Building formwork convenient to disassemble

By setting a combination structure of blind grooves, abutments, and special-shaped bolts on the building formwork, the concrete reaction force is used to push the formwork apart, which solves the problems of cracking and leakage during formwork removal, and achieves convenient removal and ensures the quality of pouring.

CN223577551UActive Publication Date: 2025-11-21LIAONING REFINERY & CHEM EQUIP DEMOLITION ENG CO LTD
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Patent Information

Application Number
CN202522193650.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-17
Publication Date
2025-11-21
Estimated Expiration
2035-10-17

AI Technical Summary

Technical Problem

Existing formwork is prone to cracking and damage to concrete edges and corners during dismantling due to concentrated force on the pry bars, affecting the formwork reuse rate and construction quality.

Method used

Blind grooves, abutments, connecting blocks, and special-shaped bolts are set on the template body. The crossbars and abutments are moved by the special-shaped bolts, and the reaction force of the concrete wall is used to push the template apart, realizing convenient dismantling without pry bars. The openings are sealed with sealing strips to prevent leakage.

Benefits of technology

It enables convenient removal of formwork, avoids formwork cracking and concrete damage, ensures pouring quality and formwork stability, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223577551U_ABST
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Abstract

The utility model relates to the technical field of building templates, in particular to a building template convenient to dismantle, which comprises a template body, blind grooves are symmetrically arranged on the back side of the template body left and right, a through hole penetrating through the template body is arranged at the bottom of each blind groove, an abutting block blocking the through hole is arranged in each blind groove, and a connecting block fixedly connected with the abutting block is movably inserted in each through hole. The ends, away from the abutting blocks, of the two connecting blocks penetrate through the through opening, extend to the front face of the formwork body and are jointly connected with a cross rod, a special-shaped bolt is rotationally arranged on the outer side of the front face of the formwork body and used for driving the cross rod to move, and then the two abutting blocks are driven by the connecting blocks to move front and back along the blind grooves. The special-shaped bolt is rotationally connected to the formwork body, the cross rod can be driven to drive the abutting block to abut against a condensed concrete wall by rotating the special-shaped bolt through a wrench, then the formwork body is pushed by means of the counter-acting force of the wall to the abutting block, and finally the formwork body can be conveniently disassembled without a pinch bar.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building template technical field, concretely is a kind of building template of convenient dismantling. BACKGROUND

[0002] In construction, formwork needs to be removed in time after concrete pouring to complete subsequent processes and ensure construction progress.

[0003] During formwork removal, strong physical adhesion is formed between concrete and formwork, causing formwork to tightly adhere to concrete wall. At this time, pry bar is often used to assist in removal, but the force point of pry bar is concentrated, which easily causes formwork to crack and concrete corners to be damaged, reducing formwork reuse rate and leaving quality hidden dangers. Therefore, under the premise of not affecting the supporting and pouring functions of formwork, replacing pry bar and reducing removal damage by modifying structure, material or connection method has become a practical problem to be solved in current construction. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of building template of convenient dismantling to solve the problems raised in the above background.

[0005] The utility model is realized by the following technical solutions: a kind of building template of convenient dismantling, including template body, the back of the template body is left and right symmetrical and is provided with blind slot, the bottom of two blind slots is provided with through hole that penetrates template body, and two blind slots are all provided with the resistance block that is blocked in through hole, two the through hole is respectively movably inserted with the connecting block that is fixedly connected with two resistance blocks, the end of two connecting blocks away from resistance block extends to the front of template body through through hole and is commonly fixedly connected with a horizontal rod, the front of the template body is provided with a profile bolt, the profile bolt is used to drive horizontal rod to move, and then two resistance blocks are moved along blind slot by connecting block drive;

[0006] the center position of the front of the template body is fixedly provided with a limit disc, the side surface of the limit disc is provided with a rotating groove, the rotating groove is rotatably provided with a rotating disc, one end of the profile bolt is movably inserted into the rotating groove and is fixedly connected with the rotating disc, the center position of the horizontal rod is provided with a threaded hole, the other end of the profile bolt is screwed with the threaded hole.

[0007] Optionally, the other end of the profile bolt extends out of the threaded hole and is integrally formed with a hexagonal head for wrenching.

[0008] Optionally, the resistance block, blind slot, through hole and connecting block are all square, and one side of the resistance block, which is attached to the bottom surface of the blind slot, is provided with a square recess, and a sealing strip is embedded in the square recess.

[0009] Compared with the prior art, the building formwork convenient to disassemble has the following beneficial effects:

[0010] The utility model discloses a building formwork convenient to disassemble, which has the following beneficial effects:

[0011] The utility model discloses a building formwork convenient to disassemble, which has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the first explosion structure schematic diagram of the whole utility model;

[0013] Fig. 2 It is the second explosion structure schematic diagram of the whole utility model;

[0014] Fig. 3 It is the structure schematic diagram of the whole utility model.

