CN211774652U - Outer wall screw hole block structure - Google Patents
Outer wall screw hole block structure Download PDFInfo
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- CN211774652U CN211774652U CN201921685935.2U CN201921685935U CN211774652U CN 211774652 U CN211774652 U CN 211774652U CN 201921685935 U CN201921685935 U CN 201921685935U CN 211774652 U CN211774652 U CN 211774652U
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- screw hole
- waterproof mortar
- plugging
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Abstract
The utility model discloses an outer wall screw hole plugging structure, which comprises an outer wall body (1) and decorative layers (7) covering the surfaces of the two sides of the outer wall body (1), wherein the outer wall body (1) is provided with a screw hole (2) penetrating through the outer wall body (1); a micro-expansion waterproof mortar section (3) is poured into the screw hole (2), a plugging sleeve (4) is arranged on one side of the micro-expansion waterproof mortar section (3), the plugging sleeve (4) is inserted into the screw hole (2), and the outer surface of the plugging sleeve (4) is in pressing contact with the inner wall of the screw hole (2); the blocking sleeve (4) and the micro-expansion waterproof mortar section (3) are arranged at intervals and provided with water-swelling adhesive strips (5), the water-swelling adhesive strips (5) are cylindrical, and two ends of the water-swelling adhesive strips are respectively in pressing contact with the micro-expansion waterproof mortar section (3) and the blocking sleeve (4). The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel.
Description
Technical Field
The utility model relates to an outer wall screw rod hole block structure belongs to the building tool field.
Background
The cast-in-place is suitable for building industrialization, and the mould is required to be fixed, namely, the template is assembled on site, and then the concrete is poured. The cast wall has the characteristics of high strength and simple and convenient construction, so most of the existing buildings adopt a cast-in-place mode to construct the wall. In the process of cast-in-place of the wall body, the pull rods are required to be fixed between the formworks on the two sides of the wall body, so that a plurality of screw holes can be reserved on the wall body after the formworks are disassembled. In the prior art, waterproof mortar is generally used for filling the screw holes, the filling effect is poor, and the wall body is easy to leak at the screw holes to influence the waterproofness of the wall body.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model to exist among the prior art: "generally use waterproof mortar to fill the screw hole among the prior art, it is not good to fill the effect, makes the wall body take place the seepage in screw hole department easily, influences the not enough of the waterproof nature of wall body", provides an outer wall screw hole block structure.
In order to solve the technical problem, the technical scheme adopted by the utility model is that the outer wall screw hole plugging structure comprises an outer wall body and decorative layers covering the surfaces of the two sides of the outer wall body, wherein the outer wall body is provided with a screw hole penetrating through the outer wall body; a micro-expansion waterproof mortar section is poured into the screw hole, a plugging sleeve is arranged on one side of the micro-expansion waterproof mortar section, the plugging sleeve is inserted into the screw hole, and the outer surface of the plugging sleeve is in pressing contact with the inner wall of the screw hole; the plugging sleeve and the micro-expansion waterproof mortar section are arranged at intervals and provided with water-swelling adhesive strips, the water-swelling adhesive strips are cylindrical, and two ends of each water-swelling adhesive strip are respectively in pressing contact with the micro-expansion waterproof mortar section and the plugging sleeve; a threaded rod is inserted into the plugging sleeve and is in threaded connection with the plugging sleeve, and the end part of the threaded rod protrudes out of the opening of the end part of the screw hole; and an opening at one end of the screw hole is filled with a second waterproof mortar section.
Among the technical scheme of this application, filled the waterproof mortar section of micro-expansion in the screw rod hole to use the shutoff sleeve pipe to carry out the shutoff in the screw rod hole, use water swelling adhesive tape to carry out the shutoff between waterproof mortar section of micro-expansion and the shutoff sleeve pipe, use waterproof mortar section two to carry out waterproof sealing between the tip opening in shutoff sleeve pipe and screw rod hole. The inside shutoff mode that adopts the multistage formula of screw hole improves the waterproof sealing nature in screw hole, prevents that the screw hole from taking place the seepage. Waterproof mortar section two can be with finish coat homogenization and proper contact, and the tip in shutoff screw rod hole prevents to intake in the screw rod hole, and the shutoff sleeve pipe can make the contact pressure increase between shutoff sleeve pipe surface and screw rod hole inner wall, shutoff sleeve pipe and the threaded rod through the fixed extrusion of threaded rod, reduces the gap between shutoff sleeve pipe and screw rod hole inner wall, the threaded rod, improves waterproof nature. When leakage occurs in the screw hole, water enters the screw hole and contacts the water-swelling adhesive tape, the water-swelling adhesive tape absorbs water and swells to plug the screw hole and push the plugging sleeve to extrude the waterproof mortar section II, the contact pressure between the plugging sleeve and the waterproof mortar section II is improved, then a gap between the waterproof mortar section II and the plugging sleeve is filled, and the water is prevented from continuously entering the screw hole.
