Concrete formwork fixing device

By designing a concrete formwork fixing device including side formwork group, side formwork, bottom formwork and fixing auxiliary components, the problem of cumbersome and large errors in the prior art formwork thickness control is solved, and the precise fixing and efficient concrete formwork is achieved Pouring.

CN222478150UActive Publication Date: 2025-02-14THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD
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Patent Information

Application Number
CN202323546102.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-02-14
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

The thickness control process of existing concrete formwork is cumbersome and has large errors, making it difficult to achieve accurate fixation.

Method used

A concrete formwork fixing device is designed, including side formwork group, side formwork, bottom formwork and fixing auxiliary components, through side protruding blocks, locking threaded holes, clamping blocks, clamping grooves, anti-slip protruding particles, anti-slip convex strips The cooperation of other components can achieve accurate fixation of the template.

Benefits of technology

Through the use of this device, the error can be small when pouring concrete of different sizes, and the fixed mode can be detached, which is easy for workers to operate and improves the efficiency and accuracy of formwork fixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a concrete formwork fixing device which comprises a side formwork set, a side face formwork, a bottom face formwork and a fixing auxiliary assembly, one end of the side formwork set is movably arranged on the ground, the side face formwork is movably arranged at one end of the side formwork set, and the bottom face formwork is movably arranged at one end of the side formwork set in a clamped mode; the side formwork is fixed to the side of the side formwork set through the side extending blocks and the locking threaded holes, and the bottom formwork is fixedly clamped to the bottom of the side formwork set through cooperation of the clamping blocks, the clamping grooves, the anti-skid protruding particles and the anti-skid protruding strips. Through the cooperation of the fixing threaded holes and the expansion bolts, the side formwork sets are fixed in preformed holes formed in advance and fixedly connected with the ground; and through the contraction circular ring, the expanded hollow expansion cylinder is compressed back to the original state during fixing, so that the expansion bolt can be conveniently taken out and moved to a preset position for recycling when concrete of different sizes is poured.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete formwork, in particular to a concrete formwork fixing device. Background Art

[0002] Concrete formwork refers to a complete set of structural systems for forming the formwork for newly poured concrete and the supporting formwork. There are various stage-by-stage classification methods for the classification of formwork. According to the shape, it can be divided into flat formwork and curved formwork; according to the stress conditions, it can be divided into load-bearing formwork and non-load-bearing formwork.

[0003] The thickness of existing concrete formwork is usually regulated by workers based on measurements during on-site pouring, which is a cumbersome operation and has large errors.

[0004] Therefore, the utility model proposes a concrete formwork fixing device for solving the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a concrete formwork fixing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete formwork fixing device comprises a side formwork group, a side formwork, a bottom formwork and a fixing auxiliary component, one end of the side formwork group is movably set on the ground, the side formwork is movably set at one end of the side formwork group, and the bottom formwork is movably clamped at one end of the side formwork group.

[0007] Preferably, the fixing auxiliary component includes a side protruding block, a locking threaded hole, a fixing threaded hole, a clamping block, a clamping groove, an anti-skid protrusion, an anti-skid convex strip, a threaded rod, an expansion bolt head, a tensioning head, a shrinking ring, a washer, an expansion hollow cylinder, an anti-slip barb and a notch. The side protruding block is fixedly arranged at one end of the side template, and a locking threaded hole is fixedly opened at one end of the side protruding block, and a fixing threaded hole is fixedly opened at one end of the side template group, and a clamping block is fixedly arranged at one end of the bottom template, and a clamping groove is fixedly opened at one end of the side template group. The bottom end of the groove is fixedly provided with an anti-slip protrusion, the side of the snap-in groove is fixedly provided with an anti-slip convex strip, the threaded rod is threadedly fixedly sleeved on one end of the fixed threaded hole, an expansion bolt head is fixedly provided on one end of the threaded rod, a tensioning head is fixedly provided on one end of the threaded rod, a shrinkage ring is movably clamped on the side of the threaded rod, a washer is movably provided on one end of the expansion bolt head, an expansion hollow cylinder is movably sleeved on the outer side of the threaded rod, an anti-slip barb is fixedly provided on the outer side of the expansion hollow cylinder, and a notch is fixedly provided on one end of the expansion hollow cylinder.

[0008] Preferably, the clamping blocks and the clamping slots are arranged at corresponding positions and in the same number of groups, and the two are adapted to be movably clamped.

[0009] Preferably, the fixed threaded hole and the threaded rod are arranged at corresponding positions and in the same number of groups, and the two are adapted to be threadedly connected.

[0010] Preferably, the shrink ring is movably clamped on the outside of the threaded rod, that is, the shrink ring can rotate on the outside of the threaded rod.

