Embedded bolt for constructional engineering

By designing embedded bolts for components such as casing, plug-in rod, placement plate and connecting rod, the problems of low working efficiency and poor stability caused by nail assisted fixing are solved, and efficient and stable formwork fixing and simple disassembly are achieved.

CN223257286UActive Publication Date: 2025-08-22CHINA SILK ROAD CONSTR INVESTMENT GRP CO LTD
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Patent Information

Application Number
CN202422652099.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-08-22
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In construction projects, during the pre-embedding of existing bolts, nail assisted fixation leads to low working efficiency, affecting the flatness of concrete, and reducing the stability of embedded bolts.

Method used

An embedded bolt including a sleeve, a plug rod, a placement plate, an L rod, a connecting rod and a fixing mechanism is designed. Through sliding plug and threaded connection, combined with a limit sleeve and a limit hole, the stable fixation and convenient disassembly of the template are achieved.

Benefits of technology

It improves the stability and working efficiency of embedded bolts, reduces the impact on concrete flatness, and simplifies the subsequent disassembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embedded bolt for the constructional engineering comprises a sleeve, the upper end of the sleeve is connected with an inserting rod, the sleeve is connected with the inserting rod in a sliding and inserting mode, a placing plate is movably arranged on the upper surface of the inserting rod, the upper surface of the placing plate is fixedly connected with an L-shaped rod, a fixing mechanism for fixing the inserting rod is arranged on the sleeve, and the L-shaped rod is fixedly connected with the inserting rod. The lower end of the sleeve is connected with a connecting rod, one end of the connecting rod is in threaded connection with the sleeve through threads, a limiting sleeve is arranged on the outer side of the connecting rod and located below the sleeve in a sleeving mode, limiting mechanisms are arranged on the left inner wall and the right inner wall of the limiting sleeve correspondingly, and limiting holes connected with the limiting mechanisms in a matched mode are formed in the connecting rod; one end of the connecting rod penetrates through the building formwork and is connected with a connecting plate, and the building formwork connecting device has the advantages of being high in practicability and convenient to fix and disassemble subsequently.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a pre-buried bolt for construction engineering. Background Art

[0002] In the installation of construction projects, in order to carry out subsequent connection and assembly, bolts are generally embedded before pouring concrete. Nowadays, bolts are generally made by punching holes in templates, and then placing pull rods and embedded bolts in them. When embedding, it is generally necessary to use auxiliary fixing methods such as nails first, but the nails themselves also need to be leveled and polished later, which greatly reduces work efficiency and has a very bad effect on the flatness of the concrete itself. However, at this stage, if this method is not adopted, the embedding effect will be affected, and the stability of the embedded bolts themselves will be greatly reduced.

[0003] Therefore, it is necessary to design a kind of embedded bolt for construction engineering with strong practicality. Utility Model Content

[0004] The purpose of the utility model is to provide a pre-buried bolt for construction engineering to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a pre-buried bolt for construction engineering, comprising a sleeve, the upper end of the sleeve is connected to a plug-in rod, the sleeve and the plug-in rod are slidably plugged in, the upper surface of the plug-in rod is movably provided with a placement plate, the upper surface of the placement plate is fixedly connected to an L rod, the sleeve is provided with a fixing mechanism for fixing the plug-in rod, the lower end of the sleeve is connected to a connecting rod, one end of the connecting rod is threadedly connected to the sleeve by a thread, a limiting sleeve is provided on the outside of the connecting rod and below the sleeve, limiting mechanisms are provided on the left and right inner walls of the limiting sleeve, a limiting hole is provided on the connecting rod that cooperates with the limiting mechanism, one end of the connecting rod passes through the building template and is connected to the connecting plate.

[0006] According to the above technical solution, plug-in boards are fixedly connected to the left and right positions of the lower surface of the placement plate, and the upper surface of the sleeve is provided with a plug-in groove for plugging the plug-in board.

[0007] According to the above technical solution, the fixing mechanism includes a fixing plate, and threaded rods are fixedly connected at the upper and lower positions on the right side of the fixing plate. The sleeve and the plug-in rod are respectively provided with a first through hole and a second through hole for the threaded rod to pass through, and a fixing nut is threadedly sleeved on one end of the threaded rod.

