Adjustable stainless steel screw rod

By installing a positioning plate, a limit screw, and multiple corrosion-resistant layers on the stainless steel screw, the problem of inconvenient adjustment of existing stainless steel screws is solved, achieving flexible adjustment and improved corrosion resistance, thus ensuring stable operation of the equipment.

CN224049640UActive Publication Date: 2026-03-27CHANGZHOU SIBITAI MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing stainless steel lead screws are inconvenient to adjust during use, making it difficult to meet diverse needs under different working conditions. Furthermore, the stability and accuracy after adjustment are difficult to guarantee, affecting transmission performance and equipment operation.

Method used

An adjustable stainless steel lead screw was designed. Position adjustment is achieved by setting a positioning plate, a limiting screw, a limiting nut and an adjusting sleeve on the lead screw body and using the internal and external threads. Multiple corrosion-resistant layers are set on the threaded end of the lead screw to improve corrosion resistance.

Benefits of technology

It enables flexible adjustment and stable fixing of the lead screw, improves corrosion resistance, reduces maintenance costs, and ensures the normal operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable stainless steel screw rod which comprises a mounting plate, the middle end of the top of the mounting plate is fixedly connected with a screw rod body, a screw rod threaded end is integrally formed on the outer side of the screw rod body, external threads are arranged on the surface of the screw rod threaded end, one side of the surface of the screw rod body is fixedly connected with a positioning plate, and the other side of the surface of the screw rod body is fixedly connected with an adjusting plate. And an adjusting hole is formed in the surface of the positioning plate. The positioning plate is arranged on the surface of the lead screw body, the adjusting hole formed in the surface of the positioning plate is matched with the limiting screw rod, the limiting nut and the limiting block, the position of the limiting screw rod in the adjusting hole is adjusted, the limiting nut is tightened, and therefore different positions on the lead screw body can be limited. And the movable plate can move along the threaded end of the lead screw through the adjusting sleeve on the inner side of the movable plate by utilizing the matching of the internal thread and the external thread at the threaded end of the lead screw, so that flexible adjustment of various positions is realized, and the mounting and adjusting requirements in different use scenes are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel screw rod technical field, concretely is a kind of adjustable stainless steel screw rod. BACKGROUND

[0002] Screw rod is widely applied in mechanical transmission, mechanical equipment adjustment and other fields, stainless steel screw rod is favored in some higher environmental requirements or long-term use scenarios due to its good corrosion resistance, strength and other characteristics. However, the existing stainless steel screw rod has the problem of inconvenient adjustment in actual use. The length and position of most screw rods are fixed, which is difficult to meet the diversified needs under different working conditions. When the length of the screw rod needs to be adjusted, the entire screw rod assembly needs to be replaced, which is not only cumbersome to operate, but also increases the use cost. In addition, the stability and precision of some adjustable screw rods after adjustment are difficult to guarantee, which affects the transmission performance of the screw rod and the normal operation of the equipment. SUMMARY

[0003] The utility model aims at providing a kind of adjustable stainless steel screw rod to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: an adjustable stainless steel screw rod, comprising a mounting plate, a screw rod body is fixedly connected to the middle end of the top of the mounting plate, a screw thread end is integrally formed on the outer side of the screw rod body, an outer thread is arranged on the surface of the screw thread end, a positioning plate is fixedly connected to one side of the surface of the screw rod body, an adjusting hole is formed in the surface of the positioning plate, a limiting screw is movably connected in the inner cavity of the adjusting hole, a limiting block is fixedly connected to one side of the limiting screw, a limiting nut is threadedly connected to the outer surface of the limiting screw, an activity plate is threadedly connected to the surface of the screw thread end, an adjusting sleeve is fixedly connected to the inner side of the activity plate, and an inner thread is arranged in the inner cavity of the adjusting sleeve and the inner cavity of the activity plate.

[0005] Preferably, the outer surface of the screw thread end is provided with a first corrosion-resistant layer, the outer surface of the first corrosion-resistant layer is provided with a second corrosion-resistant layer, and the outer surface of the second corrosion-resistant layer is provided with a third corrosion-resistant layer.

[0006] Preferably, the material of the first corrosion-resistant layer and the second corrosion-resistant layer is an epoxy resin coating layer, and the material of the third corrosion-resistant layer is an inorganic anticorrosive coating layer.

[0007] Preferably, the mounting plate is provided with mounting holes around, and the mounting holes are circular structures.

[0008] Preferably, the material of the adjusting sleeve is a stainless steel metal sleeve, and the surface of the adjusting sleeve is provided with a protective layer.

