Novel heat preservation nail

Abstract

The utility model relates to the field of heat preservation nails, and discloses a novel heat preservation nail which comprises a heat preservation nail barrel, an expansion head is integrally arranged at the right end of the heat preservation nail barrel, the expansion head is composed of four expansion blades, the four expansion blades define a barrel shape, the right end of the expansion head is in a cone shape, and the inner walls of the four expansion blades are obliquely close to the right end. A plurality of barbs are fixedly connected to the outer walls of the expansion blades, the barbs are distributed at equal intervals in the left-right direction, a plurality of grouting openings are formed in the outer wall of the heat preservation nail barrel, the grouting openings are in a square shape and are evenly distributed, a tail plate is fixedly connected to the outer wall of the left end of the heat preservation nail barrel, a first embedding groove is formed in the middle of the left side wall of the tail plate, and four wire grooves are formed in the left side wall of the tail plate. The wire grooves penetrate through the first embedding grooves, and an expansion bolt is arranged in the heat preservation nail barrel. Through the design of the expansion blades and the barbs, the thermal insulation board can be firmly clamped into a wall body, strong tensile force and shearing force are provided, and it is guaranteed that the thermal insulation board cannot fall off easily.

Description

Technical Field

[0001] The utility model relates to the field of thermal insulation nails, in particular to a new thermal insulation nail. Background Art

[0002] Insulation nails are installation components of insulation boards and play an important role in the fields of construction, decoration and renovation. Most of the insulation nails currently used in engineering projects are percussion expansion nails. Their working principle mainly depends on the front end of the expansion sleeve, which is symmetrically provided with two irregular slits. When the metal expansion bolt is inserted into the insulation nail tube and struck with a hammer, the resistance of the irregular slits generates expansion force. In this way, the insulation nail expands in the wall where the hole has been drilled, thereby achieving fixed installation of the insulation board.

[0003] The insulation nails currently used in insulation projects must be installed by hammering the metal expansion bolt into the insulation nail tube to expand the front end of the insulation nail tube. When hammering the expansion bolt, the insulation nail tube may break due to excessive hammering force, resulting in invalid installation of the insulation nail. In addition, the expansion force of this insulation nail is limited, and the anchoring strength can only meet the requirements when used in concrete walls. When used in hollow brick walls and block walls, the expansion end has only two petals and cannot completely fit the hole wall to which it is anchored. Since the strength of the hollow bricks or blocks themselves is not high, the wall may be damaged under the action of the hammering force. This type of insulation nail is not suitable for all application scenarios. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a novel thermal insulation nail.

[0005] The technical solution adopted by this utility model:

[0006] A new type of thermal insulation nail, including a thermal insulation nail barrel, an expansion head is integrally provided at the right end of the thermal insulation nail barrel, the expansion head is composed of four expansion blades, the four expansion blades form a cylindrical shape, the right end of the expansion head is tapered, and a reinforcing rib is provided on the inner wall of the right end of each expansion blade. The reinforcing rib is coplanar with the axis of the thermal insulation nail barrel, and the inner walls of the four expansion blades are inclined toward the right end. The outer walls of the expansion blades are fixedly connected with a plurality of barbs, and the barbs are equidistantly distributed on the left and right. The outer wall of the thermal insulation nail barrel is provided with a plurality of grouting ports, which are square and evenly distributed. The outer wall of the left end of the thermal insulation nail barrel is fixedly connected with a tail plate, and the left wall of the tail plate is provided with a plurality of staggered wire grooves. The groove passes through the edge of the center hole at the left end of the insulation nail tube. The center hole is exposed at the left end of the insulation nail tube. The center hole is the left end of the inner wall of the insulation nail tube. There is an expansion bolt in the insulation nail tube. The expansion bolt is tubular. The right end face of the expansion bolt is conical. The rest of the expansion bolt has the same outer diameter. The rest of the expansion bolt is four petals, each petal is an expansion body, the outer wall of the expansion bolt is fixed with an external thread, and the inner wall of the expansion bolt is provided with a thread. The outer wall of the expansion bolt and the inner wall of the insulation nail tube are clearance-matched. The left side wall of the tail plate is embedded with a gasket. The gasket is annular, the center of the gasket is a center circular hole, and several circular holes are provided on the surface of the gasket. An embedded groove 2 is provided in the middle of the left side wall of the gasket.