[0008] According to the above technical solution, the limit mechanism includes a fixed block, the fixed block is fixedly connected to the inner wall of the limit sleeve, the fixed block is provided with a sliding groove, the sliding groove is provided with a movable plate, one side of the movable plate is fixedly connected to one end of a spring, the other end of the spring is fixedly connected to the inner wall of the sliding groove, the other side of the movable plate is fixedly connected to the limit rod, one end of the limit rod extends out of the fixed block, the limit rod is plugged into the limiting hole, the lower surface of the movable plate is fixedly connected to one end of a toggle rod, the other end of the toggle rod extends out of the fixed block and is fixedly connected to the toggle plate, and the lower surface of the fixed block is provided with a toggle groove for moving the toggle rod.

[0009] According to the above technical solution, a slot is provided on the upper surface of the connecting plate, one end of the connecting rod is inserted into the slot, a mounting groove is provided on the lower surface of the connecting plate, a mounting bolt is provided in the mounting groove, one end of the mounting bolt extends into the slot, and a threaded groove is provided on the lower surface of the connecting rod for use with the mounting bolt.

[0010] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention can realize the connection and fixation of the sleeve and the plug-in rod through the cooperation of the sleeve, the plug-in rod, the placement plate, the L-rod and the fixing mechanism, and then realize the fixation of the L-rod. At the same time, the connecting rod can be connected to the sleeve through a thread. Through the setting of the limiting sleeve, the limiting mechanism and the limiting hole, the limiting sleeve can be fixed on the connecting rod. And through the cooperation with the connecting plate, the slot, the mounting groove, the mounting bolt and the threaded groove, the building template can be fixed between the limiting sleeve and the connecting plate, and the subsequent disassembly is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0013] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0015] Figure 4 yes Figure 2 A schematic diagram of the enlarged structure of the middle part B;

[0016] Figure 5 yes Figure 2 Schematic diagram of the enlarged structure of the middle C part;

[0017] Figure 6 yes Figure 2 The enlarged structural diagram of the middle D part;

[0018] Figure 7 It is a partial structural diagram of the utility model;

[0019] Figure 8 This is a schematic diagram of the connection structure of the plug-in rod of the utility model;

[0020] Figure 9 This is a schematic diagram of the connection structure of the connecting rod of the utility model;

[0021] Figure 10 This is a schematic diagram of the connection structure of the fixed plate of the utility model;

[0022] In the figure: 1-sleeve, 2-plug-in rod, 3-placing plate, 4-L rod, 5-connecting rod, 6-limiting sleeve, 7-limiting hole, 8-building template, 9-connecting plate, 10-plug-in plate, 11-plug-in slot, 12-fixing plate, 13-threaded rod, 14-first through hole, 15-second through hole, 16-fixing nut, 17-fixing block, 18-sliding slot, 19-moving plate, 20-spring, 21-limiting rod, 22-toggle rod, 23-toggle plate, 24-toggle slot, 25-slot, 26-mounting slot, 27-mounting bolt, 28-threaded slot. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-10The utility model provides a technical solution: a pre-buried bolt for construction engineering, comprising a sleeve 1, the upper end of the sleeve 1 is connected to a plug-in rod 2, the sleeve 1 and the plug-in rod 2 are slidably plugged, the upper surface of the plug-in rod 2 is movably provided with a placement plate 3, the upper surface of the placement plate 3 is fixedly connected with an L rod 4, the sleeve 1 is provided with a fixing mechanism for fixing the plug-in rod 2, the lower end of the sleeve 1 is connected to a connecting rod 5, one end of the connecting rod 5 is threadedly connected to the sleeve 1 through a thread, and the sleeve 1 and the plug-in rod 2 can be connected and fixed by cooperating with the sleeve 1, the plug-in rod 2, the placement plate 3, the L rod 4, the connecting rod 5 and the fixing mechanism, thereby achieving the fixation of the sleeve 1 and the plug-in rod 2, and thus achieving the fixation of the L rod 4. The connecting rod 5 is fixed, and the connection with the sleeve 1 can be realized by a thread. The outer side of the connecting rod 5 and the lower side of the sleeve 1 are provided with a limiting sleeve 6. The left and right inner walls of the limiting sleeve 6 are provided with a limiting mechanism. The connecting rod 5 is provided with a limiting hole 7 that is connected with the limiting mechanism. One end of the connecting rod 5 passes through the building template 8 and is connected with the connecting plate 9. By setting the limiting sleeve 6, the limiting mechanism and the limiting hole 7, the limiting sleeve 6 can be fixed on the connecting rod 5, and by cooperating with the connecting plate 9, the slot 25, the mounting slot 26, the mounting bolt 27 and the threaded groove 28, the building template 8 can be fixed between the limiting sleeve 6 and the connecting plate 9, and the subsequent disassembly is convenient.

