Square groove screw assembly with anti-theft function

Abstract

The utility model relates to the technical field of screws, and discloses a square groove screw assembly with an anti-theft function, a positioning groove is formed in the inner wall of a screw body, a through hole is formed in the inner wall of an inner ring, the through hole is located on the front side of the positioning groove, the inner wall of the screw body is connected with a limiting ring, and the limiting ring is connected with the positioning groove. The square groove screw with the anti-theft function comprises a screw body, an inner ring is arranged on the outer wall of the screw body, a limiting ring is arranged on the outer wall of the inner ring, a limiting groove is formed in the outer wall of the inner ring, the limiting ring is located in the limiting groove, and a trivalent blue-white zinc dehydrogenation coating is arranged on the outer wall of the screw body. Wherein the inner ring is rotationally connected in the screw body, the inner ring and the screw body do not influence each other, a common screwdriver can only enable the inner ring to rotate, but cannot enable the screw body to rotate, and therefore the hidden danger that the screw is easy to disassemble due to the common screwdriver in the past is avoided, and the anti-theft effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screws, in particular to a square slot screw assembly with an anti-theft function. Background Art

[0002] At present, some household appliances on the market or large objects such as distribution cabinets on construction sites often need to be fixed and installed by screws. The heads of the screws used for fixing are mostly conventional cross holes, which can be unscrewed with an ordinary screwdriver. The cross screws are often unscrewed. Therefore, in view of the current situation, it is necessary to improve it. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a square slot screw assembly with an anti-theft function, which effectively solves the problem that some household appliances on the market or large objects such as distribution cabinets on construction sites often need to be fixed and installed by screws, and the heads of the screws used for fixed installation are mostly conventional cross holes, which can be unscrewed with an ordinary screwdriver, and the cross screws are often unscrewed.

[0004] To achieve the above-mentioned object, the utility model provides the following technical solution: a square slot screw assembly with an anti-theft function, comprising a screw body, an inner ring, and a screwdriver, wherein the inner ring is rotatably connected to the interior of the screw body, and an anti-theft assembly is provided inside the screw body;

[0005] Wherein, the anti-theft component includes a positioning groove, which is arranged on the inner wall of the screw body, and the inner wall of the inner ring is provided with a through hole, which is located at the front side of the positioning groove.

[0006] Preferably, the inner wall of the screw body is connected to a limiting ring, the outer wall of the inner ring is provided with a limiting groove, and the limiting ring is located inside the limiting groove.

[0007] Preferably, the outer wall of the screw body is provided with a trivalent blue-white zinc dehydrogenation coating.

[0008] Preferably, a screw washer is provided on the outer wall of the screw body.

[0009] Preferably, the inner ring is cylindrical, and the groove inside the inner ring is square.

[0010] Preferably, one end of the screwdriver is connected to a positioning block, and the positioning block matches the positioning slot.

[0011] Preferably, the outer wall of the screwdriver is connected with an anti-slip sleeve.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. When turning the screw body, an ordinary screwdriver usually causes the inner ring to rotate but cannot turn the screw body. The inner ring is rotatably connected to the inside of the screw body, and the two do not affect each other. An ordinary screwdriver can only turn the inner ring but cannot turn the screw body, thus solving the hidden danger of easy disassembly caused by ordinary screwdrivers in the past and achieving the effect of anti-theft.

[0014] 2. The inner ring is cylindrical, and the groove inside the inner ring is square, so the screw body needs to be removed with a matching screwdriver to prevent it from being removed by an ordinary screwdriver;

[0015] 3. The positioning block is specially made and matches the positioning slot. When the positioning block at one end of the screwdriver is inserted into the positioning slot and rotated, the screw body can also be rotated when the inner ring rotates, so that the screw body can be removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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 to the present invention.

[0017] In the attached figure:

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the positioning block structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the inner ring structure of the utility model.

[0021] In the figure: 100, screw body; 200, inner ring; 201, positioning groove; 202, through hole; 203, limiting ring; 204, limiting groove; 205, screw washer; 300, screwdriver; 301, positioning block; 302, anti-slip sleeve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-3A square slot screw assembly with an anti-theft function includes a screw body 100, an inner ring 200, and a screwdriver 300. The inner ring 200 is rotatably connected to the inside of the screw body 100, and an anti-theft assembly is provided inside the screw body 100.

