CN220247243U - Waterproof broken heat bridge anchor bolt for building heat preservation - Google Patents
Waterproof broken heat bridge anchor bolt for building heat preservation Download PDFInfo
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- CN220247243U CN220247243U CN202321523910.9U CN202321523910U CN220247243U CN 220247243 U CN220247243 U CN 220247243U CN 202321523910 U CN202321523910 U CN 202321523910U CN 220247243 U CN220247243 U CN 220247243U
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- 238000004321 preservation Methods 0.000 title claims abstract description 12
- 238000005553 drilling Methods 0.000 claims abstract description 62
- 238000010079 rubber tapping Methods 0.000 claims abstract description 62
- 238000004873 anchoring Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 24
- 241000587161 Gomphocarpus Species 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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Abstract
A waterproof broken heat bridge anchor bolt for building heat preservation comprises a self-tapping self-drilling broken heat bridge anchor bolt, an expansion sleeve and a water stop sealing ring; the self-tapping self-drilling broken heat bridge anchor comprises a self-tapping self-drilling screw, a broken heat bridge anchor rod and an anchoring disc which are sequentially arranged; the expansion sleeve is sleeved at the head end of the self-tapping self-drilling screw nail; the water stop sealing ring is positioned at the joint of the self-tapping self-drilling screw and the heat-insulating bridge anchor rod and sleeved on the self-tapping self-drilling screw; the tail end of the self-tapping self-drilling screw is provided with a limiting structure; the self-tapping self-drilling screw, the heat-insulating bridge anchor rod and the anchoring disc adopt a coaxial integrated injection molding structure; the expansion sleeve comprises a circular pipe section and an opening expansion section, the joint of the circular pipe section and the opening expansion section adopts a reducing structure, and the inner diameter of the circular pipe section is larger than that of the opening expansion section; the tail end of the circular pipe section is provided with a limiting broadside and a waterproof gasket; the outer surface of the tail end of the opening expansion section is provided with a limiting wing; the water stop sealing ring comprises a conical section and a disc section, the small diameter end of the conical section faces the circular pipe section of the expansion sleeve, and the outer diameter size of the small diameter end of the conical section is smaller than the inner diameter size of the circular pipe section of the expansion sleeve.
Description
Technical Field
The utility model belongs to the technical field of building heat preservation, and particularly relates to a waterproof broken heat bridge anchor bolt for building heat preservation.
Background
The heat insulation system outside the building is used as an important component of building energy conservation, the heat insulation board is usually anchored on a building structure by adopting an anchoring piece, and the heat insulation bridge performance and the mechanical performance of the anchoring piece are critical to the performance and the safety of the heat insulation system.
The traditional heat-insulation anchoring piece is anchored by adopting an expansion mode of a metal nail core and a plastic sleeve, and after the anchoring, the tensile pulling force is lower, and the point type heat bridge problem exists because the heat conductivity coefficient of the metal nail core is larger.
Therefore, the Chinese patent application with the application number of 202110878932.6 discloses a self-tapping expansion knotting heat-insulating bridge anchor bolt for a building heat-insulating system and an installation method, wherein the heat-insulating bridge anchor bolt adopts a combined structure that a nonmetallic bolt and an inner tooth screw tube with one end coaxially and fixedly connected with a self-tapping screw are adopted, so that the heat-insulating bridge anchor bolt with a self-tapping and self-drilling function is formed, and the drawing force resistance of the anchor bolt and the heat-insulating bridge blocking capacity are effectively improved.
However, along with the continuous improvement of the waterproof requirement of the outer wall of the building in China, according to the requirements of the current national standard building and municipal engineering waterproof general Specification GB 55030, a waterproof layer such as a waterproof mortar layer or a waterproof paint layer is arranged between the wall body and the heat insulation layer, the waterproof layer of the wall body is damaged by the anchor bolt of the existing heat insulation bridge, and if the heat insulation layer outside the wall body leaks, water can leak into the base layer wall body through the anchor bolt and the drilled holes of the wall body.
