CN2455799Y

CN2455799Y - Rear-installed wall anchor tightener

Info

Publication number: CN2455799Y
Application number: CN 00266284
Authority: CN
Inventors: 肖纹篯
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-28
Filing date: 2000-12-28
Publication date: 2001-10-24
Anticipated expiration: 2010-12-28

Abstract

The utility model relates to a rear-installed wall anchor tightener used for the construction of reinforced concrete frames, which comprises an anchor body and a tightening wedge block. The outer surface of a construction component embedded with the anchor body and the tightening wedge block is provided with uneven a convex tooth, and the convex tooth on the outer surface of the anchor body can be in the independently separated shape, spiral stripe shape or knurling shape. The tightening wedge block can be in the shape of a plane or in the arc flaky shape, and the convex tooth on the contact surface can be in the striated shape, cancellate shape or in the independently separated form. The utility model has the advantages of no need of drill holes on a concrete mould plate, leakage prevention, labour, material and time saving and firm connection, and the utility model can be changed to be arranged following design changes.

Description

Rear-mounted body of wall dowel wedging device

The utility model relates to the invention of the rear-mounted body of wall dowel wedging device of the architectural use of a kind of reinforced concrete frame.

In the work progress of existing reinforced concrete frame formula building, when constituting body of wall with the non-reinforced concrete material, to reinforcing bar be set in advance in the member of steel concrete, again dowel be built or is solded into to form in the body of wall and construct drawknot to satisfy shockproof requirements as the body of wall dowel.For a large-scale tall buildings, this dowel consumption nearly number by the existing dowel method that is provided with, must bore the drilling hole with ten million on the template of concrete frame, pours into concrete again behind the insertion dowel; Or only insert bar dowel, and behind stripping, on bar dowel, add one section reinforcing bar lengthening of weldering again, just can make the body of wall dowel.The shortcoming that adopts this traditional handicraft structure at first is a structure of having destroyed concrete blinding, reduced the utilization rate of template, the drill hole of concrete blinding can produce spillage in addition, influence quality of concrete,, can only mend and establish if dowel comes off or Structural Design Requirement changes, can only beat the concrete component that has solidified when benefit is established and reveal the back welding, do that like this anti-seismic performance of member is adversely affected, and recruitment is many, the expense height.Though also use after boring on the member that has solidified now, fix dowel with the gluing method that connects of building in test.But the building glue life-span is short, and is easily aging, the cost height, and after the boring, the dust that is retained in the hole influences adhesive effect simultaneously.

The purpose of this utility model is to send out a kind of to need not to hole on the template of fluid concrete, as long as the rear-mounted body of wall dowel wedging device that the punching back embeds on the framework of construction forming.

The feature of the body of wall dowel wedging device that the utility model adopted is that it comprises dowel body and fastening voussoir, and the external surface of the embedding building unit of dowel body and fastening voussoir is shaped on up-and-down protruding tooth.

On the above-mentioned dowel external surface of the utility model up-and-down protruding tooth can be the independent separate shape or striped or knurling twist.

The above-mentioned fastening key of the utility model can be planar sheet or arc sheet, and the protruding tooth on itself and dowel body and the building unit contact surface can be striated or latticed or independent separate form.

Utilize the above-mentioned rearmounted dowel wedging of the embedded body of wall device of the utility model, overcome the shortcoming of prior art fully, it need not to hole on the template of fluid concrete, so just avoided spillage, the template access times have been increased, and do not need to add the welding steel muscle yet, saving of labor, material-saving, save time again, the position is accurate; Dowel and building unit through anchoring are connected firmly difficult drop-off; When change takes place in design, also be easy to change and reset.

Accompanying drawing is to have described the utility model embodiment:

Fig. 1 is a user mode schematic diagram of the present utility model;

Fig. 2 is the schematic top plan view of Fig. 1;

Fig. 3 is the structural representation of the protruding tooth of wedging end external surface employing shape of threads that dowel 1 embeds among Fig. 1;

Fig. 4 is the structural representation that the wedging end external surface of dowel 1 embedding among Fig. 1 adopts continuous annular knurl;

Fig. 5 is the structural representation of the protruding tooth of wedging end external surface employing independent separate state that dowel 1 embeds among Fig. 1;

Fig. 6 is fastening key 2 structural representations of planar sheet that embed among Fig. 1;

Fig. 7 is arc sheet assembly key sheet 2 structural representations that embed among Fig. 1.

In the foregoing description accompanying drawing, Fig. 1 and Fig. 2 have shown that all the utility model is embedded in the user mode form that is in the wedging that is engaged with each other in the hole of pre-subdrilling system of building unit 3; Dowel 1 and fastening key 2 mesh wedging each other by the protruding tooth on the external surface separately and are fixed in the fixing hole; Protruding tooth on the wedging end external surface that dowel 1 embeds can be made as the shape of threads that is showed among Fig. 3 or Fig. 4, Fig. 5, a kind of in knurling and the independent separate shape continuously; Fastening key 2 then can be as planar shaped sheet among Fig. 6,7 or arc sheet, is shaped on the protruding tooth of independent separate form on its wedging face, can also adopt continuous striated or latticed protruding tooth.The utility model is when construction, as long as by the architectural design drawing, the position that body of wall dowel 1 is set at needs has been bored ash back injection cement cream 4 in the dowel fixing hole cleaning eye in advance with electric drill, again dowel 1 wedging fixed end is inserted in the fixing hole, in the gap of dowel 1 and fixing hole, insert fastening key 2 again, beat fastening key 2 with hammer at last, key can be that a slice also can be a multi-disc, make in its clearance gap that embeds hole, in the fastening process of key also all the other spaces in the crowded filling perforation hole with the cement cream in the hole, dowel 1 is completely fixed, just can finishes that the body of wall dowel being set.

Claims

1. a rear-mounted body of wall dowel wedging device is characterized in that it comprises dowel body and fastening voussoir, and the external surface of the embedding building unit of dowel body and fastening voussoir is shaped on up-and-down protruding tooth.

2. rear-mounted body of wall dowel wedging device according to claim 1, it is characterized in that up-and-down protruding tooth on the described dowel external surface can be the independent separate shape or striped or knurling twist.

3. rear-mounted body of wall dowel wedging device according to claim 1, it is characterized in that described fastening key can be planar sheet or arc sheet, the protruding tooth on itself and dowel body and the building unit contact surface can be striated or latticed or independent separate form.