Dry hanging stone fixing device

Abstract

The invention relates to the technical field of stones, in particular to a dry hanging stone fixing device. According to the technical scheme, the two-section adjusting assembly comprises a main connecting block, an upper positioning piece is fixedly installed at the top end of the main connecting block, a lower positioning piece is fixedly installed at the bottom of the main connecting block, the upper positioning piece and the main connecting block are each of an L-shaped structure, and the main connecting block slides front and back in a keel frame; and the side part of the main connecting block is rotationally connected with an adjusting screw. The elastic circular ring is extruded to be deformed into an oval shape, so that the spiral-lacking plate slides towards the center of the adjusting screw, the spiral-lacking plate and threads of the keel frame are staggered, the insertion depth of the adjusting screw can be rapidly adjusted, namely, the positions of the upper positioning piece and the main connecting block are rapidly adjusted, then the elastic circular ring is loosened, and the sliding block and the spiral-lacking plate are reset; and the spiral-lacking plate is in threaded connection with the keel frame again, and then the adjusting screw is finely adjusted, so that the mounting efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of stone technology, and in particular to a dry-hanging stone fixing device. Background Technology

[0002] Dry-hanging stone is a new type of wall decoration construction technique in contemporary decorative materials. It sets the main stress points on the main structure and uses corrosion-resistant bolts and flexible connectors to directly suspend granite, artificial marble and other decorative stones on the wall or hang them on the steel frame. A cavity of 40-50mm is left between the stone and the structure to form a stone decorative curtain wall, which is widely used for the exterior wall decoration of various building projects.

[0003] The patent document with publication number CN117513617A proposes a fixing mechanism and installation method for dry-hanging stone cladding on building facades. It incorporates a limiting strip and anti-fall tie rod to enhance the fixing strength of the mounting brackets to the dry-hanging stone, thereby preventing damage to the fixing mechanism and potential stone detachment that could cause safety accidents. Furthermore, an anti-seepage component is installed, guiding water from the surface of the dry-hanging stone into a drainage ditch via a water-receiving eaves, reducing the water flow on the surface of the stone. This reduces the risk of water seepage through the gaps in the stone cladding, thus minimizing damage to the internal mounting brackets and fixing mechanism and reducing the risk of stone detachment due to damage to the fixing mechanism. This makes the use of dry-hanging stone cladding on building facades safer and more stable.

[0004] However, the different thicknesses of the stone and the errors during cutting can lead to gaps between the fixing mechanism and the stone, or even prevent them from being properly aligned and fixed. This makes it difficult to adjust the position of the fixing mechanism and affects the efficiency of dry-hanging stone. Summary of the Invention

[0005] The purpose of this invention is to address the problem in the prior art where the invariable adjustment of the fixed mechanism position affects the efficiency of dry-hanging stone, and to propose a dry-hanging stone fixing device.

[0006] The technical solution of the present invention: a dry-hanging stone fixing device, comprising multiple vertically distributed vertical frames, and multiple horizontally distributed keel frames fixedly installed on the sides of the multiple vertical frames; The two-stage adjustment assembly includes a main connecting block. An upper positioning plate is fixedly installed at the top of the main connecting block, and a lower positioning plate is fixedly installed at the bottom of the main connecting block. Both the upper positioning plate and the main connecting block adopt an L-shaped structure. The main connecting block slides back and forth inside the keel frame. An adjusting screw is rotatably connected to the side of the main connecting block. A notched spiral plate is slidably connected to the shaft of the adjusting screw. The notched spiral plate is threadedly connected to the keel frame. A slider is fixedly installed at the end of the notched spiral plate, and an elastic ring is fixedly installed at the end of the slider. The vertical frame and the keel frame form a square structure, and the upper positioning plate inside the square structure is connected to the main connecting block with decorative stone. A positioning component is provided in the middle of the main connecting block, and sealing components are provided on both the upper positioning plate and the horizontal part of the main connecting block.

[0007] Optionally, two missing spiral plates are provided, and the threads on the two missing spiral plates are cut from the same spiral. The top of the slider is slidably connected to the adjusting screw. Two symmetrically arranged guide rods are fixedly installed on the inner arc surface of the elastic ring. The guide rods are slidably connected to the adjusting screw, and the ends of the guide rods abut against the inner wall of the adjusting screw.

