Hardware fastener with protective sleeve

Abstract

The utility model relates to the technical field of hardware parts, and discloses a hardware fastener with a protective sleeve, which comprises a bolt and further comprises an ejector head arranged at the top of the bolt and used for driving the bolt to rotate, and a nut used for being connected with fastening equipment is arranged on the outer side of the bolt. The protection mechanism is arranged on the outer side of the top and the outer side of the nut and used for wrapping the top and the nut, the protection mechanism comprises an upper sealing cap connected to the outer side of the top in a sleeving mode, and the inner wall of the upper sealing cap is provided with a first clamping hole matched with the top in size; a second clamping hole matched with the nut in size is formed in the inner wall of the lower sealing cap, an extension sleeve is fixed to the bottom of the lower sealing cap and connected to the outer side of the bolt in a sleeving mode, and the problems that when the bolt and the nut are used outdoors, corrosion and rusting are caused by rainwater erosion and air oxidation, and the bolt and the nut are difficult to disassemble as time goes on are solved. And troubles are brought to maintenance and replacement work.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware parts, in particular to a hardware fastener with a protective cover. Background Art

[0002] Hardware fasteners are hardware parts used to fasten or connect two or more objects. They are usually made of metal, such as steel, stainless steel, aluminum, etc., and are designed in various types and specifications to suit different applications. Fasteners can be simple, such as bolts, screws, nuts and washers, or more complex structural parts such as flanges, chains, clamps, etc. In the field of engineering and construction, fasteners play a vital role because they ensure the safety and stability of structures and equipment. There are many factors to consider when choosing the right fasteners, including the strength of the material, corrosion resistance, environmental conditions, and the type of loads it is subjected to.

[0003] Bolts are the most common in daily life due to their wide range of applications. They can also be often seen in outdoor environments. Bolts and nuts are connected by threads and are made of metal. When used outdoors, they are often corroded by rain and oxidized by air, causing the bolts and nuts to corrode and rust. Over time, it will be difficult to disassemble the bolts and nuts, causing trouble for maintenance and replacement. Utility Model Content

[0004] The purpose of the utility model is to provide a hardware fastener with a protective sleeve to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a hardware fastener with a protective sleeve, including a bolt, and also including:

[0006] A top head is arranged on the top of the bolt for driving the bolt to rotate, and a nut is arranged on the outer side of the bolt for connecting with a fastening device;

[0007] A protective mechanism is arranged on the outside of the plug and the nut for wrapping them, the protective mechanism includes an upper sealing cap sleeved on the outside of the plug, the inner wall of the upper sealing cap is provided with a first clamping hole adapted to the size of the plug, the protective mechanism also includes a lower sealing cap sleeved on the outside of the nut, the inner wall of the lower sealing cap is provided with a second clamping hole adapted to the size of the nut, an extension sleeve is fixed to the bottom of the lower sealing cap, and the extension sleeve is sleeved on the outside of the bolt.

[0008] Preferably, an upper connecting plate and a lower connecting plate are respectively provided on the outer side of the bolt, an upper wedge-shaped locking washer and a lower wedge-shaped locking washer are provided on the top of the upper connecting plate, and the lower connecting plate is provided on the top of the nut.

[0009] Preferably, the contact surfaces of the upper wedge-shaped locking washer and the lower wedge-shaped locking washer are both provided with wedge-shaped strips, the upper wedge-shaped locking washer and the lower wedge-shaped locking washer are clamped together by the wedge-shaped strips, and the top of the upper wedge-shaped locking washer and the bottom of the lower wedge-shaped locking washer are both provided with serrations.

[0010] Preferably, the upper wedge-shaped locking washer and the lower wedge-shaped locking washer are both sleeved on the outside of the bolt, and the upper wedge-shaped locking washer and the lower wedge-shaped locking washer are arranged at the bottom of the top head.

[0011] Preferably, a groove is provided inside the top head, and the size of the groove is adapted to that of an internal angle wrench.