Therefore, it is necessary to further improve the waterproof performance of the heat-insulating bridge anchor.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the waterproof broken heat bridge anchor bolt for building heat preservation, which can effectively improve the waterproof performance of the broken heat bridge anchor bolt and further strengthen the waterproof effect of the anchor bolt at the anchor hole of the wall body.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a waterproof broken heat bridge anchor bolt for building heat preservation comprises a self-tapping self-drilling broken heat bridge anchor bolt, an expansion sleeve and a water stop sealing ring; the self-tapping self-drilling broken heat bridge anchor comprises a self-tapping self-drilling screw, a broken heat bridge anchor rod and an anchoring disc, wherein the tail end of the self-tapping self-drilling screw is fixedly connected with one end of the broken heat bridge anchor rod, and the anchoring disc is fixedly arranged at the other end of the broken heat bridge anchor rod; the expansion sleeve is sleeved at the nail head end of the self-tapping self-drilling screw; the water stop sealing ring is positioned at the joint of the self-tapping self-drilling screw and the heat-insulating bridge anchor rod and sleeved on the screw rod of the self-tapping self-drilling screw.
And the tail end of the self-tapping self-drilling screw is provided with a limiting structure, and the limiting structure at the tail end of the self-tapping self-drilling screw is fixedly embedded in the heat-insulating bridge anchor rod.
The form of the limit structure comprises holes, grooves, protrusions, threads or an arrangement combination of the holes, the grooves, the protrusions and the threads.
The rod body of the heat-insulating bridge anchor rod adopts an equal-diameter cylinder or a coaxial variable-diameter cylinder, and the outer surface of the rod body of the heat-insulating bridge anchor rod is a smooth surface or is provided with external threads.
And a plurality of holes are formed in the anchoring disc, and a plurality of stiffening ribs are arranged between the anchoring disc and the heat-insulating bridge anchor rod.
The self-tapping self-drilling screw is made of metal, and the nail head end of the self-tapping self-drilling screw is in the form of a pointed head or a dovetail head; the heat-insulating bridge anchor rod and the anchoring disc are made of fiber reinforced plastics, and the self-tapping self-drilling screw, the heat-insulating bridge anchor rod and the anchoring disc are of a coaxial integrated injection molding structure.
The expansion sleeve comprises a circular pipe section and an opening expansion section, wherein the joint of the circular pipe section and the opening expansion section adopts a reducing structure, and the inner diameter size of the circular pipe section is larger than that of the opening expansion section.
The tail end of the circular pipe section is provided with a limiting broadside, a waterproof gasket is sleeved outside the tail end of the circular pipe section, and the waterproof gasket and the limiting broadside are distributed adjacently.
And a limiting wing is arranged on the outer surface of the tail end of the opening expansion section.
The water stop sealing ring comprises a conical section and a disc section, the disc section is connected with the large-diameter end of the conical section, the small-diameter end of the conical section faces the circular tube section of the expansion sleeve, and the outer diameter size of the small-diameter end of the conical section is smaller than the inner diameter size of the circular tube section of the expansion sleeve.
The utility model has the beneficial effects that:
according to the waterproof heat-insulating bridge anchor bolt for building heat preservation, the waterproof gasket is used for waterproof sealing of the gap between the expansion sleeve and the wall body, the waterproof sealing ring is used for waterproof sealing of the gap between the self-tapping self-drilling screw and the expansion sleeve, the problem of waterproof anchor holes of the heat-insulating bridge anchor bolt is effectively solved, the waterproof performance of the heat-insulating bridge anchor bolt is improved, and the waterproof effect of the anchor bolt at the anchor holes of the wall body is further enhanced.