[0008] Optionally, a positioning ring is inserted into the inner arc surface of the elastic ring. The positioning ring has a clearance groove for the clearance slider and guide rod on the side facing the keel frame. The positioning ring completely fills the elastic ring. The side of the positioning ring contacts the keel frame. A magnet is fixedly installed on the side of the positioning ring facing the keel frame.

[0009] Optionally, the depth of the screw head portion of the adjusting screw is deeper than the depth of the elastic ring, the elastic ring is coaxial with the adjusting screw, and the upper positioning plate and the main connecting block slide back and forth along the keel frame.

[0010] Optionally, the positioning component includes a double-folded plate, both ends of which are rotatably connected to pins. The bottom of the double-folded plate is rotatably connected to a secondary connecting block via pins. The top of the double-folded plate is rotatably connected to a main connecting block. The bottom of the secondary connecting block is fixedly connected to a lower positioning piece via pins. A positioning abutment block is slidably connected inside the keel frame. The end of the positioning abutment block contacts the double-folded plate. A magnet is fixedly installed at the end of the positioning abutment block, and the magnet is attracted to the side of the double-folded plate.

[0011] Optionally, two symmetrically arranged vertical plates are fixedly installed at the bottom of the elastic ring, and a stop block is fixedly installed between the two vertical plates. The stop block is located at the end of the positioning block and obstructs the positioning block.

[0012] Optionally, the thickness of the vertical plate is greater than the thickness of the stop block, and a protrusion is fixedly installed at the end of the positioning block, the protrusion extending from between the stop block and the vertical plate.

[0013] Optionally, the sealing assembly includes a sealing pad, which is fixedly installed on the vertical portion of the upper positioning plate. The horizontal portion of the upper positioning plate and the side near the sealing pad have a receiving groove, and the side of the sealing pad is in contact with the decorative stone.

[0014] Optionally, the sealing gasket has a stepped structure, the receiving groove completely accommodates the sealing gasket, and a sealing component is also provided on the main connecting block.

[0015] Optionally, a small airbag is fixedly installed at the bottom of the upper positioning plate, and an air hole is opened inside the upper positioning plate. The end of the air hole is connected to an airbag plate fixedly installed inside the sealing pad.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects: This invention uses the compression of an elastic ring to deform it into an ellipse, causing the missing spiral plate to slide towards the center of the adjusting screw. The missing spiral plate is misaligned with the thread of the keel frame, which allows for quick adjustment of the insertion depth of the adjusting screw, i.e., quick adjustment of the position of the upper positioning plate and the main connecting block. Then, the elastic ring is released, the slider and the missing spiral plate are reset, and the missing spiral plate is reconnected to the thread of the keel frame. Then, the adjusting screw is finely adjusted, improving installation efficiency.

[0017] Furthermore, the upper and lower positioning plates on the same main connecting block connect two adjacent decorative stones together, improving installation stability. When replacing a single decorative stone, the folding double-folding plate slides the lower positioning plate connected to it upwards, allowing the lower positioning plate to be removed from the slot of the decorative stone. This allows the damaged decorative stone to be removed individually. Under normal use, the positioning block is located between the main connecting block and the secondary connecting block, preventing the double-folding plate from folding and improving the stability of the lower positioning plate in fixing the decorative stone.

[0018] Furthermore, after the decorative stone is installed on the upper positioning plate, the sealing pad deforms to better fit the decorative stone. At the same time, the airbag is squeezed and gas is filled into the airbag. The airbag expands and cooperates with the deformation of the sealing pad to improve the sealing effect of the sealing pad, preventing rainwater from entering the interior of the decorative stone and preventing rainwater and dust from entering the slot of the decorative stone, which would cause the adhesive to fail. Attached Figure Description

[0019] Figure 1 A schematic diagram of the overall structure of one embodiment of the present invention is provided; Figure 2 This is a schematic diagram of the upper positioning plate structure; Figure 3 This is a cross-sectional view of the keel frame structure; Figure 4 This is a schematic diagram of a structure without a spiral plate. Figure 5 This is a schematic diagram of the positioning block structure; Figure 6 This is a schematic diagram of the sealing gasket structure; Figure 7 This is a schematic diagram of the left-side cross-section of the facing stone structure.