[0012] Preferably, a placement groove is provided on the inner wall of the nut, a sealing ring is fixed on the inner wall of the placement groove, the material of the sealing ring is set to rubber, and the size of the sealing ring is adapted to the placement groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model can effectively provide anti-oxidation and rain-proof protection for bolts, plugs and nuts by arranging a protection mechanism, wherein the upper sealing cap can cover the plug, the lower sealing cap can cover the nut, and the extension sleeve can cover the bolt, thereby increasing the service life of the bolts, plugs and nuts and avoiding the problems of corrosion and rust caused by rain erosion and air oxidation during long-term use. During later maintenance, the staff can disassemble the bolts and nuts by simply pulling out the upper sealing cap and the lower sealing cap, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of a hardware fastener with a protective sleeve provided by the utility model;

[0016] Figure 2 A schematic diagram of the structure of the upper connecting plate and the lower connecting plate provided by the utility model;

[0017] Figure 3 A schematic diagram of the structure of the protection mechanism provided by the utility model;

[0018] Figure 4 A schematic diagram of the structure of the connection between the bolt and the nut provided by the utility model;

[0019] Figure 5 This is a structural schematic diagram of the nut provided by the utility model.

[0020] In the figure: 1. bolt; 2. top head; 3. nut; 4. protective mechanism; 41. upper sealing cap; 42. first clamping hole; 43. lower sealing cap; 44. second clamping hole; 45. extension sleeve; 5. upper connecting plate; 6. lower connecting plate; 7. upper wedge-shaped locking washer; 8. lower wedge-shaped locking washer; 9. wedge-shaped strip; 10. serration; 11. groove; 12. placement groove; 13. sealing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 As shown, a hardware fastener with a protective sleeve includes a bolt 1, which can be connected with a matching nut 3 by setting the bolt 1 to fix the upper connecting plate 5 and the lower connecting plate 6; it also includes a plug 2 arranged on the top of the bolt 1 for driving the bolt 1 to rotate, and the setting of the plug 2 makes it convenient for workers to use a wrench to drive the bolt 1 to rotate; a nut 3 for connecting a fastening device to it is arranged on the outside of the bolt 1, and the nut 3 can be connected with the matching bolt 1 by setting it, thereby improving the stability of the fixation of the upper connecting plate 5 and the lower connecting plate 6; a protective mechanism 4 is arranged on the outside of the plug 2 and the nut 3 for wrapping them, and the bolt 1, the plug 2 and the nut 3 can be effectively protected by the setting, thereby improving their service life and preventing corrosion; the protective mechanism 4 includes an upper sealing cap 41 sleeved on the outside of the plug 2, and the plug 2 can be clamped by setting the upper sealing cap 41 , to achieve a protective effect; the inner wall of the upper sealing cap 41 is provided with a first clamping hole 42 that is adapted to the size of the plug 2. By setting the size of the first clamping hole 42 to be adapted to the size of the plug 2, the upper sealing cap 41 is not easy to fall off when it is sleeved on the outside of the plug 2; the protective mechanism 4 also includes a lower sealing cap 43 that is sleeved on the outside of the nut 3, and the nut 3 can be clamped by setting the lower sealing cap 43; the inner wall of the lower sealing cap 43 is provided with a second clamping hole 44 that is adapted to the size of the nut 3, and by setting the size of the second clamping hole 44 to be adapted to the size of the nut 3, the lower sealing cap 43 is not easy to fall off when it is sleeved on the outside of the nut 3; an extension sleeve 45 is fixed to the bottom of the lower sealing cap 43, and the extension sleeve 45 is sleeved on the outside of the bolt 1. By setting the extension sleeve 45, it can be sleeved on the outside of the bolt 1 to protect the bolt 1; the upper sealing cap 41, the lower sealing cap 43, and the extension sleeve 45 are all made of rubber material and have a certain elasticity.

[0023] See also Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the outer sides of the bolt 1 are respectively provided with an upper connecting plate 5 and a lower connecting plate 6, and the upper connecting plate 5 and the lower connecting plate 6 can facilitate the connection between the equipment; the top of the upper connecting plate 5 is provided with an upper wedge-shaped locking washer 7 and a lower wedge-shaped locking washer 8, and the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8 can be provided to prevent the bolt 1 from being loosened due to vibration during use; the lower connecting plate 6 is arranged on the top of the nut 3; the contact surfaces of the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8 are both provided with wedge-shaped strips 9, and the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8 are clamped together by the wedge-shaped strips 9, and the wedge-shaped strips 9 can facilitate the clamping of the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8 through the wedge effect; the top of the upper wedge-shaped locking washer 7 and the bottom of the lower wedge-shaped locking washer 8 are both provided with serrations 10, and the serrations 10 can reduce wear loss, increase the tightening effect and improve the stability; the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8 are both sleeved on the outside of the bolt 1, and the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8 are arranged at the bottom of the top head 2; a groove 11 is provided inside the top head 2, and the size of the groove 11 is adapted to the internal angle wrench. By providing the groove 11, it is convenient for workers to use the internal angle wrench to tighten the bolt 1 when there is no socket wrench; a placement groove 12 is provided on the inner wall of the nut 3, and a sealing ring 13 can be installed by providing the placement groove 12; a sealing ring 13 is fixed on the inner wall of the placement groove 12, and the material of the sealing ring 13 is set to rubber, and the size of the sealing ring 13 is adapted to the placement groove 12. By providing the sealing ring 13, when the bolt 1 is connected to the nut 3, the bolt 1 rotates and squeezes the sealing ring 13, thereby improving the connection contact effect and preventing the bolt 1 from loosening due to vibration.

