Anti-rust bolt

Abstract

The utility model relates to a rust-proof bolt in the technical field of rust prevention of bolts, which comprises a bolt body, and the bolt body comprises a head and a screw. And a vertical oil storage groove is formed in the outer surface of the screw rod. Lubricating oil or anti-rust oil is placed in the oil storage groove, the anti-rust effect on the bolt is achieved, the structure is simple and direct, the lubricating oil or the anti-rust oil makes direct contact with a target object during use, and the anti-rust effect is improved. The anti-rust bolt is simple and reasonable in structure, low in cost and convenient to use, can be subjected to dual rust prevention, and avoids the situation that the bolt is rusted in the using process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rustproof bolt, concretely relates to a rustproof dead bolt. BACKGROUND

[0002] Bolt is by the head and the screw rod (cylinder with external thread) two parts constitute a kind of fastener, it is used for fastening connection two with through hole parts with nut, currently, bolt is used, because thread connection is relatively close, in the use process especially in damp environment, bolt is easy to rust, lead to rust dead at thread connection, it is inconvenient to disassemble, reduce the service life of bolt. Therefore, need a kind of rustproof dead bolt to solve the above technical problems. CONTENT OF UTILITY MODEL

[0003] To the above-mentioned defects of prior art, the utility model provides a rustproof dead bolt, including bolt body, the bolt body includes head and screw rod, the outer surface of the screw rod is equipped with vertical oil storage groove. By placing lubricating oil or rust preventive oil in oil storage groove, the effect of rustproof dead is played to bolt, the structure is simple and direct, and the lubricating oil or rust preventive oil directly contacts target object when being used, and the rustproof dead effect is improved.

[0004] Preferably, the oil storage groove is uniformly distributed with a plurality of oil outlet holes one along the length direction, the screw rod is equipped with an oil inlet cavity, the oil inlet cavity is equipped with a matching oil storage rod, the central axis of the oil storage rod coincides with the central axis of the screw rod, the oil storage rod is equipped with an oil storage cavity, a plurality of oil outlet holes two that communicate with the oil storage cavity are arranged on the oil storage rod, the oil outlet holes two correspond to the oil outlet holes one, the top of the oil storage rod is connected with a connecting rod, the upper end of the connecting rod penetrates the head and is connected with a plug, the head is equipped with a containing groove matched with the plug, the plug is equipped with an oil inlet channel, the oil inlet channel communicates with the oil storage cavity after penetrating the connecting rod, the top of the oil inlet channel is matched with a stopper, and the stopper can be a rubber plug.

[0005] It needs to be explained that the setting can avoid the situation that only the lubricating oil or rust preventive oil in the oil storage groove is insufficient to prevent rust. Specifically, by opening the stopper, lubricating oil or rust preventive oil is introduced into the oil storage rod, at this time, the oil outlet holes one and the oil outlet holes two do not correspond one by one, to ensure that the lubricating oil or rust preventive oil can fill the oil storage cavity and then close the stopper. When only the lubricating oil or rust preventive oil in the oil storage groove is insufficient to prevent rust during the use of the bolt, the stopper is opened, the plug is pressed to make the oil storage rod move down, the oil outlet holes one and the oil outlet holes two correspond one by one, the lubricating oil or rust preventive oil enters the oil storage groove from the oil outlet holes two through the oil outlet holes one, and then contacts the bolt and target object again to play the lubricating and rustproof effect.

[0006] Preferably, the top of the oil storage rod extends into the head and is fixedly connected with a guide sliding block, a guide sliding groove is arranged in the head corresponding to the guide sliding block, the sliding block is slidingly arranged in the guide sliding groove, the top end of the oil storage rod is rotatably connected with a connecting rod through a bearing, and the outer wall of the connecting rod is provided with external threads.

[0007] It should be noted that the connecting rod drives the oil storage rod to move up and down by rotating the plug, and in the moving process, the connecting rod does not rotate and deviate under the cooperation of the guide sliding block and the guide sliding groove, thereby ensuring the accuracy of the correspondence between the oil outlet hole one and the oil outlet hole two.

[0008] Preferably, the upper surface of the plug is provided with a cross key.