[0025] The left and right positions of the lower surface of the placement plate 3 are fixedly connected with plug-in plates 10, and the upper surface of the sleeve 1 is provided with a plug-in slot 11 for the plug-in plate 10 to be plugged in. The position of the placement plate 3 can be limited by the arrangement of the plug-in plate 10 and the plug-in slot 11;

[0026] The fixing mechanism includes a fixing plate 12, and threaded rods 13 are fixedly connected at the upper and lower positions on the right side of the fixing plate 12. The sleeve 1 and the plug rod 2 are respectively provided with a first through hole 14 and a second through hole 15 for the threaded rod 13 to pass through. One end of the threaded rod 13 is threadedly sleeved with a fixing nut 16. Through the cooperation between the fixing plate 12, the threaded rod 13, the first through hole 14, the second through hole 15 and the fixing nut 16 in the fixing mechanism, the plug rod 2 can be fixed;

[0027] The limiting mechanism includes a fixed block 17, which is fixedly connected to the inner wall of the limiting sleeve 6, a sliding groove 18 is provided in the fixed block 17, and a movable plate 19 is slidably provided in the sliding groove 18. One side of the movable plate 19 is fixedly connected to one end of a spring 20, and the other end of the spring 20 is fixedly connected to the inner wall of the sliding groove 18. The other side of the movable plate 19 is fixedly connected to a limiting rod 21, one end of the limiting rod 21 extends out of the fixed block 17, and the limiting rod 21 is plugged into the limiting hole 7. The lower surface of the movable plate 19 is fixedly connected to one end of a toggle rod 22, and the other end of the toggle rod 22 is fixedly connected to the fixed block 17. One end extends out of the fixed block 17 and is fixedly connected to a toggle plate 23. The lower surface of the fixed block 17 is provided with a toggle groove 24 for the toggle rod 22 to move. Through the setting of the limiting mechanism, when the limit sleeve 6 is fixed, the toggle plate 23 can be toggled, and the toggle plate 23 drives the movable plate 19 to move in the sliding groove 18 through the toggle rod 22, so that the spring 20 contracts and produces elastic deformation, and then the limit sleeve 6 is sleeved on the connecting rod 5, and then the toggle plate 23 is loosened, so that the spring 20 recovers its elastic deformation, and the limit sleeve 6 can be fixed by the cooperation of the limit rod 21 and the limit hole 7. Similarly, the limit sleeve 6 is easy to disassemble when needed;

[0028] The upper surface of the connecting plate 9 is provided with a slot 25, one end of the connecting rod 5 is inserted into the slot 25, the lower surface of the connecting plate 9 is provided with a mounting groove 26, a mounting bolt 27 is provided in the mounting groove 26, one end of the mounting bolt 27 extends into the slot 25, and the lower surface of the connecting rod 5 is provided with a threaded groove 28 used in conjunction with the mounting bolt 27. By setting the connecting plate 9, the slot 25, the mounting groove 26, the mounting bolt 27 and the threaded groove 28, the fixing of the connecting plate 9 and the connecting rod 5 can be achieved.

