CN216616868U

CN216616868U - Building embedded sleeve

Info

Publication number: CN216616868U
Application number: CN202122953860.5U
Authority: CN
Inventors: 梁康; 贺海燕; 孙伟军; 韩海龙
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-27
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to the technical field of construction of building scaffolds, in particular to a building embedded sleeve, which comprises a sleeve which is arranged in concrete and is vertical to the concrete, wherein two ends of the sleeve respectively support templates on two sides of the concrete; a screw rod penetrates through the sleeve, the right end of the screw rod penetrates through one of the templates and extends out of the concrete, the left end of the screw rod is in threaded connection with a plug, and the plug is clamped with the left end of the sleeve and plugs a pipe orifice at the left end of the sleeve; the screw is screwed with a nut, the nut compresses the outer surface of the right template, and the screw can drive the plug to be tensioned rightwards by rotating the nut, so that the right end of the sleeve is tightly attached to the inner wall of the right template; the telescopic right-hand member is provided with the holding ring, the holding ring card is in the mouth of pipe department on sleeve pipe right side, and the central authorities of holding ring have the via hole that supplies the screw rod to pass.

Description

Building embedded sleeve

Technical Field

The utility model relates to the technical field of construction of building scaffolds, in particular to a building embedded sleeve.

Background

At present, in the field of building construction, an external climbing frame system, an unloading platform and overhanging horizontal protection are used in construction, and overhanging type scaffolds, tower crane attachment points and the like fixed on beam sides all need to be fixed by using wall penetrating bolts. The through-wall bolt needs to embed a through-wall sleeve in a concrete structure before concrete is poured.

Traditional wall bushing adopts PVC pipe or steel pipe, if the sleeve pipe of not wearing out the template, need seal the reuse tie wire with the sticky tape at sleeve pipe both ends earlier and tie up on the reinforcing bar, or with the steel pipe electric welding on the reinforcing bar, this operation is accomplished before the template mounting, easily causes the location inaccurate, and the location is insecure, causes the off normal at the in-process of pouring the concrete. The steel sleeve is welded on the steel bar firmly, but can damage the steel bar.

If the sleeve penetrates out of the template, the length of the sleeve needs to be lengthened, and a hole slightly larger than the outer diameter of the sleeve is formed in the template. For example, in the construction of an aluminum mould system, the position of a point-position through-wall bolt of an outer climbing frame must be accurate, so that a hole of 32mm is formed in the aluminum mould, and a sleeve is inserted through a template. Because the hole is larger on the aluminum template, a certain expense needs to be paid to an aluminum mould factory when the template is returned so as to repair the template.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a building embedded sleeve.

The technical problem to be solved is that: the existing embedded sleeve in the wall is difficult to position, or a large area of holes are required to be formed in the template, so that the embedded sleeve is inconvenient to arrange.

In order to solve the technical problem, the utility model provides a building embedded sleeve, which adopts the following scheme.

A building embedded sleeve comprises a sleeve which is arranged in concrete and is vertical to the concrete, and two ends of the sleeve respectively support templates on two sides of the concrete; a screw rod penetrates through the sleeve, the right end of the screw rod penetrates through one of the templates and extends out of the concrete, the left end of the screw rod is in threaded connection with a plug, and the plug is clamped with the left end of the sleeve and plugs a pipe orifice at the left end of the sleeve;

a nut is screwed on the screw, the nut tightly presses the outer surface of the right template, and the screw can drive the plug to be tensioned rightwards by rotating the nut, so that the right end of the sleeve is tightly attached to the inner wall of the right template; the telescopic right-hand member is provided with the holding ring, the holding ring card is in the mouth of pipe department on sleeve pipe right side, and the central authorities of holding ring have the via hole that supplies the screw rod to pass.

Preferably, the right end of the plug is inserted into the sleeve, a threaded hole for connecting a screw rod is formed in the right end of the plug, and the expansion card at the left end of the plug is arranged at the edge of the right end opening of the sleeve.

Preferably, the plug is clamped in the sleeve and cannot rotate in the sleeve.

Preferably, the plug is made of hard plastic.

Preferably, the nut is a wing nut.

Preferably, the right end of the screw rod is provided with a hand wheel which is convenient to rotate.

Compared with the prior art, the building embedded sleeve has the following beneficial effects:

according to the utility model, the sleeve is supported by the screw rod penetrating through the sleeve, the sleeve does not need to be additionally reinforced, specifically, the end caps are arranged at one ends of the two ends of the sleeve, the positioning rings are arranged at the other ends of the two ends of the sleeve, the positioning rings and the end caps are clamped on the pipe orifices at the two ends of the sleeve, on one hand, the positioning rings are used for sealing the pipe orifices to prevent concrete mortar from entering, and on the other hand, the whole sleeve can be fixed only by fixing the positions of the end caps and the positioning rings.