Preferably, in the plugging structure for the screw hole of the external wall, the micro-expansion waterproof mortar section is located in the middle section of the inside of the screw hole, two plugging sleeves are respectively arranged on two sides of the micro-expansion waterproof mortar section, and two openings at two ends of the screw hole are filled with the second waterproof mortar section.
In this application, can set up a shutoff sleeve pipe respectively in the both sides of micro-expansion waterproof mortar section to the both ends opening in two shutoff screw holes of waterproof mortar section. The structure is suitable for the condition that the thickness of the wall body of the outer wall is more than or equal to thirty centimeters.
Preferably, in the plugging structure for the screw hole of the external wall, the micro-expansion waterproof mortar section is located at one end of the screw hole, the micro-expansion waterproof mortar section fills an opening at one end of the screw hole, and the waterproof mortar section fills an opening at the other end of the screw hole.
In this application, can set up a shutoff sleeve pipe in one side of micro-expansion waterproof mortar section to the one end opening in two shutoff screw holes in waterproof mortar section uses the other end opening in micro-expansion waterproof mortar section shutoff screw hole. The structure is suitable for the condition that the thickness of the wall body of the outer wall is less than thirty centimeters.
Preferably, in the outer wall screw hole blocking structure, the opening at the end of the screw hole is provided with a blocking piece, the threaded rod penetrates through the blocking piece and is in threaded connection with the blocking piece, and the blocking piece is in pressing contact with the surface of the outer wall body.
In this application, cover a shutoff piece on screw hole tip opening, sticis the contact through shutoff piece and outer wall body surface for screw hole tip opening part can be sealed, prevents that moisture from getting into. The plugging piece is connected to the threaded rod in a threaded mode, the diameter of an opening through which the threaded rod penetrates on the plugging piece can be smaller than the outer diameter of the threaded rod, and therefore contact pressure of the threaded rod and the plugging piece is increased, and leakage of the opening through which the threaded rod penetrates from the plugging piece is prevented. The plugging sleeve and the plugging sheet can be made of rubber, and the threaded rod is made of nylon plastics.
Preferably, in the outer wall screw hole plugging structure, the inner diameter of the plugging sleeve is smaller than the outer diameter of the threaded rod, the outer surface of the plugging sleeve is wrapped with an asphalt waterproof layer, and the asphalt waterproof layer is in pressing contact with the inner surface of the screw hole and the outer surface of the plugging sleeve; the end part of the threaded rod is inserted into the cylindrical interior of the water-swelling rubber strip and is in compressed contact with the water-swelling rubber strip.
In this application, parcel pitch waterproof layer on shutoff sheathed tube surface prevents to appear the gap and influence waterproof sealing nature between shutoff sleeve pipe and the screw rod hole inner wall. The internal diameter of the plugging sleeve is smaller than the external diameter of the threaded rod, so that the threaded rod penetrates through the plugging sleeve, the external surface of the plugging sleeve extrudes the asphalt waterproof layer and the screw hole through the extrusion of the threaded rod, and the gap is reduced. And the inner diameter of the plugging sleeve is smaller than the outer diameter of the threaded rod, so that a gap between the plugging sleeve and the threaded rod is reduced, and the leakage between the plugging sleeve and the threaded rod is prevented.
Preferably, in the outer wall screw hole plugging structure, a conical section is arranged at one end of the second waterproof mortar section, the inner wall of the end part of the screw hole is matched with the conical section of the second waterproof mortar section in shape, and the conical bottom end face of the conical section faces the end opening of the screw hole.