[0009] Preferably, the diameter of the oil storage rod is not less than the diameter of the connecting rod, and the arrangement can ensure smooth downward movement of the oil storage rod.

[0010] Preferably, the oil storage groove is located at the middle of the screw rod and accounts for 2 / 3 of the length of the screw rod. The arrangement can reduce the leakage of lubricating oil.

[0011] The utility model also includes other components that can make a rustproof dead bolt normally use, and are all conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as plugging, head, etc. all adopt conventional technical means and conventional equipment in the field.

[0012] Working principle: by placing lubricating oil or rust-proof oil in the oil storage groove, the lubricating oil or rust-proof oil directly contacts the target object during use, thereby improving the rust-proof dead effect; meanwhile, the lubricating oil or rust-proof oil can also be stored in the oil storage rod, when the oil storage rod stores the lubricating oil or rust-proof oil, the oil outlet hole one and the oil outlet hole two do not correspond one by one, after the installation of the bolt is completed, the connecting rod and the oil storage rod are moved downward, the oil outlet hole one and the oil outlet hole two correspond one by one, the lubricating oil or rust-proof oil enters the oil storage groove from the oil outlet hole two through the oil outlet hole one, and the bolt and the target object are infiltrated, thereby playing a lubricating and rust-proof effect.

[0013] The utility model has the advantages of simple and reasonable structure, low cost, effective rust-proof effect on the bolt, convenient use, and avoidance of rusting of the bolt during use. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further described below in combination with the drawings and examples.

[0015] Figure 1 It is a three-dimensional structure schematic view of a rustproof dead bolt in the utility model embodiment 1.

[0016] Figure 2It is a stereogram of the anti-rust dead bolt in the embodiment 2-3 of the utility model;

[0017] Figure 3 It is a top view of the anti-rust dead bolt in the embodiment 2 of the utility model; Figure 2

[0018] Figure 4 It is a sectional view of the anti-rust dead bolt in the embodiment 2 of the utility model at A-A; Figure 2

[0019] Figure 5 It is a sectional view of the anti-rust dead bolt in the embodiment 3 of the utility model at A-A; Figure 2

[0020] Figure 6 It is a state diagram when the oil outlet hole one and the oil outlet hole two correspond in the embodiment 3 of the utility model. Figure 5 In the drawing: 1, screw rod; 2, head; 3, oil storage groove; 4, oil outlet hole one; 5, plug; 6, cross key; 7, oil inlet cavity; 8, oil storage rod; 9, oil outlet hole two; 10, connecting rod; 11, oil inlet channel; 12, guide sliding block; 13, plugging; 14, containing groove; 15, guide sliding slot.

[0021] DETAILED DESCRIPTION

[0022] The utility model is clearly described below in combination with the drawings and specific embodiments in the embodiments of the utility model, and the description herein is only used to explain the utility model, but not as the limitation to the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor, any modification, equivalent replacement, improvement, etc. should be included in the protection scope of the utility model.

[0023] Embodiment 1

[0024] As shown in the drawing, the utility model provides a kind of anti-rust dead bolt, including bolt body, the bolt body includes head 2 and screw rod 1;The outer surface of the screw rod 1 is equipped with vertical oil storage groove 3.By placing lubricating oil or rust preventive oil in oil storage groove 3, the effect of rust prevention of bolt is played, and the structure is simple and direct, and lubricating oil or rust preventive oil is directly contacted with target object when using, improve rust prevention effect.The oil storage groove is located in the middle of screw rod and occupies 2 / 3 of screw rod length. Figure 1 Embodiment 2

[0025] As shown in the drawing, the utility model provides a kind of anti-rust dead bolt, including bolt body, the bolt body includes head 2 and screw rod 1;The outer surface of the screw rod 1 is equipped with vertical oil storage groove 3.By placing lubricating oil or rust preventive oil in oil storage groove 3, the effect of rust prevention of bolt is played, and the structure is simple and direct, and lubricating oil or rust preventive oil is directly contacted with target object when using, improve rust prevention effect.The oil storage groove is located in the middle of screw rod and occupies 2 / 3 of screw rod length.