[0024] Among them, the anti-theft component includes a positioning groove 201, which is opened on the inner wall of the screw body 100, and a through hole 202 is opened on the inner wall of the inner ring 200, and the through hole 202 is located on the front side of the positioning groove 201. When the ordinary screwdriver 300 rotates the screw body 100, it usually causes the inner ring 200 to rotate but cannot cause the screw body 100 to rotate. The inner ring 200 is rotatably connected to the inside of the screw body 100, and the two do not affect each other. The ordinary screwdriver 300 can only rotate the inner ring 200 but cannot cause the screw body 100 to rotate, thereby solving the hidden danger of easy disassembly caused by the ordinary screwdriver 300 in the past and achieving the anti-theft effect.

[0025] The inner wall of the screw body 100 is fixedly connected to a limiting ring 203 , and the outer wall of the inner ring 200 is provided with a limiting groove 204 . The limiting ring 203 is located inside the limiting groove 204 , so that the inner ring 200 can rotate more stably.

[0026] The outer wall of the screw body 100 is provided with a trivalent blue-white zinc dehydrogenation coating, thereby achieving a good anti-corrosion effect.

[0027] The outer wall of the screw body 100 is sleeved with a screw washer 205 , thereby increasing the friction between the screw body 100 and the object, making the screw body 100 more firmly fixed.

[0028] The inner ring 200 is cylindrical, and the groove inside the inner ring 200 is square, so that the screw body 100 needs to be disassembled using a matching screwdriver 300 to prevent it from being disassembled and removed by an ordinary screwdriver 300.

[0029] A positioning block 301 is fixedly connected to one end of the screwdriver 300, and the positioning block 301 matches the positioning slot 201, wherein the positioning block 301 is specially made and matches the positioning slot 201. When the positioning block 301 at one end of the screwdriver 300 is inserted into the positioning slot 201 and rotated, the screw body 100 can also be rotated when the inner ring 200 rotates, so that the screw body 100 can be removed.

[0030] An anti-slip cover 302 is fixedly connected to the outer wall of the screwdriver 300 , thereby making it easier to hold the screwdriver 300 .

[0031] Working principle: When an ordinary screwdriver 300 rotates the screw body 100, the inner ring 200 is usually rotated but the screw body 100 cannot be rotated, wherein the inner ring 200 is rotatably connected to the inside of the screw body 100, and the two do not affect each other. The ordinary screwdriver 300 can only rotate the inner ring 200 but cannot rotate the screw body 100, thereby solving the hidden danger of easy disassembly caused by ordinary screwdrivers 300 in the past and achieving the anti-theft effect. The inner ring 200 is cylindrical and the groove inside the inner ring 200 is square, so that the screw body 100 needs to be disassembled with a matching screwdriver 300 to prevent it from being disassembled and removed by an ordinary screwdriver 300. The positioning block 301 is specially made and matches the positioning groove 201. When the positioning block 301 at one end of the screwdriver 300 is inserted into the positioning groove 201 and rotated, the screw body 100 can also be rotated when the inner ring 200 rotates, so that the screw body 100 can be removed.

[0032] 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 such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A square-slot screw assembly with an anti-theft function, comprising a screw body (100), an inner ring (200), and a screwdriver (300), characterized in that: The inner ring (200) is rotatably connected to the interior of the screw body (100), and an anti-theft component is provided inside the screw body (100); The anti-theft component comprises a positioning groove (201), the positioning groove (201) is arranged on the inner wall of the screw body (100), the inner wall of the inner ring (200) is provided with a through hole (202), and the through hole (202) is located on the front side of the positioning groove (201).

2. The square-slot screw assembly with anti-theft function according to claim 1, characterized in that: The inner wall of the screw body (100) is connected to a limiting ring (203), the outer wall of the inner ring (200) is provided with a limiting groove (204), and the limiting ring (203) is located inside the limiting groove (204).

3. The square-slot screw assembly with anti-theft function according to claim 1, characterized in that: The outer wall of the screw body (100) is provided with a trivalent blue-white zinc dehydrogenation coating.

4. The square-slot screw assembly with anti-theft function according to claim 1, characterized in that: The outer wall of the screw body (100) is provided with a screw washer (205).

5. The square-slot screw assembly with anti-theft function according to claim 1, characterized in that: The inner ring (200) is cylindrical, and the groove inside the inner ring (200) is square.

6. The square-slot screw assembly with anti-theft function according to claim 1, characterized in that: One end of the screwdriver (300) is connected to a positioning block (301), and the positioning block (301) matches the positioning slot (201).

7. The square-slot screw assembly with anti-theft function according to claim 1, characterized in that: The outer wall of the screwdriver (300) is connected to a non-slip sleeve (302).

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