CN209924144U

CN209924144U - Pre-buried jib subassembly in concrete member

Info

Publication number: CN209924144U
Application number: CN201920564216.9U
Authority: CN
Inventors: 何承涛; 程政钧
Original assignee: HANGZHOU LICHENG BUILDING HARDWARE Co Ltd
Current assignee: HANGZHOU LICHENG BUILDING HARDWARE Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-10
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a pre-buried jib subassembly in concrete member, including jib, rubber and plastic cement mould, threaded ring and closing cap, the jib includes pole body and is located respectively the dop at pole body both ends with only pull out the head, the rubber and plastic cement mould is equipped with the hemisphere type rubber and plastic die body, it is built-in to have seted up in the rubber and plastic die body be used for the cavity of closing cap, the closing cap is semi-enclosed tube structure, the closing cap is equipped with and is used for internally placing the barrel cavity of dop, the open end of closing cap down extend be provided with the protrusion in the extension section of the lower extreme limit of rubber and plastic die body, the threaded ring is equipped with the internal thread, be equipped with on the surface of extension section with internal thread matched with external screw thread, the up end of rubber and plastic die body seted up with the air vent of. The suspension rod clamping head can be prevented from being exposed, rain and snow erosion is effectively prevented, and the safety of hoisting operation is improved.

Description

Pre-buried jib subassembly in concrete member

Technical Field

The utility model relates to a concrete building construction technical field, in particular to pre-buried jib subassembly in concrete member.

Background

The reinforced concrete structure comprises a cast-in-place integral reinforced concrete structure and a prefabricated integral reinforced concrete structure. The prefabricated integral reinforced concrete structure is one structure form of prefabricated reinforced concrete parts installed mechanically and assembled according to the design requirement. In the early stage of hoisting the prefabricated part, the embedded suspender hanger and the like need to be checked, for example, whether concrete cracks and damages exist around the embedded part, and whether the embedded part has the problems of obvious deformation, necking and the like. The use of the pre-buried suspender member ensures that the pre-buried suspender member has a considerable pulling resistance and shearing resistance, however, in the practical application process, after the rubber and plastic mould body is removed, the suspender clamp head is exposed in the hoisting cavity, when the concrete member is stored outdoors, the concrete member is attacked by rainwater or snowstorm, the frozen rain and snow will be accumulated in the hoisting cavity and cover the suspender clamp head, and the stability and the safety during the hoisting operation are influenced.

Disclosure of Invention

The utility model discloses to prior art not enough, the technical problem that solve provides a pre-buried jib subassembly in concrete member, and it can avoid the jib dop to expose, effectually prevents to suffer rain and snow erosion, improves the security of hoist and mount operation.

The utility model discloses a make above-mentioned technical problem solve through following technical scheme.

The utility model provides a pre-buried jib subassembly in concrete member, includes jib, rubber and plastic cement mould, screw ring and closing cap, the jib includes the pole body and is located respectively the dop at pole body both ends and the end-pull head, the rubber and plastic cement mould is equipped with the hemisphere type rubber and plastic die body, it is used for built-in to have seted up in the rubber and plastic die body the cavity of closing cap, the closing cap is semi-enclosed tube structure, the closing cap is equipped with and is used for built-in the barrel cavity of dop, the open end of closing cap extends downwards and is provided with protrusion in the extension section of the lower extreme limit of rubber and plastic die body, the screw ring is equipped with the internal thread, be equipped with on the surface of extension section with internal thread matched with external screw thread, the up end of rubber and plastic die body seted.

Preferably, the upper end edge of the rubber mold body extends horizontally outwards to form a flange.

Preferably, the sealing cover comprises an upper cover body and a lower cylinder body located below the upper cover body, and the outer surface of the lower cylinder body is provided with the external thread.

Preferably, the lower end of the lower barrel is provided with a water-swelling water stop strip.

Preferably, the hanger bar is a T-bar, a three-bar, an O-bar or a D-bar.

Preferably, the inner diameter of the threaded ring is larger than the outer diameters of the chuck and the extraction stop.

Preferably, the upper end surface of the rubber mold body is provided with a mold drawing blind hole.

The utility model has the advantages that: the rubber-plastic cement mold, the threaded ring, the sealing cover and the suspender are assembled and embedded in the concrete member, after pouring and solidification, the rubber-plastic cement mold is taken out, the sealing cover is in threaded connection with the threaded ring and covers the suspender chuck to prevent exposure, the concrete member is effectively prevented from being eroded by accumulation of rain and snow in the storage and transportation processes, the sealing cover is taken out before hoisting, and powerful guarantee is provided for hoisting safety operation. The integral structure is simple and compact, the batch production is easy, the installation process is simple and easy, and the hoisting operation is facilitated.

Drawings

The following drawings are intended to facilitate the description of the preferred embodiments and do not limit the scope of the invention.

Fig. 1 is a schematic view of a cross-sectional structure of pre-embedded concrete according to an embodiment of the present invention.

