Wear-resistant stainless steel screw rod
By setting multiple wear-resistant and corrosion-resistant layers on the surface and inside of the stainless steel screw, the problem of short service life of stainless steel screw in friction and corrosion environment is solved, the wear resistance and corrosion resistance are improved, and the stability of connection and reliability of system are ensured.
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
Existing stainless steel threaded rods have a short service life in frictional and corrosive environments, are easily damaged, and affect the stability of use and the reliability of connections.
Multiple wear-resistant and corrosion-resistant layers are set on the surface and inside of the stainless steel screw, including three wear-resistant layers on the external thread and three corrosion-resistant layers on the grommets. Different materials and structural designs are used to form a composite protection system.
It significantly improves the wear resistance and corrosion resistance of stainless steel screws, extends their service life, ensures precise positioning and stability of connections, and improves the stability and operational accuracy of the system.
Smart Images

Figure CN224049639U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stainless steel wire rod technical field, concretely is a wear -resisting type stainless steel wire rod. BACKGROUND
[0002] The screw rod is widely applied in the field of mechanical transmission, mechanical equipment adjustment and the like, and the stainless steel wire rod is favored in some scenes with higher environment requirement or long-term use because of good corrosion resistance, strength and the like.
[0003] But the existing stainless steel wire rod in the process of actual use because often needs to the material is transported, and then will cause the stainless steel wire rod friction coefficient increases, long time transmission is easy to cause the surface of stainless steel wire rod because of friction causes damage, influence the service life of stainless steel wire rod, for this, we propose a wear -resisting type stainless steel wire rod. UTILITARIAN CONTENT
[0004] The utility model discloses a wear -resisting type stainless steel wire rod to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a wear -resisting type stainless steel wire rod, including stainless steel wire rod body, the middle end of right side of stainless steel wire rod body is integrally formed with connecting rod, the right side of connecting rod is integrally formed with screw rod body, the surface of screw rod body is provided with outer thread, the outer surface of outer thread is provided with first wear -resisting layer, the outer surface of first wear -resisting layer is provided with second wear -resisting layer, the outer surface of second wear -resisting layer is provided with third wear -resisting layer.
[0006] Preferably, the middle end of the right side of the screw rod body is integrally formed with a first fixing rod, a second clamping hole is formed in the top of the first fixing rod, and a second fixing rod is integrally formed in the middle end of the right side of the first fixing rod, and a first clamping hole is formed in the top of the second fixing rod.
[0007] Preferably, the inner surface of the first clamping hole and the inner surface of the second clamping hole are provided with a first corrosion-resistant layer, the inner surface of the first corrosion-resistant layer is provided with a second corrosion-resistant layer, and the inner surface of the second corrosion-resistant layer is provided with a third corrosion-resistant layer.
[0008] Preferably, the first corrosion-resistant layer and the second corrosion-resistant layer are zinc-rich paint layers, and the third corrosion-resistant layer is an epoxy resin paint layer.
[0009] Preferably, the first clamping hole and the second clamping hole are rectangular structures, and the areas of the first clamping hole and the second clamping hole are consistent.
[0010] Compared with the prior art, the utility model has the beneficial effects as follows:
[0011] 1. The utility model discloses a three-layer wear-resistant layer is arranged on the outer thread of the screw main body, and the first wear-resistant layer, the second wear-resistant layer and the third wear-resistant layer are arranged on the outer thread of the screw main body. The three-layer wear-resistant layer forms a composite wear-resistant protection system through different material characteristics and structural design, can effectively resist friction, wear and surface fatigue, significantly improves the wear resistance of the screw in long-term use, and prolongs the service life.
[0012] 2. The utility model discloses a three-layer corrosion-resistant layer is arranged on the inner surface of the first clamping hole and the second clamping hole, and the first corrosion-resistant layer, the second corrosion-resistant layer and the third corrosion-resistant layer are arranged on the inner surface of the first clamping hole and the second clamping hole. The first corrosion-resistant layer and the second corrosion-resistant layer adopt zinc-rich paint layer, and the third corrosion-resistant layer adopts epoxy resin paint layer. The three-layer corrosion-resistant layer effectively resists the erosion of various corrosive media through electrochemical protection, shielding effect and chemical stability, ensures the integrity and connection reliability of the clamping hole structure, the first clamping hole and the second clamping hole of the first fixed rod and the second fixed rod are rectangular structures and have consistent areas, this design can realize accurate positioning and stable cooperation when the screw is connected with other components, avoids additional wear or looseness caused by connection deviation, improves the stability and operation precision of the whole system, and the structure design that the stainless steel screw body, the connecting rod and the screw main body are integrally formed guarantees the strength and rigidity of the screw as a whole. Meanwhile, the reasonable layout and structural design of the first fixed rod and the second fixed rod further enhance the anti-deformation ability and stability of the screw in the working process, and ensure that the screw can still work reliably under high load and vibration environment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of the utility model;
[0014] Figure 2 It is the first wear-resistant layer structural schematic diagram of the utility model;
[0015] Figure 3 It is the second corrosion-resistant layer structural schematic diagram of the utility model.
