Form and form fastening apparatus for supporting same
The formwork fastening device with a metal plate, support slots, and a protruding locking portion effectively addresses the instability issue by securing the fasteners to the flange, ensuring stability and cohesion under increased loads and vibrations.
Patent Information
- Application Number
- PCT/KR2024/008496
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-07-06
- Filing Date
- 2024-06-20
- Publication Date
- 2025-01-09
AI Technical Summary
The existing formwork fastening systems fail to maintain stability under increased loads, as the fasteners supporting the bottom of the formwork can disengage from the flange, leading to instability and potential vibration issues.
A formwork fastening device featuring a metal plate with annular shape, support slots, and a protruding locking portion that engages with an external locking ledge, preventing disengagement and enhancing stability by distributing and securing the load effectively.
The solution ensures that the formwork remains stable under increased loads by preventing disengagement of the fasteners and maintaining a strong supporting force, even when subjected to vibrations or impacts, thereby improving the overall stability and cohesion of the structure.
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Figure KR2024008496_09012025_PF_FP_ABST
Abstract
Description
Formwork and formwork fastening devices for supporting it
[0001] The present invention relates to a formwork and a formwork fastening device for supporting the same, and more particularly, to a formwork for supporting the lower part of the formwork and a formwork fastening device for supporting the same.
[0002] The flange at the bottom of the formwork is installed to support the formwork and provide stability. Specifically, the flange is installed between the lower portion of the formwork and the underlying structure, playing a crucial role in ensuring that the formwork remains stationary and secure.
[0003] The lower part of the formwork must support a considerable weight, and the load is evenly transferred to the flange, which can distribute the load and improve the stability of the structure.
[0004] And when vibration or impact occurs in the formwork, the flange cushions the vibration or impact and safely supports the formwork and the base structure.
[0005] The flange at the bottom of the formwork is a crucial element for firmly supporting the bottom of the formwork, thus affecting the stability of the entire formwork. Therefore, the flange at the bottom of the formwork demands precision from the design, manufacturing, and installation stages. Fasteners supporting the bottom of the formwork must be carefully designed and used to ensure a stable connection and maintain bonding strength.
[0006] However, the fastener supporting the bottom of the formwork is fastened to the bottom flange of the formwork by pressure and bite joints, and there is a problem that the fastener supporting the bottom of the formwork may be released from the fastening joint at the bottom flange of the formwork when the load applied to the bottom of the formwork increases.
[0007] The purpose of the present invention is to provide a formwork capable of enhancing the bonding strength of the bottom of the formwork and a formwork fastening device for supporting the same.
[0008] In order to achieve the above object, the present invention provides a formwork and a formwork fastening device for supporting the same, comprising: a fastening body formed by forming a metal plate in an annular shape with a predetermined width; a pair of support slots formed such that a portion of the flange is inserted from one area of the edge of the metal plate of the fastening body and the other area opposite to it; and a protruding engaging portion formed by protruding from the edge area of the metal plate of the fastening body on the side where the pair of support slots are formed and hooking onto an external hooking protrusion. Since the protruding engaging portion hooks onto the external hooking protrusion while the pair of support slots receive the flange of the lower part of the formwork, the bonding is prevented from being released even when the load applied to the lower part of the formwork increases, thereby improving the stability of the lower part of the formwork.
[0009] Here, it is preferable to further include a release prevention part formed by bending from the protruding end area of the protruding hook part toward the edge of the metal plate of the fastening body on the side where the pair of support slots are formed, so that the hooking connection is not released while the protruding hook part is hooked on the external hooking jaw.
[0010] And, it is preferable that the length of the pair of support slots be at most 50% of the length between the edges on both sides of the metal plate of the fastening body, so that the supporting force of the fastening body is not weakened.
[0011] Here, it is preferable that the protruding catch portion has a cross-sectional shape that becomes narrower in the protruding direction, so that it can be easily inserted into the external catch.
