CN213981576U - Screw with good rust-proof effect - Google Patents
Screw with good rust-proof effect Download PDFInfo
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- CN213981576U CN213981576U CN202022501538.4U CN202022501538U CN213981576U CN 213981576 U CN213981576 U CN 213981576U CN 202022501538 U CN202022501538 U CN 202022501538U CN 213981576 U CN213981576 U CN 213981576U
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- storage box
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Abstract
The utility model discloses a screw that rust-resistant effect is good, including the screw cap, screw cap side fixedly connected with oil storage box, oil storage box one side is provided with leads oily passageway, it is provided with the oil leak hole to lead oily passageway side, the inside fixedly connected with limiting plate of oil leak hole, the limiting plate middle part is provided with first through-hole, limiting plate side fixedly connected with spring, spring other end fixed connection is in the sealing plug side, be provided with the spacing ring in the oil leak hole, the spacing ring middle part is provided with the third through-hole, the radius of third through-hole is the same with the radius of sealing plug. This kind of screw that rust-resistant effect is good is lubricated the pole body through setting up the oil storage box and injecting lubricating oil to the pole body inside, prevents to rust, improves the life of screw, is provided with spring and sealing plug in the oil leak hole moreover, prevents in lubricating oil refluence return oil storage box.
Description
Technical Field
The utility model relates to a screw technical field specifically is a screw that rust-resistant effect is good.
Background
The screw is a tool for fastening machine parts of the device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction of the object, the application of the screw in the daily life of people is wide, the screw sold in the market at present can be plated with an anti-rust layer on the surface, but the anti-rust effect is not ideal, and after the screw is fixed on a workpiece, the screw is easy to rust in a humid environment, the service life of the screw is shortened, and the fastening degree of the screw is reduced. Therefore, a screw with good rust prevention effect is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a screw that rust-resistant effect is good to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a screw with good antirust effect comprises a screw cap, wherein an oil storage box is fixedly connected to the side face of the screw cap, a rod body is fixedly connected to the other end of the oil storage box, an oil filling hole is formed in one side, close to the screw cap, of the oil storage box, a sealing cover is arranged on the side face of the oil filling hole, a piston rod is fixedly connected to the side face of the sealing cover, the piston rod extends into the oil filling hole, an oil guide channel is arranged on one side, close to the rod body, of the oil storage box, a plurality of oil leakage holes are formed in the side face of the oil guide channel, one end, far away from the oil guide channel, of each oil leakage hole is communicated with the outside, a limiting plate is fixedly connected to the inside of each oil leakage hole, a first through hole is formed in the middle of the limiting plate, a spring is fixedly connected to the side face of the limiting plate, the other end of the spring is fixedly connected to the side face of the sealing plug, a limiting ring is arranged in the oil leakage hole, a third through hole is formed in the middle of the limiting ring, the radius of the third through hole is the same as that of the sealing plug, one end, far away from the limiting ring, of the sealing plug is fixedly connected with a conical column, a second through hole is formed in the side face of the conical column, the other end of the conical column is fixedly connected with a sliding column, and the spring is located inside the sliding column.
Preferably, the radius of the piston rod is the same as that of the oil filling hole, the length of the piston rod is smaller than that of the oil filling hole, and the oil filling hole is communicated with the inner cavity of the oil storage box.
Preferably, an included angle formed by the oil leakage hole and a horizontal line is an acute angle.
Preferably, the cross section of the limiting plate is circular, the radius of the limiting plate is larger than that of the oil leakage hole, and the side face of the limiting plate is embedded into the rod body.
Preferably, the second through hole is provided with a plurality of holes and is circumferentially distributed on the side surface of the conical column.
Preferably, the radius of the sliding column is smaller than that of the oil leakage hole, and the radius of the sliding column is larger than that of the first through hole.
Preferably, a sealing ring is arranged between the oil storage box and the rod body.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of screw that rust-resistant effect is good pours into lubricating oil into to pole body into through setting up the oil storage box, lubricate the pole body, prevent to rust, improve the life of screw, and be provided with spring and sealing plug in the oil leak hole, when pouring into pole body surface with lubricating oil through the oil leak hole, spring and sealing plug are under air current and pressure effect, open the third through-hole, make lubricating oil flow, when not pouring into lubricating oil, the sealing plug is in shutoff third through-hole under the effect of spring, prevent in lubricating oil refluence oil storage box, also prevent simultaneously that the moisture from entering into pole body inside, corrode the pole body, rust-resistant effect is obvious, effectively improve the life of screw.