In this application, the one end of waterproof mortar section two is the toper for the area of contact of waterproof mortar section two and the tip inner wall in screw rod hole increases, improves the fixed firmness of waterproof mortar section two. And the opening at the end part of the screw hole is enlarged, so that the filling and vibrating are convenient, and the waterproofness is improved.
Optimized, above-mentioned outer wall screw rod hole block structure, be provided with annular pitch coating between shutoff piece and the outer wall body surface, pitch coating coats on outer wall body surface, and the shutoff piece sticiss with pitch coating surface and contacts.
In this application, the asphalt coating layer has improved outer wall's surface smoothness degree, reduces the gap between shutoff piece and the outer wall, improves waterproof sealing nature.
Preferably, in the outer wall screw hole plugging structure, a rubber sealing sheet is arranged between the end of the threaded rod and the micro-expansion waterproof mortar section, the rubber sealing sheet is attached to the surface of the micro-expansion waterproof mortar section, the outer annular surface of the rubber sealing sheet is in pressing contact with the inner wall of the screw hole, and the end of the threaded rod is pressed on the rubber sealing sheet.
In this application, the extrusion through the threaded rod extrudees the rubber seal piece on the micro-expansion waterproof mortar section to make the outer anchor ring of rubber seal piece and screw hole inner wall sticis the contact, improved the waterproof leakproofness of the part in the screw hole between shutoff sleeve pipe and the micro-expansion waterproof mortar section.
Preferably, in the outer wall screw hole plugging structure, the surface of one end of the screw hole filled with the waterproof mortar section II is covered with an asphalt coating layer, and the coating area of the asphalt coating layer is larger than the opening area of the end part of the screw hole.
In this application, the screw rod hole covers the pitch coating on the one end surface through two packing of waterproof mortar section, improves the waterproof nature of screw rod hole tip, prevents that moisture from getting into the screw rod hole.
The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel. Among the technical scheme of this application, filled the waterproof mortar section of micro-expansion in the screw rod hole to use the shutoff sleeve pipe to carry out the shutoff in the screw rod hole, use water swelling adhesive tape to carry out the shutoff between waterproof mortar section of micro-expansion and the shutoff sleeve pipe, use waterproof mortar section two to carry out waterproof sealing between the tip opening in shutoff sleeve pipe and screw rod hole. The inside shutoff mode that adopts the multistage formula of screw hole improves the waterproof sealing nature in screw hole, prevents that the screw hole from taking place the seepage. Waterproof mortar section two can be with finish coat homogenization and proper contact, and the tip in shutoff screw rod hole prevents to intake in the screw rod hole, and the shutoff sleeve pipe can make the contact pressure increase between shutoff sleeve pipe surface and screw rod hole inner wall, shutoff sleeve pipe and the threaded rod through the fixed extrusion of threaded rod, reduces the gap between shutoff sleeve pipe and screw rod hole inner wall, the threaded rod, improves waterproof nature. When leakage occurs in the screw hole, water enters the screw hole and contacts the water-swelling adhesive tape, the water-swelling adhesive tape absorbs water and swells to plug the screw hole and push the plugging sleeve to extrude the waterproof mortar section II, the contact pressure between the plugging sleeve and the waterproof mortar section II is improved, then a gap between the waterproof mortar section II and the plugging sleeve is filled, and the water is prevented from continuously entering the screw hole.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in the figures, the utility model relates to an outer wall screw hole plugging structure, which comprises an outer wall body 1 and decorative layers 7 covering the two side surfaces of the outer wall body 1, wherein the outer wall body 1 is provided with a screw hole 2 penetrating through the outer wall body 1; a micro-expansion waterproof mortar section 3 is poured into the screw hole 2, a plugging sleeve 4 is arranged on one side of the micro-expansion waterproof mortar section 3, the plugging sleeve 4 is inserted into the screw hole 2, and the outer surface of the plugging sleeve 4 is in pressing contact with the inner wall of the screw hole 2; a water-swelling adhesive tape 15 is arranged between the plugging sleeve 4 and the micro-swelling waterproof mortar section 3 at intervals, the water-swelling adhesive tape 15 is cylindrical, and two ends of the water-swelling adhesive tape 15 are respectively in pressing contact with the micro-swelling waterproof mortar section 3 and the plugging sleeve 4; a threaded rod 5 is inserted into the plugging sleeve 4, the threaded rod 5 is in threaded connection with the plugging sleeve 4, and the end part of the threaded rod 5 protrudes out of the end opening of the screw hole 2; and a second waterproof mortar section 8 is filled in an opening at one end of the screw hole 2.
