CN212318509U - High-strength screw fastener for marine equipment - Google Patents
High-strength screw fastener for marine equipment Download PDFInfo
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- CN212318509U CN212318509U CN202020677981.4U CN202020677981U CN212318509U CN 212318509 U CN212318509 U CN 212318509U CN 202020677981 U CN202020677981 U CN 202020677981U CN 212318509 U CN212318509 U CN 212318509U
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Abstract
The utility model discloses a high strength screw fastener for marine facilities, including the fastener body, the fastener body includes screw cap, fixed slot and screw post two, the screw cap shaping in fastener body lower extreme, screw cap upper end middle part is provided with screw post one, a screw post periphery is provided with the locking arch, a screw post upper end periphery is provided with the fixed slot, be provided with the straining ring in the fixed slot, screw post upper end is provided with screw post two, two upper ends of screw post are provided with the screwhead. Has the advantages that: the utility model discloses a set up fixed slot, bloated straining ring and locking arch, make the screw fastener when being connected with other parts, the straining ring that expands can be in the inside tight that expands of other parts to it is very firm to make the screw fastener be connected with other parts, and the fastening nature and the antiskid nature that the protruding multiplicable screw cap of locking is connected with other parts are very practical.
Description
Technical Field
The utility model relates to a screw fastener technical field, concretely relates to high strength screw fastener for marine facilities.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener has wide application industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and is a most widely applied mechanical basic part. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees. Thus, one type of fastener that has a national standard is also referred to as a standard fastener, or simply a standard. Screw fasteners are one type of fastener, and a large number of screw fasteners are used on marine equipment.
The high strength screw fastener for ocean equipment is connected with other parts through the screw thread now only, and the easy pine takes off because of reasons such as vibrations, and the practicality is not enough, and the high strength screw fastener for ocean equipment that has now is corroded by moist air and salt in marine environment in addition, and the durability is relatively poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art not enough, provide a high strength screw fastener for marine facilities now, solved current high strength screw fastener for marine facilities simple be connected with other parts through the screw thread, loose because of reasons such as vibrations pine easily, the not enough problem of practicality.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a high strength screw fastener for marine facilities, including the fastener body, the fastener body includes screw cap, fixed slot and screw post two, the screw cap shaping in fastener body lower extreme, screw cap upper end middle part is provided with screw post one, a screw post periphery is provided with the locking arch, a screw post upper end periphery is provided with the fixed slot, be provided with the straining ring in the fixed slot, screw post upper end is provided with screw post two, two upper ends of screw post are provided with the screwhead.
Furthermore, the first screw column is formed in the middle of the upper end of the screw cap, the fixing groove is formed in the periphery of the upper end of the first screw column, and the expansion ring is connected with the first screw column through the fixing groove.
By adopting the technical scheme, the expansion ring is made of rubber materials with excellent elasticity and toughness.
Furthermore, the locking protrusion is formed at the upper end of the screw cap and located at the periphery of the lower end of the first screw column, the second screw column is formed at the upper end of the first screw column, and external threads are formed on the periphery of the second screw column.
Through adopting above-mentioned technical scheme, the protruding upper end of locking is comparatively sharp-pointed, and when screw fastener screw in other parts, the protruding multiplicable of locking the fastening nature of being connected between screw cap and other parts plays skid-proof effect like this.
Furthermore, the screw head is formed at the upper end of the two screw columns, and an inner hexagonal hole is formed in the middle of the bottom end of the screw cap.
By adopting the technical scheme, the screw head plays a role in guiding the connection between the screw fastener and other components.
Furthermore, screw head and two surfaces of screw post all spray and have the teflon coating, screw post one and locking protruding surface all spray and have the teflon coating.
By adopting the technical scheme, the Teflon coating has good acid resistance, alkali resistance, corrosion resistance, wear resistance and the like, and the screw head, the screw column II, the screw column I and the locking protrusion which are sprayed with the Teflon coating are very suitable for marine environment.
Furthermore, the Teflon coating is sprayed on the surface of the screw cap, and the Teflon coating is sprayed on the inner wall of the inner hexagonal hole.
