Anti-corrosion lock bolt device

Abstract

The utility model discloses an anti-corrosion lock bolt device which comprises a bolt piece, a nut piece and an abutting piece, the nut piece is provided with a first screw hole, the nut piece is arranged on a stud of the bolt piece in a sleeved mode through the screw hole, the first screw hole is connected with the stud through a first thread structure, and the abutting piece is provided with a second thread structure. The nut part is provided with a first glue injection hole communicated with the first screw hole and an assembly hole communicated with the first screw hole, the first glue injection hole is used for injecting packaging glue, the assembly hole extends in the radial direction of the first screw hole, and the abutting part penetrates through the assembly hole to abut the packaging glue against the side wall of the stud. The design is firm and tight in connection and effective in corrosion prevention.

Description

Technical Field

[0001] The utility model relates to the technical field of offshore power equipment assembly components, in particular to an anti-corrosion and anti-loosening bolt device. Background Art

[0002] For power equipment built at sea, the traditional connection method is to use welding to connect steel structural components such as the shell. Nowadays, modular structures are gradually adopted, and the shell is in the form of a container. Now, compact container shells are used to install electrical equipment on land, and then the entire station is built and transported to the sea for installation, which saves costs. However, since welding is required to assemble the shell on the power station, offshore construction is relatively troublesome.

[0003] Some power stations will consider trying to use bolts and other connection methods, but they will be constantly impacted by waves at sea. After the nut is tightened on the stud, the teeth will fit closely together and generate friction, thereby preventing the nut and stud from loosening. The axial low-frequency vibration formed by the waves will reduce the friction between the stud and the nut, causing the stud and the nut to loosen. In addition, the humidity and salt spray at sea are relatively severe, which can easily cause corrosion to the studs and nuts. Therefore, bolts and other connection methods are difficult to use in offshore power stations. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an anti-corrosion and anti-loosening bolt device, which has a firm and tight connection and is effectively anti-corrosive.

[0005] According to the first aspect of the utility model, an anti-corrosion and anti-loosening bolt device includes: a bolt member; a nut member, the nut member is provided with a first screw hole, the nut member is sleeved on the stud of the bolt member through the screw hole, and the first screw hole and the stud are connected through a first threaded structure, wherein the nut member is provided with a first injection hole connected to the first screw hole and an assembly hole connected to the first screw hole, the first injection hole is used for injecting packaging colloid, and the assembly hole extends radially along the first screw hole; a pressing member, which is passed through the assembly hole to press the packaging colloid against the side wall of the stud.

[0006] An anti-corrosion and anti-loosening bolt device according to an embodiment of the utility model has at least the following beneficial effects:

[0007] The utility model discloses an anti-corrosion and anti-loosening bolt device, wherein the stud of the bolt member is penetrated on the structural member, the nut member is sleeved on the stud member through the screw hole, and the encapsulating colloid is poured through the first glue injection hole so that the encapsulating colloid fills the gap between the teeth of the first thread structure, the encapsulating colloid has good anti-corrosion performance, can effectively prevent water vapor and salt spray from corroding the surface of the teeth, and ensure the friction between the teeth and the teeth and the encapsulating colloid. In addition, the pressing piece is also penetrated in the assembly hole to press the encapsulating colloid against the side wall of the stud, and since the assembly hole extends along the radial direction of the first screw hole, the pressing piece applies radial pressure to the encapsulating colloid and the stud, and the encapsulating colloid is more compact, so that the encapsulating colloid is tightened in the gap between the nut member and the stud in a limited space, and at the same time, the encapsulating colloid is more closely attached to the outer surface of the stud, which greatly enhances the axial friction between the stud and the nut member, can effectively prevent the relative axial movement of the stud and the nut member, and the stud and the nut member are difficult to loosen. The design is firmly and tightly connected and effectively prevents corrosion.

[0008] According to some embodiments of the present invention, the assembly hole is a second screw hole, and the pressing member is inserted into the second screw hole through a second threaded structure.

[0009] According to some embodiments of the utility model, there are multiple assembly holes, and the multiple assembly holes are evenly arranged around the peripheral wall of the nut member. There are multiple pressing members, and the pressing members are arranged in a one-to-one correspondence with the assembly holes.

[0010] According to some embodiments of the present utility model, there are multiple first glue injection holes, and the multiple first glue injection holes are evenly arranged around the peripheral wall of the nut member.

[0011] According to some embodiments of the utility model, there are a plurality of the assembly holes and the first glue injection holes, and the plurality of the assembly holes and the plurality of the first glue injection holes are alternately arranged around the peripheral wall of the nut member.

