Sealing structure at joint of new concrete and old concrete

Abstract

The utility model discloses a sealing structure at the joint of new concrete and old concrete, which relates to the field of concrete protection and comprises new concrete, old concrete arranged on one side of the new concrete and a protection mechanism arranged at the joint of the new concrete and the old concrete. The protection mechanism comprises a protection unit and a butt joint unit. The protection unit is used for providing protection sealing for the connecting position of new concrete and old concrete. And the butt joint unit is used for quickly carrying out butt joint on the water stop belt and reinforcing steel bars of new concrete and old concrete. By arranging the protection mechanism, before the water-stop belt is arranged between the new concrete and the old concrete, the water-stop belt can be in butt joint with steel bars in the new concrete and the old concrete through the butt joint grooves and the butt joint blocks on the water-stop belt, the water-stop belt can be conveniently and rapidly positioned and installed, and the water-stop belt can be conveniently and rapidly positioned and installed through the multiple butt joint grooves. And the connection force between the new concrete and the old concrete and the water-stop belt is further increased, and the working efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete protection field, concretely is a sealing structure at new and old concrete joint. BACKGROUND

[0002] Concrete refers to the engineering composite material that the cementing material will aggregate cement into whole, the concrete word that usually speaks is the cement that uses cement as cementing material, sand, stone as aggregate, with water (may contain admixture and admixture) according to certain proportion, after stirring, the cement concrete is also called ordinary concrete, it is widely used in civil engineering.

[0003] In prior art, concrete structure joint seepage is the common fault in building construction, usually is the joint formed between new and old concrete, due to the deformation value between concrete is different, the structure joint at the intersection between new and old concrete becomes the seepage key, the existing technology generally adopts waterstop to protect, the waterstop installation is cumbersome in prior art, in order to improve the installation efficiency of waterstop, the utility model provides a sealing structure at new and old concrete joint. UTILITY MODEL CONTENT

[0004] The utility model aims at: in order to solve the problem in the background art, provide a sealing structure at new and old concrete joint.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a sealing structure at new and old concrete joint, including new concrete, the new concrete one side is provided with old concrete, and the protection mechanism is arranged at the joint of new concrete and old concrete;

[0006] The protection mechanism includes protection unit, docking unit;

[0007] The protection unit is used to provide protection and sealing for the joint of new concrete and old concrete;

[0008] The docking unit is used to quickly dock the waterstop with the reinforcing steel bars of new concrete and old concrete.

[0009] As a further scheme of the utility model: the protection unit includes waterstop, positioning strip;

[0010] The waterstop is arranged at the joint of new concrete and old concrete, and the waterstop is used to provide sealing for the joint of new concrete and old concrete;

[0011] The positioning strip is fixed to the outer wall of the waterstop, and the positioning strip is used to increase the contact area of new concrete and old concrete.

[0012] As a further scheme of the utility model: the butt joint unit includes a butt joint groove, a butt joint block, a fixing block and an elastic block.

[0013] The butt joint groove is arranged on the outer wall of the positioning strip, and is used for providing space for butt joint of the fixing block.

[0014] The butt joint block is fixed on the end of the fixing block, and is used for butt joint with the steel bars inside the new concrete and the old concrete.

[0015] The fixing block is axially slidably installed inside the butt joint groove, and is used for butt joint with the butt joint groove.

[0016] The elastic block is fixed on the outer wall of the fixing block, and is used for limiting the fixing block in cooperation with the butt joint groove.

[0017] As a further scheme of the utility model: the inner wall of the butt joint groove is matched with the outer wall of the fixing block, and the end of the butt joint block is formed with an annular groove for butt joint with the steel bars.

[0018] As a further scheme of the utility model: the butt joint groove is provided in plurality, and the plurality of butt joint grooves are uniformly distributed on the outer wall of the positioning strip.

[0019] As a further scheme of the utility model: the outer wall of the elastic block is in an inclined state, and the inside of the butt joint groove is formed with a limiting groove for insertion of the elastic block.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] Through the setting of the protection mechanism, the butt joint groove and the butt joint block on the water stop belt are used for butt joint with the steel bars inside the new concrete and the old concrete before the water stop belt is set between the new concrete and the old concrete, the water stop belt is conveniently positioned and installed in a quick manner, and the connection force between the new concrete, the old concrete and the water stop belt is further increased through the setting of the plurality of butt joint grooves, and the working efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a structural schematic view of the utility model;

[0023] Fig. 2 It is an installation structural schematic view of the water stop belt of the utility model;

[0024] Fig. 3 It is an installation structural schematic view of the connecting block of the utility model.

[0025] In the figure: 1, new concrete; 2, old concrete; 3, protection mechanism; 301, water stop belt; 302, positioning strip; 303, butt joint groove; 304, butt joint block; 305, fixed block; 306, elastic block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0027] Please refer to Figs. 1-3 In the embodiments of the present application, a sealing structure of a new and old concrete joint includes new concrete 1, the new concrete 1 has old concrete 2 arranged on one side, and a protection mechanism 3 arranged at a joint of the new concrete 1 and the old concrete 2.

[0028] The protection mechanism 3 includes a protection unit and a butt joint unit.

[0029] The protection unit is used for providing protection and sealing for the joint of the new concrete 1 and the old concrete 2.

[0030] The butt joint unit is used for quickly butt joining the water stop belt 301 with the steel bars of the new concrete 1 and the old concrete 2.

[0031] The protection unit includes the water stop belt 301 and the positioning strip 302.