Then insert the screw rod in the sleeve pipe, the threaded hole that has on the end cap and sleeve pipe spiro union cooperation, have the via hole on the holding ring and screw rod sliding fit. One end of the screw rod extends out of the concrete, then the screw rod is screwed with the nut, the plug can be pulled rightwards by rotating the nut, the acting force of the plug can be transmitted to the sleeve at the time, and finally the sleeve is pressed on the right template.

The utility model has simple structure and convenient assembly and disassembly, can ensure accurate position by fixing the detachable positioning screw on the installed template, only needs to open a small hole for the screw to pass through when fixing the embedded sleeve, has little influence on the quality of the template, particularly has no influence on the later-stage reuse of the template with the small hole when using the aluminum mold, and does not need to pay extra claims to aluminum mold manufacturers when replacing the template.

Drawings

FIG. 1 is a schematic view of a building pre-buried sleeve according to the present invention after installation;

FIG. 2 is a schematic view of the sleeve and screw portion of the present invention.

Description of reference numerals:

1-plug, 101-threaded hole;

2-a sleeve;

3-a positioning ring;

4-butterfly nuts;

5-screw rod, 501-hand wheel;

6-right template;

7-left template;

8-concrete.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, the use of the directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as shown in reference to fig. 1, unless otherwise specified; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to solve the problems that the existing embedded sleeve 2 in the wall is difficult to position, or a large area of holes are required to be formed in a template, so that the embedded sleeve is inconvenient to arrange, the utility model provides a building embedded sleeve, as shown in figures 1 and 2.

A building embedded sleeve comprises a sleeve 2 which is arranged in concrete 8 and is vertical to the concrete 8, and two ends of the sleeve 2 support templates on two sides of the concrete 8 respectively; a screw rod 5 penetrates through the sleeve 2, the right end of the screw rod 5 penetrates through one of the templates and extends out of concrete 8, a plug 1 is screwed at the left end of the screw rod 5, and the plug 1 is clamped with the left end of the sleeve 2 and plugs a pipe orifice at the left end of the sleeve 2;

a nut is screwed on the screw rod 5 and tightly presses the outer surface of the right template 6, and the screw rod 5 can drive the plug 1 to be tensioned rightwards by rotating the nut, so that the right end of the sleeve 2 is tightly attached to the inner wall of the right template;

the right-hand member of sleeve pipe 2 is provided with holding ring 3, holding ring 3 card is in the mouth of pipe department on sleeve pipe 2 right side, and the central authorities of holding ring 3 have the via hole that supplies screw rod 5 to pass.

Specifically, after positioning on the template, a hole is drilled, and a small hole is opened for passing through the screw 5. When the device is installed, a template is positioned and opened, the plug 1 and the positioning ring 3 of the sleeve 2 are installed and placed in the supported template, and then the screw rod 5 penetrates through a hole in the template and is screwed into the threaded hole 101 of the plug 1 at the tail end of the plastic sleeve 2. Then, the butterfly nut is rotated to enable the screw rod 5 to move rightwards, so that the plug 1 is driven to press the left end of the sleeve 2 rightwards, and the right end of the sleeve 2 and the right template 6 are fixed firmly. Meanwhile, the screw 5 is fixed through a hole in the formwork, or the part of the screw 5 extending out of the concrete 8 can be connected with a supporting keel system of the formwork, so that the screw 5 is stably fixed.

The sleeve 2 is a cylindrical structure and is made of plastic, preferably recycled plastic. The two ends of the sleeve 2 are respectively provided with a tongue-and-groove. The right end is in a micro horn mouth shape, and the outer side of the right end is provided with a back ridge for reinforcing the front end structure so that the front end structure has certain rigidity. The left end is a flat head and is used for being tightly jointed with the template.

According to the utility model, the sleeve 2 is supported by the screw rod 5 penetrating through the sleeve 2, the sleeve 2 does not need additional reinforcement, specifically, the positioning ring 3 is arranged at one end of each of two ends of the sleeve 2, the plug 1 is arranged at the other end of each of the two ends of the sleeve 1, and both the positioning ring 3 and the plug 1 are clamped on the pipe orifices at two ends of the sleeve 2, so that on one hand, concrete mortar is prevented from entering the pipe orifices, and on the other hand, the whole sleeve 2 can be fixed only by fixing the positions of the plug 1 and the positioning ring 3.

Then, a screw rod 5 is inserted into the sleeve 2, the plug 1 is provided with a threaded hole 101 which is in threaded fit with the sleeve 2, and the positioning ring 3 is provided with a through hole which is in sliding fit with the screw rod 5. One end of the screw rod 5 extends out of the concrete 8, then the screw rod 5 is screwed with a nut, the plug 1 can be pulled rightwards by rotating the nut, at this time, the acting force of the plug 1 is transmitted to the sleeve 2, and finally the sleeve 2 is pressed on the right template 6.

