CN209941925U - Bolt hole plugging structure - Google Patents
Bolt hole plugging structure Download PDFInfo
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- CN209941925U CN209941925U CN201920525836.1U CN201920525836U CN209941925U CN 209941925 U CN209941925 U CN 209941925U CN 201920525836 U CN201920525836 U CN 201920525836U CN 209941925 U CN209941925 U CN 209941925U
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Abstract
The utility model discloses a bolt hole block structure, including prefabricated outer wall, shutoff locating part, fastening connection spare and set up the cement base waterproof coating on prefabricated outer wall surface, prefabricated outer wall includes prefabricated wallboard and foam insulation board, one side of prefabricated outer wall link up and has seted up the bolt hole, the inner chamber in bolt hole is provided with the polyethylene stick, the both ends that the inner chamber in bolt hole and lie in the polyethylene stick all fill there is the mortar filling block. The utility model provides a current bolt hole shutoff structural stability relatively poor, waterproof nature is relatively poor, leads to the lower technical problem of prefabricated wall body overall stability and life, and the effect of wall body self expend with heat and contract with cold can have certain elasticity, avoids the building to produce the crack, and then has guaranteed the security of building, and cement-based waterproof coating has improved the waterproof nature of wall body moreover, has guaranteed the wholeness of building moreover, and life is longer.
Description
Technical Field
The utility model belongs to the technical field of the prefabricated wall, especially, relate to a bolt hole block structure.
Background
The prefabricated wall is a reinforced concrete plate type member for building assembly, which is called a wallboard or a wallboard for short, and is processed and manufactured in a prefabricated factory or a building site.
Prefabricated wall need punch the prefabricated wall after the shaping, operation such as hoist and mount, the in-process of hoist and mount adopts the mode of bolt fastening mostly, then fix and transfer, need pull down fixing bolt after the hoist and mount is accomplished, consequently can leave the bolt jack on the surface of prefabricated wall, in order to keep the wholeness of wall body and the aesthetic property that improves the wall body, need carry out the shutoff with the bolt hole, however current shutoff mode carries out the shutoff for the mode that adopts the concrete directly to fill in mostly.
Concrete can be because concrete and wall body setting's time difference on the one hand at the in-process of shutoff, can produce the gap between the two and break away from, influences connection stability, and the longer hole department of time also can lead to the crack because of wall body self expend with heat and contract with cold's effect, influences the security of building, and the water permeability of concrete is stronger moreover, and the junction takes place the infiltration very easily or drips the hourglass problem, and then influences the wholeness of building.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bolt hole block structure to it is relatively poor, waterproof nature is relatively poor to solve prior art bolt hole block structure stability, leads to the lower technical problem of prefabricated wall body overall stability and life.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a bolt hole plugging structure, comprising:
the prefabricated external wall comprises a prefabricated wall plate and a foam insulation board, wherein a bolt hole is formed in one side of the prefabricated external wall in a penetrating mode, a polyethylene rod is arranged in an inner cavity of the bolt hole, and mortar filling blocks are filled in the inner cavity of the bolt hole and at two ends of the polyethylene rod;
the sealing structure comprises a sealing limiting part and a sealing ring, wherein the sealing limiting part is arranged in an inner cavity of a bolt hole, one side of the sealing limiting part is in contact with the bolt hole, the sealing limiting part comprises a circular plate, the surface of the circular plate is in sliding connection with the inner wall of the bolt hole, the outer side of one side of the circular plate, which is far away from a polyethylene rod, is uniformly provided with protruding pieces, and the surface of the circular plate is provided with threaded holes;
fastening connection spare, fastening connection spare includes threaded rod, threaded rod's surface is equipped with rotatable adapter sleeve through little shape bearing housing, the surface of adapter sleeve evenly is provided with the wedge through the quarter butt, one side welding of wedge has the reinforcing bar ring, the reinforcing bar ring is located threaded rod's the outside.
The utility model discloses as above bolt hole block structure, it is further, the installation cavity with foam insulation board looks adaptation is seted up to the inside of prefabricated wallboard, foam insulation board cooperates with the installation cavity is too hard, the right flank of prefabricated outer wall is provided with cement base waterproof coating.
The utility model discloses as above bolt hole block structure, it is further, the quantity of bolt hole is three, and three bolt hole is located the inside of prefabricated wallboard and installation cavity respectively, and three bolt hole communicates each other.
