Building construction formwork fastening device

The combined structure of the lead screw, swivel and limit block solves the problems of difficult disassembly of the existing template and the need for bolt holes, achieving the effect of quick disassembly and preventing fasteners from leaking.

CN223423624UActive Publication Date: 2025-10-10TANGSHAN HANGWEI CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422196201.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-10-10
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

When existing building construction formwork is fixed with tension bolts, it is difficult to disassemble and the bolts are easily left in the concrete, affecting the aesthetics and waterproofing effect of the wall.

Method used

The combined structure of lead screw, swivel, limit block and support frame is adopted to realize the rapid limitation and disassembly of the formwork through rotation and movement, thus avoiding fasteners leaving holes in the concrete.

Benefits of technology

It enables quick disassembly and fixation of the formwork, prevents fasteners from leaving holes in the concrete, and improves the aesthetics and waterproof performance of the wall.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a building construction template fastening device which comprises a template and a transverse rod, the transverse rod is arranged on the front surface of the template, and the building construction template fastening device further comprises a tensioning component rotationally arranged in the front surface of the template; and the limiting component is rotationally arranged on the back of the tensioning component. According to the building construction formwork fastening device, through cooperative work of a lead screw, a rotating ring and a first limiting block, a connecting rod is tensioned, through cooperative work of the connecting rod, the first limiting block and a clamping block, the lead screw is limited and fixed, through cooperative work of a rotating rod, a sliding block and a supporting frame, one end of a supporting rod is driven to move upwards, and the clamping block is clamped; through cooperative work of the components, the purpose of conveniently and rapidly disassembling the fastener is achieved, and meanwhile the situation that the fastener flows out of the through hole at the position of concrete, and consequently water leakage is caused is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a building construction template fastening device. Background Art

[0002] Construction formwork is a temporary structure widely used in the construction industry to support the load during concrete pouring and ensure that the concrete forms the required shape and size before solidifying. The design and use of the formwork system are essential to ensuring the quality, safety and economy of the building structure. The formwork determines the final shape and size of the concrete structure to ensure that it meets the requirements of the design drawings. During the concrete pouring and solidification process, the formwork provides the necessary support to prevent the concrete from flowing and collapsing. Construction formwork is an indispensable part of the construction project. Its design and construction quality directly affect the safety, functionality and aesthetics of the building structure. With the development of construction technology, the formwork system is also constantly innovating to adapt to more complex and efficient construction needs.

[0003] Current construction formwork usually uses tension bolts to limit and fix the formwork. When dismantling, the bolts on both sides need to be removed and the bolts need to be pulled out of the concrete at the same time. This is not only difficult to dismantle, but also the entire bolt will remain in the concrete, affecting the appearance and waterproofness of the wall. Utility Model Content

[0004] The purpose of the present utility model is to provide a construction formwork fastening device to solve the problem raised in the above background technology that current construction formwork usually uses tension bolts to limit and fix the formwork. When disassembling, the bolts on both sides need to be removed and the bolts need to be pulled out of the concrete at the same time. Not only is disassembly difficult, but the whole body will also remain in the concrete, affecting the appearance and waterproofness of the wall.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a construction template fastening device, comprising a template and a cross bar, wherein the front surface of the template is provided with a cross bar, and the construction template fastening device further comprises: a tensioning member rotatably arranged inside the front surface of the template; a limiting member rotatably arranged on the back of the tensioning member; wherein the tensioning member is used to tighten the limiting member, and the limiting member is used to limit the template.

[0006] Preferably, in order to tighten and fix the limiting member, a tensioning member is provided inside the front surface of the template;

[0007] The rotating ring drives the lead screw to move forward through the thread provided on the inner wall, the lead screw drives the first limit block to move forward, the first limit block drives the connecting rod to move forward, and the connecting rod drives the second limit block to move forward.

[0008] Preferably, the front surface and the back surface of the connecting rod are respectively provided with a card slot.

[0009] Preferably, a spring is provided on the back side of the clamping block.

[0010] Preferably, the interior of the swivel is provided with a thread matching the thread on the outer wall of the lead screw.