Through adopting above-mentioned technical scheme, the spraying has the teflon coating the screw cap and interior hexagonal hole inner wall is difficult for being corroded by the air moist in the ocean, that salt content is big.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
in order to solve the problems that the existing high-strength screw fastener for the marine equipment is simply connected with other parts through threads, is easy to loosen and fall off due to vibration and the like, and has insufficient practicability, the utility model has the advantages that the fixing groove, the expansion ring and the locking bulge are arranged, so that when the screw fastener is connected with other parts, the expansion ring can expand and tighten inside the other parts, the screw fastener is very firmly connected with the other parts, and the locking bulge can improve the tightness and the antiskid property of the screw cap for connecting with the other parts, and is very practical; for solving the easy moist air of current high strength screw fastener for marine facilities and salinity corruption in marine environment, the relatively poor problem of durability, the utility model discloses a set up the teflon coating, make screw fastener possess characteristics such as splendid corrosion resistance, wearability, acid resistance, alkali resistance, the durability strengthens greatly, very is applicable to marine environment.
Drawings
Fig. 1 is a schematic structural view of a high-strength screw fastener for marine equipment according to the present invention;
fig. 2 is a schematic structural diagram of a screw column i, a screw column ii and a screw head in a high-strength screw fastener for marine equipment according to the present invention;
FIG. 3 is a cross-sectional view of a high strength screw fastener for use with marine equipment in accordance with the present invention;
fig. 4 is a bottom view of a high strength screw fastener for marine applications of the present invention.
The reference numerals are explained below:
1. a fastener body; 2. a screw cap; 3. a first screw column; 4. a locking protrusion; 5. fixing grooves; 6. expanding and tightening the ring; 7. a second screw column; 8. a screw head; 9. an external thread; 10. an inner hexagonal hole; 11. and (4) coating Teflon.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-4, in this embodiment, a high-strength screw fastener for marine equipment includes a fastener body 1, the fastener body 1 includes a screw cap 2, a fixing groove 5 and a screw column two 7, the screw cap 2 is formed at a lower end of the fastener body 1, a screw column one 3 is arranged in a middle portion of an upper end of the screw cap 2, a locking protrusion 4 is arranged on a periphery of the screw column one 3, the fixing groove 5 is arranged on a periphery of an upper end of the screw column one 3, an expansion ring 6 is arranged in the fixing groove 5, the screw column two 7 is arranged on an upper end of the screw column, and a screw head 8 is arranged on an upper end of the screw column two 7.
As shown in fig. 1-3, the first screw column 3 is formed in the middle of the upper end of the screw cap 2, the fixing groove 5 is formed at the periphery of the upper end of the first screw column 3, the expansion ring 6 is connected with the first screw column 3 through the fixing groove 5, the first screw column 3 and the screw cap 2 are both made of high-strength alloy materials, and the expansion ring 6 is made of rubber materials with excellent elasticity and toughness.
As shown in fig. 1-3, the locking protrusion 4 is formed at the upper end of the screw cap 2 and located at the periphery of the lower end of the first screw column 3, the second screw column 7 is formed at the upper end of the first screw column 3, the outer periphery of the second screw column 7 is formed with the external thread 9, and the upper end of the locking protrusion 4 is relatively sharp, so that when the screw fastener is screwed into other components, the locking protrusion 4 can improve the tightness between the screw cap 2 and other components, so as to play a role in skid resistance, and the screw fastener can be screwed into other components through the external thread 9.
As shown in figures 1-4, the screw head 8 is formed at the upper end of the second screw column 7, the middle part of the bottom end of the screw cap 2 is formed with an inner hexagonal hole 10, the screw head 8 plays a role of guiding the connection of the screw fastener and other components, and the screw fastener can be conveniently screwed into other components through the inner hexagonal hole 10 by using a hexagonal screwdriver.
As shown in fig. 1 to 3, the surfaces of the screw head 8 and the screw column two 7 are both sprayed with teflon coatings 11, the surfaces of the screw column one 3 and the locking protrusion 4 are both sprayed with teflon coatings 11, the teflon coatings 11 have good acid resistance, alkali resistance, corrosion resistance, wear resistance and the like, and the screw head 8, the screw column two 7, the screw column one 3 and the locking protrusion 4 sprayed with the teflon coatings 11 are very suitable for marine environments, are not easily corroded by moist air and air with large salt content in the sea, and are very durable.