[0007] A screw is inserted into the inner side of the left end of the insulation nail tube, and the screw passes through the central circular hole and the center hole. The left end of the screw is fixedly connected with a nail cap, which is adapted to the embedded groove. The right end of the screw is fixedly connected with a threaded head. The right end of the threaded head is tapered, and the threaded head cooperates with the inner wall thread of the expansion bolt.

[0008] A plurality of wing plates are fixedly connected between the right side wall of the tail plate and the left end of the outer wall of the thermal insulation nail barrel. The left end of the expansion bolt is in an inwardly concave arc shape, and a through hole is arranged on the tail plate.

[0009] Beneficial effects of the utility model:

[0010] The utility model can be firmly stuck into the wall through the design of expansion blades and barbs, providing strong pulling and shearing forces to ensure that the insulation board will not fall off easily. The grouting port allows the foam glue to fill the gap between the insulation board and the wall, thereby improving the insulation effect. Tightening the expansion bolt will cause the four expansion blades to expand once, and then screwing in the screw to expand the expansion bolt, so that the four expansion blades are expanded a second time, and the four expansion blades completely fit the hole wall to which they are anchored, thus solving the problems mentioned in the background technology. The insulation board and the decorative board are fixed by adhesive, and the iron wire serves to enhance the connection strength between the insulation board and the decorative board. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2It is an exploded view of the utility model;

[0013] Figure 3 yes Figure 2 Schematic diagram of the structure from the rear side perspective;

[0014] Figure 4 yes Figure 1 Schematic diagram of the structure from the rear side perspective;

[0015] Figure 5 yes Figure 4 The cross-section of is rotated 90 degrees clockwise;

[0016] Figure 6 This is the assembly drawing for the utility model;

[0017] Figure 7 It is a schematic diagram of an embodiment of the present utility model.

[0018] In all the drawings, the specific reference numerals are: 1. insulation nail barrel; 2. expansion blade; 3. barb; 4. grouting port; 5. tail plate; 6. embedding groove one; 7. wire groove; 8. expansion bolt; 9. external thread; 10. gasket; 11. embedding groove two; 12. screw; 13. nail cap; 14. threaded head; 15. wing plate; 16. wall; 17. insulation board; 18. wire; 19. expansion nail; 20. decorative board; 21. grouting hole; 22. putty. DETAILED DESCRIPTION