[0011] Preferably, in order to limit the position of the template, a limiting member is provided on the back of the tensioning member;

[0012] The rotating rod drives the slider forward through the threads provided on the outer wall and the threads provided inside the slider, and the slider drives one end of the support rod to move forward. The forward movement of one end of the support rod drives the other end of the support rod to move upward through the limit of the support frame.

[0013] Preferably, the outer wall of the rotating rod is provided with threads.

[0014] Preferably, one end of the support rod is provided with an inclined surface.

[0015] Preferably, the interior of the slider is provided with a thread matching the thread on the outer wall of the rotating rod.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the construction formwork fastening device achieves the purpose of tightening the connecting rod through the cooperation of the lead screw, the swivel and the first limit block, and achieves the purpose of limiting and fixing the lead screw through the cooperation of the connecting rod, the first limit block and the clamping block, and achieves the purpose of driving one end of the support rod to move upward through the cooperation of the rotating rod, the slider and the support frame, thereby limiting and fixing the formwork, and through the cooperation of the above-mentioned components, convenient and quick disassembly of the fasteners is achieved, while preventing the fasteners from flowing out of the through hole in the concrete and leaking water. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of a front view connection structure;

[0019] Figure 3 for Figure 1 A schematic diagram of the side cross-sectional connection structure of the middle tensioning member and the limiting member;

[0020] Figure 4 for Figure 1 Schematic diagram of the front cross-sectional connection structure of the middle tension member.

[0021] In the figure: 1, template, 2, cross bar, 3, tensioning member, 301, connecting rod, 302, first limit block, 303, clamping block, 304, lead screw, 305, swivel, 4, limit member, 401, second limit block, 402, support frame, 403, rotating rod, 404, slider, 405, support rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4 The utility model provides a technical solution: a construction template fastening device, including a template 1 and a cross bar 2, the cross bar 2 is provided on the front surface of the template 1, and the construction template fastening device also includes: a tensioning member 3 rotatably arranged inside the front surface of the template 1; a limiting member 4 rotatably arranged on the back of the tensioning member 3; wherein the tensioning member 3 is used to tighten the limiting member 4, and the limiting member 4 is used to limit the template 1.

[0024] Specifically, the tensioning member 3 includes: a connecting rod 301, a first limiting block 302, a clamping block 303, a lead screw 304 and a rotating ring 305;

[0025] The connecting rod 301 is inserted and arranged inside the template 1; the first limit block 302 is clamped and arranged inside the front surface of the connecting rod 301; the clamping block 303 is slidably arranged inside the first limit block 302, and the clamping block 303 is used to limit the first limit block 302; the screw 304 is fixedly arranged on the front surface of the first limit block 302, and the screw 304 is used to support the swivel 305; the swivel 305 is rotatably arranged on the outer wall of the screw 304, and the swivel 305 tightens the connecting rod 301 through the thread of the outer wall of the screw 304; wherein, the connecting rod 301 is used to support the first limit block 302, and the first limit block 302 is used to limit the screw 304, the front surface and back of the connecting rod 301 are respectively provided with clamping grooves, the back side of the clamping block 303 is provided with a spring, and the inside of the swivel 305 is provided with a thread matching the thread of the outer wall of the screw 304.

[0026] More specifically, the limiting member 4 includes: a second limiting block 401, a support frame 402, a rotating rod 403, a slider 404 and a support rod 405;

[0027] The second limiting block 401 is clamped and arranged at the back side of the connecting rod 301; the supporting frame 402 is fixedly arranged at the back of the second limiting block 401; the rotating rod 403 is rotatably arranged in the supporting frame 402; the rotating rod 403 drives the sliding block 404 to move forward and backward through the screw thread arranged on the outer wall of the rotating rod 403; the sliding block 404 is slidably arranged on the outer wall of the rotating rod 403; the sliding block 404 is used to drive one end of the supporting rod 405 to move forward and backward; the supporting rod 405 is rotatably arranged at the top end and the bottom end of the sliding block 404; the center of the supporting rod 405 is rotatably arranged in the supporting frame 402; the supporting rod 405 limits the template 1 through the supporting frame 402; the outer wall of the rotating rod 403 is provided with a screw thread; one end of the supporting rod 405 is provided with an inclined surface; the inner part of the sliding block 404 is provided with a screw thread matched with the screw thread of the outer wall of the rotating rod 403.