Drawings
Fig. 1 is a side sectional view of the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
In the figure: the screw comprises a screw cap 1, a rod body 2, a sealing ring 3, an oil storage box 4, an oil filling hole 5, a sealing cover 6, a piston rod 7, an oil guide channel 8, an oil leakage hole 9, a limiting plate 10, a first through hole 11, a spring 12, a sliding column 13, a conical column 14, a second through hole 15, a sealing plug 16, a limiting ring 17 and a third through hole 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a screw with a good antirust effect comprises a screw cap 1, wherein an oil storage box 4 is fixedly connected to the side surface of the screw cap 1, a rod body 2 is fixedly connected to the other end of the oil storage box 4, an oil filling hole 5 is formed in one side, close to the screw cap 1, of the oil storage box 4, a sealing cover 6 is arranged on the side surface of the oil filling hole 5, a piston rod 7 is fixedly connected to the side surface of the sealing cover 6, the piston rod 7 extends into the oil filling hole 5, when lubricating oil needs to be injected into the oil storage box 4, the sealing cover 6 is firstly pulled out of the oil filling hole 5, the lubricating oil is injected into the oil storage box 4 through an injection pipe or other modes, and after the injection is finished, the oil filling hole 5 is sealed by the piston rod 7 and the sealing cover 6, so that the lubricating oil is prevented from leaking;
an oil guide channel 8 is arranged on one side, close to the rod body 2, of the oil storage box 4, a plurality of oil leakage holes 9 which are arranged at equal intervals are formed in the side face of the oil guide channel 8, one ends, far away from the oil guide channel 8, of the oil leakage holes 9 are communicated with the outside, when the rod body 2 needs to be lubricated, the sealing covers 6 are opened, an air inlet tool is used for introducing air into the oil storage box 4 and the oil guide channel 8 through the oil filling hole 5, and lubricating oil in the oil storage box 4 is guided into the oil guide channel 8 by gas pressure and is dripped into the surface of the rod body 2 through;
a limiting plate 10 is fixedly connected inside the oil leakage hole 9, a first through hole 11 is arranged in the middle of the limiting plate 10, a spring 12 is fixedly connected to the side surface of the limiting plate 10, the other end of the spring 12 is fixedly connected to the side surface of a sealing plug 16, a limiting ring 17 is arranged in the oil leakage hole 9, a third through hole 18 is arranged in the middle of the limiting ring 17, the radius of the third through hole 18 is the same as that of the sealing plug 16, a conical column 14 is fixedly connected to one end, away from the limiting ring 17, of the sealing plug 16, a second through hole 15 is arranged on the side surface of the conical column 14, a sliding column 13 is fixedly connected to the other end of the conical column 14, the spring 12 is located inside the sliding column 13, when an air inlet tool enters the oil guide channel 8, the pressure of air and lubricating oil can push the sealing plug 16 out of the third through hole 18, the spring 12 is compressed, the sliding column 13 moves towards the side surface of the limiting plate 10, and the lubricating oil can enter the sliding column 13 from the second through hole 15, and enters the surface of the rod body 2 through the first through hole 11, after lubrication is finished, the sealing plug 16 enters the third through hole 18 under the action of the spring 12 to block the third through hole 18, so that the lubricating oil is prevented from flowing back, and dust and moisture are also prevented from entering the rod body 2.
Further, 7 radiuses of piston rod are the same with 5 radiuses of oil filler point, and 7 lengths of piston rod are less than the length of oil filler point 5, and oil filler point 5 is linked together with oil storage box 4 inner chamber, and when pouring into lubricating oil into oil storage box 4, accessible oil filler point 5 pours into, and oil filler point 5 can be blocked to piston rod 7, prevents that lubricating oil from leaking to the outside from oil storage box 4.
Furthermore, an included angle formed by the oil leakage hole 9 and a horizontal line is an acute angle, so that lubricating oil in the oil guide channel 8 can be conveniently guided out from the oil leakage hole 9, and the surface of the rod body 2 is lubricated.
Furthermore, the section of the limiting plate 10 is circular, the radius of the limiting plate 10 is larger than that of the oil leakage hole 9, the side face of the limiting plate 10 is embedded into the rod body 2, the sealing performance between the limiting plate 10 and the oil leakage hole 9 is guaranteed, and lubricating oil leakage is prevented.
Further, the second through holes 15 are provided with a plurality of and circumferentially distributed on the side surface of the tapered column 14, so that the lubricating oil can pass through the plurality of second through holes 15, and the movement rate of the lubricating oil is ensured.
