Locking structure for pouring formwork

The proposed locking structure for driving formwork simplifies assembly and disassembly through symmetrically arranged rods and positioning assemblies, improving efficiency and usability.

JP3249753UActive Publication Date: 2025-01-10SOUTH CHINA MUNICIPAL CONSTR CO LTD OF SHANGHAI CIVIL ENG CO LTD OF CREC +1
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Patent Information

Application Number
JP2024003717U
Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-01-10
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Conventional driving formwork locking mechanisms using pull rods and bolts are cumbersome and inefficient, requiring multiple steps for assembly and disassembly.

Method used

A locking structure for driving formwork comprising two sets of formwork bodies with symmetrically arranged side and cross rods, utilizing a movable block, positioning grooves, telescopic springs, and positioning assemblies for easy assembly and disassembly.

Benefits of technology

Facilitates quick and reliable locking and removal of formwork bodies, enhancing convenience and practicality by allowing repeated use without complex manual operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a locking structure for a casting formwork, which allows a formwork body to be easily locked and easily removed for repeated use. [Solution] A number of side rods are symmetrically provided on both sides of one of the two sets of formwork bodies 1, and a number of cross rods 102 are provided on both sides of the other set, a connecting groove is drilled on one side of the two side rods of each set, a fixed rod is fixed to one end of the two cross rods of each set, a fixed block is fixed to one end of the fixed rod remote from the cross rod, a movable block is slidably connected to the outside of the fixed rod, a positioning block is symmetrically attached to one side of the movable block close to the side rod, a number of positioning grooves are symmetrically opened on both sides located at the connecting groove of the side rod, the positioning block is connected to engage with the positioning groove, and a fixed sleeve 107 is fixed to one side of the side rod remote from the connecting groove. The fitting of the cross rod and the side rod improves convenience and practicality.
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Description

[Technical field]

[0001] The present invention relates to the technical field of casting formwork, and more particularly to a locking structure for casting formwork. [Background technology]

[0002] In construction work, when driving columns into the building, it is necessary to carry out work on the casting formwork in advance and to guarantee the quality of the columns being cast into the casting formwork.

[0003] Currently, when locking a casting formwork, the casting formwork is mainly locked by surrounding it with a pull rod and a bolt that fit together. The pull rod is usually fixed by a bolt, which makes it inconvenient to lock it to the casting formwork, and then, when removing the casting formwork, the bolt must be removed, which makes it troublesome to lock and remove the casting formwork.

[0004] Here, we propose a locking structure for a casting formwork to solve the above problems. Summary of the Invention [Means for solving the problem]

[0005] The purpose of this invention is to propose a locking structure for cast-in-place formwork to solve the problem in the prior art that, currently, when locking a cast-in-place formwork, the formwork is mainly locked by surrounding it with a pull rod and a bolt that fit together. The pull rod is usually fixed by a bolt, which makes it inconvenient to lock the cast-in-place formwork, and then, when removing the cast-in-place formwork, the bolt must be removed, making it troublesome to lock and remove the cast-in-place formwork.

[0006] In order to achieve the above object, the present invention provides a locking structure for a casting formwork, comprising: two sets of formwork bodies; A plurality of side rods are symmetrically provided on both sides of the two sets of formwork bodies, and a plurality of cross rods are provided on both sides of the other of the two sets of formwork bodies; and A connecting groove is drilled on one side of the two side rods of each set, a fixed rod is fixedly attached to one end of the two cross rods of each set, a fixed block is fixedly attached to one end of the fixed rod remote from the cross rod, a movable block is slidably connected to the outside of the fixed rod, a positioning block is symmetrically attached to one side of the movable block close to the side rod, a plurality of positioning grooves are symmetrically opened on both sides of the side rod located at the connecting groove, the positioning block is connected to engage with the positioning groove, a fixed sleeve is fixedly attached to one side of the side rod remote from the connecting groove, the cross rod is slidably connected to the fixed sleeve, and a positioning assembly is provided on one side of the fixed sleeve; the positioning assembly includes a stationary frame fixedly mounted at the stationary sleeve and to one side remote from the side rod, the stationary frame having a positioning rod slidably connected therein, and the positioning rod and the stationary sleeve slidably connected thereto; A plurality of positioning holes are formed on one side of the cross rod, and the positioning rods are connected to the positioning holes so as to engage with each other.