[0026] Figures 2-4 ​​​​​The utility model provides a kind of rustproof dead bolt, including bolt body, the bolt body includes head 2 and screw rod 1;The outer surface of the screw rod 1 is equipped with vertical oil storage groove 3.Oil storage groove is located in the middle of screw rod and occupies 2 / 3 of screw rod length.By placing lubricating oil or rust-proof oil in oil storage groove 3, it plays a role of rustproof dead to bolt, and the structure is simple and direct, and lubricating oil or rust-proof oil is directly contacted with target object during use, to improve the rustproof dead effect.

[0027] Multiple oil outlet holes one 4 are evenly distributed in the length direction in the oil storage groove 3, the screw rod 1 is equipped with oil inlet cavity 7, the oil inlet cavity 7 is equipped with matched oil storage rod 8, the central axis of the oil storage rod 8 coincides with the central axis of the screw rod 1, the oil storage rod 8 is equipped with oil storage cavity, the oil storage rod 8 is equipped with multiple oil outlet holes two 9 communicated with oil storage cavity, the oil outlet holes two 9 correspond to the oil outlet holes one 4, the top of the oil storage rod 8 is connected with connecting rod 10, the upper end of the connecting rod 10 penetrates head 2 and is connected with plug 5, the head 2 is equipped with accommodating groove 14 matched with plug 5, the plug 5 is equipped with oil inlet channel 11, the oil inlet channel 11 is communicated with oil storage cavity after penetrating connecting rod 10, the top of the oil inlet channel 11 is matched with plugging 13, the plugging 13 can be rubber plug.This place can avoid the situation that only lubricating oil or rust-proof oil in oil storage groove 3 is insufficient to prevent rust.Specifically, by opening plugging 13, lubricating oil or rust-proof oil is introduced into oil storage rod 8, at this time, the oil outlet holes one 4 do not correspond to the oil outlet holes two 9, to ensure that lubricating oil or rust-proof oil can fill oil storage cavity and then close plugging 13.During the use of bolt, when only lubricating oil or rust-proof oil in oil storage groove 3 is insufficient to prevent rust, open plugging 13, press plug 5 to make oil storage rod 8 move down, the oil outlet holes one 4 correspond to the oil outlet holes two 9, lubricating oil or rust-proof oil enters oil storage groove 3 from the oil outlet holes two 9 through the oil outlet holes one 4, and then contacts bolt and target object to play the role of lubrication and rust prevention.The plug is fixed with a circle of antiskid layer on the contact surface with accommodating cavity, the antiskid layer is wear-resistant rubber layer, to prevent plug from sliding along accommodating cavity under no pressure effect.Improve the stability of oil storage rod.

[0028] The diameter of the oil storage rod 8 is not less than the diameter of the connecting rod 10, which can ensure the smooth movement of the oil storage rod 8.

[0029] Example 3

[0030] As Figure 2 , 3The utility model provides a rustproof dead bolt, including bolt body, the bolt body includes head 2 and screw rod 1, the outer surface of screw rod 1 is equipped with vertical oil storage groove 3, and the oil storage groove is located the middle part of screw rod and occupies 2 / 3 of screw rod length, by placing lubricating oil or rust preventive oil in oil storage groove 3, the rustproof dead effect is played to bolt, and the structure is simple and direct, and the lubricating oil or rust preventive oil directly contacts target object during use, and the rustproof dead effect is improved.