[0020] Reference numerals: 1. Vertical frame; 2. Keel frame; 3. Facing stone; 4. Two-stage adjustment assembly; 41. Upper positioning plate; 42. Main connecting block; 43. Lower positioning plate; 44. Adjusting screw; 45. Spiral plate; 46. Slider; 47. Elastic ring; 48. Guide rod; 49. Positioning retaining ring; 5. Positioning assembly; 51. Double folding plate; 52. Secondary connecting block; 53. Positioning stop block; 54. Protrusion; 55. Vertical plate; 56. Stop block; 57. Pin; 6. Sealing assembly; 61. Sealing gasket; 62. Receiving groove; 63. Small airbag; 64. Air hole; 65. Airbag plate. Detailed Implementation

[0021] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0022] The components of the embodiments of the invention described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0023] Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0026] Example 1 This embodiment proposes a dry-hanging stone fixing device, such as... Figure 1and Figure 2 As shown, it includes multiple vertically distributed vertical frames 1, and multiple horizontally distributed keel frames 2 are fixedly installed on the sides of the multiple vertical frames 1. The vertical frames 1 and the keel frames 2 form a square structure, and the square structure contains decorative stone 3.

[0027] like Figure 3 and Figure 4 As shown, a two-section adjustment component 4 is provided in the middle of the keel frame 2. The two-section adjustment component 4 includes a main connecting block 42. An upper positioning piece 41 is fixedly installed at the top of the main connecting block 42, and a lower positioning piece 43 is fixedly installed at the bottom of the main connecting block 42. Both the upper positioning piece 41 and the main connecting block 42 adopt an L-shaped structure. Slots are opened on both the upper and lower sides of the decorative stone 3. The slots are filled with colloid. The upper positioning piece 41 and the main connecting block 42 are inserted into the slots to fix the position of the decorative stone 3.

[0028] The main connecting block 42 slides back and forth inside the keel frame 2. An adjusting screw 44 is rotatably connected to the side of the main connecting block 42. A notched spiral plate 45 is slidably connected to the shaft of the adjusting screw 44. The notched spiral plate 45 is threadedly connected to the keel frame 2. By rotating the adjusting screw 44, the notched spiral plate 45 is screwed along the keel frame 2, thereby adjusting the position of the main connecting block 42 to change the position of the upper positioning plate 41 and the lower positioning plate 43, so as to adapt to the decorative stone 3 of different thicknesses and stably insert it into the slot, while avoiding the error that exists when cutting the slot on the decorative stone 3.

[0029] like Figure 3 and Figure 4 As shown, a slider 46 is fixedly installed at the end of the missing spiral plate 45, and an elastic ring 47 is fixedly installed at the end of the slider 46. The elastic ring 47 is deformed into an ellipse, causing the slider 46 to slide towards the center of the adjusting screw 44. The missing spiral plate 45 also slides towards the center of the adjusting screw 44, causing the threads of the missing spiral plate 45 to misalign with those of the keel frame 2. This allows for quick adjustment of the insertion depth of the adjusting screw 44, which in turn quickly adjusts the positions of the upper positioning piece 41 and the main connecting block 42. Subsequently, the elastic ring 47 is released, the slider 46 and the missing spiral plate 45 return to their original positions, and the missing spiral plate 45 is reconnected to the keel frame 2 via threads.

[0030] Two symmetrically arranged guide rods 48 are fixedly installed on the inner arc surface of the elastic ring 47. The guide rods 48 are slidably connected to the adjusting screw 44, and the ends of the guide rods 48 abut against the inner wall of the adjusting screw 44. The guide rods 48 guide the movement while preventing pressure on the part of the elastic ring 47 near the guide rods 48, thus sliding the slider 46 out.