The utility model has simple structure and convenient assembly and disassembly, can ensure accurate position by fixing the detachable positioning screw 5 on the installed template, only needs to open a small hole for the screw 5 to pass through on the template when fixing the embedded sleeve 2, has little influence on the quality of the template, particularly has no influence on the later-stage reuse of the template with the small hole when using the aluminum template, and does not need to pay extra claims to aluminum template manufacturers when replacing the template.

As shown in fig. 2, the right end of the plug 1 is inserted into the sleeve 2, and the right end is provided with a threaded hole 101 for connecting the screw 5, and the left end of the plug 1 is expanded and clamped at the edge of the orifice at the right end of the sleeve 2. The plug 1 is clamped in the sleeve 2 and cannot rotate in the sleeve 2. The mode of preventing rotation of the plug 1 is various, for example, one end of the sleeve 2 is set to be non-circular, a polygon can be adopted, or one end of the sleeve 2 is extended with an edge, the plug 1 is provided with a clamping groove matched with the edge, and the clamping groove is matched with the edge to prevent the plug 1 from rotating after the plug 1 is inserted into the sleeve 2. The plug 1 is made of hard plastic, and after the sleeve 2 is arranged between the two templates, namely in the state shown in figure 1, the plug 1 is pressed to be tightly attached to the left template 7.

Preferably, the nut is a wing nut.

Preferably, the right end of the screw 5 is provided with a hand wheel 501 for facilitating rotation. The handwheel 501 is a hand-held portion that is easy to rotate, and may be a circular ring in fig. 2, or simply a handle perpendicular to the screw 5.

The working mode of the utility model is as follows:

the method comprises the following steps: and after the beam wall template is installed, positioning and drilling a small hole according to the position of the embedded bolt. The diameter of the small hole is the same as that of the screw rod 5, and the small hole is in clearance fit with the screw rod 5.

Step two: and (4) inspecting the sleeve 2, and installing the plug 1 and the positioning ring 3 of the embedded sleeve 2 in place.

Step three: the sleeve 2 is placed in a template, the positioning screw 5 with the butterfly nut installed in advance penetrates through a hole in the template, penetrates through the positioning ring 3 at the right end of the sleeve 2 and is installed in the threaded hole 101 of the plug 1 of the sleeve 2, and the screw 5 and the plug 1 are fixed. Then, the butterfly nut on the outer side of the template is rotated, and the screw rod 5 moves rightwards, so that the butterfly nut and the front end of the sleeve 2 clamp the template. For fixing the position of the plastic bushing 2.

Step four: after the positioning screws 5 are mounted, they are inspected one by one. And then pouring concrete. And (4) paying attention to the process of pouring concrete, checking the butterfly nuts on the outer side of the template, and finding out loose and timely fastening.

Step five: after the concrete is finally set, firstly loosening the butterfly nut on the outer side, then removing the screw rod 5, then removing the template at the position of the sleeve 2, then prying out the positioning ring 3 of the plastic sleeve 2, penetrating the screw rod 5, and knocking out the end plug 1 at the tail end, thus normally installing the through-wall screw rod 5.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. A building embedded sleeve is embedded in concrete (8) to form a hollow pipeline, and is characterized in that two ends of the sleeve (2) support templates on two sides of the concrete (8) respectively; a screw rod (5) penetrates through the sleeve (2), the right end of the screw rod (5) penetrates through the right template (6) and extends out of concrete (8), a plug (1) is screwed at the left end of the screw rod (5), and the plug (1) is clamped with the left end of the sleeve (2) and plugs a pipe orifice at the left end of the sleeve (2);

a nut is screwed on the screw rod (5), the nut compresses the outer surface of the right template (6), and the screw rod (5) can drive the plug (1) to be tensioned rightwards by rotating the nut, so that the right end of the sleeve (2) is tightly attached to the inner wall of the right template;

the right-hand member of sleeve pipe (2) is provided with holding ring (3), holding ring (3) card is in the mouth of pipe department on sleeve pipe (2) right side, and the central authorities of holding ring (3) have the via hole that supplies screw rod (5) to pass.

2. The building embedded sleeve according to claim 1, wherein the right end of the plug (1) is inserted into the sleeve (2) and is provided with a threaded hole (101) for connecting the screw rod (5),

the left end of the plug (1) is expanded and clamped at the edge of the orifice at the right end of the sleeve (2).

3. A building embedding sleeve according to claim 1, wherein the plug (1) is clamped in the sleeve (2) and cannot rotate in the sleeve (2).

4. A building embedded sleeve according to claim 3, wherein the plug (1) is made of hard plastic.

5. The building embedment sleeve of claim 1, wherein the nut is a wing nut.

6. A building embedding sleeve according to claim 1, characterized in that the right end of the screw (5) is provided with a hand wheel (501) for rotation.