Aluminum alloy side mold plate locking device

By using a square outer sleeve and inner sleeve in the upper fastening device of the aluminum alloy side template, combined with a positioning plate and a limiting baffle, the problem of insufficient strength of the supporting square tube was solved, and the stability and convenience of the locking device were achieved.

CN224379415UActive Publication Date: 2026-06-19SHANDONG JIUWEI NEW MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG JIUWEI NEW MATERIAL CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The existing aluminum alloy side template locking device has strip holes on the supporting square tube, which reduces the strength, makes it easy to deform, and affects disassembly and reuse.

Method used

An upper fastening device is adopted, including a square outer sleeve and an inner sleeve. The spacing of the limiting baffles is adjusted by adjusting the screw, avoiding the use of strip holes, enhancing the support strength, and the design of the positioning plate and limiting baffles enables quick positioning and prevents loosening.

Benefits of technology

The strength of the locking device has been improved to prevent deformation, ensure stability during disassembly and reuse, and facilitate quick installation and disassembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to an aluminum alloy side template locking device, belonging to the field of template fixing technology. It includes tie bolts and an upper fastening device. The upper fastening device includes a square outer sleeve, an inner sleeve, and limiting baffles. An adjusting nut is fixed to one end of the inner sleeve that extends into the outer sleeve. An adjusting screw is internally threaded onto the adjusting nut, and the other end of the adjusting screw is rotatably mounted on the outer sleeve. Preferably, a positioning plate is fixed to the upper outer side of the side template, and positioning flanges for the front and rear side walls of the positioning limiting baffles are fixed to the front and rear sides of the positioning plate. This utility model's upper fastening device includes a square outer sleeve and an inner sleeve. Limiting baffles are fixed to both ends of the inner and outer sleeves. By rotating the adjusting screw, the inner sleeve slides left and right along the inside of the outer sleeve, thereby adjusting the distance between the two limiting baffles and locking the side templates on both sides. This eliminates the need for slotted holes, ensuring the strength of the upper fastening device and better preventing deformation.
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Description

Technical Field

[0001] This utility model relates to an aluminum alloy side template locking device, belonging to the field of template fixing technology. Background Technology

[0002] Aluminum alloy formwork boasts advantages such as light weight, high strength, excellent forming effect, and high reusability, leading to its widespread application in construction. After the aluminum alloy side formwork is positioned for pouring, it needs to be secured using a locking device. This device includes tie bolts at the bottom of the two side formwork sections and fastening devices at the top. The fastening device comprises a supporting square tube, an adjusting sleeve, fixed baffles, and movable baffles. To facilitate adjustment of the distance between the two fixed baffles and the movable baffles, slotted holes are provided on the supporting square tube. Wedge-shaped tightening plates are inserted into these holes to press the adjusting sleeve. However, the slotted holes significantly reduce the strength of the supporting square tube, making it prone to deformation under stress, affecting disassembly and subsequent use. Utility Model Content

[0003] This utility model provides an aluminum alloy side template locking device, which solves the problems existing in the above-mentioned background art.

[0004] This utility model relates to an aluminum alloy side template locking device, including multiple tie bolts that tighten the lower part of both side templates, and multiple upper fastening devices arranged along the length of the side template. The upper fastening device includes a square outer sleeve and an inner sleeve. Limiting baffles are fixed to the bottom of the outer end of the outer sleeve and the bottom of the outer end of the inner sleeve. An adjusting nut is fixed to one end of the inner sleeve that extends into the outer sleeve. An adjusting screw is internally threaded to the adjusting nut. The other end of the adjusting screw is rotatably mounted on the outer sleeve. As a preferred embodiment, a positioning plate is fixed to the upper outer side of the side template, and positioning flanges of the front and rear side walls of the positioning limiting baffle are fixed to the front and rear sides of the positioning plate.

[0005] As a preferred option, an end plate is fixed to one end of the inner sleeve that extends into the outer sleeve, and an adjusting nut is fixed to the end plate for easy installation.