[0012] According to some embodiments of the present utility model, the assembly hole and the first glue injection hole are the same through hole.

[0013] According to some embodiments of the present invention, the diameter of the first glue injection hole is smaller than that of the assembly hole.

[0014] According to some embodiments of the present invention, a plurality of anti-slip grooves are provided on the outer peripheral wall of the stud, the anti-slip grooves extend along the axial direction of the stud, and the plurality of anti-slip grooves are arranged along the circumferential direction of the stud.

[0015] According to some embodiments of the utility model, the anti-corrosion and anti-loosening bolt device also includes a protective cover, which is arranged on the end of the stud and the nut member, and a second glue injection hole is provided on the protective cover, and the second glue injection hole is used to inject packaging colloid to fill the gap between the inner wall of the protective cover and the stud and the nut member.

[0016] According to some embodiments of the present invention, the protective cover is connected to the stud via a third threaded structure.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is an axial cross-sectional view of one embodiment of the anti-corrosion and anti-loosening bolt device of the utility model;

[0020] Figure 2 A front view of one embodiment of a nut member;

[0021] Figure 3 This is a radial cross-sectional view of one embodiment of the anti-corrosion and anti-loosening bolt device of the utility model;

[0022] Figure 4 A radial cross-sectional view of one embodiment of a stud.

[0023] Reference numerals:

[0024] The stud 100 , the anti-slip groove 110 , the nut member 200 , the first screw hole 210 , the first glue injection hole 220 , the assembly hole 230 , the pressing member 300 , the encapsulating colloid 400 , the protective cover 500 , the second glue injection hole 510 , the plate member 600 , and the mounting hole 610 . DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientations or positional relationships indicated by terms such as "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside", etc., are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figure 1-4 As shown, an anti-corrosion and anti-loosening bolt device according to an embodiment of the first aspect of the utility model includes a bolt member, a nut member 200 and a pressing member 300, the nut member 200 is provided with a first screw hole 210, the nut member 200 is sleeved on the stud 100 of the bolt member through the screw hole, and the first screw hole 210 is connected to the stud 100 through a first threaded structure, wherein the nut member 200 is provided with a first injection hole 220 connected to the first screw hole 210 and an assembly hole 230 connected to the first screw hole 210, the first injection hole 220 is used to inject the packaging colloid 400, the assembly hole 230 extends along the radial direction of the first screw hole 210, and the pressing member 300 is penetrated through the assembly hole 230 to press the packaging colloid 400 against the side wall of the stud 100.

[0030] Among them, the bolt usually includes a bolt head and a stud 100, one end of the stud 100 is connected to the bolt head, and the outer peripheral wall of the stud 100 is provided with an external thread. The anti-corrosion and anti-loosening bolt device is usually used for connecting at least two plate components 600. The plate component 600 is provided with mounting holes 610, and the stud 100 passes through each mounting hole 610 in turn. The bolt head abuts against the surface of the plate component 600 at the head end, and the stud 100 passing through the plate component 600 at the tail end can be connected to the nut member 200. After connection, the nut member 200 abuts against the surface of the plate component 600 at the tail end.

[0031] It should be noted that the bolt may also only include a stud 100, which passes through each mounting hole 610 in sequence. The head end of the stud 100 is connected to one of its nut parts 200, and one of the nut parts 200 abuts against the surface of the plate component 600 at the head end, while the tail end of the stud 100 is connected to another nut part 200, and the other nut part 200 abuts against the surface of the plate component 600 at the tail end.

[0032] In addition, the first thread structure is an external thread of the stud 100 and an internal thread inside the first screw hole 210 , and the encapsulating colloid 400 is an anti-corrosion material, specifically, an anti-corrosion resin or the like.

[0033] When pouring the packaging colloid 400, an electric injection gun can be used to operate. The electric injection gun is inserted into the first injection hole 220, and the resin is injected into the nut member 200 from the first injection hole 220. After the packaging colloid 400 is injected, the extension part of the electric injection gun can be used to vibrate and pressurize to remove the pores in the packaging colloid 400, and the internal pressure can be detected by a pressure detection probe. After the pressure is qualified, the pressure piece 300 can be used to access the assembly hole 230.