Among the technical scheme of this application, poured micro-expansion waterproof mortar section 3 in screw rod hole 2 to use shutoff sleeve pipe 4 to carry out the shutoff in screw rod hole 2, use water-swelling adhesive tape 15 to carry out the shutoff between micro-expansion waterproof mortar section 3 and the shutoff sleeve pipe 4, use waterproof mortar section two 8 to carry out waterproof sealing between the tip opening in shutoff sleeve pipe 4 and screw rod hole 2. The inside shutoff mode that adopts the multistage formula of screw hole 2 improves the waterproof sealing nature in screw hole 2, prevents that screw hole 2 from taking place the seepage. Two 8 waterproof mortar sections can be with 7 homogenization of finish coat and proper contact, and the tip in shutoff screw rod hole 2 prevents to intake in the screw rod hole 2, and shutoff sleeve pipe 4 can make the contact pressure increase between shutoff sleeve pipe 4 surface and 2 inner walls in screw rod hole, shutoff sleeve pipe 4 and the threaded rod 5 through the fixed extrusion of threaded rod 5, reduces the gap between shutoff sleeve pipe 4 and 2 inner walls in screw rod hole, threaded rod 5, improves waterproof nature. When leakage occurs in the screw hole 2, moisture enters the screw hole 2 and contacts the water-swelling adhesive tape 15, the water-swelling adhesive tape 15 absorbs water and swells to plug the screw hole 2 and push the plugging sleeve 4 to extrude the waterproof mortar section II 8, the contact pressure between the plugging sleeve 4 and the waterproof mortar section II 8 is improved, then a gap between the waterproof mortar section II 8 and the plugging sleeve 4 is filled, and the moisture is prevented from continuously entering the screw hole 2.
The micro-expansion waterproof mortar section 3 is located in the middle section of the interior of the screw hole 2, two sides of the micro-expansion waterproof mortar section 3 are respectively provided with a plugging sleeve 4, and openings in two ends of the screw hole 2 are filled with a second waterproof mortar section 8.
In this application, can set up a shutoff sleeve pipe 4 respectively in the both sides of micro-expansion waterproof mortar section 3 to two 8 shutoff screw hole 2's of waterproof mortar section both ends openings. The structure is suitable for the condition that the wall thickness of the outer wall body 1 is more than or equal to thirty centimeters.
The end opening of the screw hole 2 is provided with a plugging sheet 6, the threaded rod 5 penetrates through the plugging sheet 6 and is in threaded connection with the plugging sheet 6, and the plugging sheet 6 is in pressing contact with the surface of the outer wall body 1.
In this application, 2 tip openings in screw hole cover a shutoff piece 6, sticiss the contact through shutoff piece 6 and outer wall body 1 surface for 2 tip openings in screw hole can be sealed, prevent that moisture from getting into. The plugging piece 6 is in threaded connection with the threaded rod 5, the diameter of an opening through which the threaded rod 5 penetrates on the plugging piece 6 can be smaller than the outer diameter of the threaded rod 5, so that the contact pressure between the threaded rod 5 and the plugging piece 6 is increased, and the leakage of the opening through which the threaded rod 5 penetrates on the plugging piece 6 is prevented. The plugging sleeve 4 and the plugging sheet 6 can be made of rubber, and the threaded rod 5 is made of nylon plastics.
The inner diameter of the plugging sleeve 4 is smaller than the outer diameter of the threaded rod 5, the outer surface of the plugging sleeve 4 is wrapped with an asphalt waterproof layer 9, and the asphalt waterproof layer 9 is in compressed contact with the inner surface of the screw hole 2 and the outer surface of the plugging sleeve 4; the end of the threaded rod 5 is inserted into the cylindrical interior of the water-swelling rubber strip 15 and is in tight pressing contact with the water-swelling rubber strip 15.
