TWM650246U - Improved dry hanging fasteners - Google Patents

Abstract

The invention discloses an improved dry-hanging fastener, which is formed by stamping and bending a metal plate and has a flat portion for flatly sticking to the inner surface of a large flat decoration. Both sides of the flat portion are respectively bent inward to form two connecting flat portions for inserting into the two connecting grooves cut by the large flat decoration. The center of the flat portion protrudes toward the opposite direction of the two combined flat portions to form a connecting slot. An opening is formed in the center of the connecting slot. The edge of the opening forms a clamping plate inwardly. Compared with the prior art, this new improved dry-hanging fastener replaces the circular opening with a square opening, and also forms a clamping plate at the opening. Using a clamping plate, the stainless steel connecting rod connecting two improved dry-hanging fasteners can be fixed without nuts and screws, saving labor and cost.

Description

Improved dry hanging fasteners

This new type of hardware is used for tiles and stone slabs, especially an improved dry-hanging fastener.

Dry hanging fasteners are a hardware tool commonly used in construction. Their function is to connect large tiles or stone slabs attached to buildings. Due to the heavy weight of these large tiles or stone slabs, if they are fixed with cement mortar on the surface of the building, their position will easily shift and the surface will not be aligned evenly. Dry-hanging fasteners replace cement mortar. In addition to effectively fixing large tiles and stone slabs, the detailed positions of the two can also be adjusted to make the appearance of the building neat and beautiful.

The structure of a dry hanging fastener can be found in the new patent number M596287. The patent discloses a stone plate fixing piece, which includes: a piece of body with an opposite penetrating end and an overlapping end. The body has an alignment channel extending from the penetrating end to the overlapping end, and forms A positioning hole; and two extension pieces are connected to both sides of the piece body, and an included angle is formed between each extension piece and the piece body. Cut the stone slab, use the extension piece to insert into the cutting groove, and use reinforcement glue to fix the two. Through the positioning hole, it is locked with the receiving plate fixed to the exterior wall of the building, so as to fix the stone slab to the exterior wall of the building. Purpose. The appearance of large tiles and stone slabs is the same, and the stone slab fasteners can also be used to fix them on the exterior walls of buildings. However, when two stone slabs are connected using stone slab fasteners, rods are needed to fix the stone slab fasteners. However, the rods will slide in the alignment channels. To fix the rods, an extra pair of screws and nuts are needed. Regardless of materials and construction, adding the pair of screws and nuts is an additional cost.

In order to reduce the construction cost of existing dry-hanging fasteners, this new improved dry-hanging fastener is proposed.

This paragraph extracts and compiles some features of this new model. Other features will be revealed in subsequent paragraphs. It is intended to cover various modifications and similar arrangements within the spirit and scope of the appended claims.

In order to meet the aforementioned needs, the present invention discloses an improved dry hanging fastener. The improved dry-hanging fastener is formed by stamping and bending a metal plate. It is characterized by: having a flat portion for flatly sticking to the inner surface of a large flat decoration; both sides of the flat portion are bent inward. Fold to form two connecting flat parts for inserting into the two connecting grooves cut by the large plane decoration; the center of the flat part protrudes in the opposite direction of the two connecting flat parts to form a connecting channel; the connecting channel An opening is formed in the center; and a clamping plate is formed inwardly from the edge of the opening.

Preferably, the opening is square in shape.

According to the present invention, the clamping plate is substantially perpendicular to the extending direction of the connecting slot.

According to the present invention, the connecting groove expands outward around a portion of the opening.

Preferably, the angle between the connecting flat portion and the flat portion is between 30 degrees and 60 degrees.

Preferably, the metal plate is made of stainless steel plate.

According to the present invention, a cutout is formed at the edge connecting the flat plate portion and the flat portion.

Preferably, the large-scale flat decoration is large-scale tiles or stone slabs.

Compared with the prior art, this new improved dry-hanging fastener replaces the circular opening with a square opening, and also forms a clamping plate at the opening. Using a clamping plate, the stainless steel connecting rod connecting two improved dry-hanging fasteners can be fixed without a set of nuts and screws, saving labor and cost.

The present invention will be described in more detail with reference to the following examples.

Please see Figures 1 to 3. Figure 1 is a perspective view of an improved dry-hanging fastener 1 according to an embodiment of the present invention. Figure 2 is a front view of the improved dry-hanging fastener 1. Figure 3 is an improved dry-hanging fastener. 1 rear view. The improved dry-hanging fastener 1 is formed by stamping and bending a metal plate. Considering the sturdiness, the material of the metal plate is preferably stainless steel plate.

