer plate 33 on the panel back buckle 3 is pressed against the back side of the decorative panel, and then the panel back buckle 3 is installed and fixed using self-tapping screws. Subsequently, the inner plate 32 on the panel back buckle 3 on the back of the decorative panel is vertically inserted into the clamping groove 28 formed between the upper plate 23 and the clamping plate 25 to achieve the clamping and fixing of the decorative panel.

[0033] Then, the decorative panel is controlled to drive the panel back buckle 3 to slide along the length direction of the horizontal guide rail 1, so as to adjust the horizontal position of the decorative panel. Then, the screw 261 is controlled to rotate, so that the screw 261 and the washer 262 drive the central connector 2 to slide, and the central connector 2 drives the panel back buckle 3 and the decorative panel to slide synchronously, so as to adjust the back clearance distance of the decorative panel, so that all the decorative panels are in the same horizontal plane position, and the installation and fixation of the decorative panels are completed.

[0034] Therefore, by setting up a dry hanging system with adjustable back clearance, reliable connection and easy installation, it is possible to cope with uneven walls and provide 5mm back clearance adjustment space. At the same time, it has high structural strength and is suitable for heavier stone and tile dry hanging finishes. The decorative panels can be installed by dry hanging, which is quick to install.

[0035] like Figure 2 , Figure 3 , Figure 4 As shown, a fine-adjustment mechanism 4 for controlling the vertical sliding movement of the inner plate 32 in the clamping groove 28 is provided on the clamping plate 25 , and the fine-adjustment mechanism 4 includes a slider 41 , a slide rod 42 and a driving member 5 .

[0036] like Figure 2 , Figure 3 , Figure 4As shown, the slider 41 is horizontally slidably connected to the inner side wall of the clamping plate 25, and the sliding rod 42 is cylindrical and horizontally arranged on the slider 41. The clamping plate 25 is horizontally provided with a strip hole 43 for the sliding rod 42 to slide, and the upper plate 23 is obliquely provided with a long strip sliding hole 44 for the sliding rod 42 to slide. The back side of the upper plate 23 is horizontally provided with a sliding groove 45 for the sliding rod 42 to slide horizontally, so as to increase the stability of the sliding rod 42 during the sliding process.

[0037] like Figure 2 , Figure 3 , Figure 4 As shown, the driving member 5 is used to control the horizontal sliding of the slider 41, and the driving member 5 includes a pair of driving seats 51, a screw rod 52 and a hand wheel 53. The driving seats 51 are arranged at both ends of the clamping plate 25, the screw rod 52 is horizontally rotatably connected to the pair of driving seats 51, and is threadedly connected to the slider 41, and the hand wheel 53 is arranged at the end of the screw rod 52.

[0038] When the decorative panel is hung, the control hand wheel 53 drives the screw rod 52 to rotate, thereby realizing the horizontal adjustment of the slider 41 and the slide rod 42. At this time, under the cooperation of the slide rod 42 and the inclined slide hole 44, the control panel back buckle 3 slides in the vertical direction to realize the vertical position adjustment of the decorative panel.

[0039] Embodiment 2: A method for installing a decorative panel comprises the following steps: S1, positioning the foundation wall, laying out the lines on the wall according to the drawings, and locating the positions of the bolt holes 13 and the self-tapping screw holes 14, and then drilling holes at the located positions, wherein the diameter of the bolt hole 13 is 2 mm larger than the outer diameter of the nut 15, and the depth is 1 mm larger than the thickness of the nut 15.

[0040] S2, install the horizontal guide rail 1, lean the vertical plate 11 on the horizontal guide rail 1 against the wall, and embed the nuts 15 on the back of the vertical plate 11 into the pre-punched holes, so that the back of the horizontal guide rail 1 should fit the wall, and then pass the self-tapping screws through the pre-punched self-tapping screw holes 14 on the vertical plate 11 and fix it to the wall.

[0041] S3, install the center connector 2, and embed the center connector 2 on the horizontal guide rail 1, so that the cross plate 12 on the horizontal guide rail 1 is inserted into the slot 27 between the middle plate 21 and the pressure plate 24, and the middle plate 21 contacts the lower end surface of the cross plate 12, and then control the screw 261 to rotate, and under the action of the screw 261 and the washer 262, the position of the center connector 2 is initially fixed, and the back gap distance between the center connector 2 and the wall can also be adjusted. The back gap size is adjustable from 17-22mm, so a wire conduit with a diameter of 22mm can be laid.