[0007] An expansion spring is fitted onto one side of the positioning rod, one end of the expansion spring is fixedly connected to the fixed sleeve, the other end of the expansion spring is fixedly connected to the connection block, the connection block is fixedly connected to the positioning rod, and one end of the positioning rod away from the fixed sleeve is fixedly connected to the mounting frame.

[0008] An attachment groove is provided in the positioning rod on one side close to the connection block, and position limiting rods are symmetrically connected to the attachment groove on both sides of the positioning rod so that they can slide symmetrically. A return spring is fitted on one side of each of the two position limiting rods, and one end of the return spring is fixedly connected to the positioning rod. A fixing ring is fixedly attached to the other end of the return spring, and the fixing ring is fixedly connected to the position limiting rod.

[0009] Within the fixed frame, a first position limiting groove is provided on one side of each of the two position limiting rods, and within the fixed frame, a second position limiting groove is provided on one side of each of the two first position limiting grooves, and the position limiting rods are connected so that the first position limiting groove and the second position limiting groove engage with each other.

[0010] A guide rod is fixedly attached to one side of the mounting groove, and a position limiting block is fixedly attached to each of the two position limiting rods on the side closest to the guide rod, and the position limiting block is slidably connected to the guide rod.

[0011] A sliding rod is slidably connected within the positioning rod, and the sliding rod is slidably connected to the mounting frame, and one end of the sliding rod is symmetrically hinged to the connecting rod, and one end of the connecting rod remote from the sliding rod is hinged to the position limiting rod.

[0012] A movable plate is fixedly attached to the other end of the sliding rod and is slidingly connected to the mounting frame, and a handle is fixedly attached to the movable plate on one side remote from the fixed frame. Effect of the Invention

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the locking structure of the pouring formwork is provided with two sets of side rods and cross rods outside the two sets of formwork bodies, and the formwork bodies can be easily locked by fitting the cross rods and side rods together, and can be easily removed later and used repeatedly, improving convenience and practicality. The specific details are as follows: 1. When locking the two sets of formwork bodies, insert the fixed rod at one end of the side rod into the connecting groove, rotate the movable block, and after the movable block rotates, it will be misaligned with the connecting groove. Then, the corresponding positioning block will be engaged with the positioning groove according to the side length of the formwork body, and then the mounting frame will be pulled to move the positioning rod. After the positioning rod moves, the expansion spring can be pulled, and the fixed sleeve will be pushed outside the side rod, and the fixed sleeve will be moved according to the horizontal length of the formwork body. After the two side rods are pasted onto the formwork bodies on both sides, the positioning rod will be moved to the corresponding position. Align with the positioning hole, loosen the mounting frame and return the positioning rod to engage with the positioning hole, the positioning side rod and the two side rods surround the outside of the two sets of formwork bodies, and the formwork body can be locked. During the removal process, the mounting frame can be pulled to detach the positioning rod and the positioning hole, so that the two fixing sleeves and side rods can lose their limiting position, and the side rods and cross rods can be removed. The cooperation of the cross rods and side rods makes it easy to lock the formwork body, and easy to remove at the later stage, and can be used repeatedly, improving convenience and practicality.

[0014] When positioning the cross rod and the side rod, the mounting frame is pulled and moved at the same time, the handle is pulled and moved, the handle moves the sliding rod, the sliding rod is moved and then the connecting rod is pulled and rotated, the connecting rod is rotated and then the position limiting rod is pulled and moved, the position limiting block is slid on the guide rod after the position limiting rod is moved, and the movement of the position limiting rod can compress the return spring through the fixed ring, so that the position limiting rod is disengaged from the first position limiting groove, the position limiting rod and the second position limiting groove are reset after the positioning rod is moved, and then the handle is loosened and the position limiting rod is returned to engage with the second position limiting groove using the return spring, so that the positioning rod can be positioned so that the subsequent positioning is easy, and the employee does not continue to pull the mounting frame during the installation and removal process and does not return even if the positioning rod is held, which increases convenience, and after the positioning rod is reset, the position limiting rod is engaged with the first position limiting groove, so that the positioning rod is not easily moved, and the reliability of the connection between the side rod and the cross rod can be increased. [Brief description of the drawings]