[0019] like Figure 1-7As shown: a new type of thermal insulation nail, including a thermal insulation nail barrel 1, the right end of the thermal insulation nail barrel 1 is integrally provided with an expansion head, the expansion head is composed of four expansion blades 2, the four expansion blades 2 are enclosed in a cylindrical shape, the right end of the expansion head is tapered, and the inner wall of the right end of each expansion blade 2 is provided with a reinforcing rib 23, the reinforcing rib 23 is coplanar with the axis of the thermal insulation nail barrel 1, the inner walls of the four expansion blades 2 are inclined toward the right end, the outer walls of the expansion blades 2 are fixedly connected with a plurality of barbs 3, the barbs 3 are equidistantly distributed on the left and right, the outer wall of the thermal insulation nail barrel 1 is provided with a plurality of grouting ports 4, the grouting ports 4 are square, and the grouting ports 4 are evenly distributed, the outer wall of the left end of the thermal insulation nail barrel 1 is fixedly connected with a tail plate 5, and the left side wall of the tail plate 5 is provided with a plurality of staggered wire grooves 7, and the wire grooves 7 are passed through the thermal insulation The edge of the center hole 25 at the left end of the nail barrel 1, the center hole 25 is exposed at the left end of the insulation nail barrel 1, and the center hole 25 is the left end of the inner wall of the insulation nail barrel 1. There is an expansion bolt 8 in the insulation nail barrel 1. The expansion bolt 8 is tubular, and the right end face of the expansion bolt 8 is conical. The rest of the expansion bolt 8 has the same outer diameter. The rest of the expansion bolt 8 is four petals, each petal is an expansion body 27, and the outer wall of the expansion bolt 8 is fixed with an external thread 9. The inner wall of the expansion bolt 8 is provided with a thread. The outer wall of the expansion bolt 8 is gap-fitted with the inner wall of the insulation nail barrel 1, and the left side wall of the tail plate 5 is embedded with a gasket 10. The gasket 10 is annular, and the center of the gasket 10 is a center circular hole 26. Several circular holes are provided on the surface of the gasket 10, and an embedding groove 2 11 is provided in the middle of the left side wall of the gasket 10.

[0020] A screw 12 is inserted into the inner side of the left end of the insulation nail tube 1, and the screw 12 passes through the central circular hole 26 and the center hole 25. The left end of the screw 12 is fixedly connected with a nail cap 13, and the nail cap 13 is adapted to the embedded groove 11. The right end of the screw 12 is fixedly connected with a threaded head 14. The right end of the threaded head 14 is conical, and the threaded head 14 cooperates with the inner wall thread of the expansion bolt 8.

[0021] A plurality of wing plates 15 are fixedly connected between the right side wall of the tail plate 5 and the left end of the outer wall of the heat-insulating nail barrel 1 . The left end of the expansion bolt 8 is in an inwardly concave arc shape. A through hole 24 is provided on the tail plate 5 .

[0022] The assembly process of the insulation board includes the following steps:

[0023] Step 1: Use glue 22 to adhere the insulation board 17 to the outer surface of the wall 16, ensuring that there is a gap of about 1 cm between the insulation board 17 and the wall 16;

[0024] Step 2: Pass the insulation nail barrel 1 through the insulation board 17 and then nail it into the wall 16, so that the expansion blade 2 is located inside the wall 16, the tail plate 5 is close to the outer surface of the insulation board 17 and embedded in the insulation board 17, and the grouting port 4 is located in the gap between the walls 16 and 17;

[0025] Step 3: Insert the tapered end of the expansion bolt 8 into the insulation nail barrel 1, use a screwdriver to twist the tail end of the expansion bolt 8, and screw the end of the expansion bolt 8 into the wall 16 through its external thread 9 to fix the expansion bolt 8. The expansion bolt 8 allows the expansion blade 2 to expand for the first time;

[0026] Inject foam into the insulation nail barrel 1, the foam flows out through the grouting port 4 and fills the gap between the insulation board 17 and the wall 16. The foam enhances the insulation effect and increases the structural stability. Alternatively, the foam can be injected into the gap between the insulation board 17 and the wall 16 through the grouting hole 21. The insulation board 17 is provided with a grouting hole 21. The grouting hole 21 can be pre-opened or opened as needed.

[0027] Step 4: bury the wire 18 into the wire groove 7 on the tail plate 5 to connect multiple tail plates 5 in series;

[0028] Step 5: Use expansion nails 19 to embed into the wall 16, the expansion nails 19 penetrate the insulation board 17, and fix the wire 18 on the expansion nails 19;

[0029] Step 6: Insert the gasket 10 into the embedding groove 1 6 of the tail plate 5 to cover the wire 18;

[0030] Step 7: Use the screw 12 to pass through the gasket 10 and insert it into the thermal insulation nail barrel 1, and the threaded head 14 of the screw drills into the inner wall of the expansion bolt 8;

[0031] Step 8: Continue to turn the screw 12, the threaded head 14 cooperates with the inner wall thread of the expansion bolt 8, and the threaded head 14 enters the expansion bolt 8 to expand the expansion body 27, thereby causing the expansion blade 2 to expand a second time, so that the barb 3 is further stuck into the wall 16 to achieve firm fixation; the four expansion blades 2 are expanded.