[0042] S4, install the panel back buckle 3, make the outer plate 33 on the panel back buckle 3 contact the back side of the decorative plate, and then use self-tapping screws to install and fix the panel back buckle 3.

[0043] S5, hanging the decorative panel: vertically insert the inner panel 32 on the panel back buckle 3 on the back of the decorative panel into the clamping groove 28 formed between the upper panel 23 and the clamping plate 25 to realize the clamping and fixing of the decorative panel.

[0044] S6, fine-tuning in the horizontal direction, controlling the decorative panel to drive the panel back buckle 3 to slide along the length direction of the horizontal guide rail 1, with a maximum sliding distance of 12 mm, to achieve horizontal position adjustment of the decorative panel.

[0045] S7, fine-tuning in the vertical direction, control the hand wheel 53 to drive the screw 52 to rotate, so as to realize the horizontal adjustment of the slider 41 and the slide rod 42. At this time, under the cooperation of the slide rod 42 and the inclined slide hole 44, the back buckle 3 of the control panel is controlled to slide along the vertical direction, with a maximum sliding distance of 8mm, to realize the vertical position adjustment of the decorative panel.

[0046] S8, back clearance distance adjustment, control the screw 261 to rotate, so that the screw 261 and the washer 262 drive the center connecting part 2 to slide, and the center connecting part 2 drives the panel back buckle 3 and the decorative panel to slide synchronously, thereby realizing the back clearance distance adjustment of the decorative panel, so that all the decorative panels are in the same horizontal position.

[0047] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, such modifications are protected by the patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A dry hanging system for decorative panels, characterized in that: include: The horizontal guide rail (1) is L-shaped in cross section and comprises a vertical plate (11) and a horizontal plate (12), wherein the vertical plate (11) is attached to a wall surface, and the horizontal plate (12) is horizontally arranged at the upper end of the vertical plate (11), and a plurality of bolt holes (13) and a plurality of self-tapping screw holes (14) are arranged at intervals on the vertical plate (11), wherein the self-tapping screw holes (14) are arranged in groups of two and are distributed on both sides of the bolt holes (13), and a nut (15) is welded and fixed on the back side of the vertical plate (11), and the nut (15) is aligned with the bolt hole (13); The central connecting member (2) is arranged in a Z-shaped cross section, and comprises a middle plate (21), a lower plate (22), an upper plate (23), a pressure plate (24), a clamping plate (25) and a fastener (26), wherein the middle plate (21) is arranged horizontally and fits the lower end surface of the horizontal plate (12), the lower plate (22) is arranged vertically at one end of the middle plate (21) and contacts the side wall of the vertical plate (11), and the upper plate (23) is arranged vertically on the middle plate ( The other end of the upper plate (21) is attached to the side wall of the horizontal plate (12), the pressing plate (24) is horizontally arranged on the back side of the upper plate (23), and a slot (27) is formed between the pressing plate (24) and the middle plate (21) for the horizontal plate (12) to be embedded, the clamping plate (25) is vertically arranged on the upper end surface of the pressing plate (24), and a clamping slot (28) is formed between the clamping plate (25) and the upper plate (23), and the fastener (26) is used to fix the lower plate (22); The panel back buckle (3) has a Z-shaped cross section and comprises a connecting plate (31), an inner plate (32) and an outer plate (33). The connecting plate (31) is horizontally arranged and presses the upper end surface of the upper plate (23). The inner plate (32) is vertically arranged at one end of the connecting plate (31) and is used to be inserted into the clamping groove (28). The outer plate (33) is vertically arranged at the other end of the connecting plate (31) and is used to connect the back side of the decorative plate.

2. A dry hanging system for decorative panels according to claim 1, characterized in that: The fastener (26) comprises a screw (261) and a washer (262), wherein the screw (261) is used to penetrate the bolt hole (13) and is threadedly connected to the nut (15), and the washer (262) is fixed to the outer wall of the screw (261) and clamps the inner side of the lower plate (22).

3. A dry hanging system for decorative panels according to claim 1, characterized in that: A clamping strip (34) for clamping the outer wall of the upper plate (23) is horizontally arranged on the lower end surface of the connecting plate (31).

