Adjustable clamp for reinforcing upper opening of template

By designing an adjustable clamp with positioning rods, clamping plates, and supporting bolts, the problem of low reinforcement efficiency of existing template top clamps was solved, achieving a fast and accurate template reinforcement effect.

CN223991578UActive Publication Date: 2026-03-13CHINA CONSTR FIFTH ENG DIV CORP LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

When using the existing template top clamp, if the difference in the top width of the template being reinforced is large between the two reinforcements, the moving plate will move a large distance, requiring a large number of rotations of the adjustment screw, resulting in slow reinforcement efficiency.

Method used

An adjustable clamp was designed, comprising a positioning rod, a clamping plate, a sliding sleeve, a positioning sleeve, and a support bolt. The clamping plate is coarsely positioned by sliding the positioning sleeve and inserting the positioning pin, and the support bolt is rotated for precise positioning, simplifying the reinforcement process of the top of the template.

Benefits of technology

This improved the efficiency of reinforcing the top of the template, reduced the number of rotations of the adjusting screw, and achieved rapid and precise positioning.

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Abstract

The utility model relates to the technical field of building construction, in particular to an adjustable clamp for reinforcing an upper opening of a formwork, which comprises a positioning rod, one end of the positioning rod is fixedly connected with a first clamping plate, the outer surface of the positioning rod is slidably sleeved with a sliding sleeve, and the bottom of the sliding sleeve is fixedly connected with a second clamping plate. The outer surface of the positioning rod is slidably sleeved with a positioning sleeve, a plurality of positioning holes are formed in the side face of the positioning rod, an insertion hole is formed in the side face of the positioning sleeve, and a positioning pin is inserted into the insertion hole. The template upper opening reinforcing device has the advantages that when the template upper opening is reinforced, the positioning sleeve slides to push the sliding sleeve to move, the positioning pin is inserted into the inserting hole and the positioning hole, the second clamping plate is subjected to coarse positioning, and finally the supporting bolt is rotated to accurately fix the clamping plate, so that the purpose of reinforcing the template upper opening is achieved, the positioning sleeve slides fast, and the template upper opening is not damaged. And the number of rotation turns is small when the supporting bolts are accurately positioned, so that the reinforcing efficiency is effectively improved.
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Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to an adjustable clamp for reinforcing the top of a formwork. Background Technology

[0002] Construction formwork is a temporary support structure. The top of the formwork is usually open, and during pouring, the concrete is poured directly into the formwork from the top opening. To improve the stability of the formwork, clamps are usually used to reinforce it at the top opening.

[0003] Existing clamps for the top of formwork are typically F-shaped, such as the shear wall formwork clamp disclosed in Chinese Patent CN220978827U, and the accompanying specification of that shear wall formwork clamp. Figure 1 The existing template fixture shown in the document is different from the one attached to the instruction manual. Figure 1 The formwork clamp shown in the image allows for arbitrary adjustment of the spacing between the moving and fixed plates, making it suitable for various width requirements. However, during repeated use, the following drawbacks still exist:

[0004] If the first use is to reinforce the top edge of a wider (or narrower) template, and the second use is to reinforce the top edge of a narrower (or wider) template, the difference in distance between the fixed plate and the moving plate will be large. As a result, when adjusting the moving plate's movement distance, the adjusting screw needs to be rotated many times, making the reinforcement efficiency of the top edge of the template slower during the second use. Utility Model Content

[0005] The purpose of this utility model is to at least solve one of the technical defects described in the background art.

[0006] Therefore, one objective of this utility model is to propose an adjustable clamp for reinforcing the top of a template, aiming to solve the problem that in the prior art, if the difference in the width of the top of the template being reinforced is large between two consecutive uses, the moving plate will move a large distance during the second use, requiring the number of turns and angle of the adjustment screw to be rotated, thus resulting in slow reinforcement efficiency.

[0007] To achieve the above objectives, one embodiment of this utility model provides an adjustable clamp for reinforcing the upper opening of a template, comprising a positioning rod, one end of which is fixedly connected to a clamping plate, a sliding sleeve slidably fitted onto the outer surface of the positioning rod, a clamping plate two fixedly connected to the bottom of the sliding sleeve, a positioning sleeve slidably fitted onto the outer surface of the positioning rod, a plurality of positioning holes being provided on the side of the positioning rod, an insertion hole being provided on the side of the positioning sleeve, a positioning pin being inserted into the insertion hole, and a support bolt being threadedly connected to the lower part of the positioning sleeve.