[0011] Preferably, the bottom end of the side of the expandable hollow cylinder is equidistantly fixed with anti-slip barbs, and the inner diameter of the expandable hollow cylinder is larger than the outer diameter of the threaded rod, and the expandable hollow cylinder is movably sleeved on the outer side of the threaded rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Through the cooperation of the side formwork group, the side formwork and the bottom formwork, a closed pouring space is formed; the side formwork is fixed to the side of the side formwork group through the side extension block and the locking threaded hole, and the bottom formwork is fixed and clamped to the bottom of the side formwork group through the cooperation of the clamping block, the clamping groove, the anti-skid protrusion and the anti-skid convex strip; the side formwork group is fixed in the pre-set reserved hole and fixedly connected to the ground through the cooperation of the fixing threaded hole, the threaded rod, the expansion bolt head, the tensioning head, the washer, the expansion hollow cylinder, the anti-slip barb and the notch; the expansion hollow cylinder that is stretched open during fixing is compressed back to its original state through the shrinking ring, so that when pouring concrete of different sizes, the expansion bolt can be taken out and moved to the predetermined position for recycling, and the error during the operation is small, and the fixing mode is detachable, which is convenient for workers to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection of the clamping block structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 This is a schematic diagram of the expansion bolt structure connection of the utility model;

[0018] Figure 5 For this utility model Figure 4 Enlarged view of point B in the middle.

[0019] In the figure: side formwork group 1, side formwork 2, bottom formwork 3, side extension block 4, locking threaded hole 5, fixing threaded hole 6, snap-in block 7, snap-in groove 8, anti-skid protrusions 9, anti-skid convex strips 10, threaded rod 11, expansion bolt head 12, tensioning head 13, shrinkage ring 14, washer 15, expansion hollow cylinder 16, anti-slip barb 17, notch 18. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model are described clearly and completely below. The embodiments of the utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5A concrete formwork fixing device, the utility model provides a technical solution: a concrete formwork fixing device comprises a side formwork group 1, a side formwork 2, a bottom formwork 3 and a fixing auxiliary component, one end of the side formwork group 1 is movably set on the ground, the side formwork 2 is movably set at one end of the side formwork group 1, and the bottom formwork 3 is movably clamped and set at one end of the side formwork group 1; a side extension block 4 in the fixing auxiliary component is fixedly set at one end of the side formwork 2, and a locking threaded hole 5 is fixedly opened at one end of the side extension block 4, and the side formwork 2 is bolted and connected to the side formwork group 1 through the locking threaded hole 5 opened by the side extension block 4; a fixing threaded hole 6 is fixedly opened at one end of the side formwork group 1, and the side formwork group 1 is moved to the top of the reserved hole, the fixed threaded hole 6 is aligned with the reserved hole, and the expansion bolt is inserted into the reserved hole; a clamping block 7 is fixedly provided at one end of the bottom template 3, and a clamping groove 8 is fixedly provided at one end of the side template group 1. The clamping block 7 and the clamping groove 8 are set at corresponding positions and the same number of groups, and the two are adapted to be movably clamped; the bottom end of the clamping groove 8 is fixedly provided with an anti-skid protrusion 9, and the side of the clamping groove 8 is fixedly provided with an anti-skid convex strip 10. The clamping block 7 of the bottom template 3 is inserted into the clamping groove 8 provided in the side template group 1. With the help of the anti-skid protrusion 9 and the anti-skid convex strip 10, it can be inserted and fixed more tightly; the threaded rod 11 is threadedly fixedly sleeved at one end of the fixed threaded hole 6, and the fixed threaded hole 6 and the threaded rod 11, the setting positions are corresponding, the setting groups are the same, and the two are adapted to be threadedly connected; an expansion bolt head 12 is fixedly provided at one end of the threaded rod 11, a tensioning head 13 is fixedly provided at one end of the threaded rod 11, and a shrinking ring 14 is movably clamped on the side of the threaded rod 11, and the shrinking ring 14 is movably clamped on the outside of the threaded rod 11, that is, the shrinking ring 14 can rotate on the outside of the threaded rod 11; a washer 15 is movably provided at one end of the expansion bolt head 12, and an expansion hollow cylinder 16 is movably sleeved on the outside of the threaded rod 11, and an anti-slip barb 17 is fixedly provided on the outside of the expansion hollow cylinder 16, and the anti-slip barb 17 is equidistantly fixed on the side bottom end of the expansion hollow cylinder 16, and the inner diameter of the expansion hollow cylinder 16 is large. The expansion hollow cylinder 16 is fixed with a notch 18 at one end; the expansion bolt head 12 is rotated by a tool to drive the tensioning head 13 to rise, and the expansion hollow cylinder 16 is expanded with the help of the notch 18, and the anti-slip barb 17 helps it to be better fixed in the ground; when the thickness of the concrete slab needs to be changed, the threaded rod 11 is screwed in, and the shrinking ring 14 that can rotate on the threaded rod 11 is lowered, and the expansion hollow cylinder 16 that is expanded when fixed is compressed back to its original state, so that when pouring concrete of different sizes, the expansion bolt can be taken out and moved to a predetermined position for recycling, and the error in the operation process is small, and the fixing mode is detachable, which is convenient for workers to operate.