[0009] Preferably, the connecting part of the limiting nut and the movable plate is provided with a sealing gasket, and the material of the sealing gasket is rubber gasket.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、The utility model discloses a positioning plate is set up on the surface of the screw rod main body, and the adjusting hole on the surface is matched with the limiting screw rod, the limiting nut and the limiting block, the position of the limiting screw rod in the adjusting hole is adjusted, and the limiting nut is tightened, so that the different positions on the screw rod main body can be limited.

[0012] 2、The utility model discloses a first corrosion -resistant layer, second corrosion -resistant layer and third corrosion -resistant layer are set up in proper order on the outer surface of the screw rod thread end, wherein the first corrosion -resistant layer and the second corrosion -resistant layer adopt epoxy resin paint layer, and the third corrosion -resistant layer adopts inorganic anticorrosive paint layer, and the corrosion -resistant layer of three different materials cooperates each other, greatly promotes the corrosion -resistant performance of the whole screw rod, prolongs the service life of product, and reduces maintenance cost. ACCURACY

[0013] Figure 1 It is the structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure schematic diagram of the limiting block of the utility model;

[0015] Figure 3 It is the second corrosion -resistant structure schematic diagram of the utility model.

[0016] In the drawing: 1, mounting plate;2, positioning plate;3, screw rod main body;4, limiting nut;5, limiting screw rod;6, external thread;7, internal thread;8, adjusting sleeve;9, movable plate;10, screw rod thread end;11, mounting hole;12, adjusting hole;13, limiting block;14, first corrosion -resistant layer;15, second corrosion -resistant layer;16, third corrosion -resistant layer. SPECIFIC IMPLEMENTATION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0018] The components of 1, mounting plate; 2, positioning plate; 3, screw body; 4, limiting nut; 5, limiting screw; 6, external thread; 7, internal thread; 8, adjusting sleeve; 9, movable plate; 10, screw threaded end; 11, mounting hole; 12, adjusting hole; 13, limiting block; 14, first corrosion-resistant layer; 15, second corrosion-resistant layer; 16, third corrosion-resistant layer are all general standard parts or parts known to those skilled in the art, and their structure and principle can be known by technical personnel through technical manual or through conventional experimental method. Embodiment

[0019] Please refer to Figures 1-3 , the following technical solutions are provided, specifically disclosed: a stainless steel screw with adjustable, including mounting plate 1, the top of mounting plate 1 is fixedly connected with the middle end of the screw body 3, the outer side of the screw body 3 is integrally formed with the screw threaded end 10, the surface of the screw threaded end 10 is provided with external thread 6, the surface of the screw body 3 is fixedly connected with the positioning plate 2 on one side, the surface of the positioning plate 2 is provided with adjusting hole 12, the inner cavity of the adjusting hole 12 is movably connected with the limiting screw 5, the limiting screw 5 is fixedly connected with the limiting block 13 on one side, the outer surface of the limiting screw 5 is threadedly connected with the limiting nut 4, the surface of the screw threaded end 10 is threadedly connected with the movable plate 9, the inner side of the movable plate 9 is fixedly connected with the adjusting sleeve 8, the inner cavity of the adjusting sleeve 8 and the inner cavity of the movable plate 9 are both provided with internal thread 7.

[0020] In actual use, through the positioning plate 2 provided on the surface of the screw body 3, the adjusting hole 12 provided on the surface thereof cooperates with the limiting screw 5, the limiting nut 4 and the limiting block 13, by adjusting the position of the limiting screw 5 in the adjusting hole 12 and tightening the limiting nut 4, the limitation on different positions of the screw body 3 can be realized. The movable plate 9 moves along the screw threaded end 10 by the adjusting sleeve 8 on the inner side thereof, cooperates with the external thread 6 of the screw threaded end 10 by the internal thread 7, so that flexible adjustment of multiple positions is realized, and the installation and adjustment requirements in different use scenarios are met. Embodiment

[0021] Please refer to Figure 1 and Figure 2 , the following technical solutions are provided, specifically disclosed: the outer surface of the screw threaded end 10 is provided with the first corrosion-resistant layer 14, the outer surface of the first corrosion-resistant layer 14 is provided with the second corrosion-resistant layer 15, the outer surface of the second corrosion-resistant layer 15 is provided with the third corrosion-resistant layer 16, the material of the first corrosion-resistant layer 14 and the second corrosion-resistant layer 15 is an epoxy resin coating layer, the material of the third corrosion-resistant layer 16 is an inorganic anticorrosive coating layer, the periphery of the mounting plate 1 is provided with the mounting hole 11, the mounting hole 11 is a circular structure, the material of the adjusting sleeve 8 is a stainless steel metal sleeve, and the surface of the adjusting sleeve 8 is provided with a protective layer, the connecting part of the limiting nut 4 and the movable plate 9 is provided with a sealing gasket, and the material of the sealing gasket is a rubber gasket.

