Anti-loosening self-locking stainless steel screw

Abstract

The utility model belongs to the technical field of stainless steel screws, and particularly relates to an anti-loosening self-locking stainless steel screw which comprises an installation part and an installed face, a first threaded hole is formed in the installation part, a second threaded hole is formed in the installed face, and the anti-loosening self-locking stainless steel screw further comprises an anti-loosening bolt which is arranged on the installation part after the anti-loosening self-locking stainless steel screw is screwed down. And the stainless steel screws can be prevented from rotating automatically and are in threaded connection with the interiors of the first threaded holes and the second threaded holes. The stainless steel screw comprises a circular plate, the sliding rod is fixedly installed at the bottom of the circular plate, the sliding rod is arranged in an inner cavity of the stud, and one end of the stud is sequentially connected into the first threaded hole and the second threaded hole in a threaded mode. The stainless steel screw provided by the utility model has the function of avoiding autorotation after being tightened, so that the self-locking function is realized, the loosening phenomenon can be further avoided, and the use stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel screw technical field, concretely is a self -locking stainless steel screw with anti -loosening. BACKGROUND

[0002] Screw is a kind of physical and mathematical principle using the inclined plane circular rotation and friction of object, gradually tightens the tool of machine parts. Screw is the general term of fastener, and screw is one of its specific forms. Screw is usually composed of head and screw rod two parts, head has multiple shapes, such as flat head, cross head etc., and screw rod can be cylindrical, conical or with sharp head etc. The main use of screw is to connect or fix two objects. They usually do not need to be equipped with nut, can directly connect two objects together. Screw is mostly used for blind hole connection, and the connecting piece needs to be drilled and threaded first, and it is not easy to disassemble once installed. According to different purposes, screw can be divided into connecting screw and fixed screw etc. And stainless steel screw refers to the screw made of stainless steel material.

[0003] At present, stainless steel screw may be loose after being tightened due to vibration and other reasons, which will affect the stability of the installed part. Therefore, a self-locking stainless steel screw with anti-loosening function is invented. UTILITY MODEL CONTENT

[0004] In view of the above and / or existing problems in the prior art, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a self-locking stainless steel screw with anti-loosening function, which can solve the above-mentioned problems.

[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0007] A self-locking stainless steel screw with anti-loosening function, comprising an installed part and a mounted surface, a first threaded hole is formed in the installed part, a second threaded hole is formed in the mounted surface, and further comprising:

[0008] After being tightened, the stainless steel screw can avoid self-rotation, and the stainless steel screw is threaded in the first threaded hole and the second threaded hole.

[0009] As a preferred scheme of the self-locking stainless steel screw with anti-loosening function, the stainless steel screw comprises:

[0010] A circular plate;

[0011] A sliding rod is fixedly installed on the bottom of the circular plate;

[0012] The inner cavity of the stud is provided with a sliding rod, and one end of the stud is threadedly connected in the first threaded hole and the second threaded hole in sequence.

[0013] As a preferred scheme of the self-locking stainless steel screw with anti-loosening function, the stainless steel screw further comprises:

[0014] The inner cavity of the sliding groove is slidably connected with the sliding rod.

[0015] The two ends of the circular plate are provided with grooves.

[0016] As a preferred scheme of the self-locking stainless steel screw with anti-loosening function, the stainless steel screw further comprises:

[0017] The limiting assembly is arranged between the sliding rod and the stud to avoid separation of the sliding rod and the sliding groove.

[0018] As a preferred scheme of the self-locking stainless steel screw with anti-loosening function, the limiting assembly comprises:

[0019] The limiting groove is arranged on the stud at the two sides of the sliding groove and is in communication with the sliding groove.

[0020] The limiting rod is fixedly installed at the two ends of the sliding rod and is slidably connected in the limiting groove.

[0021] The guide groove is arranged in the limiting rod.

[0022] The guide rod is slidably connected in the guide groove.

[0023] The semispherical block is fixedly installed at one end of the guide rod and is in contact with the limiting groove.

[0024] As a preferred scheme of the self-locking stainless steel screw with anti-loosening function, the limiting assembly further comprises:

[0025] The spring is sleeved on the guide rod and is fixedly connected with the limiting rod and the semispherical block at the two ends.

[0026] The semispherical groove is arranged on the stud at the outer top end of the limiting groove and is in communication with the limiting groove, and the semispherical block can be inserted in the semispherical groove.