[0006] As a preferred embodiment, an end plate two is fixed to the outer end of the outer sleeve, and a rotating sleeve is fixed in the middle of the end plate two. The adjusting screw is rotatably installed inside the rotating sleeve, which facilitates the installation of the rotating sleeve and the adjusting screw.

[0007] As a preferred embodiment, two triangular reinforcing ribs are welded and fixed to the outer side of the limiting baffle to increase the fixing strength between the limiting baffle and the outer sleeve and inner sleeve. The top of the reinforcing ribs is welded and fixed to the bottom of the outer sleeve or inner sleeve.

[0008] As a preferred embodiment, the top of the positioning plate has an inwardly bent snap-fit ​​edge, and the top of the side template has a snap-fit ​​groove that mates with the bent snap-fit ​​edge. The top of the bent snap-fit ​​edge has two countersunk holes distributed along the front-back direction, each containing a fixing bolt for securing to the side template. The outer wall of the side template has a limiting groove, the bottom of which has a limiting slot. The lower inner wall of the positioning plate has a limiting boss that mates with the limiting groove, and the bottom inner end of the limiting boss has a limiting platform that mates with the limiting slot. This design allows for quick positioning and installation of the positioning plate, and better prevents it from loosening.

[0009] As a preferred option, the tie bolts are provided with tension nuts and washers at both ends.

[0010] As a preferred embodiment, an upper fastening device is also provided above the connection of adjacent side templates. The two countersunk holes of the upper fastening device are respectively set on the two adjacent side templates. A connecting flange edge is fixed on the outer wall of the end of each side template. The positioning plate and the limiting baffle are provided with limiting opening grooves for the upper end of the connecting flange edge to be inserted from the bottom. The setting of the connecting flange edge can be turned upside down to mate with the adjacent side templates. Furthermore, the upper fastening device above the connection of the adjacent side templates can better limit the connection and prevent deformation at this point.

[0011] As a preferred option, two reinforcing ribs are respectively set on both sides of the limiting opening groove for greater stability, and the lower middle part of the connecting flange edge is fixed by fastening bolts.

[0012] This utility model has the following beneficial effects:

[0013] The upper fastening device includes a square outer sleeve and an inner sleeve. Limiting baffles are fixed at both ends of the inner sleeve and the outer sleeve. By rotating the adjusting screw, the inner sleeve slides left and right along the inside of the outer sleeve, thereby adjusting the distance between the limiting baffles on both sides and locking the side templates on both sides. There is no need to set the strip hole, which ensures the strength of the upper fastening device and better prevents deformation. In addition, the setting of the positioning plate and positioning flange can quickly position the limiting baffles and better prevent the limiting baffles on both sides from tilting during installation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0015] Figure 2 for Figure 1 Partial structural diagram;

[0016] Figure 3 This is a schematic diagram of the side structure at the connection point of adjacent side templates;

[0017] Figure 4A schematic diagram of a limiting baffle with a limiting opening groove;

[0018] In the diagram: 1. Side template; 2. Tensioner nut; 3. Tie bolt; 4. Washer; 5. Limiting clamp; 6. Limiting groove; 7. Fixing bolt; 8. End plate two; 9. Rotary sleeve; 10. Adjusting screw; 11. Adjusting nut; 12. End plate one; 13. Bending snap-fit ​​edge; 14. Snap-fit ​​groove; 15. Outer sleeve; 16. Inner sleeve; 17. Reinforcing rib plate; 18. Positioning flange; 19. Positioning plate; 20. Limiting baffle; 21. Connecting flange edge; 22. Limiting opening slot. Detailed Implementation

[0019] The present invention will be further described below with reference to the embodiments.

