CN216340975U - Wall bolt centrum cover and wall bolt - Google Patents
Wall bolt centrum cover and wall bolt Download PDFInfo
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- CN216340975U CN216340975U CN202120595865.2U CN202120595865U CN216340975U CN 216340975 U CN216340975 U CN 216340975U CN 202120595865 U CN202120595865 U CN 202120595865U CN 216340975 U CN216340975 U CN 216340975U
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- wall bolt
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Abstract
The utility model relates to the technical field of building construction, and aims to solve the problems that in the prior art, wall-through bolt hole plugging mortar is not easy to combine with old concrete tightly, and cracking and leakage risks exist; because the sleeve body of the wall-penetrating bolt centrum sleeve is provided with the convex structure, when the concrete between the inner template and the outer template of the wall body is formed, the wall-penetrating bolt is taken out, the concrete surface around the inner side of the hole of the wall-penetrating bolt is concave-convex, and when the hole is filled with the plugging mortar subsequently, the contact area between the concrete and the plugging mortar is increased, so that the firm bonding between the concrete and the plugging mortar can be ensured, and the phenomena of cracking and leakage are not easy to occur.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a wall bolt cone sleeve and a wall bolt.
Background
The through-wall bolt is also called a split bolt (split screw) and is used for the tie between the inner template and the outer template of the wall body, bearing the lateral pressure and other loads of concrete, ensuring that the space between the inner template and the outer template can meet the design requirements, and simultaneously being the fulcrum of the template and the supporting structure thereof, and when the construction of the concrete wall body is completed, the screw of the through-wall bolt can be drawn out for reuse.
The wall-penetrating bolt in the prior art generally comprises an intermediate screw rod positioned between an inner template and an outer template, two ends of the intermediate screw rod are respectively connected with a wall-penetrating bolt cone, one end of each wall-penetrating bolt cone and one end of the intermediate screw rod are smaller in diameter, one end of each wall-penetrating bolt cone with the larger diameter is connected with one end screw rod, the end screw rods are positioned on the outer sides of the templates, and a mountain-shaped clamp is further arranged between each end screw rod and the corresponding template and used for fixing a steel pipe.
Due to the fact that the surface of the through-wall bolt cone is smooth, the concrete surface around the inner side of the hole is smooth after the through-wall bolt hole is formed, and the later-stage through-wall bolt cone hole plugging mortar is not easily combined with old concrete to be compact, and the risk of cracking and leakage exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a through-wall bolt cone sleeve and a through-wall bolt, and aims to solve the problems that the later-period through-wall bolt cone hole plugging mortar is not easy to combine with old concrete tightly and has cracking and leakage risks due to the fact that the surface of the through-wall bolt cone is smooth and the surface of the concrete around the inner side of a hole is smooth after a through-wall bolt hole is formed.
The embodiment of the utility model is realized by the following steps:
a wall-penetrating bolt centrum sleeve comprises a sleeve body matched with a wall-penetrating bolt centrum body, and a plurality of protruding structures are arranged on the surface of the sleeve body.
Because the sleeve body of the wall-penetrating bolt centrum sleeve is provided with the convex structure, when the concrete between the inner template and the outer template of the wall body is formed, the wall-penetrating bolt is taken out, the concrete surface around the inner side of the hole of the wall-penetrating bolt is concave-convex, and when the hole is filled with the plugging mortar subsequently, the contact area between the concrete and the plugging mortar is increased, so that the firm bonding between the concrete and the plugging mortar can be ensured, and the phenomena of cracking and leakage are not easy to occur.
In one embodiment:
the sleeve body is provided with two openings, and the two openings correspond to the two end faces of the through-wall bolt cone respectively. The wall-penetrating bolt centrum sleeve is convenient to take down or sleeve outside the wall-penetrating bolt centrum sleeve, and the damaged wall-penetrating bolt centrum sleeve is convenient to replace.