[0015] [Figure 1] FIG. 2 is a schematic front view of the present invention; [Diagram 2] FIG. 2 is a schematic plan view of the present invention; [Diagram 3] FIG. 2 is a schematic side view of a side rod according to the present invention; [Figure 4] 1 is a schematic cross-sectional plan view of a positioning assembly according to the present invention; [Diagram 5] 1 is a schematic diagram of the positioning rod movement structure of the present invention; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, and are not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present invention.

[0017] 1 to 5, the present invention provides a locking structure for a casting formwork, which includes two sets of formwork bodies 1, a plurality of side rods 101 are symmetrically provided on both sides of the two sets of formwork bodies 1, and a plurality of cross rods 102 are provided on both sides of the other side of the two sets of formwork bodies 1, and each set of the two side rods 101 has a connecting groove 103 drilled on one side, and a fixed rod 104 is fixedly attached to one end of each set of the two cross rods 102, and a fixed block 105 is fixedly attached to one end of the fixed rod 104 and away from the cross rod 102, and a movable block 106 is slidably connected to the outside of the fixed rod 104, and a positioning block 106 is symmetrically attached to one side of the movable block 106 close to the side rod 101, and is located on the side rod 101 and in the connecting groove 103. A plurality of positioning grooves 109 are symmetrically opened on both sides of the side rod 101, the positioning block 108 is connected to engage with the positioning groove 109, a fixed sleeve 107 is fixedly attached to one side of the side rod 101 remote from the connecting groove 103, a cross rod 102 is slidably connected to the fixed sleeve 107, and a positioning assembly 2 is provided on one side of the fixed sleeve 107, the positioning assembly 2 includes a fixed frame 201 fixedly attached to one side of the fixed sleeve 107 remote from the side rod 101, a positioning rod 202 is slidably connected within the fixed frame 201, the positioning rod 202 and the fixed sleeve 107 are slidably connected, and a plurality of positioning holes 204 are opened on one side of the cross rod 102, and the positioning rod 202 and the positioning hole 204 are connected to engage with each other. The formwork body 1 can be easily locked and easily removed in a later stage, and can be used repeatedly, improving convenience and practicality.

[0018] An expansion spring 205 is fitted on one side of the outside of the positioning rod 202, one end of the expansion spring 205 is fixedly connected to the fixed sleeve 107, the other end of the expansion spring 205 is fixedly connected to a connection block 206, the connection block 206 is fixedly connected to the positioning rod 202, and one end of the positioning rod 202 away from the fixed sleeve 107 is fixedly connected to a mounting frame 203, so that the positioning rod 202 can automatically reset after it has moved. An attachment groove 207 is provided in the positioning rod 202 on one side close to the connecting block 206, and position limiting rods 209 are symmetrically connected to the attachment groove 207 on both sides of the positioning rod 202 so that they can slide symmetrically. A return spring 210 is fitted on one side of each of the two position limiting rods 202, and one end of the return spring 210 is fixedly connected to the positioning rod 202. A fixed ring 211 is fixedly attached to the other end of the return spring 210, and the fixed ring 211 is fixedly connected to the position limiting rod 209, so that the position limiting rod 209 can be automatically reset after it is moved. A first position limiting groove 212 is provided on each side of the fixed frame 201 where the two position limiting rods 209 are located, and a second position limiting groove 213 is provided on each side of the fixed frame 201 where the two first position limiting grooves 212 are located, and the position limiting rod 209 is connected so that the first position limiting groove 212 and the second position limiting groove 213 engage with each other, thereby enabling the positioning rod 202 to be positioned. A guide rod 215 is fixedly attached to one side of the mounting groove 207, and a position limiting block 216 is fixedly attached to each side of the two position limiting rods 209 close to the guide rod 215, and the position limiting block 216 is slidably connected to the guide rod 215, thereby enabling the position of the movement of the position limiting rod 209 to be limited.A sliding rod 208 is slidably connected within the positioning rod 202, and the sliding rod 208 is slidably connected to the mounting frame 203, and one end of the sliding rod 208 is symmetrically hinged to the connecting rod 214, and one end of the connecting rod 214 remote from the sliding rod 208 is hinged to the position limiting rod 209, so that the sliding rod 208 can move the position limiting rod 209. A movable plate 217 is fixedly attached to the other end of the sliding rod 208, and the movable plate 217 is slidably connected to the mounting frame 203, and a handle 218 is fixedly attached to the movable plate 217 on one side remote from the fixed frame 201, so as to facilitate the movement of the sliding rod 208.