[0034] The utility model anti-corrosion and anti-loosening bolt device, the stud 100 of the bolt member is inserted into the structural member, the nut member 200 is sleeved on the stud 100 through the screw hole, and the encapsulation colloid 400 is poured through the first injection hole 220, so that the encapsulation colloid 400 fills the gap between the teeth of the first thread structure. The encapsulation colloid 400 has good anti-corrosion performance, can effectively prevent water vapor and salt spray from corroding the surface of the teeth, and ensure the friction between the teeth and the encapsulation colloid 400. In addition, the pressing member 300 is also inserted into the assembly hole 230 to press the encapsulation colloid 400 against the side wall of the stud 100. The matching hole 230 extends radially along the first screw hole 210, and the pressing member 300 applies radial pressure to the encapsulating colloid 400 and the stud 100, so that the encapsulating colloid 400 is more compact, and the encapsulating colloid 400 is tightened in the gap between the nut member 200 and the stud 100 within a limited space. At the same time, the encapsulating colloid 400 is more closely attached to the outer surface of the stud 100, which greatly enhances the axial friction between the stud 100 and the nut member 200, and can effectively prevent the relative axial movement of the stud 100 and the nut member 200. The stud 100 and the nut member 200 are difficult to loosen. The design is firmly and tightly connected and effectively prevents corrosion.

[0035] In some embodiments of the present invention, the assembly hole 230 is a second screw hole, and the pressing piece 300 is inserted into the second screw hole through a second threaded structure. The pressing piece 300 is connected to the assembly hole 230 through the second threaded structure, so that the pressing piece 300 is more tightly and firmly assembled on the nut member 200, thereby applying a stable pressing force on the stud 100. At the same time, as the pressing piece 300 is screwed in, the encapsulation colloid 400 can be slowly squeezed to squeeze out the bubbles remaining in the encapsulation colloid 400. In addition, since the encapsulation colloid 400 has a certain elasticity, no matter how much the encapsulation colloid 400 is injected, the pressing piece 300 can be better slowly screwed in and locked along the second threaded structure to maintain good connection stability.

[0036] In some embodiments of the present invention, the pressing member 300 may also be connected to the nut member 200 by means of snap fastening or gluing.

[0037] In some embodiments of the present invention, Figure 3 As shown, there are a plurality of assembly holes 230 , which are evenly arranged around the peripheral wall of the nut member 200 , and there are a plurality of pressing members 300 , which are arranged one-to-one correspondingly to the assembly holes 230 .

[0038] In the circumferential direction of the stud 100 , each pressing member 300 can evenly apply force to the stud 100 and the encapsulating colloid 400 on the outer surface of the stud 100 , so that the nut member 200 is more tightly mounted on the stud 100 and is not easy to loosen.

[0039] In some embodiments of the present invention, Figure 3 As shown, there are a plurality of first glue injection holes 220 , and the plurality of first glue injection holes 220 are evenly arranged around the peripheral wall of the nut member 200 .

[0040] Through the circumferentially arranged multiple first glue injection holes 220, the encapsulating colloid 400 can be evenly filled between the inner wall of the nut part 200 and the outer wall of the stud 100, ensuring that the encapsulating colloid 400 is fully filled in the circumference of the stud 100, reducing the existence of gaps and bubbles, and at the same time ensuring good friction between the nut part 200 and the stud 100 in all directions.

[0041] In some embodiments of the present invention, Figure 3 As shown, there are a plurality of the assembly holes 230 and a plurality of the first glue injection holes 220 , and the plurality of the assembly holes 230 and the plurality of the first glue injection holes 220 are alternately arranged around the peripheral wall of the nut member 200 .

[0042] The assembly holes 230 and the first injection holes 220 are alternately arranged to ensure that the assembly holes 230 are arranged near the first injection holes 220. After the encapsulation colloid 400 is injected into the gap between the nut member 200 and the stud 100 from the first injection hole 220, it is easier to enter the assembly hole 230. The pressing member 300 can be inserted from the assembly hole 230, and the end of the pressing member 300 can be pressed in the encapsulation colloid 400, thereby squeezing the encapsulation colloid 400 into the gap between the nut member 200 and the stud 100 again, increasing the pressure of the encapsulation colloid 400, making it easier to discharge bubbles, and ensuring that the encapsulation colloid 400 is tightly connected to the stud 100 and the nut member 200 respectively.

[0043] In some embodiments of the present invention, the assembly hole 230 and the first glue injection hole 220 are the same through hole. The assembly hole 230 and the first glue injection hole 220 use the same through hole. The encapsulation colloid 400 can be injected from the same through hole, and the pressing member 300 is then passed through the through hole into the nut member 200, thereby reducing the processing technology for the nut member 200 and reducing the processing cost.

[0044] In some embodiments of the present invention, the diameter of the first glue injection hole 220 is smaller than that of the assembly hole 230 .