[0012] And the above fastening body is composed of an upper plate, a lower plate opposite the upper plate, and a pair of side plates connecting the upper plate and the lower plate and having the pair of support slots formed therein, and further includes a body support part that supports the fastening body in a state where a part of the flange is inserted into the pair of support slots by being joined to the pair of side plates, the upper plate, and the lower plate on the side where the pair of support slots are not formed, so that the support force of the body support part can be added to the support force of the fastening body, and thus the stability of the bottom of the formwork can be further improved, which is preferable.
[0013] According to the present invention, since a pair of support slots accommodate a flange at the bottom of the formwork and a protruding catch is caught on an external catch, the connection can be prevented from being released even when the load applied to the bottom of the formwork increases, thereby improving the stability of the bottom of the formwork.
[0014] In addition, it has the effect of preventing the engagement from being released when the protruding engagement part is caught on the external engagement jaw and preventing the supporting force of the fastening body from being weakened.
[0015] In addition, it can be easily inserted into an external catch, and the supporting force of the main body support part can be added to the supporting force of the fastening body, so there is an effect of further improving the stability of the bottom of the formwork.
[0016] Figure 1 is a perspective view of the installation of a formwork according to the present invention and a formwork fastening device for supporting the same.
[0017] Figure 2 is a detailed cross-sectional drawing of the installation of the formwork and the formwork fastening device for supporting the formwork.
[0018] Figure 3 is an example of a release prevention device.
[0019] Figure 4 is an example diagram showing the length of the support slot and the shape of the catch protrusion.
[0020] Figure 5 is an example drawing of a main body support part.
[0021] Figure 6 is an example of a slot support part.
[0022] Figure 7 is an example of the operation of the biting support part.
[0023] Figure 8 is an example of installation of a reinforcing member.
[0024] Hereinafter, a formwork and a formwork fastening device (1) for supporting the same according to a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.
[0025] FIG. 1 is a perspective view showing the installation of a formwork according to the present invention and a formwork fastening device (1) for supporting the same, FIG. 2 is a detailed cross-sectional view showing the installation of a formwork and a formwork fastening device (1) for supporting the same, FIG. 3 is an exemplary view showing an anti-jamming part (40), FIG. 4 is an exemplary view showing the length of a support slot (20) and the shape of a protruding catch part (30), FIG. 5 is an exemplary view showing a main body support part (50), FIG. 6 is an exemplary view showing a slot support part (14, 15), FIG. 7 is an exemplary operation diagram of a bite support part (60), and FIG. 8 is an exemplary view showing the installation of a reinforcing member (70).
[0026] Referring to FIGS. 1 to 8, the configuration of the formwork and the formwork fastening device (1) for supporting the formwork is described.
[0027] The formwork and the formwork fastening device (1) for supporting the formwork may have a length of a pair of support slots (21, 22) that may be up to 50% of the length between the edges on both sides of the metal plate of the fastening body (10). The formwork and the formwork fastening device (1) for supporting the formwork include a fastening body (10), a support slot (20), a protruding catch portion (30), a catch release prevention portion (40), and a body support portion (50).
[0028] The fastening body (10) has a shape in which a metal plate is formed in a circular shape with a predetermined width. The fastening body (10) includes an upper plate (11), a lower plate (12), and a side plate (13).
[0029] The upper plate (11) may be a plate forming the upper portion of the fastening body (10).
[0030] The lower plate (12) may be a plate facing the upper plate (11).
[0031] The side plate (13) may be a pair of configurations that connect the upper plate (11) and the lower plate (12) and form a pair of support slots (21, 22).
[0032] The support slot (20) is a pair of configurations formed so that a part of the flange (3) is inserted from one area of the edge of the metal plate of the fastening body (10) and the other area opposite to it. The support slot (20) includes a first support slot (21) and a second support slot (22).
[0033] The first support slot (21) is formed by recessing from one area of the edge of the metal plate of the fastening body (10).
[0034] The second support slot (22) is formed by recessing from the other area facing the edge of the metal plate of the fastening body (10).
