CN216475599U

CN216475599U - Pre-buried internal thread sleeve for prefabricated building

Info

Publication number: CN216475599U
Application number: CN202122818387.XU
Authority: CN
Inventors: 董亚臣; 董超超; 张振山
Original assignee: Langfang Chengxinyu Hardware Products Co ltd
Current assignee: Langfang Chengxinyu Hardware Products Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-10
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a pre-buried internal thread sleeve for an assembly type building, wherein internal threads are carved on the inner side wall of the sleeve, an anti-falling block is installed at the upper end of the outer wall of the sleeve, a sharp rod is fixedly installed at the middle lower part of the outer wall of the sleeve, 2 elastic rings are installed on the outer wall of the sleeve in a surrounding mode, a top plate is installed at the upper end of the sleeve in a welding mode, and the sleeve is provided with an inner cylinder; the middle part of the top plate is provided with a round through hole with the same size as the inner wall of the sleeve, the upper end of the top plate is provided with a rotary groove, and the top plate is rotationally connected with a rotary block at the lower end of the sealing cover through the rotary groove; a spring device is fixedly arranged in the rotary groove, and a fixed groove is respectively arranged on one end face of the rotary groove and is connected with the fixed rod in an embedded manner; the lower end of the sealing cover is fixedly provided with 2 arc-shaped rotating blocks corresponding to the rotating grooves; the problem of the concrete drop at the in-process of hoist and mount is solved, sleeve fixed ability has been improved, and the sealed lid of installation has effectually prevented that dust and mud from entering into the section of thick bamboo wall, provides the guarantee for sleeve and hoist and mount bolted connection.

Description

Pre-buried internal thread sleeve for prefabricated building

Technical Field

The utility model relates to an internal thread sleeve device, in particular to a pre-embedded internal thread sleeve for an assembly type building.

Background

Along with the rapid development of modern science and technology and the rise of novel material, the building trade is the brand-new change that takes place also, the very big convenient construction of the application of various novel assembled building materials, reduce manufacturing cost and improve engineering efficiency, still need use machinery hoist and mount to various materials of assembled building now, can bury the internal thread sleeve underground in advance in the concrete before carrying out machinery hoist and mount, the internal thread sleeve is the important auxiliary component who passes power in advance, generally combine the bolt to use together, in the operations such as the concrete shaping and the concrete material hoist and mount in wide application and the building trade, be the indispensable mechanism in the modern building trade. Common pre-buried internal thread sleeve in having a lot on each big building site, nevertheless discovery most pre-buried internal thread sleeve's fixed ability is not enough in the in-service use, especially, carry out concrete material's assembly and lift by crane the in-process and often pulled out by accident, lead to the concrete material shaping difficulty, and self structural strength is not enough, the damage often appears, and then influence the security of whole structure, do not set up block structure on leaving the opening of bolt in many traditional pre-buried internal thread sleeve upper ends simultaneously, it is inside often to lead to concrete or mud and other impurity to get into the internal thread sleeve like this, the leakproofness is relatively poor, cause inside to block up to make the bolt can't get into smoothly, in-service use gets up to have inconveniently more.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide an internally threaded sleeve for a fabricated building.

According to the technical solution provided by the embodiment of the present application,

an internal thread is carved on the inner side wall of the sleeve, an anti-falling block is installed at the upper end of the outer wall of the sleeve, a sharp rod is fixedly installed at the middle lower part of the outer wall of the sleeve, 2 elastic rings are installed on the outer wall of the sleeve in a surrounding mode, a top plate is installed at the upper end of the sleeve in a welding mode, and the sleeve is provided with an inner cylinder;

the middle part of the top plate is provided with a round through hole with the same size as the inner wall of the sleeve, the upper end of the top plate is provided with a rotary groove, and the top plate is rotationally connected with a rotary block at the lower end of the sealing cover through the rotary groove;

the rotary groove is provided with two semicircular arc grooves, a spring device is fixedly arranged in the rotary groove, and one end face of the rotary groove is respectively provided with a fixed groove and is connected with the fixed rod in an embedded manner;

sealed upper end bilateral symmetry is installed 2 and is twisted the piece, the lower extreme fixed mounting of sealed lid has 2 arc commentaries on classics pieces that correspond with the rotary trough.