As shown in fig. 1-4, the teflon coating 11 is sprayed on the surface of the screw cap 2, the teflon coating 11 is sprayed on the inner wall of the inner hexagonal hole 10, and the screw cap 2 and the inner wall of the inner hexagonal hole 10 sprayed with the teflon coating 11 are not easily corroded by the air with moisture and large salt content in the sea and are very durable.
The specific implementation process of this embodiment is as follows: the Teflon coating 11 has good acid resistance, alkali resistance, corrosion resistance, wear resistance and the like, the screw head 8, the screw column II 7, the screw column I3, the locking protrusion 4, the screw cap 2 and the inner hexagonal hole 10 which are sprayed with the Teflon coating 11 are very suitable for marine environments, are not easily corroded by air with moisture and large salt content in the sea and are very durable, the screw head 8 plays a role in guiding connection of the screw fastener and other parts, the screw fastener can be conveniently screwed into other parts through the inner hexagonal hole 10 by using a hexagonal screwdriver, when the screw column I3 and the screw column II 7 are screwed into other parts through the external threads 9, the expansion ring 6 is contracted under the action of external pressure when being screwed to the expansion ring 6, and when the expansion ring 6 is screwed until the screw cap 2 is tightly pressed against other parts, the expansion ring 6 with excellent elasticity and toughness can enable the screw column I3 to be firmly connected with other parts, the locking protrusion 4 can increase the tightness between the screw cap 2 and other parts, so that the screw cap plays a role of skid resistance and is very practical.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. A high strength screw fastener for marine equipment characterized by: including fastener body (1), fastener body (1) includes screw cap (2), fixed slot (5) and screw post two (7), screw cap (2) shaping in fastener body (1) lower extreme, screw cap (2) upper end middle part is provided with screw post (3), screw post (3) periphery is provided with locking arch (4), screw post (3) upper end periphery is provided with fixed slot (5), be provided with bloated straining ring (6) in fixed slot (5), screw post upper end is provided with screw post two (7), screw post two (7) upper end is provided with screwhead (8).
2. A high strength screw fastener for marine equipment according to claim 1, wherein: screw post (3) shaping in screw cap (2) upper end middle part, fixed slot (5) shaping in screw post (3) upper end is peripheral, bloated straining ring (6) with screw post (3) pass through fixed slot (5) are connected.
3. A high strength screw fastener for marine equipment according to claim 2, wherein: locking protruding (4) shaping in screw cap (2) upper end is located screw post (3) lower extreme outlying position, screw post two (7) shaping in screw post (3) upper end, screw post two (7) peripheral shaping has external screw thread (9).
4. A high strength screw fastener for marine equipment according to claim 3, wherein: the screw head (8) is formed at the upper end of the second screw column (7), and an inner hexagonal hole (10) is formed in the middle of the bottom end of the screw cap (2).
5. A high strength screw fastener for marine equipment according to claim 4, wherein: screw head (8) and screw post two (7) surfaces all have been sprayed teflon coating (11), screw post one (3) and locking protruding (4) surfaces all have been sprayed teflon coating (11).
6. A high strength screw fastener for marine equipment according to claim 5, wherein: screw cap (2) surface spraying has teflon coating (11), spraying has on interior hexagonal hole (10) inner wall teflon coating (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020677981.4U CN212318509U (en) | 2020-04-28 | 2020-04-28 | High-strength screw fastener for marine equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020677981.4U CN212318509U (en) | 2020-04-28 | 2020-04-28 | High-strength screw fastener for marine equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318509U true CN212318509U (en) | 2021-01-08 |
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ID=74032434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020677981.4U Active CN212318509U (en) | 2020-04-28 | 2020-04-28 | High-strength screw fastener for marine equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318509U (en) |
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2020
- 2020-04-28 CN CN202020677981.4U patent/CN212318509U/en active Active
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