According to the waterproof heat-insulating bridge anchor bolt for building heat preservation, the inside of the expansion sleeve is of the variable diameter structure, and the inner diameter size of the circular pipe section of the expansion sleeve is larger than the inner diameter size of the expansion section of the opening, so that the problem that the expansion sleeve is expanded in advance due to the fact that the self-tapping self-drilling screw is under the installation pressure in the anchor bolt installation process is solved, the phenomenon that the expansion sleeve is not installed in place is avoided, the expansion sleeve can smoothly enter a drilled hole of a base wall body, the self-tapping self-drilling screw can enter the expansion section under the rotation state, and reliable anchoring is achieved.
The waterproof heat-insulating bridge anchor bolt for building heat preservation, provided by the utility model, has the advantages that the self-tapping self-drilling screw, the heat-insulating bridge anchor bolt and the anchoring disc are of a coaxial integrated injection molding structure, the reliability of threaded mechanical connection can be fully exerted, and the heat bridge of the heat-insulating anchor bolt is blocked while the reliable anchoring strength is provided.
Drawings
FIG. 1 is a schematic diagram of a construction of a waterproof heat-insulating bridge anchor (prior to installation) for building insulation according to the present utility model;
FIG. 2 is a schematic structural view (explosion) of a waterproof and heat-insulating bridge anchor (before installation) for building insulation according to the present utility model;
FIG. 3 is a schematic view (cross section) of a waterproof heat-insulating bridge anchor (before installation) for building insulation according to the present utility model;
fig. 4 is a schematic structural view (part) of a waterproof and heat-insulating bridge anchor bolt for building insulation (after installation);
FIG. 5 is a schematic view of the head end of a self-tapping self-drilling screw of a waterproof broken heat bridge anchor for building insulation according to the present utility model;
fig. 6 is a schematic diagram of a self-tapping self-drilling screw tail end limiting structure of a waterproof broken heat bridge anchor bolt for building insulation (7 embodiments are listed);
in the figure, 1-self-tapping self-drilling heat-insulating bridge anchor nail, 11-self-tapping self-drilling screw, 111-limit structure, 12-heat-insulating bridge anchor rod, 13-anchoring disc, 131-hole, 132-stiffening rib, 2-expansion sleeve, 21-circular tube section, 211-limit broadside, 212-waterproof gasket, 22-opening expansion section, 221-limit wing, 23-reducing structure, 3-water-stopping sealing ring, 31-conical section and 32-disc section.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 to 6, a waterproof broken heat bridge anchor bolt for building heat preservation comprises a self-tapping and self-drilling broken heat bridge anchor bolt 1, an expansion sleeve 2 and a water stop sealing ring 3; the self-tapping self-drilling broken heat bridge anchor 1 comprises a self-tapping self-drilling screw 11, a broken heat bridge anchor rod 12 and an anchoring disc 13, wherein the tail end of the self-tapping self-drilling screw 11 is fixedly connected with one end of the broken heat bridge anchor rod 12, and the anchoring disc 13 is fixedly arranged at the other end of the broken heat bridge anchor rod 12; the expansion sleeve 2 is sleeved at the nail head end of the self-tapping self-drilling screw 11; the water stop sealing ring 3 is positioned at the joint of the self-tapping self-drilling screw 11 and the broken heat bridge anchor rod 12 and sleeved on the screw rod of the self-tapping self-drilling screw 11.
The tail end of the self-tapping self-drilling screw 11 is provided with a limiting structure 111, and the limiting structure 111 at the tail end of the self-tapping self-drilling screw 11 is fixedly embedded in the heat-insulating bridge anchor rod 12.
The form of the limit structure 111 includes an opening, a groove, a protrusion, a thread, or an arrangement combination of the above. Specifically, due to the existence of the limiting structure 111, the self-tapping self-drilling screw 11 and the broken bridge anchor rod 12 can be ensured not to rotate or displace relatively due to external force.
The rod body of the heat-insulating bridge anchor rod 12 adopts a constant diameter cylinder or a coaxial variable diameter cylinder, and the outer surface of the rod body of the heat-insulating bridge anchor rod 12 is a smooth surface or is provided with external threads.