[0020] Example 1, as Figures 1 to 4 As shown, this utility model is an aluminum alloy side template locking device, including multiple tie bolts 3 that tighten the lower part of the side templates 1, and multiple upper fastening devices arranged along the length of the side template 1. The upper fastening devices include a square outer sleeve 15 and an inner sleeve 16. Limiting baffles 20 are fixed to the bottom of the outer end of the outer sleeve 15 and the bottom of the outer end of the inner sleeve 16. An adjusting nut 11 is fixed to one end of the inner sleeve 16 that extends into the outer sleeve 15. An adjusting screw 10 is internally threaded to the adjusting nut 11. The other end of the adjusting screw 10 is rotatably mounted on the outer sleeve 15. A positioning plate 19 is fixed to the upper outer side of the side template 1. Positioning flanges 18 of the front and rear side walls of the positioning limiting baffles 20 are fixed to the front and rear sides of the positioning plate 19.

[0021] During operation, side formwork 1 is placed on both sides of the location to be poured. The lower part of the side formwork 1 is then secured with tie bolts 3. The limiting baffles 20 on both sides are then inserted from the top of the positioning plate 19. The positioning flange 18 positions the limiting baffles 20. The adjusting screw 10 is then rotated, and the adjusting nut 11 drives the inner sleeve 16 to slide in the inner hole of the outer sleeve 15, so that the limiting baffles 20 on both sides are pressed against the outer wall of the positioning plate 19. Concrete can then be poured. After the concrete has dried, the adjusting screw 10 is rotated in the opposite direction to move the limiting baffles 20 on both sides away from each other. The inner sleeve 16 and the outer sleeve 15 can then be removed, and the tie bolts 3 can be loosened to disassemble the side formwork 1.

[0022] In Example 2, based on Example 1, an end plate 12 is fixed to one end of the inner sleeve 16 that extends into the outer sleeve 15, and an adjusting nut 11 is fixed to the end plate.

[0023] An end plate 2 8 is fixed to the outer end of the outer sleeve 15, and a rotating sleeve 9 is fixed in the middle of the end plate 2 8. The rotating sleeve 9 is made of two semi-circular sleeves welded together for easy connection. The rotating sleeve 9 has an annular limiting groove inside, and the adjusting screw 10 is rotatably installed inside the rotating sleeve 9. When rotating the adjusting screw 10, an electric wrench can be used to tighten it.

[0024] Two triangular reinforcing ribs 17 are welded and fixed to the outside of the limiting baffle 20. The top of the reinforcing ribs 17 is welded and fixed to the bottom of the outer sleeve 15 or the inner sleeve 16.

[0025] The top of the positioning plate 19 is provided with an inwardly bent snap-fit ​​edge 13, and the top of the side template 1 is provided with a snap-fit ​​groove 14 that mates with the bent snap-fit ​​edge 13. The top of the bent snap-fit ​​edge 13 is provided with two countersunk holes distributed in the front-back direction. Each countersunk hole is fitted with a fixing bolt 7 that is fixed to the side template 1. The outer side wall of the side template 1 is provided with a limiting groove 6, and the bottom of the limiting groove 6 is provided with a limiting slot. The lower inner side wall of the positioning plate 19 is fixed with a limiting boss that mates with the limiting groove 6, and the bottom inner end of the limiting boss is provided with a limiting slot 5 that mates with the limiting slot. When installing the positioning plate 19, insert the limiting boss from the top of the limiting groove 6 and place the positioning plate 19 against the side wall of the side template 1. Then move the positioning plate 19 downward so that the limiting plate 5 is inserted into the limiting groove and the bent snap-fit ​​edge 13 is inserted into the snap-fit ​​groove 14. Then screw the fixing bolt 7 into the countersunk hole to fix the bent snap-fit ​​edge 13 to the side template 1.

[0026] The tie bolt 3 has a tension nut 2 and a washer 4 at both ends.

[0027] An upper fastening device is also provided above the connection of adjacent side templates 1. The two countersunk holes of the upper fastening device are respectively set on the two adjacent side templates 1. A connecting flange edge 21 is fixed on the outer side wall of the end of each side template 1. The positioning plate 19 and the limiting baffle 20 are provided with a limiting opening groove 22 for the upper end of the connecting flange edge 21 to be inserted from the bottom.