[0031] The depth of the screw head of the adjusting screw 44 is greater than the depth of the elastic ring 47. The elastic ring 47 and the adjusting screw 44 are coaxial. The upper positioning piece 41 and the main connecting block 42 slide back and forth along the keel frame 2. This prevents the elastic ring 47 from obstructing the screw head of the adjusting screw 44, thus preventing the adjusting screw 44 from rotating properly.

[0032] like Figure 5 As shown, a positioning ring 49 is inserted into the inner arc surface of the elastic ring 47. The positioning ring 49 has a clearance groove for the sliding block 46 and guide rod 48 on the side facing the keel frame 2. The positioning ring 49 completely fills the elastic ring 47, and its side contacts the keel frame 2. A magnet is fixedly installed on the side of the positioning ring 49 facing the keel frame 2. The positioning ring 49 is inserted between the adjusting screw 44 and the elastic ring 47 to prevent the elastic ring 47 from being deformed by impact during daily use. Simultaneously, the magnet fixes the positioning ring 49 to the side of the keel frame 2.

[0033] The upper decorative stone 3 presses down on the upper positioning piece 41, so that the main connecting block 42 is stably inserted into the slot of the lower decorative stone 3, so as to connect the two adjacent decorative stones 3 together, improve the installation stability, and share the wind pressure when exposed to wind.

[0034] In this embodiment, by squeezing the elastic ring 47 to deform it into an ellipse, the missing spiral plate 45 slides towards the center of the adjusting screw 44. The missing spiral plate 45 is misaligned with the thread of the keel frame 2, which allows for quick adjustment of the insertion depth of the adjusting screw 44, i.e., quick adjustment of the position of the upper positioning piece 41 and the main connecting block 42. Then, the elastic ring 47 is released, the slider 46 and the missing spiral plate 45 are reset, and the missing spiral plate 45 is reconnected to the thread of the keel frame 2. Then, the adjusting screw 44 is finely adjusted to improve the adjustment efficiency. The upper positioning piece 41 and the lower positioning piece 43 on the same main connecting block 42 connect two adjacent decorative stones 3 together, improving the installation stability.

[0035] Example 2 Based on Embodiment 1, this embodiment proposes a dry-hanging stone fixing device, such as... Figure 3 As shown, a positioning component 5 is provided in the middle of the main connecting block 42. The positioning component 5 includes a double folding plate 51. Both ends of the double folding plate 51 are rotatably connected to pins 57. The bottom of the double folding plate 51 is rotatably connected to a secondary connecting block 52 through pins 57. The top of the double folding plate 51 is rotatably connected to the main connecting block 42. The bottom of the secondary connecting block 52 is fixedly connected to the lower positioning piece 43 through pins 57. A positioning abutment block 53 is slidably connected inside the keel frame 2. The end of the positioning abutment block 53 contacts the double folding plate 51. The double folding plate 51 can only be folded in the direction of the positioning abutment block 53. A magnet is fixedly installed at the end of the positioning abutment block 53. The magnet is attracted to the side of the double folding plate 51.

[0036] Since the upper positioning piece 41 and the main connecting block 42 connect two adjacent decorative stones 3 together, when a single decorative stone 3 is damaged, it is not possible to directly remove the damaged decorative stone 3. By using the folding function of the double folding plate 51, the lower positioning piece 43 connected to it can be slid upward by folding the double folding plate 51, so that the lower positioning piece 43 can be removed from the slot of the decorative stone 3, and the damaged decorative stone 3 can be removed separately.

[0037] In the fixed state, the positioning block 53 abuts against the side of the double-folded plate 51, preventing it from folding and keeping the double-folded plate 51 vertical. This allows the positioning block 53 to be stably inserted into the slot of the facing stone 3. Even if vibration causes the positioning block 53 to separate from the double-folded plate 51, the magnet will reset the positioning block 53, preventing the double-folded plate 51 from folding again. Even if the positioning block 53 separates from the double-folded plate 51, because the positioning block 53 is located between the main connecting block 42 and the secondary connecting block 52, the secondary connecting block 52 and the main connecting block 42 cannot move towards each other, i.e., the lower positioning piece 43 cannot move.

