CN-224200053-U - Assembled component stretch-draw pre-buried sleeve

CN224200053UCN 224200053 UCN224200053 UCN 224200053UCN-224200053-U

Abstract

The utility model provides an assembled component stretch-draw pre-buried sleeve, relates to assembled building construction technical field, including the sleeve body, the outer wall of sleeve body along axial distribution have a plurality of anti-pulling ring, the anti-pulling ring be horn mouth form, the section of anti-pulling ring is triangle-shaped, triangle-shaped's base and sleeve body outer wall body coupling, the one end of sleeve body be equipped with anti-pulling piece, the other end is uncovered, the open end of horn mouth form towards the open one side of sleeve body, be equipped with the internal thread at the inner wall of sleeve body. The utility model discloses can show the resistance to plucking ability that improves pre-buried sleeve, avoid drawing off the possibility in the follow component, and then effectively guarantee the prefabricated tightness of structure connection of prestretching, guarantee structural safety.

Inventors

SUN XIAO
SHEN HONGYUE
ZHOU FENGYING
LIU ZONGQIANG

Assignees

山东泰迅装配式建筑科技有限公司
青岛青建理工建筑工业化研究院有限公司

Dates

Publication Date: 20260505
Application Date: 20250603

Claims (7)

1. The assembled component tensioning embedded sleeve is characterized by comprising a sleeve body, wherein a plurality of anti-pulling rings are axially distributed on the outer wall of the sleeve body, the anti-pulling rings are in a horn mouth shape, the cross section of each anti-pulling ring is triangular, the bottom edge of each triangle is integrally connected with the outer wall of the sleeve body, an anti-pulling block is arranged at one end of the sleeve body, the other end of the sleeve body is open, the open end of the horn mouth shape faces one side of the opening of the sleeve body, and an internal thread is arranged on the inner wall of the sleeve body.
2. The prefabricated component tensioning embedded sleeve of claim 1, wherein the outer diameter of the open end of the anti-pulling ring is sequentially reduced from the end provided with the anti-pulling block to the end provided with the opening, and the sleeve body integrally forms a conical structure.
3. The prefabricated component tensioning embedded sleeve of claim 2, wherein the anti-pulling blocks are of a cubic structure, and the length and the width of the anti-pulling blocks are larger than the opening outer diameter of the maximum-size anti-pulling ring.
4. The prefabricated component tensioning embedded sleeve of claim 3, wherein the anti-pulling block is provided with a through rib hole in a direction perpendicular to the axis of the sleeve body, and the through rib hole is provided with an anti-pulling steel bar in a penetrating way.
5. The prefabricated component tensioning embedded sleeve of claim 4, wherein the 4 side walls of the pulling-resistant block are uniformly connected with blocking blocks with right-angled triangle cross sections, 1 right-angle side of each blocking block is integrally connected with the side wall of the pulling-resistant block, and the other right-angle side faces towards one side of the opening of the sleeve body.
6. The prefabricated component tensioning embedded sleeve of claim 5, wherein one end of the anti-pulling steel bar, which is far away from the opening of the sleeve body, abuts against the outer surface of the blocking block.
7. The prefabricated component tensioning embedded sleeve of claim 6, wherein two ends of the anti-pulling steel bar are bent.

Description

Assembled component stretch-draw pre-buried sleeve Technical Field The utility model relates to an assembled building construction technical field, concretely relates to prefabricated component stretch-draw pre-buried sleeve. Background The firm connection between the assembled components is related to the strength of the whole building structure, as shown in fig. 5, a common way of connecting the assembled components by prestress tensioning is provided, in which, one end of the first component is provided with a pre-buried sleeve, the open end of the pre-buried sleeve is flush with the surface of the first component and is screwed with a pre-pulling rod, the pre-pulling rod penetrates through the reserved holes of the second components, and finally the first component and the second components are tensioned together by an anchoring device. However, the existing embedded sleeve has a simple structure, the surface is only provided with simple anti-pulling lines, although the rear end of the embedded sleeve is provided with a through hole for inserting an anti-pulling steel bar, the embedded sleeve still is pulled out from a first component in actual use, and the existing embedded sleeve is necessary to be improved in order to ensure the integral connection strength of the structure. Disclosure of utility model The utility model discloses an assembled component stretch-draw pre-buried sleeve aims at improving pre-buried sleeve's tensile strength. In order to achieve the above purpose, the technical scheme of the utility model is that: The utility model provides an assembled component stretch-draw pre-buried sleeve, includes the sleeve body, the outer wall of sleeve body along axial distribution have a plurality of anti-pulling ring, the anti-pulling ring be horn mouth form, the section of anti-pulling ring is triangle-shaped, triangle-shaped's base and sleeve body outer wall body coupling, the one end of sleeve body be equipped with anti-pulling piece, the other end is uncovered, the open end of horn mouth form towards the open one side of sleeve body, be equipped with the internal thread at the inner wall of sleeve body. Preferably, the outer diameter of the opening end of the anti-pulling ring is sequentially reduced from the end provided with the anti-pulling block to the end provided with the opening, and the whole sleeve body forms a conical structure. Preferably, the anti-pulling block is of a cube structure, and the length and the width of the anti-pulling block are both larger than the outer diameter of the opening of the maximum-size anti-pulling ring. Preferably, the anti-pulling block is provided with a through rib hole in a penetrating way along the direction perpendicular to the axis of the sleeve body, and the through rib hole is provided with an anti-pulling steel bar in a penetrating way. Preferably, the blocking blocks with right triangle cross sections are uniformly connected to the 4 side walls of the anti-pulling block, 1 right-angle side of the blocking block is integrally connected with the side wall of the anti-pulling block, and the other right-angle side faces towards one side of the opening of the sleeve body. Preferably, one end of the anti-pulling steel bar, which is far away from the opening of the sleeve body, is propped against the outer surface of the blocking block. Preferably, the two ends of the anti-pulling steel bar are subjected to bending treatment. The utility model relates to an assembled component stretch-draw pre-buried sleeve's beneficial effect: The utility model discloses can show the resistance to plucking ability that improves pre-buried sleeve, avoid drawing off the possibility in the follow component, and then effectively guarantee the prefabricated tightness of structure connection of prestretching, guarantee structural safety. Drawings The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation. FIG. 1 is a schematic view of the front cross-sectional structure of the present novel; FIG. 2 is a schematic elevational view of the present novel structure; FIG. 3, a schematic top view of the present invention (with the anti-extraction bars removed); FIG. 4 is a schematic side view of the present novel structure; fig. 5 is a schematic structural diagram of the construction principle of the prior embedded sleeve. 1. The novel anti-pulling sleeve comprises a first component, a conventional embedded sleeve, a pre-pulling rod, an anchor, a second component, 211, a sleeve body, 212, internal threads, 213, an anti-pulling ring, 214, an anti-pulling block, 215, anti-pulling steel bars, 216, a blocking block, 217, a steel bar penetrating hole, 218 and an inner cavity of the sleeve body. Detailed Description The technical solutions o