[0015] In the drawing: 1, formwork body; 2, blind groove; 3, through -opening; 4, block; 5, connecting block; 6, cross bar; 7, special-shaped bolt; 8, limit disc; 9, rotating groove; 10, rotating disc; 11, screw hole; 12, hexagonal head; 13, square recess; 14, sealing strip. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Embodiment: please refer to Figs. 1 to 3The utility model provides a kind of building template of easy removal, including template body 1, the back of template body 1 is opened with blind slot 2 left and right symmetrical, the bottom of two blind slots 2 is opened with the through mouth 3 of template body 1, and two blind slots 2 are equipped with the resistance block 4 blocked in through mouth 3, respectively movably inserted with the connecting block 5 of being fixedly connected with two resistance blocks 4 in two through mouths 3, the end of two connecting blocks 5 away from resistance block 4 extends to the front of template body 1 by through mouth 3 and is commonly fixedly connected with a cross bar 6, the front of template body 1 is rotatably provided with a special-shaped bolt 7, special-shaped bolt 7 is used to drive cross bar 6 to move, in turn by connecting block 5 drive two resistance blocks 4 move along blind slot 2, the center position of the front of template body 1 is fixedly provided with a limit disc 8, limit disc 8 is opened with the rotating groove 9 of sticking the side surface of template body 1, rotating disc 10 is rotatably arranged in rotating groove 9, one end of special-shaped bolt 7 movably penetrates limit disc 8 and extends into rotating groove 9 and is fixedly connected with rotating disc 10, the center position of cross bar 6 is opened with screw hole 11, the other end of special-shaped bolt 7 is screwed with screw hole 11, and it is integrally formed with the hexagonal head 12 of being driven by spanner outside screw hole 11, further, after template body 1 is installed in pouring position, and internal concrete is completely dry and reach the strength of removing formwork, the hexagonal head 12 of special-shaped bolt 7 end is clamped and rotated by spanner or electric wrench, the hexagonal head 12 drives special-shaped bolt 7 to rotate synchronously, by the screwing cooperation of special-shaped bolt 7 and the screw hole 11 of the center of cross bar 6, drive cross bar 6 to move towards the center direction of template body 1, when cross bar 6 moves, synchronously drive the connecting block 5 of being fixedly connected at both ends, and connecting block 5 in turn drives resistance block 4 in the blind slot 2 of the back of template body 1 to slide along blind slot 2, until the outside of resistance block 4 is tightly pressed against the concrete wall that has been formed, by continuously rotating hexagonal head 12, special-shaped bolt 7 continues to drive resistance block 4 to press tightly to the wall direction, and resistance block 4 is pushed back by the reaction force of wall and reversely drives template body 1, so that template body 1 gradually separates from the direction of wall, with the continuous pushing of resistance block 4, the separation gap between template body 1 and wall is continuously expanded, finally without the aid of crowbar, only by the pushing effect, template body 1 can be completely pressed out and removed, avoid template body 1 to crack and concrete wall corner to be damaged.

[0018] Resistance block 4, blind slot 2, through mouth 3 and connecting block 5 are square, and the side of resistance block 4 sticking the bottom surface of blind slot 2 is opened with square recess 13, and square recess 13 is inlaid with sealing strip 14, by inlaying sealing strip 14 in square recess 13 on resistance block 4, resistance block 4 can be tightly filled with the gap between resistance block 4 and through mouth 3 edge when sliding to the position of through mouth 3 along blind slot 2, by the elastic sticking characteristics of sealing strip 14, while resistance block 4 blocks through mouth 3, effectively avoid concrete slurry from through mouth 3 during pouring process, completely block the leakage path, finally realize the reliable sealing effect of through mouth 3, guarantee the pouring forming quality of concrete wall, prevent the defects such as hole, pitted surface due to leakage.

[0019] Working principle: after the concrete is dry, the hexagonal head 12 of the special-shaped bolt 7 is twisted by a wrench or an electric wrench, the special-shaped bolt 7 is rotated and drives the cross rod 6, the connecting block 5 drives the resisting block 4 in the blind groove 2 to resist the concrete wall, the template body 1 is separated from the wall by the reaction force of the wall, the non-damage demolition without a crowbar is realized.

[0020] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A building formwork that is easy to dismantle, comprising a formwork body (1), characterized in that: Blind grooves (2) are symmetrically provided on the back of the template body (1). The bottom of each blind groove (2) is provided with a through opening (3) that passes through the template body (1). Each blind groove (2) is provided with a stop block (4) that is sealed on the through opening (3). Each through opening (3) is provided with a connecting block (5) that is fixed to the two stop blocks (4). The end of the two connecting blocks (5) away from the stop block (4) extends through the through opening (3) to the front of the template body (1) and is fixed to a crossbar (6). A special bolt (7) is rotatably provided on the outer side of the front of the template body (1). The special bolt (7) is used to drive the crossbar (6) to move, and then drive the two stop blocks (4) to move back and forth along the blind groove (2) through the connecting block (5). A limiting plate (8) is fixed at the center of the front of the template body (1). The limiting plate (8) has a rotating groove (9) on the side surface of the template body (1). A turntable (10) is rotatably installed in the rotating groove (9). One end of the special bolt (7) moves through the limiting plate (8) and extends into the rotating groove (9) and is fixedly connected to the turntable (10). A threaded hole (11) is opened at the center of the crossbar (6). The other end of the special bolt (7) is screwed into the threaded hole (11).

2. The easily removable building formwork according to claim 1, characterized in that: The other end of the special bolt (7) extends out of the threaded hole (11) and is integrally formed with a hexagonal head (12) for wrench to turn.

3. The easily removable building formwork according to claim 1, characterized in that: The abutment block (4), blind groove (2), through opening (3) and connecting block (5) are all square, and the abutment block (4) has a square groove (13) on one side of the bottom surface of the blind groove (2), and a sealing strip (14) is embedded in the square groove (13).