[0032] Step 9: The nail cap 13 is inserted into the second embedding groove 11 of the gasket 10, and the gasket 10 covers and fixes the wire 18;

[0033] Step 10: The outer wall of the insulation board 17 is covered with the decorative board 20. The insulation board 17 and the decorative board 20 are fixed by adhesive. The through hole 24 is filled with adhesive to increase the fixing effect of the tail plate 5. The wire 18 serves to enhance the connection strength between the insulation board 17 and the decorative board 20.

Claims

1. A new type of thermal insulation nail, characterized in that: The invention comprises a heat-insulating nail barrel (1), wherein the right end of the heat-insulating nail barrel (1) is integrally provided with an expansion head, the expansion head is composed of four expansion blades (2), the four expansion blades (2) are enclosed into a cylindrical shape, the right end of the expansion head is tapered, the inner wall of the right end of each expansion blade (2) is provided with a reinforcing rib (23), the reinforcing rib (23) is coplanar with the axis of the heat-insulating nail barrel (1), the inner walls of the four expansion blades (2) are inclined and approached toward the right end, the outer walls of the expansion blades (2) are fixedly connected with a plurality of barbs (3), the barbs (3) are equidistantly distributed on the left and right, the outer wall of the heat-insulating nail barrel (1) is provided with a plurality of grouting ports (4), the grouting ports (4) are square, and the grouting ports (4) are evenly distributed, the outer wall of the left end of the heat-insulating nail barrel (1) is fixedly connected with a tail plate (5), the left side wall of the tail plate (5) is provided with a plurality of staggered wire grooves (7), and the wire grooves (7) pass through the center hole of the left end of the heat-insulating nail barrel (1). (25) edge, the left end of the heat-insulating nail barrel (1) exposes the center hole (25), the center hole (25) is the left end of the inner wall of the heat-insulating nail barrel (1), the heat-insulating nail barrel (1) has an expansion bolt (8), the expansion bolt (8) is tubular, the right end face of the expansion bolt (8) is conical, the rest of the expansion bolt (8) has the same outer diameter, the rest of the expansion bolt (8) is four petals, each petal is an expansion body (27), the outer wall of the expansion bolt (8) is fixed with an external thread (9), the inner wall of the expansion bolt (8) is provided with a thread, the outer wall of the expansion bolt (8) and the inner wall of the heat-insulating nail barrel (1) are clearance-matched, the left side wall of the tail plate (5) is embedded with a gasket (10), the gasket (10) is annular, the center of the gasket (10) is a center circular hole (26), a plurality of circular holes are provided on the surface of the gasket (10), and an embedding groove 2 (11) is provided in the middle of the left side wall of the gasket (10).

2. A novel heat preservation nail according to claim 1, characterized in that: A screw (12) is inserted into the inner side of the left end of the heat-insulating nail barrel (1), and the screw (12) passes through the central circular hole (26) and the central hole (25). The left end of the screw (12) is fixedly connected with a nail cap (13), and the nail cap (13) is adapted to the second embedded groove (11). The right end of the screw (12) is fixedly connected with a threaded head (14), and the right end of the threaded head (14) is tapered. The threaded head (14) is matched with the inner wall thread of the expansion bolt (8).

3. A novel heat preservation nail according to claim 1, characterized in that: A plurality of wing plates (15) are fixedly connected between the right side wall of the tail plate (5) and the left end of the outer wall of the heat-insulating nail barrel (1). The left end of the expansion bolt (8) is in an inwardly concave arc shape. A through hole (24) is provided on the tail plate (5).

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