[0016] In the drawing: 1, stainless steel screw body;2, connecting rod;3, screw main body;4, outer thread;5, first fixed rod;6, first clamping hole;7, second clamping hole;8, second fixed rod;9, first wear-resistant layer;10, second wear-resistant layer;11, third wear-resistant layer;12, first corrosion-resistant layer;13, second corrosion-resistant layer;14, third corrosion-resistant layer. DETAILED DESCRIPTION
[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0018] The components of the stainless steel screw rod, such as the stainless steel screw rod body 1, the connecting rod 2, the screw rod body 3, the external thread 4, the first fixed rod 5, the first clamping hole 6, the second clamping hole 7, the second fixed rod 8, the first wear-resistant layer 9, the second wear-resistant layer 10, the third wear-resistant layer 11, the first corrosion-resistant layer 12, the second corrosion-resistant layer 13, and the third corrosion-resistant layer 14, are all general standard components or components known to those skilled in the art, and their structures and principles can be known by the present technical personnel through technical manuals or through conventional experimental methods. Embodiment
[0019] Please refer to Figures 1-3 The technical scheme is provided as follows: a wear-resistant stainless steel screw rod, comprising a stainless steel screw rod body 1, a connecting rod 2 integrally formed at the middle end of the right side of the stainless steel screw rod body 1, a screw rod body 3 integrally formed at the right side of the connecting rod 2, an external thread 4 arranged on the surface of the screw rod body 3, a first wear-resistant layer 9 arranged on the outer surface of the external thread 4, a second wear-resistant layer 10 arranged on the outer surface of the first wear-resistant layer 9, and a third wear-resistant layer 11 arranged on the outer surface of the second wear-resistant layer 10.
[0020] In actual use, the external thread 4 on the surface of the screw rod body 3 is provided with three wear-resistant layers, i.e., the first wear-resistant layer 9, the second wear-resistant layer 10, and the third wear-resistant layer 11. The three wear-resistant layers form a composite wear-resistant protection system through different material properties and structural designs, can effectively resist friction, wear, and surface fatigue, significantly improve the wear resistance of the screw rod in long-term use, and prolong the service life. Embodiment
[0021] Please refer to Figure 1 and Figure 2The utility model provides a technical scheme as follows, specifically discloses: the first fixed rod 5 is integrally formed in the right side middle end of screw rod main body 3, the top of first fixed rod 5 is equipped with second clamping hole 7, the right side middle end of first fixed rod 5 is integrally formed with second fixed rod 8, the top of second fixed rod 8 is equipped with first clamping hole 6, the inner surface of first clamping hole 6 and the inner surface of second clamping hole 7 are equipped with first corrosion -resistant layer 12, the inner surface of first corrosion -resistant layer 12 is equipped with second corrosion -resistant layer 13, the inner surface of second corrosion -resistant layer 13 is equipped with third corrosion -resistant layer 14, the material of first corrosion -resistant layer 12 and second corrosion -resistant layer 13 is zinc-rich coating layer, the material of third corrosion -resistant layer 14 is epoxy resin coating layer, first clamping hole 6 and second clamping hole 7 are set up as rectangular structure, and the area of first clamping hole 6 and second clamping hole 7 is consistent;
[0022] In actual use, the inner surfaces of the first and second clamping holes 6 and 7 are provided with three layers of corrosion-resistant layers, namely the first corrosion-resistant layer 12, the second corrosion-resistant layer 13, and the third corrosion-resistant layer 14. The first and second corrosion-resistant layers 12 and 13 are made of zinc-rich coating, and the third corrosion-resistant layer 14 is made of epoxy resin coating. The three layers of corrosion-resistant layers effectively resist the erosion of various corrosive media through electrochemical protection, shielding effect, and chemical stability, ensuring the integrity and connection reliability of the clamping hole structure. The first and second clamping holes 6 and 7 set on the first and second fixed rods 5 and 8 respectively are rectangular in structure and have consistent areas, which enables precise positioning and stable cooperation of the screw rod when connected with other components, avoids additional wear or looseness caused by connection deviation, and improves the stability and operating precision of the entire system. The one-piece structure design of the stainless steel screw rod body 1, the connecting rod 2, and the screw rod main body 3 ensures the strength and rigidity of the entire screw rod. At the same time, the reasonable layout and structural design of the first and second fixed rods 5 and 8 further enhance the anti-deformation ability and stability of the screw rod during operation, ensuring its reliable operation under high load and vibration environment.