In one embodiment:
the raised structure is a rib, a rib ring or a bump. The concrete surface around the inner side of the through-wall bolt hole is uneven, and then subsequent concrete and plugging mortar are firmly bonded.
In one embodiment:
the convex structures are uniformly distributed on the surface of the sleeve body. The subsequent concrete and the plugging mortar are convenient to uniformly distribute the bonding force, and the connection is more stable.
In one embodiment:
the rib rings are arranged at intervals along the axial direction of the through-wall bolt cone. So that the concrete in the hole is firmly bonded with the plugging mortar.
In one embodiment:
the protruding structure is a hard structural part. The concrete which is in contact with the through-wall bolt cone body can form a concave-convex structure conveniently.
In one embodiment:
the sleeve body is an elastic structural member. The sleeve body has certain elasticity, so that the sleeve body can be conveniently sleeved outside the wall-penetrating bolt cone body and is not easy to fall off from the wall-penetrating bolt cone body.
In one embodiment:
the sleeve body is made of elastic rubber or elastic plastic, and the protrusion is made of hard rubber or hard plastic.
The utility model provides a through-wall bolt, includes two through-wall bolt centrums, every through-wall bolt centrum all includes first end and second end, the terminal surface area of first end is less than the terminal surface area of second end, two the first end of through-wall bolt centrum is connected respectively in the both ends of middle screw rod, two the second end of through-wall bolt centrum connects an end screw rod respectively, through-wall bolt centrum overcoat is equipped with through-wall bolt centrum cover.
When the wall-through bolt is used for construction, the middle screw rod and the wall-through bolt cone are arranged between the wall inner template and the wall outer template, the end screw rod is arranged on the outer sides of the wall inner template and the wall outer template, the wall-through bolt cone sleeve is sleeved outside the wall-through bolt cone sleeve, the wall-through bolt cone sleeve is provided with the protruding structure, concrete is poured between the wall inner template and the wall outer template, the wall-through bolt is taken out after the concrete is formed, the concrete surface on the periphery of the inner side of the hole of the wall-through bolt is concave-convex, and therefore the phenomenon that the concrete and the blocking mortar are firmly bonded and are not prone to cracking and leakage when the blocking mortar is used for filling the hole subsequently can be ensured. And the middle screw rod, the wall-penetrating bolt cone sleeve and the end screw rod can be repeatedly used, so that the engineering cost can be saved.
In one embodiment:
the wall-penetrating bolt cone sleeve is detachably connected with the wall-penetrating bolt cone. The wall-penetrating bolt centrum sleeve is convenient to take down or sleeve outside the wall-penetrating bolt centrum sleeve, and the damaged wall-penetrating bolt centrum sleeve is convenient to replace.
In one embodiment:
a mountain-shaped clamp is further arranged between the end screw rod and the wall penetrating bolt cone connected with the end screw rod. The steel pipe fixing device is used for fixing a steel pipe, strengthening the tensile force between the inner formwork and the outer formwork of the wall body and resisting the lateral pressure of concrete.
In one embodiment:
the first end and the second end of the through-wall bolt cone body are both provided with internal threads, the first end of the through-wall bolt cone body is in threaded connection with the middle screw rod, and the second end of the through-wall bolt cone body is in threaded connection with the end screw rod.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. because the sleeve body of the wall-penetrating bolt centrum sleeve is provided with the convex structure, when the concrete between the inner template and the outer template of the wall body is formed, the wall-penetrating bolt is taken out, the concrete surface around the inner side of the hole of the wall-penetrating bolt is concave-convex, and when the hole is filled with the plugging mortar in the subsequent process, the contact area between the concrete and the plugging mortar is increased, so that the firm bonding between the concrete and the plugging mortar can be ensured, the connection is more stable and reliable, and the phenomena of cracking and leakage are not easy to occur.
2. The wall-penetrating bolt centrum sleeve is detachably connected with the wall-penetrating bolt centrum, so that the wall-penetrating bolt centrum sleeve is conveniently taken down or sleeved outside the wall-penetrating bolt centrum, and the damaged wall-penetrating bolt centrum sleeve is also convenient to replace.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings referred to in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of the wall-through bolt cone sleeve according to the present invention.