[0045] Generally speaking, the staff injects the packaging colloid 400 into the gap between the nut 200 and the stud 100 from the first injection hole 220 through an electric injection gun with pressurization capability, and then part of the packaging colloid 400 enters the assembly hole 230, and the pressing piece 300 penetrates from the assembly hole 230, and at the same time, the end of the pressing piece 300 presses the packaging colloid 400. At this time, the packaging colloid will flow back from the first injection hole 220. Since the aperture of the first injection hole 220 is smaller than the assembly hole 230, the packaging colloid 400 is subject to greater resistance at the first injection hole 220, which can provide pressure to the internal packaging colloid 400, so that the internal bubbles are discharged as much as possible.

[0046] In some embodiments of the present invention, Figure 4 As shown, a plurality of anti-slip grooves 110 are provided on the outer peripheral wall of the stud 100 , and the anti-slip grooves 110 extend along the axial direction of the stud 100 . The plurality of anti-slip grooves 110 are arranged along the circumferential direction of the stud 100 .

[0047] When the encapsulation colloid 400 is injected into the gap between the nut member 200 and the stud 100, and the pressing member 300 is inserted into the assembly hole 230, the encapsulation colloid 400 will enter the anti-slip groove 110 and solidify. The concave and convex clamping structure limits the rotation of the nut member 200 and the stud 100. At the same time, in some cases, the end of the pressing member 300 can also enter the anti-slip groove 110. The end of the pressing member 300 cooperates with the solidified encapsulation colloid 400 and is firmly clamped with the anti-slip groove 110, further optimizing the anti-loosening performance.

[0048] In some embodiments of the present invention, Figure 1 As shown, the anti-corrosion and anti-loosening bolt device also includes a protective cover 500, which is arranged on the end of the stud 100 and the nut member 200, and a second glue injection hole 510 is provided on the protective cover 500, and the second glue injection hole 510 is used to inject the packaging colloid 400 to fill the gap between the inner wall of the protective cover 500 and the stud 100 and the nut member 200.

[0049] The stud 100 is passed through the mounting hole 610, and at least one end of the stud 100 is exposed from the mounting hole 610 and then connected to the nut member 200. After being connected to the nut member 200, a protective cover 500 can be used to cover the end of the stud 100 and the nut member 200. The staff can use an electric injection gun to inject the packaging colloid 400 into the second injection hole 510, and use the extension part of the electric injection gun to vibrate and pressurize to remove the air holes in the packaging colloid 400.

[0050] In some embodiments of the utility model, the protective cover 500 is connected to the stud 100 via a third threaded structure. Specifically, the third threaded structure is an internal thread provided on the inner wall of the protective cover 500. The internal thread of the protective cover 500 is connected to the external thread of the stud 100. The protective cover 500 is first fixed to the stud 100, and then the encapsulation colloid 400 is filled to make the structure tighter.

[0051] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0052] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. An anti-corrosion and anti-loosening bolt device, characterized in that: include: Bolt parts; A nut member, wherein the nut member is provided with a first screw hole, the nut member is sleeved on the stud of the bolt member through the screw hole, and the first screw hole is connected to the stud through a first threaded structure, wherein the nut member is provided with a first glue injection hole communicated with the first screw hole and an assembly hole communicated with the first screw hole, the first glue injection hole is used to inject packaging colloid, and the assembly hole extends along the radial direction of the first screw hole; The pressing piece is arranged through the assembly hole to press the packaging colloid against the side wall of the stud.

2. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: The assembly hole is a second screw hole, and the pressing member is inserted into the second screw hole through a second threaded structure.

3. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: There are a plurality of assembly holes, which are evenly arranged around the peripheral wall of the nut member; there are a plurality of pressing members, which are arranged in one-to-one correspondence with the assembly holes.

4. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: There are a plurality of first glue injection holes, and the plurality of first glue injection holes are evenly arranged around the peripheral wall of the nut member.

5. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: There are a plurality of the assembly holes and the first glue injection holes, and the plurality of the assembly holes and the plurality of the first glue injection holes are alternately arranged around the peripheral wall of the nut member.

6. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: The assembly hole and the first glue injection hole are the same through hole.

7. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: The first glue injection hole has a smaller diameter than the assembly hole.

8. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: A plurality of anti-slip grooves are arranged on the outer peripheral wall of the stud, the anti-slip grooves extend along the axial direction of the stud, and the plurality of anti-slip grooves are arranged along the circumferential direction of the stud.

9. The anti-corrosion and anti-loosening bolt device according to claim 1, characterized in that: It also includes a protective cover, which is arranged on the end of the stud and the nut. The protective cover is provided with a second glue injection hole, which is used to inject packaging colloid to fill the gap between the inner wall of the protective cover and the stud and the nut.

10. The anti-corrosion and anti-loosening bolt device according to claim 9, characterized in that: The protective cover is connected to the stud via a third thread structure.

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