The anchoring disc 13 is provided with a plurality of holes 131, and a plurality of stiffening ribs 132 are arranged between the anchoring disc 13 and the heat-insulating bridge anchor rod 12.
The self-tapping self-drilling screw 11 is made of metal, and the nail head end is in the form of a pointed head or a dovetail head; the materials of the heat-insulating bridge anchor rod 12 and the anchoring disc 13 are fiber reinforced plastics, and the self-tapping self-drilling screw 11, the heat-insulating bridge anchor rod 12 and the anchoring disc 13 adopt a coaxial integrated injection molding structure.
The expansion sleeve 2 comprises a circular tube section 21 and an opening expansion section 22, a reducing structure 23 is adopted inside the joint of the circular tube section 21 and the opening expansion section 22, and the inner diameter size of the circular tube section 21 is larger than that of the opening expansion section 22.
The tail end of the circular pipe section 21 is provided with a limiting broad edge 211, a waterproof gasket 212 is sleeved outside the tail end of the circular pipe section 21, and the waterproof gasket 212 and the limiting broad edge 211 are distributed adjacently.
A limiting wing 221 is disposed on the outer surface of the tail end of the opening expansion section 22.
The water stop sealing ring 3 comprises a conical section 31 and a disc section 32, the disc section 32 is connected with the large-diameter end of the conical section 31, the small-diameter end of the conical section 31 faces the circular tube section 21 of the expansion sleeve 2, and the outer diameter size of the small-diameter end of the conical section 31 is smaller than the inner diameter size of the circular tube section 21 of the expansion sleeve 2.
When the drilling depth of the base layer wall reaches the minimum anchoring depth of the broken heat bridge anchor bolt, the expansion sleeve 2 is sleeved at the nail head end of the self-tapping self-drilling screw 11, and then the expansion sleeve 2 is inserted into the drilling hole along with the self-tapping self-drilling screw 11 until the expansion sleeve 2 reaches the anchoring depth.
Subsequently, the anchoring disc 13 is screwed outside the drilled hole, the self-tapping self-drilling screw 11 is driven to rotate through the broken heat bridge anchor rod 12, the self-tapping self-drilling screw 11 can be gradually screwed into the expansion sleeve 2 through rotation, the opening expansion section 22 of the expansion sleeve 2 is gradually expanded and is in anchoring connection with the base wall, and the limiting wings 221 can prevent the self-tapping self-drilling screw 11 from rotating when being screwed into the expansion sleeve 2.
Along with the continuous screwing of the self-tapping and self-drilling screw 11, until the anchoring disc 13 is tightly attached to the outer surface of the heat insulation layer to a preset depth, at this time, the limiting broadside 211 at the tail end of the circular tube section 21 of the expansion sleeve 2 can tightly press the waterproof gasket 212 on the outer surface of the wall body at the edge of the drilled hole, meanwhile, the conical section 31 of the water-stop sealing ring 3 can be pressed into the circular tube section 21 of the expansion sleeve 2, and the disc section 32 of the water-stop sealing ring 3 can tightly press the limiting broadside 211 at the tail end of the circular tube section 21 of the expansion sleeve 2 at the broken heat bridge anchor rod 12, so that the waterproof sealing of the expansion sleeve 2 is finally realized.
The embodiments are not intended to limit the scope of the utility model, but rather are intended to cover all equivalent implementations or modifications that can be made without departing from the scope of the utility model.