[0008] The beneficial effects are as follows: When reinforcing the top of the template, the positioning rod is placed on the top of the template, with clamp plate one and clamp plate two located on opposite sides of the template, and clamp plate one attached to one side of the template. Then, the positioning sleeve is slid to push the sliding sleeve to move. After clamp plate two is attached to one side of the template, the positioning sleeve is slightly slid away from the template so that the insertion hole corresponds to the nearest positioning hole. Then, the positioning pin is inserted into the insertion hole and the positioning hole to perform coarse positioning of clamp plate two. Finally, the clamp plate is precisely fixed by rotating the support bolt. Thus, the purpose of reinforcing the top of the template is achieved. The positioning sleeve slides quickly, and the support bolt rotates less when precisely positioning, thereby effectively improving the reinforcement efficiency.

[0009] Preferably, in any of the above solutions, a groove 1 is provided above each of the plurality of positioning holes, a groove 2 is provided at the top of the insertion hole, the positioning pin includes a pin shaft, one end of the pin shaft is fixedly connected to a limiting block, the other end of the pin shaft is fixedly connected to a protrusion, and a pull ring is fixedly connected to the side of the limiting block away from the pin shaft.

[0010] The beneficial effects are as follows: When installing the positioning pin, after the protrusion is positioned above the pin shaft, the pin shaft can be passed through the insertion hole and the positioning hole. Then, rotate the positioning pin so that the protrusion faces down, and the positioning pin cannot be dislodged from the insertion hole and the positioning hole. When disassembling the positioning pin, rotate the positioning pin so that the protrusion faces up, and the positioning pin can be pulled out. Therefore, the above design ensures that the positioning pin will not slip while facilitating the installation and disassembly of the positioning pin.

[0011] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0012] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0013] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model.

[0014] Figure 2 This is a schematic diagram of the positioning sleeve in Embodiment 1 of this utility model.

[0015] Figure 3 This is a structural schematic diagram of Embodiment 2 of the present invention.

[0016] Figure 4 This is a schematic diagram of the positioning sleeve in Embodiment 2 of this utility model.

[0017] Figure 5 This is a schematic diagram of the positioning pin in Embodiment 2 of this utility model.

[0018] The components are: 1. Positioning rod, 11. Clamping plate one, 12. Positioning hole, 13. Groove one, 2. Sliding sleeve, 21. Clamping plate two, 3. Positioning sleeve, 31. Insertion hole, 32. Fixing block, 33. Threaded hole, 34. Support bolt, 35. Groove two, 4. Positioning pin, 41. Pin shaft, 42. Limiting block, 43. Protrusion, 44. Pull ring. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] This utility model provides an adjustable clamp for reinforcing the top of a template.

[0022] Example 1:

[0023] like Figure 1-2 As shown, it includes a positioning rod 1, one end of which is fixedly connected to a clamping plate 11. A sliding sleeve 2 is slidably sleeved on the outer surface of the positioning rod 1, and a clamping plate 21 is fixedly connected to the bottom of the sliding sleeve 2. By sliding the sliding sleeve 2 on the surface of the positioning rod 1, the distance between the clamping plate 11 and the clamping plate 21 can be adjusted, thereby reinforcing the upper opening of templates of different widths. A positioning sleeve 3 is slidably sleeved on the outer surface of the positioning rod 1. Multiple positioning holes 12 are opened on the side of the positioning rod 1. An insertion hole 31 is opened on the side of the positioning sleeve 3. A positioning pin 4 is inserted into the insertion hole 31. The positioning pin 4 passes through the positioning hole 12, thereby fixing the position of the positioning sleeve 3. A fixing block 32 is fixedly connected to the bottom of the positioning sleeve 3. A threaded hole 33 is opened on one side of the fixing block 32. A support bolt 34 is threadedly connected inside the threaded hole 33. One end of the support bolt 34 abuts against the outside of the clamping plate 21.