In the utility model, the number of the anti-falling blocks is two, the anti-falling blocks are symmetrically arranged on the outer side of the sleeve, and the lower ends of the anti-falling blocks are provided with the elastic rings.

In the utility model, 2 pointed rods are respectively arranged at the lower end of the anti-falling block, the upper ends of the pointed rods are round rods and are conical, and elastic rings are arranged at the lower ends of the pointed rods and the anti-falling block.

In the utility model, the top plate is a circular plate and is welded and installed at the upper end of the sleeve.

In the utility model, the number of the spring devices is 4, two spring devices are 1 group and are respectively welded and installed in the rotary groove, and the upper end of each spring device is contacted with the upper end of the rotary block.

In the utility model, the number of the rotating blocks is 2, and the end surfaces of the rotating blocks, which are respectively contacted with the two rotating grooves, are fixedly provided with the fixing rods.

In the utility model, 2 screw rods are welded and installed at two ends of the sealing cover.

To sum up, the beneficial effect of this application: the problem of the concrete drop at the in-process of hoist and mount is solved, sleeve fixed ability has been improved, and the sealed lid of installation has effectually prevented that dust and mud from entering into the section of thick bamboo wall, provides the guarantee for sleeve and hoist and mount bolted connection.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top sectional view of the present invention.

Reference numbers in the figures: the anti-falling device comprises a sleeve-1, an anti-falling block-2, a sharp rod-3, a spring ring-4, a top plate-5, a spring device-6, a rotary groove-7, a rotary block-8, a sealing cover-9, a twisting rod-10, a fixed rod-11, a fixed groove-12, an internal thread-13 and a sleeve-14.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, an internal thread 13 is carved on the inner side wall of a sleeve 1, an anti-falling block 2 is installed at the upper end of the outer wall of the sleeve 1, a sharp rod 3 is fixedly installed at the middle lower part of the outer wall of the

sleeve

1, 2 elastic rings 4 are installed on the outer wall of the sleeve 1 in a surrounding manner, a top plate 5 is welded and installed at the upper end of the sleeve 1, and the sleeve 1 is provided with an inner cylinder 14;

a round through hole with the same size as the inner wall of the sleeve 1 is formed in the middle of the top plate 5, a rotary groove 7 is formed in the upper end of the top plate 5, and the top plate 5 is rotatably connected with a rotary block 8 at the lower end of a sealing cover 9 through the rotary groove 7;

the number of the rotary grooves 7 is two, the number of the semi-circular arc-shaped grooves is two, the spring devices 6 are fixedly arranged in the rotary grooves 7, and one end face of each rotary groove 7 is provided with a fixed groove 7 and is connected with the fixed rod 11 in an embedded mode;

2 screwing blocks 10 are symmetrically arranged on two sides of the upper end of the sealing

cover

9, and 2 arc-shaped rotating blocks 8 corresponding to the rotating grooves 7 are fixedly arranged at the lower end of the sealing cover 9;