In terms of shape, since it is stamped from a metal plate, the improved dry-hanging fastener 1 has a flat portion 10, and the flat portion 10 can be flatly attached to the inner surface of a large flat decoration. According to the present invention, the large-scale flat decoration may be large-scale tiles or stone slabs used for building exterior decoration. In this embodiment, large-scale tiles are used as an example for explanation. Both sides of the flat portion 10 are respectively bent inward to form two connecting flat portions 20 for inserting into the two connecting grooves cut in the large ceramic tile. For an explanation of this point, please see Figure 4, which is a schematic diagram of the improved dry-hanging fastener 1 embedded in a large ceramic tile 2. The large ceramic tile 2 has two symmetrically inclined coupling grooves 2a inward at the edges. The position of the combining groove 2a corresponds to a combining flat plate part 20, and the angle between it and the inner surface of the large ceramic tile 2 is also consistent with the angle α between the combining flat plate part 20 and the flat part 10. According to the present invention, the angle α between the flat plate portion 20 and the flat portion 10 is between 30 degrees and 60 degrees, preferably 45 degrees. In this way, the improved dry hanging fastener 1 can be inserted into the large ceramic tile 2 and combined with the large tile 2 by inserting the combining flat plate portion 20 into the combining groove 2a. A cutout 21 may be formed at the edge connecting the flat plate portion 20 and the flat portion 10 to facilitate the insertion of the flat plate portion 20 . In order to make the improved dry-hanging fastener 1 and the large tiles 2 more tightly combined and prevent them from falling off, the space between the improved dry-hanging fastener 1 and the large tiles 2 can be filled with reinforcement glue G1.

According to the present invention, the center of the flat portion 10 protrudes toward the opposite sides of the two connecting flat portions 20 to form a connecting slot 11 , and the connecting slot 11 passes through both sides of the connecting flat portion 20 . As shown in Figure 4, when connecting two adjacent improved dry-hanging fasteners 1 to relatively fix two large tiles 2, AB glue G2 can be added to the connecting slot 11 to bond and insert into the connecting slot 11. stainless steel connecting rod. An opening 12 is formed in the center of the connecting groove 11 . In this embodiment, the shape of the opening 12 is square, such as a rectangle, and the four corners of the opening 12 are arcs. The edge of the opening 12 forms a clamping plate 13 inward. Please see Figure 2 again. Preferably, the clamping plate 13 is formed by punching and bending the dotted line portion in the figure. In practice, the clamping plate 13 can also be a metal plate of appropriate size welded to the lower edge of the opening 12 . As shown in FIG. 3 , the clamping plate 13 is substantially perpendicular to the extending direction of the connecting slot 11 . It can also be seen from FIGS. 1 to 3 that the connecting groove 11 expands outward around the opening 12 .

Please see Figure 5, which is a cross-sectional view illustrating a method of using an improved dry-hanging fastener 1 to fix large ceramic tiles 2 to the exterior wall 3 of a building. It is suitable for use between two adjacent large ceramic tiles 2. Connect to use. A round hole (not shown) is provided on two mutually perpendicular panels of an L-shaped receiving plate 4. One panel is attached to the plane of the building's exterior wall 3, and an expansion screw 5 is passed through a round hole and then buried. Fixed in the building exterior wall 3. A stainless steel connecting rod 6 is inserted into the other round hole. The large tiles 2 above are equipped with an improved dry-hanging fastener 1 in the forward direction, and the large tiles 2 below are installed with an improved dry-hanging fastener 1 in the reverse direction. In this way, the stainless steel connecting rod 6 is clamped between the two clamping flat plates 13 of the improved dry-hanging fastener 1 . Coupled with the AB glue fixation, the large tiles 2 can be firmly fixed on the building exterior wall 3 by relying on the structure of "improved dry-hanging fastener 1-stainless steel connecting rod 6-L-shaped receiving plate 4-expansion screw 5". By adjusting the positions of the L-shaped receiving plate 4 and the expansion screws 5, the position and flatness of the large tiles 2 can also achieve the desired design. Two large tiles can be bonded with silicone glue to achieve waterproofing.