In the figure: 1-hanging rod, 2-rubber plastic cement mould, 3-screw ring, 4-sealing cover, 5-lower cylinder, 6-concave cavity, 7-rod body, 8-clamping head, 9-pulling-stop head, 10-extension section, 11-vent hole, 12-stripping blind hole and 13-upper cover body.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1, the utility model provides a pre-buried jib subassembly in concrete member of embodiment, including jib 1, rubber and plastic cement mould 2, threaded ring 3 and closing cap 4. The suspender 1 comprises a rod body 7, and a clamping head 8 and a pull-out stopping head 9 which are respectively positioned at two ends of the rod body 7. The suspension bar 1 may be a T-bar, a three-club, an O-bar or a D-bar, in this embodiment a T-bar is used. The rubber and plastic cement mold 2 is provided with a hemispherical rubber and plastic mold body, a concave cavity 6 for internally arranging the sealing cover 4 is formed in the rubber and plastic mold body, and further, a flange is horizontally extended towards the outer side of the upper end edge of the rubber and plastic mold body. The sealing cover 4 is of a semi-closed barrel structure, the sealing cover 4 is provided with a barrel cavity used for internally containing the clamping head 8, an extension section 10 protruding out of the lower end edge of the rubber-plastic die body extends downwards from the opening end of the sealing cover 4, the threaded ring 3 is provided with internal threads, and specifically, the inner diameter of the threaded ring 3 is larger than the outer diameters of the clamping head 8 and the extraction stopping head 9. The outer surface of the extension section 10 is provided with an external thread matched with the internal thread, the upper end surface of the rubber mold body is provided with a vent hole 11 communicated with the cavity 6, and the upper end surface of the rubber mold body is provided with a stripping blind hole 12.

In a specific embodiment, the sealing cap 4 includes an upper cap body 13 and a lower cylinder 5 located below the upper cap body 13, as shown in the figure, a straight cylinder type, and other suitable variant shapes may also be adopted, the lower cylinder 5 is used for internally installing the chuck 8, the outer surface of the lower cylinder 5 is provided with the external thread, and further, a water-swelling water stop strip may be provided at the lower end of the lower cylinder 5 to improve the waterproof performance. When concrete is poured, the hanging rod 1, the rubber and plastic cement mold 2, the threaded ring 3 and the sealing cover 4 are combined and pre-embedded into a concrete member, when the concrete is solidified and formed, the rubber and plastic cement mold 2 is taken out, the sealing cover 4 blocks the clamping head 8 to prevent rainwater erosion, when the concrete is hoisted, the sealing cover 4 is taken out, and a hoisting concave cavity is formed around the clamping head 8.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The utility model provides a pre-buried jib subassembly in concrete member which characterized by: comprises a suspender (1), a rubber-plastic cement mould (2), a threaded ring (3) and a sealing cover (4), the suspender (1) comprises a rod body (7), and a clamping head (8) and a pull-out stopping head (9) which are respectively positioned at two ends of the rod body (7), the rubber and plastic cement mould (2) is provided with a hemispherical rubber and plastic mould body, a concave cavity (6) for arranging the sealing cover (4) is arranged in the rubber and plastic mould body, the sealing cover (4) is of a semi-closed cylinder structure, the sealing cover (4) is provided with a cylinder cavity for internally arranging the clamping head (8), an extension section (10) protruding out of the lower end edge of the rubber-plastic mold body extends downwards from the opening end of the sealing cover (4), the threaded ring (3) is provided with an internal thread, the outer surface of the extension section (10) is provided with an external thread matched with the internal thread, and the upper end surface of the rubber mold body is provided with a vent hole (11) communicated with the concave cavity (6).

2. The boom assembly of claim 1, wherein said boom assembly is adapted to be embedded in a concrete structure, said boom assembly comprising: and a flange is horizontally extended towards the outer side from the upper end edge of the rubber-plastic mold body.

3. The boom assembly of claim 1, wherein said boom assembly is adapted to be embedded in a concrete structure, said boom assembly comprising: the sealing cover (4) comprises an upper cover body (13) and a lower barrel body (5) located below the upper cover body (13), and the outer surface of the lower barrel body (5) is provided with the outer threads.

4. The boom assembly of claim 3, wherein said boom assembly is adapted to be embedded in a concrete structure, said boom assembly comprising: the lower end of the lower barrel (5) is provided with a water-swelling water stop strip.

5. The boom assembly of claim 1, wherein said boom assembly is adapted to be embedded in a concrete structure, said boom assembly comprising: the suspension rod (1) is a T-shaped rod, a three-ball rod, an O-shaped rod or a D-shaped rod.

6. The boom assembly of claim 1, wherein said boom assembly is adapted to be embedded in a concrete structure, said boom assembly comprising: the inner diameter of the threaded ring (3) is larger than the outer diameters of the clamping head (8) and the pull-out stopping head (9).

7. The boom assembly of claim 1, wherein said boom assembly is adapted to be embedded in a concrete structure, said boom assembly comprising: and the upper end surface of the rubber-plastic mold body is provided with a stripping blind hole (12).