The utility model discloses as above bolt hole block structure, it is further, the screw thread stock includes that the left end is attacked tooth portion, middle-end connecting portion and right-hand member atress portion, the surface that the tooth portion was attacked to the screw thread stock left end is seted up with the external screw thread of screw thread hole looks adaptation, hexagonal groove has been seted up to the right-hand member of screw thread stock.
The utility model discloses as above bolt hole block structure, it is further, the reinforcing bar ring includes annular reinforcing bar ringlet and horizontal reinforcing bar ringlet, and the quantity of horizontal reinforcing bar ringlet is four and fixed with four wedges respectively, and annular reinforcing bar ringlet and horizontal reinforcing bar ringlet weld, the antiskid groove has all been seted up to the surface of wedge and the internal surface of protruding piece.
The utility model discloses as above bolt hole block structure, it is further, the elongated slot has been seted up to a terminal surface that the mortar filling block is close to the export of bolt hole, the quantity of elongated slot is greater than nine, the width of elongated slot is three millimeters.
The utility model provides a current bolt hole shutoff structural stability relatively poor, waterproof nature is relatively poor, leads to the lower technical problem of prefabricated wall body overall stability and life, and the effect of wall body self expend with heat and contract with cold can have certain elasticity, avoids the building to produce the crack, and then has guaranteed the security of building, and cement-based waterproof coating has improved the waterproof nature of wall body moreover, has guaranteed the wholeness of building moreover, and life is longer.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
fig. 1 is a schematic view of a bolt hole plugging structure according to an embodiment of the present invention;
fig. 2 is a schematic view of point a in fig. 1 according to an embodiment of the present invention;
fig. 3 is a schematic view of a plugging limiting member according to an embodiment of the present invention;
FIG. 4 is a schematic view of a fastening connector according to an embodiment of the present invention;
FIG. 5 is a schematic view of a mortar filling block according to an embodiment of the present invention;
fig. 6 is a schematic view of the surface structure of a polyethylene rod according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the prefabricated external wall comprises a prefabricated external wall body, 101 prefabricated wall boards, 102, a foam insulation board, 103, an installation cavity, 2, bolt holes, 3, polyethylene rods, 4, mortar filling blocks, 5, a blocking limiting piece, 501, a circular plate, 502, a protruding piece, 503, threaded holes, 6, a fastening connecting piece, 601, a threaded long rod, 602, a connecting sleeve, 603, a wedge-shaped block, 604, a reinforcing bar ring, 605, a hexagonal groove, 7, a cement-based waterproof coating, 8 and a long groove.
Detailed Description
Hereinafter, an embodiment of the bolt hole plugging structure of the present invention will be described with reference to the drawings.
Fig. 1-5 show the bolt hole block structure of an embodiment of the present invention, it includes: the prefabricated external wall comprises a prefabricated external wall 1, the thickness of the prefabricated external wall 1 is 340 mm, the prefabricated external wall 1 comprises a prefabricated wall board 101 and a foam insulation board 102, an installation cavity 103 matched with the foam insulation board 102 is formed in the prefabricated wall board 101, the foam insulation board 102 is in over-hard fit with the installation cavity 103, a cement-based waterproof coating 7 is arranged on the right side face of the prefabricated external wall 1, the prefabricated wall board 101 is a prefabricated hollow wall, the foam insulation board 102 is arranged in the prefabricated wall board 101, the wall thickness of the left side of the prefabricated wall board 101 is 200 mm, the wall thickness of the right side of the prefabricated wall board is 60 mm, the thickness of the foam insulation board 102 is 80 mm, bolt holes 2 are formed in one side of the prefabricated external wall 1 in a penetrating mode, the bolt holes 2 are prefabricated connection holes of installation bolts, the number of the bolt holes 2 is three, the three bolt holes 2, the inner cavity of the bolt hole 2 is provided with a polyethylene rod 3, the inner diameter of the polyethylene rod 3 is 10 mm larger than the diameter of the bolt hole 2, mortar filling blocks 4 are filled in the inner cavity of the bolt hole 2 and positioned at two ends of the polyethylene rod 3, the mortar filling blocks 4 are formed by mixing cement and mortar, the quality of the cement and the quality of the mortar are equal, an expanding agent is added in a flowing cement mortar mixture, one end face, close to an outlet of the bolt hole 2, of each mortar filling block 4 is provided with an elongated slot 8, the number of the elongated slots 8 is more than nine, the width of each elongated slot 8 is three mm, the elongated slot 8 can improve the friction coefficient of the joint of the cement-based waterproof coating 7 and the mortar filling block 4, the adhesive force of the cement-based waterproof coating 7 and the prefabricated outer wall 1 is improved, the service life of wall attachments is prolonged, and the mortar filling blocks 4 can achieve the function, the problem that the mortar filling blocks 4 and the prefabricated outer wall 1 generate gaps or fracture under the action of thermal expansion and cold contraction is solved;