In this application, parcel pitch waterproof layer 9 on shutoff sleeve pipe 4's surface prevents to appear the gap and influence waterproof sealing nature between shutoff sleeve pipe 4 and the 2 inner walls in screw hole. The internal diameter of the plugging sleeve 4 is smaller than the external diameter of the threaded rod 5, so that the threaded rod 5 penetrates through the plugging sleeve 4, the asphalt waterproof layer 9 and the screw hole 2 are extruded on the outer surface of the plugging sleeve 4 through the extrusion of the threaded rod 5, and gaps are reduced. And the inner diameter of the plugging sleeve 4 is smaller than the outer diameter of the threaded rod 5, so that the gap between the plugging sleeve 4 and the threaded rod 5 is reduced, and the leakage between the plugging sleeve 4 and the threaded rod 5 is prevented.
One end of the second waterproof mortar section 8 is provided with a conical section 81, the inner wall of the end part of the screw hole 2 is matched with the conical section 81 of the second waterproof mortar section 8 in shape, and the conical bottom end face of the conical section 81 faces the end part of the screw hole 2 to be opened.
In this application, the one end of two 8 of waterproof mortar section is the toper for the area of contact of the tip inner wall of two 8 of waterproof mortar section and screw hole 2 increases, improves two 8 of waterproof mortar section's fixed firmness. And the end opening of the screw hole 2 is enlarged, so that the filling and vibrating are convenient, and the waterproofness is improved.
An annular asphalt coating layer 10 is arranged between the plugging sheet 6 and the surface of the outer wall body 1, the asphalt coating layer 10 is coated on the surface of the outer wall body 1, and the plugging sheet 6 is in surface pressing contact with the asphalt coating layer 10.
In this application, the asphalt coating layer 10 has improved the surface smoothness degree of outer wall body 1, reduces the gap between shutoff piece 6 and outer wall body 1, improves waterproof sealing nature.
A rubber sealing sheet 11 is arranged between the end part of the threaded rod 5 and the micro-expansion waterproof mortar section 3, the rubber sealing sheet 11 is attached to the surface of the micro-expansion waterproof mortar section 3, the outer annular surface of the rubber sealing sheet 11 is in pressing contact with the inner wall of the screw hole 2, and the end part of the threaded rod 5 is pressed on the rubber sealing sheet 11.
In this application, the extrusion through threaded rod 5 extrudees rubber seal piece 11 on micro-expansion waterproof mortar section 3 to make rubber seal piece 11 outer anchor ring and the contact of sticising of 2 inner walls in screw hole, improved the waterproof sealing nature of the part in screw hole 2 between shutoff sleeve pipe 4 and the micro-expansion waterproof mortar section 3.
Example 2
This example differs from example 1 in that: the micro-expansion waterproof mortar section 3 is located at one end of the screw hole 2, the micro-expansion waterproof mortar section 3 fills an opening at one end of the screw hole 2, and the waterproof mortar section II 8 fills an opening at the other end of the screw hole 2.
In this application, can set up a shutoff sleeve pipe 4 in one side of micro-expansion waterproof mortar section 3 to the one end opening in two 8 shutoff screw holes 2 in waterproof mortar section uses the other end opening in 3 shutoff screw holes 2 in micro-expansion waterproof mortar section. The structure is suitable for the condition that the wall thickness of the outer wall body 1 is less than thirty centimeters.
And an asphalt coating layer 10 covers the surface of one end of the screw hole 2 filled with the waterproof mortar section II 8, and the coating area of the asphalt coating layer 10 is larger than the opening area of the end part of the screw hole 2.
In this application, the one end surface that screw hole 2 was filled through two 8 of waterproof mortar sections covers pitch coating 10, improves the waterproof nature of 2 tip in screw hole, prevents that moisture from getting into screw hole 2.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides an outer wall screw hole block structure which characterized in that: the decorative wall comprises an outer wall body (1) and decorative layers (7) covering the surfaces of two sides of the outer wall body (1), wherein a screw hole (2) penetrating through the outer wall body (1) is formed in the outer wall body (1); a micro-expansion waterproof mortar section (3) is poured into the screw hole (2), a plugging sleeve (4) is arranged on one side of the micro-expansion waterproof mortar section (3), the plugging sleeve (4) is inserted into the screw hole (2), and the outer surface of the plugging sleeve (4) is in pressing contact with the inner wall of the screw hole (2); the plugging sleeve (4) and the micro-expansion waterproof mortar section (3) are arranged at intervals and provided with water-swelling adhesive strips (15), the water-swelling adhesive strips (15) are cylindrical, and two ends of each water-swelling adhesive strip are respectively in pressing contact with the micro-expansion waterproof mortar section (3) and the plugging sleeve (4); a threaded rod (5) is inserted into the plugging sleeve (4), the threaded rod (5) is in threaded connection with the plugging sleeve (4), and the end part of the threaded rod (5) protrudes out of the end opening of the screw hole (2); and a second waterproof mortar section (8) is filled in an opening at one end of the screw hole (2).