Claims (10)
1. The utility model provides a waterproof broken heat bridge crab-bolt for building heat preservation which characterized in that: the self-tapping self-drilling broken heat bridge anchor comprises a self-tapping self-drilling broken heat bridge anchor, an expansion sleeve and a water stop sealing ring; the self-tapping self-drilling broken heat bridge anchor comprises a self-tapping self-drilling screw, a broken heat bridge anchor rod and an anchoring disc, wherein the tail end of the self-tapping self-drilling screw is fixedly connected with one end of the broken heat bridge anchor rod, and the anchoring disc is fixedly arranged at the other end of the broken heat bridge anchor rod; the expansion sleeve is sleeved at the nail head end of the self-tapping self-drilling screw; the water stop sealing ring is positioned at the joint of the self-tapping self-drilling screw and the heat-insulating bridge anchor rod and sleeved on the screw rod of the self-tapping self-drilling screw.
2. The waterproof and heat-insulating bridge anchor for building insulation according to claim 1, wherein: and the tail end of the self-tapping self-drilling screw is provided with a limiting structure, and the limiting structure at the tail end of the self-tapping self-drilling screw is fixedly embedded in the heat-insulating bridge anchor rod.
3. The waterproof and heat-insulating bridge anchor for building insulation according to claim 2, wherein: the form of the limit structure comprises holes, grooves, protrusions, threads or an arrangement combination of the holes, the grooves, the protrusions and the threads.
4. The waterproof and heat-insulating bridge anchor for building insulation according to claim 1, wherein: the rod body of the heat-insulating bridge anchor rod adopts an equal-diameter cylinder or a coaxial variable-diameter cylinder, and the outer surface of the rod body of the heat-insulating bridge anchor rod is a smooth surface or is provided with external threads.
5. The waterproof and heat-insulating bridge anchor for building insulation according to claim 1, wherein: and a plurality of holes are formed in the anchoring disc, and a plurality of stiffening ribs are arranged between the anchoring disc and the heat-insulating bridge anchor rod.
6. The waterproof and heat-insulating bridge anchor for building insulation according to claim 1, wherein: the self-tapping self-drilling screw is made of metal, and the nail head end of the self-tapping self-drilling screw is in the form of a pointed head or a dovetail head; the heat-insulating bridge anchor rod and the anchoring disc are made of fiber reinforced plastics, and the self-tapping self-drilling screw, the heat-insulating bridge anchor rod and the anchoring disc are of a coaxial integrated injection molding structure.
7. The waterproof and heat-insulating bridge anchor for building insulation according to claim 1, wherein: the expansion sleeve comprises a circular pipe section and an opening expansion section, wherein the joint of the circular pipe section and the opening expansion section adopts a reducing structure, and the inner diameter size of the circular pipe section is larger than that of the opening expansion section.
8. The waterproof and heat-insulating bridge anchor for building insulation according to claim 7, wherein: the tail end of the circular pipe section is provided with a limiting broadside, a waterproof gasket is sleeved outside the tail end of the circular pipe section, and the waterproof gasket and the limiting broadside are distributed adjacently.
9. The waterproof and heat-insulating bridge anchor for building insulation according to claim 7, wherein: and a limiting wing is arranged on the outer surface of the tail end of the opening expansion section.
10. The waterproof and heat-insulating bridge anchor for building insulation according to claim 7, wherein: the water stop sealing ring comprises a conical section and a disc section, the disc section is connected with the large-diameter end of the conical section, the small-diameter end of the conical section faces the circular tube section of the expansion sleeve, and the outer diameter size of the small-diameter end of the conical section is smaller than the inner diameter size of the circular tube section of the expansion sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523910.9U CN220247243U (en) | 2023-06-15 | 2023-06-15 | Waterproof broken heat bridge anchor bolt for building heat preservation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523910.9U CN220247243U (en) | 2023-06-15 | 2023-06-15 | Waterproof broken heat bridge anchor bolt for building heat preservation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220247243U true CN220247243U (en) | 2023-12-26 |
Family
ID=89266669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321523910.9U Active CN220247243U (en) | 2023-06-15 | 2023-06-15 | Waterproof broken heat bridge anchor bolt for building heat preservation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220247243U (en) |
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2023
- 2023-06-15 CN CN202321523910.9U patent/CN220247243U/en active Active
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