[0029] Working principle: When the utility model is in use, the connection plate 9 and the connection rod 5 can be fixed by setting the connection plate 9, the slot 25, the installation slot 26, the installation bolt 27 and the threaded groove 28. Through the cooperation of the sleeve 1, the plug rod 2, the placement plate 3, the L rod 4, the connection rod 5 and the fixing mechanism, the threaded rod 13 in the fixing mechanism passes through the first through hole 14 and the second through hole 15, and through the cooperation with the fixing nut 16, the sleeve and the plug rod 2 can be fixed, and then the L rod 4 can be fixed. Then, the hole sleeve on the building template 8 is set on the connection rod 5. When the limit sleeve 6 is fixed on the connection rod 5, the toggle plate 23 can be toggled. The toggle plate 23 drives the movable plate 19 to move in the sliding groove 18 through the toggle rod 22, so that the spring 20 The limit sleeve 6 shrinks and produces elastic deformation, and then the limit sleeve 6 is placed on the connecting rod 5, and then the toggle plate 23 is loosened, so that the spring 20 restores the elastic deformation, and the limit sleeve 6 can be fixed by cooperating with the limit rod 21 and the limit hole 7, so that the building template 8 can be fixed between the limit sleeve 6 and the connecting plate 9. At the same time, the connecting rod 5 can be connected to the sleeve 1 through a thread to achieve an overall connection, and then the concrete is poured. After the concrete solidifies, when the building template 8 is removed and disassembled, the mounting bolt 27 in the mounting groove 26 can be screwed, and then the connecting plate 9 can be removed, thereby facilitating the disassembly of the building template 8. When the limit sleeve 6 is disassembled, the toggle plate 23 can be toggled to make the limit rod 21 disengage from the limit hole 7, thereby realizing the disassembly of the limit sleeve 6.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A pre-buried bolt for construction engineering, comprising a sleeve (1), characterized in that: The upper end of the sleeve (1) is connected to a plug rod (2), and the sleeve (1) and the plug rod (2) are slidably plugged. A placement plate (3) is movably provided on the upper surface of the plug rod (2), and an L rod (4) is fixedly connected to the upper surface of the placement plate (3). The sleeve (1) is provided with a fixing mechanism for fixing the plug rod (2). The lower end of the sleeve (1) is connected to a connecting rod (5), and one end of the connecting rod (5) is threadedly connected to the sleeve (1) through a thread. A limiting sleeve (6) is provided on the outer side of the connecting rod (5) and located below the sleeve (1). The left and right inner walls of the limiting sleeve (6) are both provided with limiting mechanisms. The connecting rod (5) is provided with a limiting hole (7) that is connected to the limiting mechanism. One end of the connecting rod (5) passes through the building template (8) and is connected to a connecting plate (9).

2. The embedded bolt for construction engineering according to claim 1, characterized in that: Plug-in boards (10) are fixedly connected at left and right positions on the lower surface of the placement plate (3), and the upper surface of the sleeve (1) is provided with plug-in slots (11) for plugging in the plug-in boards (10).

3. The embedded bolt for construction engineering according to claim 1, characterized in that: The fixing mechanism comprises a fixing plate (12), and threaded rods (13) are fixedly connected at upper and lower positions on the right side of the fixing plate (12). The sleeve (1) and the plug-in rod (2) are respectively provided with a first through hole (14) and a second through hole (15) for the threaded rod (13) to pass through, and one end of the threaded rod (13) is threadedly sleeved with a fixing nut (16).

4. The embedded bolt for construction engineering according to claim 1, characterized in that: The limiting mechanism comprises a fixed block (17), the fixed block (17) is fixedly connected to the inner wall of the limiting sleeve (6), a sliding groove (18) is provided in the fixed block (17), a movable plate (19) is slidably provided in the sliding groove (18), one side surface of the movable plate (19) is fixedly connected to one end of a spring (20), the other end of the spring (20) is fixedly connected to the inner wall of the sliding groove (18), the other side surface of the movable plate (19) is fixedly connected to a limiting rod (21), one end of the limiting rod (21) extends out of the fixed block (17), the limiting rod (21) is plugged into the limiting hole (7), one end of a toggle rod (22) is fixedly connected to the lower surface of the movable plate (19), the other end of the toggle rod (22) extends out of the fixed block (17) and is fixedly connected to a toggle plate (23), and the lower surface of the fixed block (17) is provided with a toggle groove (24) for the toggle rod (22) to move.

5. The embedded bolt for construction engineering according to claim 1, characterized in that: The upper surface of the connecting plate (9) is provided with a slot (25), one end of the connecting rod (5) is inserted into the slot (25), the lower surface of the connecting plate (9) is provided with a mounting slot (26), a mounting bolt (27) is provided in the mounting slot (26), one end of the mounting bolt (27) extends into the slot (25), and the lower surface of the connecting rod (5) is provided with a threaded groove (28) used in conjunction with the mounting bolt (27).