[0031] A plurality of oil outlet holes one 4 are evenly distributed in the length direction in the oil storage groove 3, the screw rod 1 is equipped with an oil inlet cavity 7, the oil inlet cavity 7 is equipped with a matching oil storage rod 8, the central axis of the oil storage rod 8 coincides with the central axis of the screw rod 1, the oil storage rod 8 is equipped with an oil storage cavity, a plurality of oil outlet holes two 9 that communicate with the oil storage cavity are arranged on the oil storage rod 8, the oil outlet holes two 9 correspond to the oil outlet holes one 4, the top of the oil storage rod 8 is connected with a connecting rod 10, the upper end of the connecting rod 10 penetrates the head 2 and is connected with a plug 5, the head 2 is equipped with a containing groove 14 matched with the plug 5, the plug 5 is equipped with an oil inlet channel 11, the oil inlet channel 11 communicates with the oil storage cavity after penetrating the connecting rod 10, the top of the oil inlet channel 11 is matched with a plugging 13, and the plugging 13 can be a rubber plug. The setting can avoid the situation that the lubricating oil or rust preventive oil in the oil storage groove 3 is insufficient to prevent rust. Specifically, by opening the plugging 13, the lubricating oil or rust preventive oil is introduced into the oil storage rod 8, at this time, the oil outlet holes one 4 do not correspond to the oil outlet holes two 9, and it is ensured that the lubricating oil or rust preventive oil can fill the oil storage cavity and then the plugging 13 is closed. During the use of the bolt, when the lubricating oil or rust preventive oil in the oil storage groove 3 is insufficient to prevent rust, the plugging 13 is opened, the plug 5 is pressed to make the oil storage rod 8 move downward, the oil outlet holes one 4 correspond to the oil outlet holes two 9 one by one, the lubricating oil or rust preventive oil enters the oil storage groove 3 from the oil outlet holes two 9 through the oil outlet holes one 4, and then the lubricating oil or rust preventive oil contacts the bolt and the target object again to play the lubricating and rustproof effects.

[0032] The top of the oil storage rod 8 extends into the head 2 and is fixedly connected with a guide sliding block 12, the head 2 corresponding to the guide sliding block 12 is equipped with a guide sliding groove 15, the sliding block is slidingly arranged in the guide sliding groove 15, the top end of the oil storage rod 8 is rotationally connected with the connecting rod 10 through a bearing, the outer wall of the connecting rod 10 is equipped with external threads, and the connecting rod 10 is threadedly matched with the head 2. By rotating the plug 5, the connecting rod 10 can drive the oil storage rod 8 to move up and down, and in the moving process, the connecting rod 10 will not rotate and deviate under the cooperation of the guide sliding block 12 and the guide sliding groove 15, so that the correspondence accuracy of the oil outlet holes one 4 and the oil outlet holes two 9 is ensured.

[0033] The upper surface of the plug 5 is equipped with a cross key. The cross key 6 facilitates the rotation of the plug 5.

[0034] The diameter of the oil storage rod 8 is not less than the diameter of the connecting rod 10, which can ensure the smooth downward movement of the oil storage rod 8.

[0035] The lubricating oil or rust-proof oil is placed in the oil storage groove 3, and directly contacts the target object during use, thereby improving the rust-proof and lubricating effect.

[0036] The above has described the embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rust-preventive dead bolt comprising a bolt body including a head and a shank; characterized by: The outer surface of the screw is provided with vertical oil storage grooves; A plurality of oil outlet holes one are uniformly distributed in the length direction in the oil storage grooves, an oil inlet cavity is arranged in the screw, a matched oil storage rod is arranged in the oil inlet cavity, the central axis of the oil storage rod coincides with the central axis of the screw, an oil storage cavity is arranged in the oil storage rod, a plurality of oil outlet holes two which are in communication with the oil storage cavity are arranged on the oil storage rod, the oil outlet holes two and the oil outlet holes one correspond to each other, a connecting rod is connected to the top of the oil storage rod, the upper end of the connecting rod penetrates through the head and is connected with a plug, the head is provided with a matched accommodating groove, an oil inlet channel is arranged on the plug, the oil inlet channel is in communication with the oil storage cavity after penetrating through the connecting rod, and the top of the oil inlet channel is matched with a plugging.

2. A rust-preventive dead bolt according to claim 1, wherein: The top of the oil storage rod extends into the head and is fixedly connected with a guide sliding block, a guide sliding groove is arranged in the head corresponding to the guide sliding block, the sliding block is slidingly arranged in the guide sliding groove, the top end of the oil storage rod is rotationally connected with the connecting rod through a bearing, the outer wall of the connecting rod is provided with an external thread, and the connecting rod is threadedly matched with the head.

3. A rust-preventive dead bolt according to claim 2, wherein: The upper surface of the plug is provided with a cross-shaped pattern.

4. The rust-preventive dead bolt according to claim 2, wherein: The diameter of the oil storage rod is not less than the diameter of the connecting rod.

5. The rust-preventive dead bolt according to claim 1, wherein: The oil storage grooves are located in the middle part of the screw and account for 2 / 3 of the length of the screw.

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