Further, the radius of the sliding column 13 is smaller than that of the oil leakage hole 9, and the radius of the sliding column 13 is larger than that of the first through hole 11, so that the sliding column 13 can abut against the side surface of the limit plate 10 and can also slide up and down in the oil leakage hole 9.
Furthermore, a sealing ring 3 is arranged between the oil storage box 4 and the rod body 2, the sealing ring 3 can be made of rubber materials, and after the screw is fixed on the surface of a workpiece, the sealing ring 3 can prevent air, moisture and lubricating oil from entering the rod body 2 from the joint.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a screw that rust-resistant effectual, includes screw cap (1), its characterized in that: the screw cap (1) is fixedly connected with an oil storage box (4) on the side, the other end of the oil storage box (4) is fixedly connected with a rod body (2), one side, close to the screw cap (1), of the oil storage box (4) is provided with an oil filling hole (5), the side of the oil filling hole (5) is provided with a sealing cover (6), the side of the sealing cover (6) is fixedly connected with a piston rod (7), the piston rod (7) extends to the inside of the oil filling hole (5), one side, close to the rod body (2), of the oil storage box (4) is provided with an oil guide channel (8), the side of the oil guide channel (8) is provided with a plurality of oil leakage holes (9) which are arranged at equal intervals, one end, far away from the oil guide channel (8), of the oil leakage holes (9) is communicated with the outside, the inside of the oil leakage holes (9) is fixedly connected with a limiting plate (10), the middle part of the limiting plate (10) is provided with a first through hole (11), the oil leakage prevention device is characterized in that a spring (12) is fixedly connected to the side face of the limiting plate (10), the other end of the spring (12) is fixedly connected to the side face of the sealing plug (16), a limiting ring (17) is arranged in the oil leakage hole (9), a third through hole (18) is formed in the middle of the limiting ring (17), the radius of the third through hole (18) is identical to that of the sealing plug (16), a conical column (14) is fixedly connected to one end, far away from the limiting ring (17), of the sealing plug (16), a second through hole (15) is formed in the side face of the conical column (14), a sliding column (13) is fixedly connected to the other end of the conical column (14), and the spring (12) is located inside the sliding column (13).
2. The screw with good antirust effect according to claim 1, characterized in that: the radius of the piston rod (7) is the same as that of the oil filling hole (5), the length of the piston rod (7) is smaller than that of the oil filling hole (5), and the oil filling hole (5) is communicated with an inner cavity of the oil storage box (4).
3. The screw with good antirust effect according to claim 1, characterized in that: and an included angle formed by the oil leakage hole (9) and a horizontal line is an acute angle.
4. The screw with good antirust effect according to claim 1, characterized in that: the cross section of the limiting plate (10) is circular, the radius of the limiting plate (10) is larger than that of the oil leakage hole (9), and the side face of the limiting plate (10) is embedded into the rod body (2).
5. The screw with good antirust effect according to claim 1, characterized in that: the second through holes (15) are arranged in a plurality of numbers and are circumferentially distributed on the side face of the conical column (14).
6. The screw with good antirust effect according to claim 1, characterized in that: the radius of the sliding column (13) is smaller than that of the oil leakage hole (9), and the radius of the sliding column (13) is larger than that of the first through hole (11).
7. The screw with good antirust effect according to claim 1, characterized in that: and a sealing ring (3) is arranged between the oil storage box (4) and the rod body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022501538.4U CN213981576U (en) | 2020-11-03 | 2020-11-03 | Screw with good rust-proof effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022501538.4U CN213981576U (en) | 2020-11-03 | 2020-11-03 | Screw with good rust-proof effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981576U true CN213981576U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022501538.4U Active CN213981576U (en) | 2020-11-03 | 2020-11-03 | Screw with good rust-proof effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517803A (en) * | 2022-02-23 | 2022-05-20 | 上海慧新五金科技有限公司 | Lubricating rust-proof bolt |
| CN114033782B (en) * | 2021-12-13 | 2023-03-21 | 江苏省艾维德紧固件有限公司 | Combined self-tapping screw with cutting fluid |
-
2020
- 2020-11-03 CN CN202022501538.4U patent/CN213981576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033782B (en) * | 2021-12-13 | 2023-03-21 | 江苏省艾维德紧固件有限公司 | Combined self-tapping screw with cutting fluid |
| CN114517803A (en) * | 2022-02-23 | 2022-05-20 | 上海慧新五金科技有限公司 | Lubricating rust-proof bolt |
| CN114517803B (en) * | 2022-02-23 | 2023-09-26 | 上海慧新五金科技有限公司 | Lubricating rust-proof bolt |
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