[0024] The working principle of this embodiment is as follows:

[0025] Step 1: First, put the sliding sleeve 2 on the outer surface of the positioning rod 1, then place the positioning rod 1 on the top of the upper opening of the template, and make the clamping plate 11 and clamping plate 21 located on both sides of the template respectively.

[0026] Step 2: Place the positioning sleeve 3 on the outer surface of the positioning rod 1 and slide the positioning sleeve 3. During the sliding process, the support bolt 34 pushes the clamp plate 21 close to the template. When the clamp plate 21 is attached to the side of the template, slightly adjust the position of the positioning sleeve 3 so that the insertion hole 31 corresponds to the nearest positioning hole 12. Then insert the positioning pin 4 into the insertion hole 31 and the positioning hole 12 to fix the position of the positioning sleeve 3. At this time, the sliding sleeve 2 still has a certain range of motion, thereby achieving the purpose of coarse positioning of the clamp plate 21.

[0027] Step 3: Rotate the support bolt 34 so that the support bolt 34 presses against the side of the clamp plate 21 and pushes the clamp plate 21 to move, so that the clamp plate 21 is stuck to the template and cannot move, thereby achieving the purpose of accurately fixing the clamp plate 21 and thus reinforcing the top of the template.

[0028] Example 2:

[0029] like Figure 3-5 As shown in Embodiment 1, a groove 13 is provided above each of the multiple positioning holes 12, and a groove 35 is provided at the top of the insertion hole 31. The positioning pin 4 includes a pin shaft 41, one end of which is fixedly connected to a limit block 42, and the other end of which is fixedly connected to a protrusion 43. When the pin shaft 41 is rotated, and the protrusion 43 is positioned above the pin shaft 41, the pin shaft 41 can pass through the insertion hole 31 and the positioning hole 12. The protrusion 43 then passes through the positioning sleeve 3 and the positioning rod 1 through the groove 13 and the groove 25. Rotate the pin 41 so that the protrusion 43 faces downward. With the cooperation of the limiting block 42, the pin 41 can be limited in the insertion hole 31 and the positioning hole 12, so that the pin 41 cannot be pulled out. When removing the pin 41, it is necessary to rotate the pin 41 so that the protrusion 43 faces upward, and then it can be pulled out. This makes the disassembly and assembly of the positioning pin 4 simple and effortless. The limiting block 42 is fixedly connected to a pull ring 44 on the side away from the pin 41. Inserting a finger into the pull ring 44 makes it easy to rotate the pin 41 and easy to insert and remove the pin 41, thus further facilitating the disassembly and assembly of the positioning pin 4.

Claims

1. An adjustable clamp for reinforcement of a formwork opening, comprising a positioning rod (1), characterized in that, One end of the positioning rod (1) is fixedly connected with the clamping plate one (11), the outer surface of the positioning rod (1) is slidably sleeved with the sliding sleeve (2), the bottom of the sliding sleeve (2) is fixedly connected with the clamping plate two (21), the outer surface of the positioning rod (1) is slidably sleeved with the positioning sleeve (3), the side of the positioning rod (1) is provided with a plurality of positioning holes (12), the side of the positioning sleeve (3) is provided with the insertion hole (31), the insertion hole (31) is inserted with the positioning pin (4), and the lower portion of the positioning sleeve (3) is threadedly connected with the supporting bolt (34).

2. The adjustable clamp for formwork corner reinforcement according to claim 1, wherein, The bottom of the positioning sleeve (3) is fixedly connected with the fixed block (32), one side of the fixed block (32) is provided with the threaded hole (33), and the supporting bolt (34) is threadedly connected in the threaded hole (33).

3. The adjustable clamp for formwork corner reinforcement according to claim 1, wherein, The upper portion of the plurality of positioning holes (12) is provided with the groove one (13), and the top of the insertion hole (31) is provided with the groove two (35).

4. The adjustable clamp for formwork corner reinforcement according to claim 3, wherein, The positioning pin (4) comprises a pin shaft (41), one end of the pin shaft (41) is fixedly connected with the limiting block (42), and the other end of the pin shaft (41) is fixedly connected with the convex block (43).

5. The adjustable clamp for formwork corner reinforcement according to claim 4, wherein, The side, away from the pin shaft (41), of the limiting block (42) is fixedly connected with the pull ring (44).

Citation Information

Patent Citations

  • A shear wall formwork clamp

    CN220978827U