[0023] In use: By the stainless steel screw rod body 1 as the basic support structure, through the connecting rod 2 and the screw rod main body 3 realize stable connection. The external thread 4 on the surface of the screw rod main body 3 cooperates with the matched nut or other transmission components, realizes the conversion of rotary motion and linear motion. In this process, the first wear-resistant layer 9, the second wear-resistant layer 10 and the third wear-resistant layer 11 on the surface of the external thread 4 jointly act, reduce the friction coefficient of the thread surface, improve the anti-wear ability, ensure the transmission efficiency and precision. When it is necessary to be connected with other components, the first clamping hole 6 and the second clamping hole 7 on the first fixed rod 5 and the second fixed rod 8 cooperate with the corresponding connecting pieces, because the clamping hole is a rectangular structure and the area is consistent, accurate positioning and stable connection can be realized. When there is a corrosive medium in the use environment, the first corrosion-resistant layer 12, the second corrosion-resistant layer 13 and the third corrosion-resistant layer 14 on the inner surface of the first clamping hole 6 and the second clamping hole 7 effectively prevent the clamping hole from being corroded through the electrochemical protection, shielding effect and chemical stability, ensure the reliability and stability of the connection. During the working process of the whole screw rod, the integrally formed structure design ensures the effective transmission of force and the stability of the overall structure, and the synergistic effect of various functional layers guarantees the performance requirements of the screw rod in wear resistance, corrosion resistance and the like.
[0024] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this 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 this 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 modified or changed. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the generality of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to particular embodiments described, but extends to any inventive subject matter within the scope of the claims.
[0025] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those not relevant to the presently considered best mode of carrying out the present application, or those not necessary to enable the present application).
[0026] Finally, it should be noted that the above embodiments are merely used to illustrate the technical solutions of the present application, rather than limit the scope of protection of the present application. Although the present application has been 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 equivalently replaced without departing from the spirit and scope of the technical solutions of the present application.
Claims
1. A wear resistant stainless steel screw rod comprising a stainless steel screw rod body (1), characterized in that: The middle end of the right side of the stainless steel screw rod body (1) is integrally formed with a connecting rod (2), the right side of the connecting rod (2) is integrally formed with a screw rod body (3), the surface of the screw rod body (3) is provided with external threads (4), the outer surface of the external threads (4) is provided with a first wear-resistant layer (9), the outer surface of the first wear-resistant layer (9) is provided with a second wear-resistant layer (10), and the outer surface of the second wear-resistant layer (10) is provided with a third wear-resistant layer (11).
2. A wear resistant stainless steel screw rod as claimed in claim 1, wherein: The middle end of the right side of the screw rod body (3) is integrally formed with a first fixing rod (5), the top of the first fixing rod (5) is provided with a second clamping hole (7), and the middle end of the right side of the first fixing rod (5) is integrally formed with a second fixing rod (8). The top of the second fixing rod (8) is provided with a first clamping hole (6).
3. A wear resistant stainless steel screw rod as claimed in claim 2, wherein: The inner surface of the first clamping hole (6) and the inner surface of the second clamping hole (7) are provided with a first corrosion-resistant layer (12), the inner surface of the first corrosion-resistant layer (12) is provided with a second corrosion-resistant layer (13), and the inner surface of the second corrosion-resistant layer (13) is provided with a third corrosion-resistant layer (14).
4. A wear resistant stainless steel screw rod as claimed in claim 3, wherein: The material of the first corrosion-resistant layer (12) and the second corrosion-resistant layer (13) is a zinc-rich paint layer, and the material of the third corrosion-resistant layer (14) is an epoxy resin paint layer.
5. A wear resistant stainless steel screw rod as claimed in claim 2, wherein: The first clamping hole (6) and the second clamping hole (7) are provided in a rectangular structure, and the areas of the first clamping hole (6) and the second clamping hole (7) are consistent.