[0028] The detailed connection means is the technology known in the art, and the working principle and process are mainly introduced below.

[0029] When the building construction template fastening device is used, the user first inserts the connecting rod 301 in the tensioning member 3 into the template 1 and the cross rod 2, then rotates the rotating rod 403 in the limiting member 4, the rotating rod 403 drives the sliding block 404 to move forward through the screw thread arranged on the outer wall of the rotating rod 403 and the screw thread arranged in the inner part of the sliding block 404, the sliding block 404 drives one end of the supporting rod 405 to move forward, one end of the supporting rod 405 moves forward to drive the other end of the supporting rod 405 to move upward through the limiting of the supporting frame 402, then rotates the rotating ring 305, the rotating ring 305 drives the lead screw 304 to move forward through the screw thread arranged on the inner wall of the rotating ring 305, the lead screw 304 drives the first limiting block 302 to move forward, the first limiting block 302 drives the connecting rod 301 to move forward, the connecting rod 301 drives the second limiting block 401 to move forward, the second limiting block 401 drives the supporting frame 402 to move forward, the supporting frame 402 drives the supporting rod 405 to move forward, the supporting rod 405 limits the template 1 and the cross rod 2 by moving forward, after the poured concrete is dried, rotate the lead screw 304, the lead screw 304 drives the first limiting block 302 to rotate, the first limiting block 302 rotates to drive the clamping block 303 to move backward through the arc shape of the top end of the clamping block 303, the clamping block 303 moves backward to cancel the limitation of the first limiting block 302, move the lead screw 304 forward to remove the lead screw 304 and the rotating ring 305, rotate the supporting frame 402, the supporting frame 402 drives the second limiting block 401 to rotate, the second limiting block 401 rotates to the appropriate position to cancel the limitation of the supporting frame 402, move the supporting frame 402 backward to remove the supporting frame 402.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A construction template fastening device, comprising a template (1) and a crossbar (2), wherein the front surface of the template (1) is provided with a crossbar (2), characterized in that: The construction template fastening device also includes: Rotating a tensioning member (3) disposed inside the front surface of the template (1); Rotating a limiting member (4) disposed on the back of the tensioning member (3); The tensioning member (3) is used to tension the limiting member (4), and the limiting member (4) is used to limit the position of the template (1).

2. A construction template fastening device according to claim 1, characterized in that: The tensioning member (3) comprises: Inserting a connecting rod (301) disposed inside the template (1); A first limiting block (302) is clamped and arranged inside the front surface of the connecting rod (301); a clamping block (303) slidably arranged inside the first limiting block (302); a lead screw (304) fixedly arranged on the front surface of the first limiting block (302); Rotating a rotating ring (305) provided on the outer wall of the lead screw (304); The connecting rod (301) is used to support the first limiting block (302), and the first limiting block (302) is used to limit the lead screw (304).

3. A construction template fastening device according to claim 2, characterized in that: The front surface and the back of the connecting rod (301) are respectively provided with a card slot.

4. A construction template fastening device according to claim 3, characterized in that: A spring is provided on the back side of the clamping block (303).

5. A construction template fastening device according to claim 4, characterized in that: The interior of the rotating ring (305) is provided with a thread matching the thread on the outer wall of the lead screw (304).

6. A construction template fastening device according to claim 5, characterized in that: The limiting component (4) comprises: A second limiting block (401) is clamped and arranged inside the back side of the connecting rod (301); A support frame (402) fixedly arranged on the back of the second limiting block (401); Rotating a rotating rod (403) disposed inside the supporting frame (402); A slider (404) slidably arranged on the outer wall of the rotating rod (403); The support rods (405) are rotatably arranged at the top and bottom ends of the slider (404), and the center of the support rods (405) is rotatably arranged inside the support frame (402).

7. A construction template fastening device according to claim 6, characterized in that: The outer wall of the rotating rod (403) is provided with threads.

8. A construction template fastening device according to claim 7, characterized in that: One end of the support rod (405) is provided with an inclined surface.

9. A construction template fastening device according to claim 8, characterized in that: The interior of the slider (404) is provided with a thread matching the thread on the outer wall of the rotating rod (403).