the plugging limiting piece 5 is arranged in an inner cavity of the bolt hole 2, one side of the plugging limiting piece 5 is in contact with the bolt hole 2, the plugging limiting piece 5 comprises a circular plate 501, the surface of the circular plate 501 is in sliding connection with the inner wall of the bolt hole 2, the outer side of one side of the circular plate 501, which is far away from the polyethylene rod 3, is uniformly provided with protruding pieces 502, and the surface of the circular plate 501 is provided with a threaded hole 503;
the fastening connecting piece 6 comprises a threaded long rod 601, the threaded long rod 601 comprises a left end tapping part, a middle end connecting part and a right end stress part, an external thread matched with the threaded hole 503 is formed in the surface of the left end tapping part of the threaded long rod 601, a hexagonal groove 605 is formed in the right end of the threaded long rod 601, a rotatable connecting sleeve 602 is sleeved on the surface of the threaded long rod 601 through a miniature bearing, wedge blocks 603 are uniformly arranged on the surface of the connecting sleeve 602 through short rods, reinforcing rings 604 are welded on one sides of the wedge blocks 603 and are located on the outer side of the threaded long rod 601, each reinforcing ring 604 comprises annular reinforcing steel bar thin rings and transverse reinforcing steel bar thin strips, the number of the transverse reinforcing steel bar thin strips is four, the transverse reinforcing steel bar thin rings are respectively welded with the four wedge blocks 603, the annular reinforcing steel bar thin rings are welded with the transverse reinforcing steel bar thin strips, and anti-;
in the scheme of the patent: the surface morphology of the polyethylene rod 3 may be further set to three types as follows: the surface of the polyethylene rod 3 is provided with an annular groove, as shown in fig. 6; the surface of the polyethylene rod 3 is transversely provided with a long groove, and the direction of the long groove is parallel to the axial direction; the surface of the polyethylene rod 3 is provided with grooves which are densely distributed on the surface of the polyethylene rod 3;
through the change of the surface form of the polyethylene rod 3, different polyethylene rods 3 can be replaced according to the material of the wall body and the roughness of the inner wall of the bolt hole 2, the friction force is different, the achieved effect is different, and the purpose of reasonable distribution and use can be achieved.
When in use, an operator firstly takes out a bolt in the bolt hole 2, inserts the polyethylene rod 3 into the inner cavity of the bolt hole 2, because the inner diameter of the polyethylene rod 3 is 10 mm larger than the diameter of the bolt hole 2, and the plasticity of the polyethylene rod 3 is stronger, the polyethylene rod 3 is in over-hard fit contact with the inner wall of the bolt hole 2 through an auxiliary device, and the surface friction of the polyethylene rod 3 is larger, so the polyethylene rod 3 can be stably contacted with the bolt hole 2, then inserts the two plugging limit pieces 5 into two sides of the inner cavity of the bolt hole 2 and contacts with the polyethylene rod 3, then inserts the two fastening connecting pieces 6 into two sides of the inner cavity of the bolt hole 2 and contacts with the plugging limit pieces 5 respectively, so that one end of the threaded long rod 601 is inserted into the inner cavity of the threaded hole 503, then inserts the micro hexagon wrench into the inner cavity of the hexagon slot 605 to drive the threaded long rod 601 to rotate, then the end with the thread of the long threaded rod 601 is matched with the threaded hole 503 and carries towards the direction of the threaded hole 503, then enters the inner cavity of the polyethylene rod 3 through the tapping action of the threaded end of the long threaded rod 601, drives the polyethylene rod 3 to generate expansion deformation and further contacts with the inner wall of the bolt hole 2, then the wedge block 603 contacts with the protruding sheet 502, the reinforcing bar ring 604 plays a role of filler and support, the wedge block 603 extrudes the inner side of the protruding sheet 502 and turns over the protruding sheet 502 under the driving of the long threaded rod 601, so that the blocking and limiting piece 5 is tightly contacted with the inner wall of the bolt hole 2, finally the flowing mortar filling block 4 is filled into the inner cavity of the bolt hole 2 to cover the blocking and limiting piece 5 and the fastening and connecting piece 6, then the long groove 8 with an expansion joint function is arranged at one end of the mortar filling block 4, and the connection stability of the mortar filling block 4 is improved through the reinforcing, and then after the mortar filling blocks 4 are solidified, leveling the surfaces of the mortar filling blocks 4 and the prefabricated external wall 1, and finally smearing the cement-based waterproof coating 7 on the surface of the prefabricated external wall 1.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.