Fig. 2 is a cross-sectional view taken along the direction I-I of fig. 1.
Fig. 3 is a schematic structural view of the wall bolt according to the present invention.
Icon: 1-a sleeve body; 11-a raised structure; 2-wall bolt cone; 3-middle screw rod; 4-end screw rod; 5-mountain card.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Example 1
Referring to fig. 1-2, the embodiment provides a wall-penetrating bolt centrum sleeve, which includes a sleeve body 1 adapted to a wall-penetrating bolt centrum 2, wherein the sleeve body 1 is provided with two openings, the two openings correspond to two end surfaces of the wall-penetrating bolt centrum 2, the sizes of the two openings are slightly smaller than the area of the end surfaces of the wall-penetrating bolt centrum 2 corresponding to the two openings, and the sleeve body 1 is made of elastic rubber or elastic plastic, so that the wall-penetrating bolt centrum sleeve can be stably sleeved outside the wall-penetrating bolt centrum 2, and is not easy to fall off from the wall-penetrating bolt centrum 2.
The inner surface of the sleeve body 1 is smooth, the outer surface of the sleeve body 1 is provided with a plurality of protruding structures 11, the protruding structures 11 are a plurality of rib rings, and the rib rings are uniformly arranged at intervals along the axis direction of the through-wall bolt cone 2. The sleeve body 1 is made of elastic rubber or elastic plastic, and the protrusion is made of hard rubber or hard plastic.
Because the sleeve body 1 of the wall-penetrating bolt centrum sleeve is provided with the protruding structure 11, after concrete between the wall inner formwork and the wall outer formwork is formed, the wall-penetrating bolt is taken out, the concrete surface around the inner side of the hole of the wall-penetrating bolt is concave-convex, when the hole is filled with plugging mortar in the follow-up process, the contact area between the concrete and the plugging mortar is increased, so that firm bonding between the concrete and the plugging mortar can be ensured, and the phenomena of cracking and leakage are not easy to occur.
The use method of the wall-penetrating bolt cone sleeve is also very simple, the wall-penetrating bolt cone sleeve is gradually and completely sleeved outside the wall-penetrating bolt cone 2 from the smaller end face of the wall-penetrating bolt cone 2, so that the wall-penetrating bolt cone sleeve completely surrounds the side curved surface of the wall-penetrating bolt cone 2, and then the wall-penetrating bolt cone sleeve is flattened to be free of wrinkles.
Example 2
The present embodiment is different from embodiment 1 in that the raised structure 11 is a plurality of ribs, the ribs are strip-shaped structures, the length direction of the ribs is consistent with the axial direction of the through-wall bolt cone 2, and all the ribs are uniformly arranged at intervals along the circumferential direction of the through-wall bolt cone 2.
Example 3
The difference between this embodiment and embodiment 1 is that the protruding structures 11 are a plurality of bumps, and all the bumps are uniformly spaced on the surface of the sleeve body 1.
Example 4
Referring to fig. 3, the embodiment provides a wall bolt, which includes two wall bolt cones 2, each of the wall bolt cones 2 includes a first end and a second end, an end surface area of the first end is smaller than an end surface area of the second end, the first ends of the two wall bolt cones 2 are respectively in threaded connection with two ends of the middle screw rod 3, and the second ends of the two wall bolt cones 2 are respectively in threaded connection with one end screw rod 4.
The wall-penetrating bolt cone sleeve is sleeved outside the wall-penetrating bolt cone 2 and is in detachable connection with the wall-penetrating bolt cone 2 in the embodiment 1.
And a mountain-shaped clamp 5 is also arranged between the end screw rod 4 and the wall-penetrating bolt cone 2 connected with the end screw rod. The steel pipe fixing device is used for fixing a steel pipe, strengthening the tensile force between the inner formwork and the outer formwork of the wall body and resisting the lateral pressure of concrete.