[0038] like Figure 5 As shown, two symmetrically arranged vertical plates 55 are fixedly installed at the bottom of the elastic ring 47, and a stop block 56 is fixedly installed between the two vertical plates 55. The stop block 56 is located at the end of the positioning block 53 and obstructs the positioning block 53.

[0039] The stop block 56 prevents the positioning block 53 from being pulled out between the main connecting block 42 and the secondary connecting block 52. Even if the main connecting block 42 changes position, when the distance between the positioning block 53 and the stop block 56 is at its maximum value, the distance that the positioning block 53 needs to move to be completely pulled out between the main connecting block 42 and the secondary connecting block 52 is greater than the maximum distance between the positioning block 53 and the stop block 56, so that the positioning block 53 is always blocked between the main connecting block 42 and the secondary connecting block 52.

[0040] In this embodiment, since the upper positioning piece 41 and the main connecting block 42 connect two adjacent decorative stones 3 together, when replacing a single decorative stone 3, the folding double folding plate 51 slides the lower positioning piece 43 connected to it upwards, so that the lower positioning piece 43 can be removed from the slot of the decorative stone 3, and the damaged decorative stone 3 can be removed separately. In normal use, the positioning block 53 is located between the main connecting block 42 and the secondary connecting block 52, so that the double folding plate 51 cannot be folded. Even if the positioning block 53 is separated from the double folding plate 51 due to vibration, the positioning block 53 can be reset by magnet, thereby improving the stability of the lower positioning piece 43 in fixing the decorative stone 3.

[0041] Example 3 Based on Embodiment 1 or Embodiment 2 above, this embodiment proposes a dry-hanging stone fixing device, such as... Figure 6 and Figure 7 As shown, sealing components 6 are provided on the horizontal portions of the upper positioning plate 41 and the main connecting block 42. Each sealing component 6 includes a sealing gasket 61, which is fixedly installed on the vertical portion of the upper positioning plate 41. A receiving groove 62 is provided on the horizontal portion of the upper positioning plate 41, near the sealing gasket 61. The side of the sealing gasket 61 contacts the facing stone 3. The sealing gasket 61 has a stepped structure, and the receiving groove 62 completely accommodates the sealing gasket 61. Sealing components 6 are also provided on the main connecting block 42. By ensuring the upper positioning plate 41 fully conforms to the facing stone 3, the sealing gasket 61 deforms and enters the receiving groove 62.

[0042] A small airbag 63 is fixedly installed at the bottom of the upper positioning plate 41. An air hole 64 is opened inside the upper positioning plate 41, and the end of the air hole 64 is connected to an airbag plate 65 fixedly installed inside the sealing pad 61.

[0043] After the upper positioning piece 41 is inserted into the decorative stone 3, the airbag piece 65 is squeezed and gas is filled into the airbag piece 65. The airbag piece 65 expands and cooperates with the deformation of the sealing pad 61 to improve the sealing effect of the sealing pad 61.

[0044] In this embodiment, after the decorative stone 3 is installed on the upper positioning piece 41, the sealing pad 61 deforms to better fit the decorative stone 3. At the same time, the airbag piece 65 is squeezed and gas is filled into the airbag piece 65. The airbag piece 65 expands and cooperates with the deformation of the sealing pad 61 to improve the sealing effect of the sealing pad 61, prevent rainwater from entering the interior of the decorative stone 3, and prevent rainwater and dust from entering the slot of the decorative stone 3, which would cause the adhesive effect of the glue to fail.

[0045] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A dry-hanging stone fixing device, comprising: Multiple vertically distributed vertical frames (1), with multiple horizontally distributed keel frames (2) fixedly installed on the sides of the multiple vertical frames (1), characterized in that: The two-stage adjustment assembly (4) includes a main connecting block (42). An upper positioning plate (41) is fixedly installed at the top of the main connecting block (42), and a lower positioning plate (43) is fixedly installed at the bottom of the main connecting block (42). Both the upper positioning plate (41) and the main connecting block (42) adopt an L-shaped structure. The main connecting block (42) slides back and forth inside the keel frame (2). An adjusting screw (44) is rotatably connected to the side of the main connecting block (42). A missing spiral plate (45) is slidably connected to the rod of the adjusting screw (44). The missing spiral plate (45) is threadedly connected to the keel frame (2). A slider (46) is fixedly installed at the end of the missing spiral plate (45), and an elastic ring (47) is fixedly installed at the end of the slider (46). The vertical frame (1) and the keel frame (2) form a square structure, and the upper positioning piece (41) and the main connecting block (42) inside the square structure are connected with decorative stone (3). A positioning component (5) is provided in the middle of the main connecting block (42), and a sealing component (6) is provided in the horizontal part of the upper positioning piece (41) and the main connecting block (42).

