A pre-embedded bolt fixing device

Abstract

This utility model discloses a pre-embedded bolt fixing device, including a limiting frame plate. A pre-reserved groove is formed at the bottom of the limiting frame plate, and a positioning spring is fixedly connected to the inner cavity of the groove. A limiting pad is fixedly connected to the bottom of the positioning spring, and a bolt limiting hole is formed at the center of the bottom of the limiting pad. Second threaded holes are formed on both sides of the limiting frame plate, and a first limiting rod is threadedly connected to the inner cavity of each of the second threaded holes. A rotating plate is fixedly connected to the top of the first limiting rod. This utility model, through the positioning spring and limiting pad in the pre-reserved groove at the bottom of the limiting frame plate, in conjunction with the bolt limiting hole, can accurately position the pre-embedded bolt. The irregular groove in the bolt limiting hole engages with the top of the bolt, preventing the bolt from shifting or rotating during installation and ensuring the accuracy of the bolt installation position. The positioning spring can be elastically adjusted according to the bolt height to adapt to the installation requirements of bolts of different lengths, increasing the versatility of the device.

Description

Technical Field

[0001] This utility model relates to the field of embedded bolt technology, specifically to an embedded bolt fixing device. Background Technology

[0002] Embedded bolts are core connecting components for building structures and equipment installation, and their installation accuracy directly affects the stability of the subsequent structure and the safety of equipment operation.

[0003] However, existing fixing devices lack efficient limiting and fixing functions in actual use, which can cause the embedded bolts to shake during use and eventually loosen. To address this, we propose a pre-embedded bolt fixing device. Utility Model Content

[0004] The purpose of this utility model is to provide a pre-embedded bolt fixing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pre-embedded bolt fixing device, including a limiting frame plate, a reserved groove is provided at the bottom of the limiting frame plate, a positioning spring is fixedly connected to the inner cavity of the reserved groove, a limiting pad is fixedly connected to the bottom of the positioning spring, a bolt limiting hole is provided at the middle of the bottom of the limiting pad, second threaded holes are provided on both sides of the limiting frame plate, a first limiting rod is threadedly connected to the inner cavity of the second threaded hole, a rotating plate is fixedly connected to the top of the first limiting rod, and a first washer is threadedly connected to the lower end of the surface of the first limiting rod.

[0006] Preferably, a fixing block is fixedly connected to the upper end of the outer side of the limiting frame plate, and a first threaded hole is opened on the surface of the fixing block, the first threaded hole penetrating both sides of the limiting frame plate.

[0007] Preferably, a second limiting rod is movably connected to the inner cavity of the first threaded hole, and a limiting nut is threadedly connected to the surface of the second limiting rod.

[0008] Preferably, a second washer is movably connected to the right side of the second limiting rod, and a third washer is movably connected to the outer side of the second limiting rod.

[0009] Preferably, the inner cavity of the bolt limiting hole is provided with a non-standard groove, which engages with the top of the bolt.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This utility model utilizes a positioning spring and a limiting pad within a pre-reserved groove at the bottom of the limiting frame plate, in conjunction with bolt limiting holes, to precisely position pre-embedded bolts. The irregular groove within the bolt limiting hole engages with the top of the bolt, preventing displacement and rotation during installation and ensuring the accuracy of the bolt's installation position. The positioning spring can be elastically adjusted according to the bolt's height, accommodating the installation needs of bolts of different lengths and increasing the device's versatility.

[0012] 2. This utility model uses a first limiting rod that is threadedly connected to a limiting frame plate via a second threaded hole. Rotating the rotating plate allows the first limiting rod to move up and down, providing lateral limiting for the bolt. The first washer increases the friction between the first limiting rod and the limiting frame plate, preventing the first limiting rod from loosening and further enhancing the limiting effect. The second limiting rod passes through the first threaded hole and is fixed and adjusted by a limiting nut, a second washer, and a third washer. The second limiting rod can limit the bolt from another direction, forming a multi-dimensional limiting structure with the first limiting rod, improving the stability of the bolt fixation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the positioning spring structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the rotating plate structure of this utility model.

[0016] In the diagram: 1. Limiting frame plate; 2. First limiting rod; 3. First washer; 4. Second washer; 5. Second limiting rod; 6. Bolt limiting hole; 7. Limiting pad; 8. Reserved groove; 9. Limiting nut; 10. Fixing block; 11. Third washer; 12. First threaded hole; 13. Positioning spring; 14. Rotating plate; 15. Second threaded hole. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] The components of this application, namely 1. limiting frame plate; 2. first limiting rod; 3. first gasket; 4. second gasket; 5. second limiting rod; 6. bolt limiting hole; 7. limiting pad; 8. reserved groove; 9. limiting nut; 10. fixing block; 11. third gasket; 12. first threaded hole; 13. positioning spring; 14. rotating plate; and 15. second threaded hole, are all general standard parts or parts known to those skilled in the art. Their structure and principle can be obtained by those skilled in the art through technical manuals or conventional experimental methods.

