Rust-proof screw

Abstract

The utility model relates to the technical field of bolts, in particular to a rust-proof screw which comprises a bolt body provided with an end portion and a thread portion, the end portion is provided with a first containing groove, a second containing groove and a first through hole communicated with the first containing groove and the second containing groove, the first containing groove is used for containing rust-proof liquid, and the second containing groove is used for containing rust-proof liquid. A second through hole is formed in the second accommodating groove and penetrates through the joint of the thread part and the end part; the first flow guide part is arranged in the first through hole, one end of the first flow guide part is arranged in the first containing groove, and the other end of the first flow guide part extends to the second containing groove; the second flow guide part is arranged in the second containing groove, one end of the second flow guide part is connected with the other end of the first flow guide part, and the other end of the second flow guide part extends to the second through hole. The utility model discloses a rust-proof screw, and aims to provide a technical scheme that the abutting surface of the screw and a fixed object is not easy to rust.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, and more specifically, to a rust-proof screw. Background Art

[0002] The Chinese utility model patent with the announcement number CN209100445U discloses a rust-proof screw, including a screw body, a rust removal device and a rotation protection device. The rotation protection device includes a nut, an outer hexagonal block, an inner hexagonal block, an inner groove, a cross groove, a rivet, a cap, a soft plate, a protective cover, a hexagonal groove, a connecting column and a fixed block; the rust removal device includes a connecting groove, a limit rod, a gasket, a tooth piece and a thread groove. The rust-proof screw disclosed in the announcement number prevents rust by adding a protective cover to the screw body to prevent the screw from contacting with the air, and on the other hand, a tooth piece is provided on the thread column of the screw to remove rust from the rusted thread.

[0003] However, in actual setting, it is usually necessary to abut the end face of the screw against the object to be fixed so that static friction is formed between the two to prevent the bolt from loosening. The rust-proof screws disclosed in this announcement number will destroy this usage method and reduce the practicality of the screw. In addition, in actual use, the screws usually rust on the abutment surface with the object to be fixed. The rust on the abutment surface will cause the screw and the object to be fixed to be connected together, increasing the force required to separate the two.

[0004] Therefore, it is necessary to design a rust-proof screw that can prevent the contact surface between the screw and the fixed object from rusting easily. Utility Model Content

[0005] The main purpose of the utility model is to provide a rust-proof screw, aiming to provide a technical solution in which the contact surface between the screw and the fixed object is not easy to rust.

[0006] In order to solve the above technical problems, a rust-proof screw is proposed, comprising: a bolt body, provided with an end portion and a threaded portion, the end portion being provided with a first receiving groove and a second receiving groove, and being provided with a first through hole connecting the first receiving groove and the second receiving groove, the first receiving groove being used to place rust-proof liquid, the second receiving groove being provided with a second through hole, and the second through hole penetrating the connection between the threaded portion and the end portion;

[0007] A first flow guide member is disposed in the first through hole, and one end of the first flow guide member is disposed in the first containing groove, and the other end of the first flow guide member extends to the second containing groove;

[0008] The second flow guide is disposed in the second accommodating groove, and one end of the second flow guide is connected to the other end of the first flow guide, and the other end of the second flow guide extends to the second through hole.

[0009] In any of the above technical solutions, further, it also includes a separator;

[0010] The partition is spirally arranged in the second containing groove, and the side wall of the partition is arranged in close contact with the side wall of the second containing groove, and the second flow guide is spirally arranged in the partition.

[0011] In any of the above technical solutions, further, it also includes: a guide pad;

[0012] It is arranged at the connection between the end portion and the threaded portion and corresponds to the second through hole.

[0013] In any of the above technical solutions, further, it also includes: a cover;

[0014] The end portion is opened away from one end of the threaded portion, and the cover is closed on the opening.

[0015] In any of the above technical solutions, further, the cover is provided with a slot adapted to the end of the end portion away from the threaded portion.

[0016] In any of the above technical solutions, further, the first flow guide and the first through hole are evenly arranged in a plurality of circumferences;

[0017] And / or; the second through holes are evenly arranged in multiple shapes around the circumference.

[0018] The beneficial effects are:

[0019] 1. The rust-proof screw of the utility model is provided with rust-proof liquid through the first receiving groove, and a second through hole is provided at the connection between the threaded portion and the end portion and the bottom of the second receiving groove to connect the two, and then a first flow guide is provided at the first through hole connecting the first receiving groove and the second receiving groove, and a second flow guide is provided in the second receiving groove, so that the rust-proof liquid in the first receiving groove can flow to the second through hole, so that the connection between the threaded portion and the end portion is always protected by the rust-proof liquid;

[0020] 2. By setting the first accommodating groove and the second accommodating groove, the rust-proof liquid in the first accommodating groove will not directly act on the second through hole, but the rust-proof liquid will be guided to the second through hole by the first guide member and the second guide member to control the use speed of the rust-proof liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the cross-sectional structure of a rust-proof screw of the utility model;

[0023] Figure 2 The utility model is a schematic diagram of the explosion structure of a rust-proof screw.