The construction steps using the wall bolt include:
1. after the reinforcing steel bar and the formwork batten are installed, the wall-penetrating bolt cone on which the wall-penetrating bolt cone sleeve is sleeved is screwed up with the middle screw rod, the wall-penetrating bolt cone sleeve is uniformly coated with a release agent, and the wall-penetrating bolt cone sleeve is installed at a position corresponding to the formwork bolt hole, and is noticed: the reinforcing steel bars are prevented from being rubbed with the centrum sleeve of the through-wall bolt in the installation process, and the centrum sleeve of the through-wall bolt is prevented from being damaged.
2. And installing end screw rods, and screwing the end screw rods and the corresponding wall-penetrating bolt centrums.
3. According to the formwork removal requirement of undetermined design strength of concrete, firstly, an end screw is removed, a back ridge and a formwork are removed, a wall-penetrating bolt cone is lightly knocked, the wall-penetrating bolt cone sleeve is turned out towards the periphery, and the wall-penetrating bolt cone is taken out. After the wall-through bolt cone is completely removed, the wall-through bolt cone is gently pulled towards the center of the hole, so that the wall-through bolt cone is separated from the surface of the concrete from inside to outside, and then the middle screw rod is taken out.
4. After holes are wetted by clear water, the holes (the depth is 50-60 mm) are filled by adopting expanded cement mortar (the mixing amount of an expanding agent accounts for 3% of the weight of the cement), and then the surface is smoothed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a wall bolt centrum cover which characterized in that:
the wall bolt sleeve comprises a sleeve body (1) matched with a wall bolt cone body (2), wherein a plurality of protruding structures (11) are arranged on the surface of the sleeve body (1);
the sleeve body (1) is provided with two openings, and the two openings correspond to the two end faces of the through-wall bolt cone body (2) respectively.
2. A wall bolt cone sleeve according to claim 1, wherein:
the raised structure (11) is a rib, a rib ring or a bump.
3. A wall bolt cone sleeve according to claim 2 wherein:
the convex structures (11) are uniformly distributed on the surface of the sleeve body (1).
4. A wall bolt cone sleeve according to claim 3 wherein:
the rib rings are arranged at intervals along the axial direction of the through-wall bolt cone (2).
5. A through-wall bolt cone sleeve according to any one of claims 1-4, wherein:
the protruding structure (11) is a hard structural part.
6. A through-wall bolt cone sleeve according to claim 5, wherein:
the sleeve body (1) is an elastic structural member.
7. A wall bolt cone sleeve according to claim 6 wherein:
the sleeve body (1) is made of elastic rubber or elastic plastic, and the protrusions are made of hard rubber or hard plastic.
8. The utility model provides a through-wall bolt, includes two through-wall bolt centrums (2), every through-wall bolt centrum (2) all include first end and second end, the terminal surface area of first end is less than the terminal surface area of second end, two the first end of through-wall bolt centrum (2) is connected respectively in the both ends of middle screw rod (3), two the second end of through-wall bolt centrum (2) is connected respectively one and is held screw rod (4), its characterized in that:
the wall-penetrating bolt cone (2) is externally sleeved with the wall-penetrating bolt cone sleeve according to any one of claims 1 to 7.
9. A through-wall bolt as defined in claim 8 wherein:
the wall-penetrating bolt cone sleeve is detachably connected with the wall-penetrating bolt cone (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120595865.2U CN216340975U (en) | 2021-03-24 | 2021-03-24 | Wall bolt centrum cover and wall bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120595865.2U CN216340975U (en) | 2021-03-24 | 2021-03-24 | Wall bolt centrum cover and wall bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216340975U true CN216340975U (en) | 2022-04-19 |
Family
ID=81129619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120595865.2U Active CN216340975U (en) | 2021-03-24 | 2021-03-24 | Wall bolt centrum cover and wall bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216340975U (en) |
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2021
- 2021-03-24 CN CN202120595865.2U patent/CN216340975U/en active Active
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