CN216306459U - High-corrosion-resistance electro-galvanizing standard fastener - Google Patents
High-corrosion-resistance electro-galvanizing standard fastener Download PDFInfo
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- CN216306459U CN216306459U CN202122851890.5U CN202122851890U CN216306459U CN 216306459 U CN216306459 U CN 216306459U CN 202122851890 U CN202122851890 U CN 202122851890U CN 216306459 U CN216306459 U CN 216306459U
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Abstract
The utility model discloses a high-corrosion-resistance electro-galvanizing standard fastener which comprises a screw and a head, wherein the head is fixedly connected to the top end of the screw, and threads are arranged on the lower half part of the outer part of the screw. This standard fastener of electrogalvanizing of high corrosion resistance passes through the outside of screw rod and is provided with the galvanizing coat, and the galvanizing coat is electroplated in the outside of screw rod, the outside of galvanizing coat is provided with the titanium coating, in the in-process of production, at the outside electroplating galvanizing coat of screw rod earlier, then carry out the vacuum titanium plating again, utilize the galvanizing coat can improve the rust-resistant ability of screw rod greatly, secondly the titanium coating not only can make the screw rod have better acid and alkali corrosion resistance, and can strengthen its high temperature resistant and wear-resisting effect greatly, the limitation that external environment brought when like this can basically eliminate the screw rod and use, and can make the life of screw rod prolong greatly, it is not high enough with high temperature resistance to solve anticorrosion, the great problem of limitation during the use.
Description
Technical Field
The utility model relates to the technical field of standard fasteners, in particular to an electro-galvanizing standard fastener with high corrosion resistance.
Background
The standard fastener is a mechanical part for standardized fastening and connection, and mainly comprises a bolt, a stud, a screw, a rivet and the like, wherein the bolt is a standard fastener which is wide in use and large in market demand, but the corrosion resistance and high temperature resistance of the bolt on the market are not high enough at present, and the limitation in use is large; the anti-loosening effect is poor, and the surface of a workpiece is easy to damage; the manual screwing is inconvenient, the use is not convenient enough, and a standard electrogalvanizing fastener with high corrosion resistance is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-corrosion-resistance electro-galvanized standard fastener, which aims to solve the problems of insufficient corrosion resistance and high-temperature resistance and large limitation in use in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high anticorrosive electrogalvanizing standard fastener, includes screw rod and head, head fixed connection is on the top of screw rod, the outside the latter half of screw rod is provided with the screw thread, be provided with supplementary revolving structure soon on the head, supplementary revolving structure of revolving includes through-hole, bull stick, stalk portion and rubber pad, the outside position department that is close to the bottom of screw rod is provided with hexagon nut.
Preferably, a zinc coating is arranged on the outer portion of the screw rod and electroplated on the outer portion of the screw rod, a titanium coating is arranged on the outer portion of the zinc coating, and the titanium coating is attached to the outer portion of the zinc coating by a vacuum titanium coating process.
Preferably, the position, close to the top end, outside the screw rod is movably sleeved with an upper gasket, the top end of the hexagonal nut is fixedly connected with a lower gasket, and the bottom end of the upper gasket and the top end of the lower gasket are respectively fixedly bonded with a rubber ring.
Preferably, the lower gasket and the upper gasket are equal in size, and open holes with diameters larger than that of the screw rods are respectively formed in the central positions of the lower gasket and the upper gasket.
Preferably, a through hole is formed in the head, a rotating rod penetrates through the through hole, handle parts are arranged on two sides of the rotating rod respectively, and rubber pads are fixedly bonded to two ends of each handle part respectively.
Preferably, the length of the rotating rod is greater than that of the through hole, and the rotating rod is movably inserted in the through hole.