[0024] Working principle: The worker first aligns the upper connecting plate 5 and the lower connecting plate 6 and puts them together, and uses the bolt 1 to pass through the upper wedge-shaped locking washer 7, the lower wedge-shaped locking washer 8, the upper connecting plate 5 and the lower connecting plate 6 in sequence. At the bottom end of the bolt 1, use the nut 3 to cover the outside of the bolt 1, and twist the nut 3 to rotate to the bottom of the lower connecting plate 6. When the nut 3 rotates on the outside of the bolt 1, the bolt 1 will squeeze the sealing ring 13. Next, use a wrench to rotate the top head 2 to drive the bolt 1 to rotate. The top head 2 presses the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8, so that the upper wedge-shaped locking washer 7 and the lower wedge-shaped locking washer 8 are clamped through the wedge effect, and then tighten the bolt 1 to fix the upper connecting plate 5 and the lower connecting plate 6. Finally, use the upper sealing cap 41 to cover the outside of the top head 2, and use the lower sealing cap 43 and the extension sleeve 45 to cover the outside of the nut 3 and the bolt 1.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used 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", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hardware fastener with a protective sleeve, comprising a bolt (1), characterized in that: Also includes: A top head (2) is arranged on the top of the bolt (1) for driving the bolt (1) to rotate, and a nut (3) is arranged on the outer side of the bolt (1) for connecting with a fastening device; A protective mechanism (4) is arranged on the outside of the plug (2) and the nut (3) for wrapping them, the protective mechanism (4) comprising an upper sealing cap (41) sleeved on the outside of the plug (2), the inner wall of the upper sealing cap (41) being provided with a first clamping hole (42) matching the size of the plug (2), the protective mechanism (4) further comprising a lower sealing cap (43) sleeved on the outside of the nut (3), the inner wall of the lower sealing cap (43) being provided with a second clamping hole (44) matching the size of the nut (3), an extension sleeve (45) being fixed to the bottom of the lower sealing cap (43), the extension sleeve (45) being sleeved on the outside of the bolt (1).

2. A hardware fastener with a protective cover according to claim 1, characterized in that: An upper connecting plate (5) and a lower connecting plate (6) are respectively arranged on the outer side of the bolt (1), an upper wedge-shaped locking washer (7) and a lower wedge-shaped locking washer (8) are arranged on the top of the upper connecting plate (5), and the lower connecting plate (6) is arranged on the top of the nut (3).

3. A hardware fastener with a protective cover according to claim 2, characterized in that: The contact surfaces of the upper wedge-shaped locking washer (7) and the lower wedge-shaped locking washer (8) are both provided with wedge-shaped strips (9), the upper wedge-shaped locking washer (7) and the lower wedge-shaped locking washer (8) are clamped together by the wedge-shaped strips (9), and the top of the upper wedge-shaped locking washer (7) and the bottom of the lower wedge-shaped locking washer (8) are both provided with serrations (10).

4. A hardware fastener with a protective cover according to claim 2, characterized in that: The upper wedge-shaped locking washer (7) and the lower wedge-shaped locking washer (8) are both sleeved on the outer side of the bolt (1), and the upper wedge-shaped locking washer (7) and the lower wedge-shaped locking washer (8) are arranged at the bottom of the top head (2).

5. A hardware fastener with a protective cover according to claim 1, characterized in that: A groove (11) is provided inside the top head (2), and the size of the groove (11) is adapted to that of an internal angle wrench.

6. A hardware fastener with a protective cover according to claim 1, characterized in that: The inner wall of the nut (3) is provided with a placement groove (12), and a sealing ring (13) is fixed to the inner wall of the placement groove (12). The material of the sealing ring (13) is set to be rubber, and the size of the sealing ring (13) is adapted to the placement groove (12).

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