[0024] The following are the descriptions of the reference numerals:

[0025] 1. Bolt body; 101. End portion; 102. Threaded portion; 103. First receiving groove; 104. Second receiving groove; 105. First through hole; 106. Second through hole;

[0026] 2. A first flow guide;

[0027] 3. The second flow guide;

[0028] 4. Separator;

[0029] 5. Guide pad;

[0030] 6. Cover. DETAILED DESCRIPTION

[0031] Below, the example embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited to the example embodiments described herein. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0032] It should be noted that, as shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not specifically refer to the singular, but may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or device may also include other steps or elements.

[0033] If the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0036] The utility model proposes an anti-rust screw, which is mainly provided with a first receiving groove 103 and a second receiving groove 104 in an end portion 101 of the screw, and then the anti-rust liquid in the first receiving groove 103 is guided to the second through hole 106 in the second receiving groove 104 through the cooperation of the first guide member 2 and the second guide member 3, and then flows to the connection between the end portion 101 and the threaded portion 102 through the second through hole 106, so as to perform anti-rust treatment between the screw and the fixed object.

[0037] The rust-proof screws of the present application are described in detail through the following embodiments.

[0038] In this embodiment, if Figure 1 and Figure 2 As shown, the rust-proof screw includes:

[0039] The bolt body 1 is provided with an end portion 101 and a threaded portion 102. The end portion 101 is provided with a first receiving groove 103 and a second receiving groove 104, and a first through hole 105 connecting the first receiving groove 103 and the second receiving groove 104. The first receiving groove 103 is used to place the rust-proof liquid. The second receiving groove 104 is provided with a second through hole 106. The second through hole 106 passes through the connection between the threaded portion 102 and the end portion 101.

[0040] The first flow guide member 2 is disposed in the first through hole 105, and one end of the first flow guide member 2 is disposed in the first receiving groove 103, and the other end of the first flow guide member 2 extends to the second receiving groove 104;

[0041] The second flow guide member 3 is disposed in the second accommodating groove 104 , and one end of the second flow guide member 3 is connected to the other end of the first flow guide member 2 , and the other end of the second flow guide member 3 extends to the second through hole 106 .

[0042] In the present technical solution, the bolt body 1 is vertically arranged, the upper side with a larger diameter is the end portion 101, and the lower side with a smaller diameter is the threaded portion 102. The threaded portion 102 is integrally arranged on the lower end surface of the end portion 101, and the connection between the threaded portion 102 and the end portion 101 is a plane. The end portion 101 is coaxially provided with a first receiving groove 103 and a second receiving groove 104. The second receiving groove 104 surrounds the outside of the first receiving groove 103. At least one first through hole 105 extending outward is arranged on the peripheral side of the top surface of the first receiving groove 103. The bottom surface of the second receiving groove 104 is lower than the bottom surface of the first receiving groove 103. The second through hole 106 is arranged on the bottom surface of the second receiving groove 104, and the second through hole 106 extends downward to the bottom surface of the end portion 101.

[0043] The first guide member 2 and the second guide member 3 are configured as a porous structure such as a cotton strip or a cloth strip that can guide the flow of the rust-proof liquid; the inner end of the first guide member 2 extends to the bottom surface of the first receiving groove 103, and the outer end of the first guide member 2 passes through the first through hole 105 and is laid in the second receiving groove 104. The second guide member 3 is vertically, obliquely or spirally arranged in the second receiving groove 104, and the bottom end of the second guide member 3 is located lower than the bottom surface of the first receiving groove 103, so that the rust-proof liquid in the first receiving groove 103 can move to the second through hole 106 in the guiding direction of the first guide member 2 and the second guide member 3.

[0044] In this embodiment, a separator 4 is also included;

[0045] The partition 4 is spirally disposed in the second receiving groove 104 , and the side wall of the partition 4 is disposed in close contact with the side wall of the second receiving groove 104 . The second flow guide 3 is spirally disposed in the partition 4 .