Compared with the prior art, the utility model has the beneficial effects that: the high-corrosion-resistance electro-galvanizing standard fastener not only realizes high corrosion resistance and high temperature resistance, greatly reduces the limitation in use, realizes good anti-loosening effect, is not easy to damage the surface of a workpiece, but also realizes convenient manual screwing and is more convenient to use;
(1) the galvanized layer is arranged outside the screw rod and is electroplated outside the screw rod, the titanium-plated layer is arranged outside the galvanized layer and is attached to the outside of the galvanized layer by adopting a vacuum titanium plating process, the galvanized layer is electroplated outside the screw rod firstly in the production process, then the vacuum titanium plating is carried out, the antirust capacity of the screw rod can be greatly improved by utilizing the galvanized layer, and the titanium-plated layer not only can enable the screw rod to have better acid-base corrosion resistance, but also can greatly enhance the high-temperature resistance and wear resistance effect of the screw rod, so that the limitation caused by the external environment when the screw rod is used can be basically eliminated, and the service life of the screw rod can be greatly prolonged;
(2) the upper gasket is movably sleeved at a position, close to the top end, of the outer part of the screw rod, the top end of the hexagonal nut is fixedly connected with the lower gasket, the bottom end of the upper gasket and the top end of the lower gasket are respectively fixedly bonded with a rubber ring, when the screw rod and the hexagonal nut are used in a matched mode to fasten a workpiece, the lower gasket and the upper gasket can be tightly attached to the workpiece under the action of pressure, friction is increased by a method of increasing contact area, the fastening effect of the screw rod and the hexagonal nut on the workpiece is good, the workpiece is not easy to loosen, and the surface of the workpiece can not be damaged by the lower gasket and the upper gasket due to the arrangement of the rubber rings;
(3) the through-hole has been seted up through the inside of head, the bull stick has been run through to the inside of through-hole, the both sides of bull stick are provided with the stalk portion respectively, the both ends of stalk portion bond respectively and are fixed with the rubber pad, when using, insert the inside of through-hole with the bull stick, and the stalk portion that makes both sides is located the outside both sides of head, can provide reliable stress point through the stalk portion this moment, the manual head of revolving of being convenient for, and the rubber pad at stalk portion both ends can improve the manual comfort level when revolving soon, revolve twist accomplish take out the bull stick after, can bring certain facility for the use of screw rod like this.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of a cross-sectional structure of the screw of the present invention;
FIG. 3 is a schematic top view of the rotating rod of the present invention;
fig. 4 is a schematic bottom view of the hexagonal nut of the present invention.
In the figure: 1. a screw; 2. a thread; 3. a hexagonal nut; 4. a lower gasket; 5. a rubber ring; 6. an upper gasket; 7. a head portion; 8. a through hole; 9. a rotating rod; 10. a zinc coating layer; 11. plating a titanium layer; 12. a handle; 13. and (7) a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-4, a standard electrogalvanizing fastener with high corrosion resistance comprises a screw 1 and a head 7, wherein the head 7 is fixedly connected to the top end of the screw 1, the lower half part of the outer part of the screw 1 is provided with threads 2, the head 7 is provided with an auxiliary screwing structure, the auxiliary screwing structure comprises a through hole 8, a rotating rod 9, a handle 12 and a rubber pad 13, and a hexagonal nut 3 is arranged at a position, close to the bottom end, of the outer part of the screw 1;
a galvanized layer 10 is arranged outside the screw rod 1, the galvanized layer 10 is electroplated outside the screw rod 1, a titanized layer 11 is arranged outside the galvanized layer 10, and the titanized layer 11 is attached to the outside of the galvanized layer 10 by adopting a vacuum titanizing process;
specifically, as shown in fig. 1 and 2, in the production process, firstly, a zinc coating 10 is electroplated on the outside of the screw rod 1, and then, the vacuum titanium plating is performed, the rust-proof capability of the screw rod 1 can be greatly improved by using the zinc coating 10, and secondly, the titanium coating 11 not only can enable the screw rod 1 to have better acid-base corrosion resistance, but also can greatly enhance the high temperature resistance and wear resistance effect thereof, so that the limitation caused by the external environment when the screw rod 1 is used can be basically eliminated, and the service life of the screw rod 1 can be greatly prolonged.
Example 2: an upper gasket 6 is movably sleeved at a position, close to the top end, outside the screw rod 1, a lower gasket 4 is fixedly connected to the top end of the hexagonal nut 3, and rubber rings 5 are respectively fixedly bonded to the bottom end of the upper gasket 6 and the top end of the lower gasket 4;
the size of the lower gasket 4 is equal to that of the upper gasket 6, and open holes with the diameter larger than that of the screw rod 1 are respectively arranged at the central positions of the lower gasket 4 and the upper gasket 6;
specifically, as shown in fig. 1 and 4, when the screw 1 and the hexagon nut 3 are used in cooperation to fasten a workpiece, the lower gasket 4 and the upper gasket 6 are tightly attached to the workpiece under the action of pressure, and friction is increased by increasing the contact area, so that the screw 1 and the hexagon nut 3 have a good fastening effect on the workpiece and are not easy to loosen, and the lower gasket 4 and the upper gasket 6 cannot damage the surface of the workpiece due to the arrangement of the rubber ring 5.
Example 3: a through hole 8 is formed in the head 7, a rotating rod 9 penetrates through the through hole 8, handle parts 12 are respectively arranged on two sides of the rotating rod 9, rubber pads 13 are respectively bonded and fixed to two ends of each handle part 12, the length of the rotating rod 9 is larger than that of the through hole 8, and the rotating rod 9 is movably inserted in the through hole 8;
specifically, as shown in fig. 1 and 3, when in use, the rotating rod 9 is inserted into the through hole 8, and the handles 12 on both sides are located on both sides of the exterior of the head 7, so that a reliable stress point can be provided by the handles 12, the head 7 can be screwed manually, the rubber pads 13 on both ends of the handles 12 can improve the comfort level of the screwing manually, and the rotating rod 9 can be drawn out after the screwing is completed, which can bring certain convenience to the use of the screw 1.