4. A dry hanging system for decorative panels according to claim 1, characterized in that: The clamping plate (25) is provided with a fine adjustment mechanism (4) for controlling the vertical sliding movement of the inner plate (32) in the clamping groove (28).

5. A dry hanging system for decorative panels according to claim 4, characterized in that: The fine-tuning mechanism (4) comprises a slider (41), a slide rod (42) and a driving member (5); the slider (41) is horizontally slidably connected to the inner wall of the clamping plate (25); the slide rod (42) is cylindrical and horizontally arranged on the slider (41); the clamping plate (25) is horizontally provided with a strip hole (43) for the slide rod (42) to slide; the upper plate (23) is obliquely provided with a long strip slide hole (44) for the slide rod (42) to slide; and the driving member (5) is used to control the horizontal sliding of the slider (41).

6. A dry hanging system for decorative panels according to claim 5, characterized in that: The driving member (5) comprises a pair of driving seats (51), a screw rod (52) and a hand wheel (53); the driving seats (51) are arranged at both ends of the clamping plate (25); the screw rod (52) is horizontally rotatably connected to the pair of driving seats (51) and is threadedly connected to the slider (41); and the hand wheel (53) is arranged at the end of the screw rod (52).

7. A dry hanging system for decorative panels according to claim 5, characterized in that: A sliding groove (45) for the sliding rod (42) to slide horizontally is horizontally arranged on the back side of the upper plate (23).

8. A method for installing a decorative panel, used for installing the dry hanging system of the decorative panel according to any one of claims 1 to 7, characterized in that: The steps include: S1, positioning the base wall, laying out the lines on the wall according to the drawings, and locating the positions of the bolt holes (13) and the self-tapping screw holes (14), and then drilling holes at the located positions, wherein the hole diameter of the bolt hole (13) is 2 mm larger than the outer diameter of the nut (15), and the depth is 1 mm larger than the thickness of the nut (15); S2, install the horizontal guide rail (1), place the vertical plate (11) on the horizontal guide rail (1) against the wall, and insert the nut (15) on the back side of the vertical plate (11) into the pre-punched hole, so that the back of the horizontal guide rail (1) should be in contact with the wall, and then pass the self-tapping screws through the pre-punched self-tapping screw holes (14) on the vertical plate (11) and fix it to the wall; S3, install the central connecting piece (2), embed the central connecting piece (2) on the horizontal guide rail (1), insert the horizontal plate (12) on the horizontal guide rail (1) into the slot (27) between the middle plate (21) and the pressure plate (24), and make the middle plate (21) contact the lower end surface of the horizontal plate (12), then control the screw (261) to rotate, and under the action of the screw (261) and the washer (262), the position of the central connecting piece (2) is initially fixed, and the back gap distance between the central connecting piece (2) and the wall surface can also be adjusted. The back gap size is adjustable from 17-22 mm, so a wire tube with a diameter of 22 mm can be laid; S4, installing the panel back buckle (3), making the outer plate (33) on the panel back buckle (3) contact the back side of the decorative plate, and then using self-tapping screws to install and fix the panel back buckle (3); S5, hanging the decorative panel: vertically inserting the inner panel (32) on the panel back buckle (3) on the back of the decorative panel into the clamping groove (28) formed between the upper panel (23) and the clamping plate (25), so as to realize the clamping and fixing of the decorative panel; S6, horizontal fine adjustment, controlling the decorative plate to drive the panel back buckle (3) to slide along the length direction of the horizontal guide rail (1), with a maximum sliding distance of 12 mm, to achieve horizontal position adjustment of the decorative plate; S7, fine adjustment in the vertical direction, the hand wheel (53) is controlled to drive the screw (52) to rotate, thereby realizing the horizontal adjustment of the slider (41) and the slide rod (42). At this time, under the cooperation of the slide rod (42) and the inclined slide hole (44), the back buckle (3) of the control panel is controlled to slide in the vertical direction, with a maximum sliding distance of 8mm, so as to realize the vertical position adjustment of the decorative panel; S8, back clearance distance adjustment, control the screw (261) to rotate, so that the screw (261) and the washer (262) drive the central connecting member (2) to slide, and the central connecting member (2) drives the panel back buckle (3) and the decorative panel to slide synchronously, thereby realizing the back clearance distance adjustment of the decorative panel, so that all the decorative panels are in the same horizontal plane position.

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