[0022] In actual use, the first corrosion-resistant layer 14, the second corrosion-resistant layer 15 and the third corrosion-resistant layer 16 are sequentially arranged on the outer surface of the threaded end 10 of the lead screw, wherein the first corrosion-resistant layer 14 and the second corrosion-resistant layer 15 are epoxy paint layers, and the third corrosion-resistant layer 16 is an inorganic anticorrosive paint layer. The three corrosion-resistant layers of different materials cooperate with each other, greatly improving the overall corrosion resistance of the lead screw, prolonging the service life of the product, and reducing the maintenance cost.

[0023] In use: first, according to the actual installation requirements, use the mounting holes 11 around the mounting plate 1, through the connecting pieces such as bolts to fix the lead screw device in the corresponding position. When it is necessary to adjust the position of the movable plate 9, loosen the limiting nut 4, so that the limiting screw 5 can freely move in the adjusting hole 12, then rotate the movable plate 9, because the inner thread 7 in the adjusting sleeve 8 and the inner cavity of the movable plate 9 cooperates with the outer thread 6 of the threaded end 10 of the lead screw, the movable plate 9 will move along the threaded end 10 of the lead screw, so as to realize the accurate adjustment of the position of the movable plate 9. Adjust the limiting screw 5 according to the required position, tighten the limiting nut 4 after determining the position, complete the preliminary limitation of the specific position of the lead screw main body 3. In the process of using the lead screw, the first corrosion-resistant layer 14, the second corrosion-resistant layer 15 and the third corrosion-resistant layer 16 on the outer surface of the threaded end 10 of the lead screw work together to resist the corrosion of external corrosive substances and ensure the normal use of the lead screw; the protective layer on the surface of the adjusting sleeve 8 and the rubber sealing gasket between the limiting nut 4 and the movable plate 9 can also prevent external impurities from affecting the internal structure of the lead screw, ensuring the long-term stable operation of the lead screw device.

[0024] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0025] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the best mode for carrying out the present application, or those which are apparent).

[0026] Finally, it should be noted that the above-mentioned embodiments are merely used to illustrate the technical solutions of the present application, but not to limit the protection scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. An adjustable stainless steel wire rod comprising a mounting plate (1), characterized in that: The middle end of the top of mounting plate (1) is fixedly connected with lead screw body (3), one body of outer side of lead screw body (3) is formed with lead screw threaded end (10), the surface of lead screw threaded end (10) is provided with external thread (6), the surface of one side of lead screw body (3) is fixedly connected with locating plate (2), the surface of locating plate (2) is provided with adjusting hole (12), the inner chamber of adjusting hole (12) is movably connected with limit screw (5), the one side of limit screw (5) is fixedly connected with limit block (13), the outer surface of limit screw (5) is threadedly connected with limit nut (4), the surface of lead screw threaded end (10) is threadedly connected with movable plate (9), the inner side of movable plate (9) is fixedly connected with adjusting sleeve (8), the inner chamber of adjusting sleeve (8) and the inner chamber of movable plate (9) are all provided with internal thread (7).

2. An adjustable stainless steel wire rod as claimed in claim 1, wherein: The outer surface of lead screw threaded end (10) is provided with first corrosion-resistant layer (14), the outer surface of first corrosion-resistant layer (14) is provided with second corrosion-resistant layer (15), the outer surface of second corrosion-resistant layer (15) is provided with third corrosion-resistant layer (16).

3. An adjustable stainless steel wire rod as claimed in claim 2, wherein: The material of first corrosion-resistant layer (14) and second corrosion-resistant layer (15) is epoxy resin coating layer, the material of third corrosion-resistant layer (16) is inorganic anticorrosive coating layer.

4. An adjustable stainless steel wire rod as defined in claim 1, wherein: The periphery of mounting plate (1) is provided with mounting hole (11), mounting hole (11) is circular structure.

5. An adjustable stainless steel wire rod as defined in claim 1, wherein: The material of adjusting sleeve (8) is stainless steel metal sleeve, and the surface of adjusting sleeve (8) is provided with protective layer.

6. An adjustable stainless steel wire rod as defined in claim 1, wherein: The connecting place of limit nut (4) and movable plate (9) is provided with sealing gasket, and the material of sealing gasket is rubber pad.