2. An exterior wall screw hole block structure according to claim 1, characterized in that: the micro-expansion waterproof mortar section (3) is located in the middle section of the interior of the screw hole (2), two sides of the micro-expansion waterproof mortar section (3) are respectively provided with a plugging sleeve (4), and openings in two ends of the screw hole (2) are filled with a second waterproof mortar section (8).
3. An exterior wall screw hole block structure according to claim 1, characterized in that: the micro-expansion waterproof mortar section (3) is located at one end of the screw hole (2), the micro-expansion waterproof mortar section (3) fills an opening at one end of the screw hole (2), and the waterproof mortar section II (8) fills an opening at the other end of the screw hole (2).
4. An outer wall screw hole plugging structure according to claim 2 or 3, characterized in that: the end opening of the screw hole (2) is provided with a plugging sheet (6), the threaded rod (5) penetrates through the plugging sheet (6) and is in threaded connection with the plugging sheet (6), and the plugging sheet (6) is in pressed contact with the surface of the outer wall body (1).
5. An exterior wall screw hole block structure according to claim 1, characterized in that: the inner diameter of the plugging sleeve (4) is smaller than the outer diameter of the threaded rod (5), the outer surface of the plugging sleeve (4) is wrapped with an asphalt waterproof layer (9), and the asphalt waterproof layer (9) is in pressing contact with the inner surface of the screw hole (2) and the outer surface of the plugging sleeve (4); the end part of the threaded rod (5) is inserted into the cylindrical interior of the water-swelling rubber strip (15) and is in pressing contact with the water-swelling rubber strip (15).
6. An exterior wall screw hole block structure according to claim 1, characterized in that: one end of the waterproof mortar section II (8) is provided with a conical section (81), the inner wall of the end part of the screw hole (2) is matched with the conical section (81) of the waterproof mortar section II (8) in shape, and the conical bottom end face of the conical section (81) faces towards the end opening of the screw hole (2).
7. An exterior wall screw hole block structure according to claim 4, characterized in that: an annular asphalt coating layer (10) is arranged between the plugging sheet (6) and the surface of the outer wall body (1), the asphalt coating layer (10) is coated on the surface of the outer wall body (1), and the plugging sheet (6) is in surface pressing contact with the asphalt coating layer (10).
8. An exterior wall screw hole block structure according to claim 1, characterized in that: a rubber sealing piece (11) is arranged between the end part of the threaded rod (5) and the micro-expansion waterproof mortar section (3), the rubber sealing piece (11) is attached to the surface of the micro-expansion waterproof mortar section (3), the outer ring surface of the rubber sealing piece (11) is in pressing contact with the inner wall of the screw hole (2), and the end part of the threaded rod (5) is pressed on the rubber sealing piece (11).
9. An exterior wall screw hole block structure according to claim 3, characterized in that: one end surface of the screw hole (2) filled with the waterproof mortar section II (8) is covered with an asphalt coating layer (10), and the coating area of the asphalt coating layer (10) is larger than the opening area of the end part of the screw hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685935.2U CN211774652U (en) | 2019-10-09 | 2019-10-09 | Outer wall screw hole block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685935.2U CN211774652U (en) | 2019-10-09 | 2019-10-09 | Outer wall screw hole block structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211774652U true CN211774652U (en) | 2020-10-27 |
Family
ID=72934667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921685935.2U Expired - Fee Related CN211774652U (en) | 2019-10-09 | 2019-10-09 | Outer wall screw hole block structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211774652U (en) |
-
2019
- 2019-10-09 CN CN201921685935.2U patent/CN211774652U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211009 |