as shown in fig. 1 and 2, when the sleeve 1 is installed, firstly, the sleeve 1 is placed in a working area and concrete is poured around, the anti-falling block 2 and the sharp rod 3 on the sleeve 1 increase the fastening force for the sleeve 1, the sealing cover 9 is placed on the top plate 5 through the screw rod 10, after the rotating block 8 at the lower end of the sealing cover 9 is placed in the rotating groove 7 on the top plate 5, the rotating block 8 is in close contact with the spring device 6 in the rotating groove 7, the sealing cover 9 is rotated clockwise through the screw rod 10 at the upper end of the sealing cover 9, the rotating block 8 is rotated clockwise in the rotating groove 7 at the moment, the spring device 6 is automatically pressed downwards until the fixing rod 11 on the rotating block 8 is embedded and installed with the angle fixing groove 12 at one end of the sealing cover 9, so that the sealing cover 9 seals and places dust and mud into the sleeve 1, when the assembly and hoisting of the concrete material are required, can 9 anticlockwise rotations of sealed lid take off sealed lid 9, then directly insert the hoisting bolt inside sleeve 1, the screw thread through 1 inner wall of sleeve rotates the bolt and can accomplish bolt and sleeve 1's connection fixed, the anticreep piece 2 that the work goes on the setting of 1 outer wall of sleeve 1 and sharp pole 3 can be firmly fixed the concrete, prevent that sleeve 1 from being extracted by accident in the concrete, and the power that comes from the horizontal direction can be absorbed to the elastic ring 4 on the sleeve 1 and the buffering, the intensity of 1 main part of sleeve 1 can be strengthened to the inner tube 7 of sleeve 1 inside, prevent that sleeve 1 from being broken and damage.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the utility model according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a pre-buried internal thread sleeve for assembly type structure which characterized by:

an internal thread (13) is carved on the inner side wall of the sleeve (1), an anti-falling block (2) is installed at the upper end of the outer wall of the sleeve (1), a sharp rod (3) is fixedly installed at the middle lower part of the outer wall of the sleeve (1), 2 elastic rings (4) are installed on the outer wall of the sleeve (1) in a surrounding mode, a top plate (5) is installed at the upper end of the sleeve (1) in a welding mode, and the sleeve (1) is provided with an inner cylinder (14);

a round through hole with the same size as the inner wall of the sleeve (1) is formed in the middle of the top plate (5), a rotary groove (7) is formed in the upper end of the top plate (5), and the top plate (5) is rotatably connected with a rotary block (8) at the lower end of the sealing cover (9) through the rotary groove (7);

the number of the rotary grooves (7) is two, the number of the semi-circular arc-shaped grooves is two, the spring devices (6) are fixedly arranged in the rotary grooves (7), and one end face of each rotary groove (7) is provided with a fixed groove (12) and is connected with the fixed rod (11) in an embedded mode;

2 twisting rods (10) are symmetrically arranged on two sides of the upper end of the sealing cover (9), and 2 arc-shaped rotating blocks (8) corresponding to the rotating grooves (7) are fixedly arranged at the lower end of the sealing cover (9).

2. The pre-embedded internal thread sleeve for the fabricated building as claimed in claim 1, wherein: anticreep piece (2) quantity has two, anticreep piece (2) symmetry is installed in sleeve (1) outside, bullet circle (4) are installed to the lower extreme of anticreep piece (2).

3. The pre-embedded internal thread sleeve for the fabricated building as claimed in claim 1, wherein: the quantity of sharp pole (3) has 2 to install respectively at anticreep piece (2) lower extreme, sharp pole (3) are circular pole upper end and are conical, bullet circle (4) are all installed to the lower extreme of sharp pole (3) and anticreep piece (2).

4. The pre-embedded internally threaded sleeve for the fabricated building as set forth in claim 1, wherein: the top plate (5) is a circular plate and is welded and installed at the upper end of the sleeve (1).

5. The pre-embedded internal thread sleeve for the fabricated building as claimed in claim 1, wherein: spring assembly (6) quantity has 4, two spring assembly (6) are 1 group respectively welded mounting in commentaries on classics groove (7), spring assembly (6) upper end and commentaries on classics piece (8) upper end contact.

6. The pre-embedded internal thread sleeve for the fabricated building as claimed in claim 1, wherein: the number of the rotating blocks (8) is 2, and the rotating blocks (8) are fixedly provided with fixing rods (11) on the end surfaces which are respectively contacted with the two rotating grooves (7).

7. The pre-embedded internal thread sleeve for the fabricated building as claimed in claim 1, wherein: the number of the screw rods (10) is 2, and the screw rods are welded and installed at two ends of the sealing cover (9).