[0022] Working principle: In actual use, first preset holes on the ground according to the concrete slabs of different thicknesses, move the side formwork group 1 above the reserved holes, align the fixed threaded holes 6 with the reserved holes, insert the expansion bolts into the reserved holes, and then rotate the expansion bolt heads 12 with tools to drive the tensioning heads 13 to rise. With the help of the notches 18, the expansion hollow cylinders 16 are spread open, and the anti-slip barbs 17 help them to be better fixed in the ground; then insert the clamping blocks 7 of the bottom formwork 3 into the clamping grooves 8 provided in the side formwork group 1, and With the help of 10, it can be plugged and fixed more tightly; finally, the side formwork 2 is fixedly connected with the side formwork group 1 by bolts through the locking threaded hole 5 opened in the side extension block 4; when the thickness of the concrete slab needs to be changed, the threaded rod 11 is screwed in, and the shrinking ring 14 that can rotate on the threaded rod 11 is lowered, and the expanded hollow cylinder 16 that is stretched open during fixation is compressed back to its original state, so that when pouring concrete of different sizes, the expansion bolts can be taken out and moved to the predetermined position for recycling, and the error in the operation process is small, and the fixing mode is detachable, which is convenient for workers to operate.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete formwork fixing device, characterized in that: It comprises a side formwork group (1), a side formwork (2), a bottom formwork (3) and a fixing auxiliary component, wherein one end of the side formwork group (1) is movably arranged on the ground, the side formwork (2) is movably arranged at one end of the side formwork group (1), and the bottom formwork (3) is movably clamped at one end of the side formwork group (1); The fixing auxiliary component comprises a side protruding block (4), a locking threaded hole (5), a fixing threaded hole (6), a snap-in block (7), a snap-in groove (8), an anti-skid protrusion (9), an anti-skid convex strip (10), a threaded rod (11), an expansion bolt head (12), a tensioning head (13), a shrinking ring (14), a washer (15), an expansion hollow cylinder (16), an anti-slip barb (17) and a notch (18). The side protruding block (4) is fixedly arranged on one end of the side template (2), one end of the side protruding block (4) is fixedly provided with a locking threaded hole (5), one end of the side template group (1) is fixedly provided with a fixing threaded hole (6), one end of the bottom template (3) is fixedly provided with a snap-in block (7), one end of the side template group (1) is fixedly provided with a snap-in groove (8), and the The bottom end of the snap-in groove (8) is fixedly provided with an anti-skid protrusion (9), the side of the snap-in groove (8) is fixedly provided with an anti-skid convex strip (10), the threaded rod (11) is threadedly fixedly sleeved on one end of the fixed threaded hole (6), an expansion bolt head (12) is fixedly provided on one end of the threaded rod (11), a tensioning head (13) is fixedly provided on one end of the threaded rod (11), a shrinking ring (14) is movably snap-fitted on the side of the threaded rod (11), a washer (15) is movably provided on one end of the expansion bolt head (12), an expansion hollow cylinder (16) is movably sleeved on the outer side of the threaded rod (11), an anti-slip barb (17) is fixedly provided on the outer side of the expansion hollow cylinder (16), and a notch (18) is fixedly provided on one end of the expansion hollow cylinder (16).

2. A concrete formwork fixing device according to claim 1, characterized in that: The clamping blocks (7) and the clamping grooves (8) are arranged at corresponding positions and have the same number of groups, and the two are adapted to be movably clamped.

3. A concrete formwork fixing device according to claim 1, characterized in that: The fixed threaded holes (6) and the threaded rods (11) are arranged at corresponding positions and have the same number of groups, and the two are adapted to be threadedly connected.

4. A concrete formwork fixing device according to claim 1, characterized in that: The shrink ring (14) is movably clamped and arranged on the outside of the threaded rod (11), that is, the shrink ring (14) can rotate on the outside of the threaded rod (11).

5. A concrete formwork fixing device according to claim 1, characterized in that: The bottom end of the side of the expandable hollow cylinder (16) is equidistantly fixed with anti-slip barbs (17), and the inner diameter of the expandable hollow cylinder (16) is larger than the outer diameter of the threaded rod (11), and the expandable hollow cylinder (16) is movably sleeved on the outer side of the threaded rod (11).