[0028] Two reinforcing ribs 17 are respectively installed on both sides of the limiting opening slot 22, and are connected and fixed to the lower middle part of the connecting flange edge 21 by fastening bolts. When fixing adjacent side templates 1, first, the lower part of the adjacent side template 1 is fixed by fastening bolts inserted into the mounting holes in the lower middle part of the connecting flange edge 21. Then, the limiting opening slot 22 of the positioning plate 19 of the upper fastening device above the connection of the adjacent side templates 1 is inserted into the top of the connecting flange edge 21 for limiting, and the limiting clamping plate 5 of the upper fastening device is inserted into the limiting clamping slot. The bent clamping edge 13 is inserted into the clamping groove 14, and the fixing bolt 7 is tightened. When disassembling the side template 1, the positioning plate 19 needs to be disassembled.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0030] In the description of this utility model, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not require that this utility model must be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

Claims

1. A locking device for aluminum alloy side templates, comprising a plurality of tie bolts (3) for tightening the lower part of the side templates (1), and further comprising a plurality of upper fastening devices arranged along the length direction of the side templates (1), characterized in that: The upper fastening device includes a square outer sleeve (15) and an inner sleeve (16). Limiting baffles (20) are fixed at the bottom of the outer end of the outer sleeve (15) and the bottom of the outer end of the inner sleeve (16). An adjusting nut (11) is fixed at one end of the inner sleeve (16) that extends into the outer sleeve (15). An adjusting screw (10) is connected to the adjusting nut (11) by an internal thread. The other end of the adjusting screw (10) is rotatably mounted on the outer sleeve (15). A positioning plate (19) is fixed on the upper outer side of the side template (1). Positioning flanges (18) of the front and rear side walls of the positioning limiting baffles (20) are fixed on the front and rear sides of the positioning plate (19).

2. The aluminum alloy side template locking device according to claim 1, characterized in that: An end plate (12) is fixed to one end of the inner sleeve (16) that extends into the outer sleeve (15), and an adjusting nut (11) is fixed to the end plate.

3. The aluminum alloy side template locking device according to claim 2, characterized in that: An end plate (8) is fixed to the outer end of the outer sleeve (15), and a rotating sleeve (9) is fixed in the middle of the end plate (8). The adjusting screw (10) is rotatably installed inside the rotating sleeve (9).

4. The aluminum alloy side template locking device according to claim 1, characterized in that: Two triangular reinforcing ribs (17) are welded and fixed to the outside of the limiting baffle (20). The top of the reinforcing ribs (17) is welded and fixed to the bottom of the outer sleeve (15) or the inner sleeve (16).

5. The aluminum alloy side template locking device according to claim 4, characterized in that: The top of the positioning plate (19) is provided with an inwardly bent snap-fit ​​edge (13), the top of the side template (1) is provided with a snap-fit ​​groove (14) that mates with the bent snap-fit ​​edge (13), the top of the bent snap-fit ​​edge (13) is provided with two countersunk holes distributed along the front and rear directions, each countersunk hole is provided with a fixing bolt (7) fixed on the side template (1), the outer side wall of the side template (1) is provided with a limiting groove (6), the bottom of the limiting groove (6) is provided with a limiting slot, the lower inner side wall of the positioning plate (19) is fixed with a limiting boss that mates with the limiting groove (6), the bottom inner end of the limiting boss is provided with a limiting slot (5) that mates with the limiting slot.

6. The aluminum alloy side template locking device according to claim 1, characterized in that: The tie bolt (3) is provided with a tension nut (2) and a washer (4) at both ends.

7. The aluminum alloy side template locking device according to claim 5, characterized in that: An upper fastening device is also provided above the connection of adjacent side templates (1). The two countersunk holes of the upper fastening device are respectively set on the two adjacent side templates (1). A connecting flange edge (21) is fixed on the outer side wall of the end of each side template (1). The positioning plate (19) and the limiting baffle (20) are provided with a limiting opening groove (22) for the upper end of the connecting flange edge (21) to be inserted from the bottom.

8. The aluminum alloy side template locking device according to claim 7, characterized in that: Two reinforcing ribs (17) are respectively set on both sides of the limiting opening groove (22), and the middle and lower part of the connecting flange edge (21) is fixed by fastening bolts.