Please see Figure 6, which is a cross-sectional view showing another way of using an improved dry-hanging fastener 1 to fix large tiles 2 to the exterior wall 3 of a building. It is also suitable for two adjacent large tiles 2. used for connection between. This embodiment uses two L-shaped receiving plates 4 for connection. Like the previous embodiment, two mutually perpendicular panels of the L-shaped receiving plate 4 are provided with a circular hole (not shown), and one surface of the upper L-shaped receiving plate 4 is close to the plane of the building exterior wall 3 , an expansion screw 5 is passed through a round hole and then embedded in the exterior wall 3 of the building. Another round hole of the upper L-shaped receiving plate 4 is fixedly connected to a round hole of the lower inverted L-shaped receiving plate 4 through screws and nuts. A stainless steel connecting rod 6 is inserted into the other round hole of the lower L-shaped receiving plate 4. As in the previous embodiment, the large tiles 2 above are equipped with the improved dry-hanging fastener 1 in the forward direction, and the large tiles 2 below are installed with the improved dry-hanging fastener 1 in the reverse direction. The stainless steel connecting rod 6 is clamped between the two clamping plates 13 of the improved dry-hanging fastener 1 and fixed with AB glue. The large tiles 2 rely on the structure of "improved dry-hanging fastener 1-stainless steel connecting rod 6-L-shaped receiving plate 4-L-shaped receiving plate 4-expansion screw 5" to be firmly fixed on the building exterior wall 3. By adjusting the positions of the two L-shaped receiving plates 4 and the expansion screws 5, the position and flatness of the large tiles 2 can also achieve the desired design. Silicone glue can also be bonded between two large tiles to prevent moisture from penetrating through the gaps between them.

Please see Figure 7, which is a bird's-eye view, illustrating another way of using an improved dry-hanging fastener 1 to fix large ceramic tiles 2 to the exterior wall 3 of a building. Different from the previous embodiment, Figure 7 is suitable for fixing between the large tile 2 at the edge and the exterior wall 3 of the building. Two large tiles 2 are respectively fixed on two vertical sides of the building exterior wall 3 through a set of L-shaped receiving plates 4 and expansion screws 5. The installation direction of the improved dry-hanging fastener 1 in Figure 7 is the same as the improved dry-hanging fastener 1 at the bottom in Figure 5, but the screw rod 7 is used to pass through the opening 12 and locked into the large tile 2, and is fixed with AB glue. .

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some modifications and modifications without departing from the spirit and scope of the present invention. Therefore, The scope of protection of the present invention shall be determined by the appended patent application scope.

1:Improved dry hanging fastener 2: Large tiles 2a: Combination slot 3:Building exterior wall 4: L-shaped receiving plate 5:Expansion screw 6: Stainless steel connecting rod 7:Screw 10: Flat sticking part 11: Connection slot 12:Open hole 13: Card plate 20: Combined with the flat part 21: Incision G1: Reinforcement glue G2: AB glue α: included angle

Figure 1 is a perspective view of an improved dry hanging fastener according to an embodiment of the present invention.

Figure 2 is a front view of the improved dry-hanging fastener.

Figure 3 is a rear view of the improved dry hanging fastener.

Figure 4 is a schematic diagram of the improved dry-hanging fastener embedded in a large ceramic tile.

Figure 5 shows a method of using this improved dry-hanging fastener to fix large tiles to the exterior wall of a building.

Figure 6 shows another way of using this improved dry-hanging fastener to fix large tiles to the exterior wall of a building.

Figure 7 shows another way of using this improved dry-hanging fastener to fix large tiles to the exterior wall of a building.

1:Improved dry hanging fastener

10: Flat sticking part

11: Connection slot

12:Open hole

13: Card plate

20: Combined with the flat part

21: Incision

Claims (8)

An improved dry-hanging fastener, which is formed by stamping and bending a metal plate, and is characterized by: It has a flat portion for flatly sticking to the inner surface of a large flat decoration; Both sides of the flat portion are bent inward to form two connecting flat portions for inserting into the two connecting grooves cut by the large flat decoration; The center of the flat portion protrudes toward the opposite direction of the two combined flat portions to form a connecting slot; An opening is formed in the center of the connecting slot; and The edge of the opening forms a clamping plate inwardly. The improved dry-hanging fastener as claimed in claim 1, wherein the shape of the opening is square. The improved dry-hanging fastener as claimed in claim 2, wherein the clamping flat plate is substantially perpendicular to the extending direction of the connecting slot. The improved dry-hanging fastener as claimed in claim 2, wherein the connecting slot expands outward around the opening. The improved dry-hanging fastener as claimed in claim 1, wherein the angle between the connecting flat portion and the flat portion is between 30 degrees and 60 degrees. The improved dry-hanging fastener as described in claim 1, wherein the metal plate is made of stainless steel plate. The improved dry-hook fastener as claimed in claim 1, wherein a cutout is formed at the edge connecting the flat plate portion and the flat portion. The improved dry-hanging fastener as described in claim 1, wherein the large plane decoration is a large tile or stone plate.