[0019] The operating principle is as follows. Before using the locking structure of the pouring formwork, the whole device must first be inspected to ensure that it can operate normally. As shown in Figures 1 to 5, when locking two sets of formwork bodies 1, the fixed rod 104 at one end of the side rod 102 is inserted into the connecting groove 103, the movable block 106 is rotated, and the movable block 106 is misaligned with the connecting groove 103 after rotation. The corresponding positioning block 108 is engaged with the positioning groove 109 according to the side length of the formwork body 1, and then the mounting frame 203 is pulled to move the positioning rod 202. After the positioning rod 202 is moved, the return spring 205 can be pulled, and the fixed sleeve 107 is pushed out of the side rod 102, and the fixed sleeve 107 is moved according to the horizontal length of the formwork body 1, and the two side After the rods 101 are attached to the formwork bodies 1 on both sides, the positioning rods 202 are aligned with the corresponding positioning holes 204, the mounting frame 203 is loosened to allow the positioning rods 202 to return and engage with the positioning holes 204, the positioning side rods 201 and the two cross rods 102 surround the outside of the two sets of formwork bodies 1, which can lock the formwork body 1; during the removal process, the mounting frame 203 can be pulled to release the positioning rods 202 and the positioning holes 204, so that the two fixing sleeves 107 and the side rods 101 can lose their restricted position, and the side rods 101 and the cross rods 102 can be removed. The cooperation of the cross rods 102 and the side rods 101 makes it easy to lock the formwork body 1, which is easy to remove later, and can be used repeatedly, which improves convenience and practicality.

[0020] When positioning the cross rod 102 and the side rod 101, the mounting frame 203 is pulled and moved, and the handle 218 is pulled and moved at the same time, and the handle 218 moves the sliding rod 208, and after the sliding rod 208 is moved, the connecting rod 214 is pulled and rotated, and after the connecting rod 214 is rotated, the position limiting rod 209 is pulled and moved, and after the position limiting rod 209 is moved, the position limiting block 216 slides on the guide rod 215, and the movement of the position limiting rod 209 can compress the return spring 210 through the fixing ring 211, and the position limiting rod 209 is released from the first position limiting groove 212, and after the positioning rod 202 is moved, the position limiting rod 209 and The second position limiting groove 213 is reset, and then the handle 218 is loosened to return the position limiting rod 209 to engage with the second position limiting groove 213 using the return spring 210, so that the positioning rod 202 can be easily positioned thereafter, and the positioning rod 202 can be held without the employee continuing to pull the mounting frame 203 during the installation and removal process without returning, which increases convenience, and after the positioning rod 202 is reset, the position limiting rod 202 can be engaged with the first position limiting groove, so that the positioning rod 202 will not easily move, and the reliability of the connection between the side rod 101 and the cross rod 102 can be increased.

[0021] Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may modify the technical solutions described in the above embodiments or equivalently replace some of the technical features thereof, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. [Explanation of symbols]

[0022] 1, formwork body; 101, side rod; 102, cross rod; 103, connecting groove; 104, fixed rod; 105, fixed block; 106, movable block; 107, fixed sleeve; 108, positioning block; 109, positioning groove; 2, positioning assembly; 201, fixed frame; 202, positioning rod; 203, mounting frame; 204, positioning hole; 205, return spring; 206, connecting block; 207, mounting groove; 208, sliding rod; 209, position limiting rod; 210, return spring; 211, fixing ring; 212, first position limiting groove; 213, second position limiting groove; 214, connecting rod; 215, guide rod; 216, position limiting block; 217, movable plate; 218, handle.