[0046] In the present technical solution, the separator 4 is a spiral plate-shaped member, fixed in the second receiving groove 104, and the inner and outer sides of the separator 4 are respectively in contact with the inner and outer side surfaces of the second receiving groove 104, thereby dividing the second receiving groove 104 into a spiral channel, and the second flow guide 3 is in the same spiral shape as the separator 4 and is arranged on the separator 4. This arrangement increases the flow distance of the rust-proof liquid in the second receiving groove 104 and slows down the flow speed.

[0047] In this embodiment, it also includes: a guide pad 5;

[0048] It is disposed at the connection between the end portion 101 and the threaded portion 102 and is disposed corresponding to the second through hole 106 .

[0049] In the present technical solution, the guide pad 5 is made of the same material as the first guide member 2, which is a porous structure such as a cotton strip or a cloth strip, and is fixed to the bottom surface of the end portion 101. When the guide pad 5 is not provided, the bottom surface of the end portion 101 and the fixed object are in hard contact, so that the rust-proof liquid cannot be evenly distributed or flowed between the contact surfaces of the two. The guide pad 5 can guide the flow of the rust-proof liquid between the contact surfaces of the two, and can also improve the retention capacity of the rust-proof liquid at this location.

[0050] In this embodiment, it also includes: a cover member 6;

[0051] One end of the end portion 101 away from the threaded portion 102 is open, and the cover 6 covers the opening; the cover 6 is provided with a slot adapted to the end portion of the end portion 101 away from the threaded portion 102 .

[0052] In the present technical solution, the opening of the top surface of the end portion 101 is set to be a regular hexagon, and the opening extends downward to communicate with the first receiving groove 103, so that the rust-proof liquid can be added into the first receiving groove 103 through the opening. The bottom surface of the cover 6 is provided with a slot that matches the shape of the top surface of the end portion 101, and the outer side surface of the slot is circular and the inner side surface is a regular hexagon. This arrangement enables the first receiving groove 103 and the second receiving groove 104 to be relatively sealed, on the one hand, avoiding the external environment from affecting the rust-proof liquid in the first receiving groove 103, and on the other hand, a relative vacuum or closed environment can be formed at the first receiving groove 103 and the second receiving groove 104 after the cover is closed, so that most of the external gas enters the closed environment or vacuum environment through the second through hole 106 and the second receiving groove 104, thereby improving the retention capacity of the rust-proof liquid at the second through hole 106.

[0053] In this embodiment, the first flow guide 2 and the first through hole 105 are evenly arranged in a plurality around the circumference;

[0054] And / or; the second through holes 106 are evenly arranged in multiple shapes around the circumference.

[0055] In the present technical solution, the first flow guide 2 and the first through holes 105 are evenly arranged in six numbers around the circumference and are arranged one by one. The second through holes 106 are evenly arranged in eight numbers around the circumference.

[0056] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A rust-proof screw, characterized in that: include: A bolt body (1) is provided with an end portion (101) and a threaded portion (102); the end portion (101) is provided with a first receiving groove (103) and a second receiving groove (104), and is provided with a first through hole (105) communicating with the first receiving groove (103) and the second receiving groove (104); the first receiving groove (103) is used to place rust-proof liquid; the second receiving groove (104) is provided with a second through hole (106); the second through hole (106) passes through the connection between the threaded portion (102) and the end portion (101); A first flow guide member (2) is arranged in the first through hole (105), and one end of the first flow guide member (2) is arranged in the first containing groove (103), and the other end of the first flow guide member (2) extends to the second containing groove (104); The second flow guide member (3) is arranged in the second accommodating groove (104), and one end of the second flow guide member (3) is connected to the other end of the first flow guide member (2), and the other end of the second flow guide member (3) extends to the second through hole (106).

2. The rust-proof screw according to claim 1, characterized in that: Also includes a separator (4); The partition (4) is spirally arranged in the second containing groove (104), and the side wall of the partition (4) is arranged in close contact with the side wall of the second containing groove (104), and the second flow guide (3) is spirally arranged in the partition (4).

3. The rust-proof screw according to claim 1, characterized in that: Also includes: diversion Pad (5); It is arranged at the connection between the end portion (101) and the threaded portion (102), and is arranged corresponding to the second through hole (106).

4. The rust-proof screw according to claim 1, characterized in that: Also includes: Cover (6); The end portion (101) is provided with an opening at one end away from the threaded portion (102), and the cover (6) covers the opening.

5. The rust-proof screw according to claim 4, characterized in that: The cover (6) is provided with a slot adapted to the end of the end portion (101) away from the threaded portion (102).

6. The rust-proof screw according to claim 1, characterized in that: The first flow guide (2) and the first through hole (105) are evenly arranged in a plurality around the circumference; And / or; the second through holes (106) are evenly arranged in multiple numbers around the circumference.

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