2. The dry-hanging stone fixing device according to claim 1, characterized in that: Two missing spiral plates (45) are provided, and the threads on the two missing spiral plates (45) are cut from the same spiral. The top of the slider (46) is slidably connected to the adjusting screw (44). Two symmetrically arranged guide rods (48) are fixedly installed on the inner arc surface of the elastic ring (47). The guide rods (48) are slidably connected to the adjusting screw (44), and the ends of the guide rods (48) abut against the inner wall of the adjusting screw (44).

3. The dry-hanging stone fixing device according to claim 2, characterized in that: A positioning ring (49) is inserted into the inner arc surface of the elastic ring (47). The positioning ring (49) has a clearance groove for a clearance slider (46) and a guide rod (48) on the side facing the keel frame (2). The positioning ring (49) completely fills the elastic ring (47). The side of the positioning ring (49) contacts the keel frame (2). A magnet is fixedly installed on the side of the positioning ring (49) facing the keel frame (2).

4. The dry-hanging stone fixing device according to claim 1, characterized in that: The depth of the screw head of the adjusting screw (44) is deeper than the depth of the elastic ring (47). The elastic ring (47) is coaxial with the adjusting screw (44). The upper positioning piece (41) and the main connecting block (42) slide back and forth along the keel frame (2).

5. A dry-hanging stone fixing device according to claim 3, characterized in that: The positioning component (5) includes a double folding plate (51), both ends of which are rotatably connected to pins (57). The bottom of the double folding plate (51) is rotatably connected to a secondary connecting block (52) via pins (57). The top of the double folding plate (51) is rotatably connected to a main connecting block (42). The bottom of the secondary connecting block (52) is fixedly connected to a lower positioning piece (43) via pins (57). A positioning abutment block (53) is slidably connected inside the keel frame (2). The end of the positioning abutment block (53) contacts the double folding plate (51). A magnet is fixedly installed at the end of the positioning abutment block (53), and the magnet is attracted to the side of the double folding plate (51).

6. A dry-hanging stone fixing device according to claim 5, characterized in that: Two symmetrically arranged vertical plates (55) are fixedly installed at the bottom of the elastic ring (47), and a stop block (56) is fixedly installed between the two vertical plates (55). The stop block (56) is located at the end of the positioning block (53) and obstructs the positioning block (53).

7. A dry-hanging stone fixing device according to claim 6, characterized in that: The thickness of the vertical plate (55) is greater than that of the stop block (56), and a protrusion (54) is fixedly installed at the end of the positioning block (53), the protrusion (54) extending from between the stop block (56) and the vertical plate (55).

8. A dry-hanging stone fixing device according to claim 1, characterized in that: The sealing assembly (6) includes a sealing pad (61), which is fixedly installed on the vertical part of the upper positioning plate (41). The horizontal part of the upper positioning plate (41) and the side near the sealing pad (61) are provided with a receiving groove (62). The side of the sealing pad (61) is in contact with the decorative stone (3).

9. A dry-hanging stone fixing device according to claim 8, characterized in that: The sealing pad (61) adopts a stepped structure, the receiving groove (62) completely accommodates the sealing pad (61), and the main connecting block (42) is also provided with a sealing component (6).

10. A dry-hanging stone fixing device according to claim 9, characterized in that: A small airbag (63) is fixedly installed at the bottom end of the upper positioning piece (41). An air hole (64) is opened inside the upper positioning piece (41). The end of the air hole (64) is connected to an airbag piece (65) fixedly installed inside the sealing pad (61).

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