[0019] Example 1:

[0020] Please see Figures 1-3 The following technical solution is provided, specifically disclosing: a pre-embedded bolt fixing device, including a limiting frame plate 1, a reserved groove 8 is provided at the bottom of the limiting frame plate 1, a positioning spring 13 is fixedly connected to the inner cavity of the reserved groove 8, a limiting pad 7 is fixedly connected to the bottom of the positioning spring 13, a bolt limiting hole 6 is provided at the middle of the bottom of the limiting pad 7, second threaded holes 15 are provided on both sides of the limiting frame plate 1, a first limiting rod 2 is threadedly connected to the inner cavity of the second threaded hole 15, a rotating plate 14 is fixedly connected to the top of the first limiting rod 2, and a first washer 3 is threadedly connected to the lower end of the surface of the first limiting rod 2;

[0021] In practical use, the positioning spring 13 and the limiting pad 7 in the pre-reserved groove 8 at the bottom of the limiting frame plate 1, in conjunction with the bolt limiting hole 6, can accurately position the embedded bolts. The irregular groove in the bolt limiting hole 6 engages with the top of the bolt to prevent the bolt from shifting or rotating during installation, ensuring the accuracy of the bolt installation position. The positioning spring 13 can be elastically adjusted according to the height of the bolt to adapt to the installation requirements of bolts of different lengths, increasing the versatility of the device.

[0022] Example 2:

[0023] Please see Figure 1 and Figure 2 The following technical solution is provided, specifically disclosed: a fixing block 10 is fixedly connected to the upper end of the outer side of the limiting frame plate 1. A first threaded hole 12 is opened on the surface of the fixing block 10. The first threaded hole 12 penetrates both sides of the limiting frame plate 1. A second limiting rod 5 is movably connected to the inner cavity of the first threaded hole 12. A limiting nut 9 is threadedly connected to the surface of the second limiting rod 5. A second washer 4 is movably connected to the right side of the second limiting rod 5. A third washer 11 is movably connected to the outer side of the second limiting rod 5. A non-standard groove is provided in the inner cavity of the bolt limiting hole 6. The non-standard groove is engaged with the top of the bolt.

[0024] In practical use, the first limiting rod 2 is threadedly connected to the limiting frame plate 1 through the second threaded hole 15. Rotating the rotating plate 14 allows the first limiting rod 2 to move up and down, thus limiting the bolt laterally. The first washer 3 increases the friction between the first limiting rod 2 and the limiting frame plate 1, preventing the first limiting rod from loosening and further enhancing the limiting effect. The second limiting rod 5 passes through the first threaded hole 12 and is fixed and adjusted by the limiting nut 9, the second washer 4, and the third washer 11. The second limiting rod can limit the bolt from another direction, forming a multi-dimensional limiting structure with the first limiting rod, improving the stability of the bolt fixing.

[0025] In use: Place the limiting frame plate 1 above the location where the pre-embedded bolt needs to be. Adjust the initial positions of the first limiting rod 2 and the second limiting rod 5 according to the bolt specifications and installation requirements. Insert the pre-embedded bolt into the bolt limiting hole 6, so that the irregular groove on the top of the bolt engages with the irregular groove in the bolt limiting hole. The positioning spring 13 elastically expands and contracts according to the bolt height, ensuring that the bolt is in the correct installation position. Rotate the rotating plate 14 to move the first limiting rod 2 downward until it contacts the bolt, thus limiting the bolt laterally. Tighten the first washer 3 to increase the friction between the first limiting rod and the limiting frame plate, preventing the first limiting rod from loosening. Pass the second limiting rod 5 through the first threaded hole 12, install the second washer 4 and the third washer 11, and tighten the limiting nut 9 to limit the bolt from another direction, further fixing the bolt. After completing the above operations, check the bolt's fixation to ensure that the bolt is firmly fixed in the limiting frame plate. During construction processes such as concrete pouring, this device can effectively prevent bolt displacement. Once construction is complete and the concrete has reached a certain strength, loosen the limiting nut 9 and rotate the rotating plate 14, remove the second limiting rod 5 and the first limiting rod 2, and remove the limiting frame plate from the bolts to complete the disassembly of the device.

[0026] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0027] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. A pre-bolt fixing device comprising a limiting frame plate (1), characterized in that: The bottom of the limiting frame plate (1) is provided with a reserved groove (8), and a positioning spring (13) is fixedly connected to the inner cavity of the reserved groove (8). A limiting pad (7) is fixedly connected to the bottom of the positioning spring (13). A bolt limiting hole (6) is provided at the middle of the bottom of the limiting pad (7). A second threaded hole (15) is provided on both sides of the limiting frame plate (1). A first limiting rod (2) is threadedly connected to the inner cavity of the second threaded hole (15). A rotating plate (14) is fixedly connected to the top of the first limiting rod (2). A first washer (3) is threadedly connected to the lower end of the surface of the first limiting rod (2).

2. A pre-bolted fixture as claimed in claim 1, wherein: A fixing block (10) is fixedly connected to the upper end of the outer side of the limiting frame plate (1). The surface of the fixing block (10) is provided with a first threaded hole (12), which penetrates both sides of the limiting frame plate (1).

3. A pre-bolted fixture as claimed in claim 2, wherein: The inner cavity of the first threaded hole (12) is movably connected to a second limiting rod (5), and the surface of the second limiting rod (5) is threadedly connected to a limiting nut (9).

4. A pre-bolted fixture as claimed in claim 3, wherein: The right side of the second limiting rod (5) is movably connected to a second washer (4), and the outside of the second limiting rod (5) is movably connected to a third washer (11).

5. A pre-bolted fixture as defined in claim 1, wherein: The inner cavity of the bolt limiting hole (6) is provided with a non-standard groove, which is engaged with the top of the bolt.

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