Claims (6)
1. A bolt hole plugging structure, comprising: the prefabricated external wall comprises a prefabricated wall plate and a foam insulation board, wherein a bolt hole is formed in one side of the prefabricated external wall in a penetrating mode, a polyethylene rod is arranged in an inner cavity of the bolt hole, and mortar filling blocks are filled in the inner cavity of the bolt hole and positioned at two ends of the polyethylene rod; the blocking and limiting part is arranged in an inner cavity of the bolt hole, one side of the blocking and limiting part is in contact with the bolt hole, the blocking and limiting part comprises a circular plate, the surface of the circular plate is in sliding connection with the inner wall of the bolt hole, protruding pieces are uniformly arranged on the outer side of the circular plate, which is far away from one side of the polyethylene rod, and a threaded hole is formed in the surface of the circular plate; fastening connection spare includes threaded rod, threaded rod's surface is equipped with rotatable adapter sleeve through little shape bearing housing, the surface of adapter sleeve evenly is provided with the wedge through the quarter butt, one side welding of wedge has the reinforcing bar ring, the reinforcing bar ring is located threaded rod's the outside.
2. The bolt hole plugging structure according to claim 1, wherein an installation cavity matched with the foam insulation board is formed in the prefabricated wall board, the foam insulation board is in over-hard fit with the installation cavity, and a cement-based waterproof coating is arranged on the right side surface of the prefabricated outer wall.
3. The bolt hole plugging structure according to claim 2, wherein the number of the bolt holes is three, the three bolt holes are respectively located inside the prefabricated wall panel and the installation cavity, and the three bolt holes are communicated with each other.
4. The structure for plugging the bolt holes according to claim 3, wherein the threaded long rod comprises a left end tapping part, a middle end connecting part and a right end stress part, the surface of the left end tapping part of the threaded long rod is provided with an external thread matched with the threaded hole, and the right end of the threaded long rod is provided with a hexagonal groove.
5. The structure for plugging the bolt hole according to claim 4, wherein the reinforcement ring comprises four annular reinforcement rings and four transverse reinforcement bars, the four transverse reinforcement bars are respectively fixed to the four wedge-shaped blocks, the annular reinforcement rings and the transverse reinforcement bars are welded, and anti-skid grooves are formed in the outer surfaces of the wedge-shaped blocks and the inner surfaces of the protruding pieces.
6. The bolt hole plugging structure according to claim 5, wherein an elongated slot is formed in one end face of the mortar filling block close to the bolt hole outlet, the number of the elongated slots is more than nine, and the width of each elongated slot is three millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920525836.1U CN209941925U (en) | 2019-04-18 | 2019-04-18 | Bolt hole plugging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920525836.1U CN209941925U (en) | 2019-04-18 | 2019-04-18 | Bolt hole plugging structure |
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| Publication Number | Publication Date |
|---|---|
| CN209941925U true CN209941925U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920525836.1U Active CN209941925U (en) | 2019-04-18 | 2019-04-18 | Bolt hole plugging structure |
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| CN (1) | CN209941925U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854488A (en) * | 2021-01-15 | 2021-05-28 | 北京崇建工程有限公司 | Method for plugging assembled outer wall hole |
| CN113684934A (en) * | 2021-07-21 | 2021-11-23 | 安徽朗凯奇建材有限公司 | Waterproof treatment structure and method for interface joint of building wall |
| CN113737969A (en) * | 2021-09-02 | 2021-12-03 | 三维建设工程咨询有限公司 | Wall split bolt hole plugging method |
-
2019
- 2019-04-18 CN CN201920525836.1U patent/CN209941925U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854488A (en) * | 2021-01-15 | 2021-05-28 | 北京崇建工程有限公司 | Method for plugging assembled outer wall hole |
| CN112854488B (en) * | 2021-01-15 | 2022-07-19 | 北京崇建工程有限公司 | Method for plugging assembled outer wall hole |
| CN113684934A (en) * | 2021-07-21 | 2021-11-23 | 安徽朗凯奇建材有限公司 | Waterproof treatment structure and method for interface joint of building wall |
| CN113737969A (en) * | 2021-09-02 | 2021-12-03 | 三维建设工程咨询有限公司 | Wall split bolt hole plugging method |
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