[0027] As a preferred scheme of the self-locking stainless steel screw with anti-loosening function, the stainless steel screw further comprises:

[0028] The positioning assembly is arranged on the circular plate.

[0029] As a preferred scheme of the self-locking stainless steel screw with anti-loosening function, the positioning assembly comprises:

[0030] The positioning groove is arranged on the surface of the mounting member;

[0031] The positioning rod is fixedly arranged on the bottom of the circular plate and is inserted into the positioning groove.

[0032] Compared with the prior art, the self-locking stainless steel screw with anti-loosening function has the following advantages:

[0033] The self-locking stainless steel screw with anti-loosening function can avoid self-rotation after being tightened, realizes self-locking function, avoids loosening, and improves the use stability. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a front view of the structure of the utility model;

[0035] Figure 2 It is the utility model Figure 1 It is an enlarged view of the structure at A in the utility model;

[0036] Figure 3 It is a structure diagram of the stainless steel screw of the utility model;

[0037] Figure 4 It is a front view of the structure of the stainless steel screw in the original state of the utility model;

[0038] Figure 5 It is a top view of the local structure of the stainless steel screw of the utility model.

[0039] In the drawing, the mounting member 10, the first threaded hole 11, the mounted surface 20, the second threaded hole 21, the circular plate 30, the sliding rod 31, the stud 32, the sliding groove 33, the recess 34, the limiting groove 40, the limiting rod 41, the guide groove 42, the guide rod 43, the semispherical block 44, the spring 45, the semispherical groove 46, the positioning groove 50, and the positioning rod 51 are shown. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be further described in detail below with reference to the drawings.

[0041] The utility model provides a self-locking stainless steel screw with anti-loosening function, and the utility model discloses Figure 1-Figure 5, including the mounting piece 10 and the installed surface 20, the first threaded hole 11 is opened on the mounting piece 10, and the second threaded hole 21 is opened on the installed surface 20;

[0042] Further comprising: stainless steel screws capable of avoiding self-rotation after being tightened, and the stainless steel screws are threadedly connected in the first threaded hole 11 and the second threaded hole 21, and the material of the stainless steel screws is stainless steel, except the spring 45.

[0043] The stainless steel screw comprises a circular plate 30, a sliding rod 31, a stud 32, a sliding groove 33, and a groove 34.

[0044] The sliding rod 31 is fixedly installed on the bottom of the circular plate 30, the inner cavity of the stud 32 is provided with the sliding rod 31, one end of the stud 32 is threadedly connected in the first threaded hole 11 and the second threaded hole 21 in sequence, the sliding groove 33 is opened in the stud 32, the inner cavity of the sliding groove 33 is slidably connected with the sliding rod 31, and the two ends of the circular plate 30 are both provided with the groove 34; wherein the top end of the circular plate 30 is provided with a special-shaped groove, and the shape of the special-shaped groove includes but is not limited to a hexagonal shape.

[0045] The stainless steel screw further comprises a limiting assembly for avoiding the separation of the sliding rod 31 and the sliding groove 33, and the limiting assembly is arranged between the sliding rod 31 and the stud 32.

[0046] The limiting assembly comprises a limiting groove 40, a limiting rod 41, a guide groove 42, a guide rod 43, a hemispherical block 44, a spring 45, and a hemispherical groove 46.

[0047] The stud 32 located on both sides of the sliding groove 33 is provided with the limiting groove 40 in communication with the sliding groove 33, the two ends of the sliding rod 31 are both fixedly installed with the limiting rod 41, the limiting rod 41 is slidably connected in the limiting groove 40, the guide groove 42 is opened in the limiting rod 41, the guide rod 43 is slidably connected in the guide groove 42, the hemispherical block 44 is fixedly installed on one end of the guide rod 43, the hemispherical block 44 is in contact with the limiting groove 40, the spring 45 is sleeved on the guide rod 43, and the two ends of the spring 45 are respectively fixedly connected with the limiting rod 41 and the hemispherical block 44, the stud 32 located on the top side outside the limiting groove 40 is provided with the hemispherical groove 46 in communication with the limiting groove 40, and the hemispherical block 44 can be inserted in the hemispherical groove 46.

[0048] The stainless steel screw further comprises a positioning assembly for avoiding the rotation of the circular plate 30, and the positioning assembly is arranged on the circular plate 30.

[0049] The positioning assembly comprises a positioning groove 50 and a positioning rod 51.