The working principle is as follows: when the utility model is used, firstly, in the production process, the zinc coating 10 is electroplated on the outer part of the screw rod 1, then the vacuum titanium plating is carried out, the rust-proof capability of the screw rod 1 can be greatly improved by utilizing the zinc coating 10, secondly, the titanium coating 11 not only can ensure that the screw rod 1 has better acid-base corrosion resistance, but also can greatly enhance the high temperature resistance and wear resistance effect thereof, thus basically eliminating the limitation caused by the external environment when the screw rod 1 is used, and the service life of the screw rod 1 can be greatly prolonged, secondly, when the screw rod 1 and the hexagon nut 3 are used for fastening a workpiece in a matching way, the lower gasket 4 and the upper gasket 6 can be tightly attached to the workpiece under the action of pressure, the friction force is increased by increasing the contact area, so that the fastening effect of the screw rod 1 and the hexagon nut 3 on the workpiece is better, the workpiece is not easy to loosen, and the rubber ring 5 can ensure that the lower gasket 4 and the upper gasket 6 can not damage the surface of the workpiece, finally, the rotating rod 9 is inserted into the through hole 8, the handle parts 12 on the two sides are located on the two sides of the outer portion of the head part 7, a reliable stress point can be provided through the handle parts 12 at the moment, the head part 7 can be screwed manually conveniently, the comfort degree of manual screwing can be improved through the rubber pads 13 on the two ends of the handle parts 12, the rotating rod 9 can be pulled out after screwing is completed, and therefore certain convenience can be brought to the use of the screw 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A standard electrogalvanizing fastener with high corrosion resistance comprises a screw (1) and a head (7), and is characterized in that: head (7) fixed connection is on the top of screw rod (1), the latter half of screw rod (1) outside is provided with screw thread (2), be provided with supplementary structure of revolving soon on head (7), supplementary structure of revolving soon includes through-hole (8), bull stick (9), stalk portion (12) and rubber pad (13), the outside position department that is close to the bottom of screw rod (1) is provided with hexagon nut (3).
2. The standard fastener of claim 1, which is characterized by comprising: the screw rod is characterized in that a zinc coating (10) is arranged outside the screw rod (1), the zinc coating (10) is electroplated outside the screw rod (1), a titanium coating (11) is arranged outside the zinc coating (10), and the titanium coating (11) is attached to the outside of the zinc coating (10) by adopting a vacuum titanium coating process.
3. The standard fastener of claim 1, which is characterized by comprising: the outer portion of the screw rod (1) close to the top end is movably sleeved with an upper gasket (6), the top end of the hexagonal nut (3) is fixedly connected with a lower gasket (4), and the bottom end of the upper gasket (6) and the top end of the lower gasket (4) are respectively fixedly bonded with a rubber ring (5).
4. The standard fastener of claim 3, which is characterized by comprising: the size of the lower gasket (4) is equal to that of the upper gasket (6), and open holes with the diameter larger than that of the screw rod (1) are respectively formed in the central positions of the lower gasket (4) and the upper gasket (6).
5. The standard fastener of claim 1, which is characterized by comprising: through-hole (8) have been seted up to the inside of head (7), bull stick (9) has been run through to the inside of through-hole (8), the both sides of bull stick (9) are provided with stalk portion (12) respectively, the both ends of stalk portion (12) are the bonding respectively and are fixed with rubber pad (13).
6. The standard fastener of claim 5, which is characterized by comprising: the length of the rotating rod (9) is greater than that of the through hole (8), and the rotating rod (9) is movably inserted in the through hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122851890.5U CN216306459U (en) | 2021-11-20 | 2021-11-20 | High-corrosion-resistance electro-galvanizing standard fastener |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122851890.5U CN216306459U (en) | 2021-11-20 | 2021-11-20 | High-corrosion-resistance electro-galvanizing standard fastener |
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| CN216306459U true CN216306459U (en) | 2022-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117989214A (en) * | 2024-04-07 | 2024-05-07 | 广东腐蚀科学与技术创新研究院 | Aluminized connecting fastener capable of preventing galvanic corrosion and manufacturing method thereof |
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2021
- 2021-11-20 CN CN202122851890.5U patent/CN216306459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117989214A (en) * | 2024-04-07 | 2024-05-07 | 广东腐蚀科学与技术创新研究院 | Aluminized connecting fastener capable of preventing galvanic corrosion and manufacturing method thereof |
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