[0035] The protruding hook (30) is formed by protruding from the metal plate edge area of the fastening body (10) on the side where a pair of support slots (21, 22) are formed and hooks onto the external hook.
[0036] The protruding portion (30) may have a cross-sectional shape that becomes narrower as it protrudes.
[0037]
[0038] *
[0039] *The anti-release part (40) can be formed by bending from the protruding end area of the protruding part (30) toward the metal plate edge of the fastening body (10) on the side where a pair of support slots (21, 22) are formed.
[0040] The main body support part (50) is joined to a pair of side plates (13), an upper plate (11) and a lower plate (12) on the side where a pair of support slots (21, 22) are not formed, and can support the fastening main body (10) with a part of the flange (3) inserted into a pair of support slots (21, 22).
[0041] Figure 3 is an example of a release prevention part (40).
[0042] The anti-catch release portion (40) may be formed by bending from the right side of the lower end region of the protruding catch portion (30), or may be formed by bending from the left side of the lower end region of the protruding catch portion (30). In addition, the anti-catch release portion (40) may be formed by bending on both the right and left sides of the lower end region of the protruding catch portion (30).
[0043] Figure 4 is an example diagram showing the length of the support slot (20) and the shape of the protruding hook (30).
[0044] The length of the left and right width of the fastening body (10) is D1, and the length of the support slot (20) is D2, so that the length of the support slot (20) is formed to be less than half the length of the left and right width of the fastening body (10). If the length of the support slot (20) becomes more than half the length of the left and right width of the fastening body (10), the support force of the fastening body (10) decreases, so it is preferable that the length of the left and right width of the fastening body (10) be maintained at least twice as long as the length of the support slot (20).
[0045] Additionally, the lower side of the protruding catch (30) may be formed narrower than the upper side so that it can be easily inserted into an external catch.
[0046] Figure 5 is an example drawing of a main body support part (50).
[0047] The main body support part (50) is formed to support the fastening body (10) by being joined to a pair of side plates (13), an upper plate (11) and a lower plate (12) on the other side where a pair of support slots (21, 22) are not formed on one side where a support slot (20) is formed, and a part of the flange (3) is inserted into the pair of support slots (21, 22).
[0048] The main body support part (50) can generate an upper and lower load centered on a pair of support slots (21, 22) with a part of the flange (3) inserted into a pair of support slots (21, 22). In response to this, the main body support part (50) connects the upper plate (11) and the lower plate (12) so that the supporting capacity of the fastening body (10) for the upper and lower load can be improved.
[0049] Figure 6 is an example of a slot support member (14, 15).
[0050] The first slot support member (14) is formed in a plate shape and connects the metal plate frame of the fastening body (10) on the side where a pair of support slots (21, 22) are formed to support the first support slot (21) and the second support slot (22) from above and below.
[0051] The second slot support member (15) is formed by connecting the first support slot (21) and the second support slot (22) so that the flange (3) can be accommodated by making surface contact.
[0052] The support capacity of the first support slot (21) and the second support slot (22) can be improved due to the first slot support member (14) and the second slot support member (15).
[0053] Figure 7 is an example operation diagram of a biting support member (60).
[0054] The biting support member (60) is composed of a rotating connection member (61) coupled to the upper plate (11) and lower plate (12) of the fastening body (10) and a biting rod (62) coupled to the rotating connection member (61) and rotated.
[0055] Fig. 7 (a) Two rotating connecting parts (61) are connected to the upper plate (11) and the lower plate (12), and the biting bar (62) is positioned downward and upward to the right. A flange (3) is inserted and installed in the support slot (20).
[0056] Fig. 7 (b) When the flange (3) is inserted and installed in the support slot (20), the worker pushes the biting bar (62) toward the flange (3) so that the end area of the biting bar (62) is bitten and connected to the upper and lower surfaces of the flange (3).
[0057] By this, the flange (3) inserted into the support slot (20) is fixed, and the support force of the fastening body (10) can be improved.
[0058] Figure 8 is an example of installation of a reinforcing member (70).