[0050] The positioning groove 50 is opened on the surface of the mounting piece 10, and the positioning rod 51 is fixedly installed on the bottom of the circular plate 30 and inserted in the positioning groove 50.

[0051] In the specific use, the specific steps are as follows:

[0052] The round plate 30 is rotated by an external hexagonal wrench, so that the stud 32 is threadedly connected in the first threaded hole 11 and the second threaded hole 21 in sequence, when the stud 32 is at a proper depth and the positioning groove 50 is aligned with the positioning rod 51, the round plate 30 is pressed, at this time, the semispherical block 44 and the semispherical groove 46 are separated, and the spring 45 is deformed, thus enabling the round plate 30 to move downward until the positioning rod 51 is inserted in the positioning groove 50, at this time, the round plate 30 is prevented from rotating; when the stainless steel screw is needed to be unscrewed, the end of the hexagonal wrench is inserted in the groove 34, and then is lifted upward to restore the round plate 30 to the original position, at this time, the round plate 30 is rotated by the hexagonal wrench again.

[0053] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in the specification due to the consideration of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A self-locking stainless steel screw with anti-loosening function, comprising a mounting member (10) and a mounted surface (20), wherein the mounting member (10) is provided with a first threaded hole (11), and the mounted surface (20) is provided with a second threaded hole (21), characterized in that: Also includes: After being tightened, the stainless steel screw can avoid self-rotation, and the stainless steel screw is threadedly connected in the first threaded hole (11) and the second threaded hole (21).

2. The self-locking stainless steel screw with anti-loosening function according to claim 1, characterized in that: The stainless steel screws include: circular plate (30); A slide bar (31), wherein the slide bar (31) is fixedly mounted on the bottom of the circular plate (30); A stud (32) is provided with a sliding rod (31) in an inner cavity of the stud (32), and one end of the stud (32) is threadedly connected to the first threaded hole (11) and the second threaded hole (21) in sequence.

3. The self-locking stainless steel screw with anti-loosening function according to claim 2, characterized in that: The stainless steel screw also includes: A slide groove (33), wherein the slide groove (33) is provided in the stud (32), and an inner cavity of the slide groove (33) is slidably connected to the slide rod (31); Grooves (34), both ends of the circular plate (30) are provided with grooves (34).

4. The self-locking stainless steel screw with anti-loosening function according to claim 3, characterized in that: The stainless steel screw also includes: A limiting component is used to prevent the sliding rod (31) and the sliding groove (33) from separating, and the limiting component is arranged between the sliding rod (31) and the stud (32).

5. The self-locking stainless steel screw with anti-loosening function according to claim 4, characterized in that: The limiting component includes: Limiting grooves (40), the studs (32) located on both sides of the slide groove (33) are provided with limiting grooves (40) connected to the slide groove (33); A limiting rod (41), wherein both ends of the slide rod (31) are fixedly mounted with the limiting rod (41), and the limiting rod (41) is slidably connected in the limiting groove (40); A guide groove (42), wherein the guide groove (42) is provided in the limiting rod (41); A guide rod (43), wherein the guide rod (43) is slidably connected in the guide groove (42); A hemispherical block (44) is fixedly mounted on one end of the guide rod (43), and the hemispherical block (44) is in contact with the limiting groove (40).

6. The self-locking stainless steel screw with anti-loosening function according to claim 5, characterized in that: The limiting component also includes: A spring (45), wherein the spring (45) is sleeved on the guide rod (43), and the two ends of the spring (45) are fixedly connected to the limit rod (41) and the hemispherical block (44) respectively; A hemispherical groove (46) is provided on the stud (32) at the outer top end of the limiting groove (40), and the hemispherical groove (46) is connected to the limiting groove (40), and the hemispherical block (44) can be inserted into the hemispherical groove (46).

7. The self-locking stainless steel screw with anti-loosening function according to claim 2, characterized in that: The stainless steel screw also includes: A positioning component is used to prevent the circular plate (30) from rotating, and the positioning component is arranged on the circular plate (30).

8. The self-locking stainless steel screw with anti-loosening function according to claim 7, characterized in that: The positioning component includes: A positioning groove (50), wherein the positioning groove (50) is formed on the surface of the mounting member (10); A positioning rod (51) is fixedly mounted on the bottom of the circular plate (30), and the positioning rod (51) is inserted into the positioning groove (50).

Images