Claims

1. A locking structure for a casting formwork includes two sets of formwork bodies (1), a plurality of side rods (101) are symmetrically provided on both sides of the two sets of formwork bodies (1), and a plurality of cross rods (102) are provided on both sides of the other of the two sets of formwork bodies (1), A connecting groove (103) is drilled on one side of the two side rods (101) of each set, and a fixed rod (104) is fixedly attached to one end of the two cross rods (102) of each set. A fixed block (105) is fixedly attached to one end of the fixed rod (104) remote from the cross rod (102). A movable block (106) is slidably connected to the outside of the fixed rod (104). A positioning block (108) is fixed to one end of the movable block (106) close to the side rod (101). ) are symmetrically mounted, a plurality of positioning grooves (109) are symmetrically opened on both sides of the side rod (101) located at the connecting groove (103), a positioning block (108) is connected to engage with the positioning groove (109), a fixed sleeve (107) is fixedly mounted on one side of the side rod (101) away from the connecting groove (103), a cross rod (102) is slidably connected to the fixed sleeve (107), and a positioning assembly (2) is provided on one side of the fixed sleeve (107); The positioning assembly (2) includes a fixed frame (201) fixedly mounted on the fixed sleeve (107) and on one side remote from the side rod (101), a positioning rod (202) slidably connected within the fixed frame (201) and a positioning rod (202) slidably connected to the fixed sleeve (107); A locking structure for a cast-in formwork, characterized in that a plurality of positioning holes (204) are opened on one side of the cross rod (102), and the positioning rods (202) and the positioning holes (204) are connected so as to engage with each other.

2. 2. The locking structure for a cast-in-place formwork according to claim 1, characterized in that a return spring (205) is fitted to one side of the positioning rod (202), one end of the return spring (205) is fixedly connected to the fixing sleeve (107), the other end of the return spring (205) is fixedly connected to a connection block (206), the connection block (206) is fixedly connected to the positioning rod (202), and one end of the positioning rod (202) remote from the fixing sleeve (107) is fixedly connected to the mounting frame (203).

3. 3. The locking structure for a cast formwork according to claim 2, characterized in that the positioning rod (202) has an attachment groove (207) on one side close to the connecting block (206), position limiting rods (209) are symmetrically connected to the positioning rod (202) on both sides located in the attachment groove (207) so as to be slidable therein, and a return spring (210) is fitted on one side of each of the two position limiting rods (209), one end of the return spring (210) is fixedly connected to the positioning rod (202), and a fixing ring (211) is fixedly attached to the other end of the return spring (210), and the fixing ring (211) is fixedly connected to the position limiting rod (209).

4. 4. The locking structure for a castable formwork according to claim 3, characterized in that a first position limiting groove (212) is provided on one side of the fixing frame (201) where the two position limiting rods (209) are located, a second position limiting groove (213) is provided on one side of the fixing frame (201) where the two first position limiting grooves (212) are located, and the position limiting rods (209) are connected so that the first position limiting groove (212) and the second position limiting groove (213) engage with each other.

5. 4. The locking structure for a cast formwork according to claim 3, characterized in that a guide rod (215) is fixedly attached to one side of the mounting groove (207), and a position limiting block (216) is fixedly attached to each of the two position limiting rods (209) on one side close to the guide rod (215), and the position limiting block (216) is slidably connected to the guide rod (215).

6. 4. The locking structure for a casting formwork according to claim 3, characterized in that a sliding rod (208) is slidably connected within the positioning rod (202) and the sliding rod (208) is slidably connected to the mounting frame (203) and is hinged at one end to a connecting rod (214) symmetrically and at one end of the connecting rod (214) remote from the sliding rod (208) is hinged to a position limiting rod (209).

7. 7. The locking structure for a casting formwork according to claim 6, characterized in that a movable plate (217) is fixedly attached to the other end of the sliding rod (208) and the movable plate (217) is slidingly connected to the mounting frame (203), and a handle (218) is fixedly attached to the movable plate (217) on one side away from the fixed frame (201).