[0059] The reinforcing member (70) includes a member body (71) having a shape corresponding to the shape of the inside of the fastening body (10) when the flange (3) is inserted into the support slot (20) and a biting slot (72) capable of accommodating the support slot (20).
[0060] Fig. 8 (a) A flange (3) is inserted into a support slot (20) and a reinforcing member (70) is placed on the right side.
[0061] Fig. 8 (b) When the flange (3) is inserted into the support slot (20), the worker inserts the reinforcing member (70) into the inside of the fastening body (10) so that the flange (3) is accommodated in the biting slot (72) and installed.
[0062] The supporting force of the fastening body (10) can be improved by inserting a reinforcing member (70) into the inside of the fastening body (10).
[0063] Describes embodiments that can be modified other than the above embodiments.
[0064] The support slot may have a shape that becomes narrower as it sinks in.
[0065] The fastening body (10) may further include a reinforcing portion connecting the middle of the opposing side plates (13).
[0066] It is preferable that the thickness of the side plate (13) of the fastening body (10) be formed at least thicker than the thickness of the upper plate (11) and the lower plate (12).
[0067] The side plate (13) of the fastening body (10) can be formed so that the central area is at least thicker than the thickness of the top and bottom.
[0068] Due to the above formwork and the formwork fastening device (1) for supporting it, the protruding catch is caught on the external catch while the pair of support slots accommodate the flange at the bottom of the formwork, so that even when the load applied to the bottom of the formwork increases, the connection is prevented from being released, thereby improving the stability of the bottom of the formwork.
[0069] In addition, it is possible to prevent the engagement from being released when the protruding engagement part is caught on the external engagement jaw, and to prevent the supporting force of the fastening body from being weakened.
[0070] In addition, it can be easily inserted into an external catch, and the support force of the main body support part can be added to the support force of the fastening body, so the stability of the bottom of the formwork can be further improved.
[0071] 1: Formwork and formwork fastening device for supporting it
[0072] 2: Formwork
[0073] 3: Flange 4: Bottom plate
[0074] 5: Floor formwork for making gutters
[0075] 10: Fastening body 11: Top plate
[0076] 12: Bottom plate 13: Side plate
[0077] 20: Support slot 21: 1st support slot
[0078] 22: Second support slot
[0079] 30: Protruding catch
[0080] 40: Anti-jamming part
[0081] 50: Main body support
Claims
1. In the formwork and the formwork fastening device for supporting the formwork bottom, which is installed on the flange at the bottom of the formwork, A fastening body formed by forming a metal plate in a circular shape with a predetermined width; A pair of support slots formed so that a part of the flange is inserted from one area of the edge of the metal plate of the above-mentioned fastening body and the other area opposite to it; and A formwork and a formwork fastening device for supporting the same, characterized in that it includes a protruding hook formed from the edge area of the metal plate of the fastening body on the side where the pair of support slots are formed and hooked to an external hook.
2. In paragraph 1, A formwork and a formwork fastening device for supporting the same, characterized in that it further includes a catch release prevention part formed by bending from the protruding end area of the protruding catch part toward the edge of the metal plate of the fastening body on the side where the pair of support slots are formed.
3. In paragraph 1, A formwork and a formwork fastening device for supporting the same, characterized in that the length of the pair of support slots is at most 50% of the length between the edges on both sides of the fastening body metal plate.
4. In paragraph 1, A formwork and a formwork fastening device for supporting the formwork, characterized in that the protruding portion has a cross-sectional shape that becomes narrower as it protrudes.
5. In paragraph 1, The above-mentioned fastening body is composed of an upper plate, a lower plate opposite the upper plate, and a pair of side plates connecting the upper plate and the lower plate and forming the pair of support slots. A formwork and a formwork fastening device for supporting the same, characterized in that it further includes a main body support part that supports the fastening body in a state where a part of the flange is inserted into the pair of support slots by being joined to the pair of side plates, the upper plate, and the lower plate on the side where the pair of support slots are not formed.
Citation Information
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