[0032] The water stop belt 301 is arranged at the joint of the new concrete 1 and the old concrete 2, and is used for providing sealing for the joint of the new concrete 1 and the old concrete 2.

[0033] The positioning strip 302 is fixed to the outer wall of the water stop belt 301, and is used for increasing the contact area of the new concrete 1 and the old concrete 2.

[0034] The butt joint unit includes the butt joint groove 303, the butt joint block 304, the fixed block 305 and the elastic block 306.

[0035] The butt joint groove 303 is arranged on the outer wall of the positioning strip 302, and is used for providing space for butt joining of the fixed block 305.

[0036] The butt joint block 304 is fixed to the end of the fixed block 305, and is used for butt joining with the steel bars inside the new concrete 1 and the old concrete 2.

[0037] The fixed block 305 is axially slidingly installed in the inside of the butt joint groove 303, and the fixed block 305 is used for butt joint with the butt joint groove 303;

[0038] The elastic block 306 is fixed on the outer wall of the fixed block 305, and the elastic block 306 is used for limiting the fixed block 305 in cooperation with the butt joint groove 303.

[0039] In the embodiment, when the water stop belt 301 needs to be installed, the fixed block 305 is butt jointed with a butt joint groove 303, the butt jointed fixed block 305 synchronously drives the movement of the butt joint block 304, and the elastic block 306 on the outer wall of the fixed block 305 also deforms into the inside of the butt joint groove 303 until the elastic block 306 is aligned with the limiting groove in the inside of the butt joint groove 303, the elastic block 306 is reset under the elastic force of itself, is clamped in the inside of the butt joint groove 303, the installation of the butt joint block 304 and the fixed block 305 is completed, at this time, the annular groove end of the butt joint block 304 can be butt jointed with the steel bars on the old concrete 2, and meanwhile, one half of the water stop belt 301 is exposed outside, then the concrete pouring is performed on the butt jointed steel bars and the water stop belt 301 to obtain the old concrete 2, then the above operation is repeated to complete the pouring operation of the new concrete 1, the reverse seepage water protection is performed on the new concrete 1 and the old concrete 2 through the water stop belt 301, the sealing property is improved, the water stop belt 301 is quickly positioned, and the working efficiency is further improved.

[0040] Please refer to Figs. 1-3 The inner wall of the butt joint groove 303 is matched with the outer wall of the fixed block 305. The end of the butt joint block 304 is formed with an annular groove for butt jointing with the steel bars. The number of the butt joint grooves 303 is multiple, the multiple butt joint grooves 303 are uniformly distributed on the outer wall of the positioning strip 302, the outer wall of the elastic block 306 is in an inclined state, and the inside of the butt joint groove 303 is formed with a limiting groove for inserting the elastic block 306.

[0041] In the embodiment, after the butt joint block 304 is butt jointed, the water stop belt 301 can be cut to obtain the water stop belt 301 with the required length, and the remaining empty butt joint grooves 303 can provide space for the concrete to enter during the concrete pouring, increase the contact area of the water stop belt 301 with the new concrete 1 and the old concrete 2, and further improve the connecting force of the new concrete 1, the old concrete 2 and the water stop belt 301.

[0042] The above describes only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sealing structure for a new-old concrete joint, comprising a new concrete (1) provided with an old concrete (2) on one side, characterized in that, The protection mechanism (3) is arranged at the joint of the new concrete (1) and the old concrete (2); The protection mechanism (3) comprises a protection unit and a butt joint unit; The protection unit is used for providing protection and sealing for the joint of the new concrete (1) and the old concrete (2); The butt joint unit is used for quickly butt joining the water stop belt (301) with the steel bars of the new concrete (1) and the old concrete (2).

2. The seal structure for a new-old concrete joint according to claim 1, wherein The protection unit comprises a water stop belt (301) and a positioning strip (302); The water stop belt (301) is arranged at the joint of the new concrete (1) and the old concrete (2), and is used for providing sealing for the joint of the new concrete (1) and the old concrete (2); The positioning strip (302) is fixed to the outer wall of the water stop belt (301), and is used for increasing the contact area of the new concrete (1) and the old concrete (2).

3. The seal for a joint between old and new concrete of claim 2, wherein The butt joint unit comprises a butt joint groove (303), a butt joint block (304), a fixing block (305) and an elastic block (306); The butt joint groove (303) is arranged on the outer wall of the positioning strip (302), and is used for providing space for butt joining the fixing block (305); The butt joint block (304) is fixed to the end of the fixing block (305), and is used for butt joining with the steel bars inside the new concrete (1) and the old concrete (2); The fixing block (305) is axially slidably arranged in the butt joint groove (303), and is used for butt joining with the butt joint groove (303); The elastic block (306) is fixed to the outer wall of the fixing block (305), and is used for limiting the fixing block (305) in cooperation with the butt joint groove (303).

4. The seal for a joint between old and new concrete of claim 3, wherein The inner wall of the butt joint groove (303) is matched with the outer wall of the fixing block (305), and the end of the butt joint block (304) is formed with an annular groove for butt joining with the steel bars.

5. The seal for a joint between old and new concrete of claim 3, wherein The number of the butt joint grooves (303) is multiple, and the multiple butt joint grooves (303) are uniformly distributed on the outer wall of the positioning strip (302).

6. The seal for a joint between old and new concrete of claim 3, wherein The outer wall of the elastic block (306) is in an inclined state, and the inner wall of the butt joint groove (303) is formed with a limiting groove for inserting the elastic block (306).

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