CN215257264U - Combined bolt with anti-corrosion structure - Google Patents
Combined bolt with anti-corrosion structure Download PDFInfo
- Publication number
- CN215257264U CN215257264U CN202120655471.1U CN202120655471U CN215257264U CN 215257264 U CN215257264 U CN 215257264U CN 202120655471 U CN202120655471 U CN 202120655471U CN 215257264 U CN215257264 U CN 215257264U
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- China
- Prior art keywords
- screw rod
- head
- nut
- screw
- oil
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- Expired - Fee Related
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Abstract
The utility model discloses a combination formula bolt with anti-corrosion structure, including screw rod, head and nut, the top fixedly connected with detachable head of screw rod, the outside of screw rod closes soon through the screw thread and is connected with the nut, the outside of screw rod is located and is equipped with seal ring between head and the nut, seal ring's inside has the oil-carrying chamber, the inboard of oil-carrying chamber is provided with sealing oil, seal ring's bottom has the oil outlet, seal ring's bottom is close to the below of oil outlet and is provided with the seal membrane. The utility model discloses in, at first, have anti-corrosion structure, to realizing oil blanket and sealed between nut and the screw rod, promoted the anti-corrosion performance between nut and the screw rod, secondly, adopt integrated configuration between head and the screw rod, through dismantling the connecting screw, accomplish the dismantlement between head and the screw rod to realize the whole dismantlement of bolt, promoted the flexibility that the bolt used.
Description
Technical Field
The utility model relates to a bolt technical field especially relates to a combination formula bolt with anti-corrosion structure.
Background
Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.
Traditional bolt does not set up anti-corrosion structure mostly, when in actual use, because the oxidation corrosion between screw rod and the nut can lead to the nut to be difficult to unscrew to lead to being difficult to dismantle between the part.
Disclosure of Invention
The utility model aims to provide a: in order to solve the problems, a combined bolt with an anti-corrosion structure is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a combination formula bolt with anti-corrosion structure, includes screw rod, head and nut, the top fixedly connected with detachable head of screw rod, the outside of screw rod is connected with the nut through the screw thread closure soon, the outside of screw rod is located and is equipped with seal ring between head and the nut, seal ring's inside has the oil carrying cavity, the inboard that carries the oil cavity is provided with sealed oil, seal ring's bottom has the oil outlet, seal ring's bottom is close to the below of oil outlet and is provided with the seal membrane, spliced pole fixedly connected with limiting plate is passed through to the bottom of nut, fixedly connected with thread washer between limiting plate and the nut, thread washer's inner wall and the exterior wall laminating of screw rod.
As a further description of the above technical solution:
the top of the head is provided with a limiting groove, and the top of the screw rod is positioned on the inner side of the limiting groove.
As a further description of the above technical solution:
the top of screw rod is prostrate the cross-section and is regular hexagon structure, and the laminating of the top exterior wall of screw rod and the inner wall of spacing groove to be provided with the sealing ring between the top of screw rod and the head.
As a further description of the above technical solution:
the top of the head has a mounting slot.
As a further description of the above technical solution:
the inner side of the mounting groove is provided with a connecting screw for fixing the head and the screw rod.
As a further description of the above technical solution:
the inner side of the mounting groove is provided with a sealing plug for sealing the mounting groove.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, have anti-corrosion structure, remove to seal ring direction through the nut, thereby extrude seal ring, make the inboard sealed oil of oil-carrying chamber spout to the screw rod direction through the oil outlet, make sealed oil paint between screw rod and nut, seal through seal ring between the top of nut and the screw rod, seal again between the bottom of nut and the screw rod through the thread washer, thereby to realizing the oil blanket between nut and the screw rod and seal, the anti-corrosion performance between nut and the screw rod has been promoted.
2. The utility model discloses in, adopt integrated configuration between head and the screw rod, accomplish through the connecting screw fixing between head and the screw rod, seal completely connecting screw department through sealing plug and sealing ring to prevent connecting screw corrosion, when the nut can't unscrew, through dismantling the connecting screw, accomplish the dismantlement between head and the screw rod, thereby realize the whole dismantlement of bolt, promoted the flexibility that the bolt used.
Drawings
Fig. 1 shows a schematic front view according to the invention;
fig. 2 is a schematic cross-sectional view illustrating a connection structure of a screw and a nut provided according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view illustrating a connection structure of a screw and a head provided according to an embodiment of the present invention;
fig. 4 shows a schematic top view of a screw according to an embodiment of the present invention.
Illustration of the drawings:
1. a screw; 2. a head portion; 201. mounting grooves; 202. a limiting groove; 3. a nut; 4. a sealing gasket; 401. an oil carrying cavity; 402. an oil outlet hole; 5. connecting columns; 6. a limiting plate; 7. a threaded washer; 8. a sealing film; 9. sealing oil; 10. a sealing plug; 11. a connecting screw; 12. and (4) a sealing ring.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a combined bolt with an anti-corrosion structure comprises a screw rod 1, a head 2 and a nut 3, wherein the top of the screw rod 1 is fixedly connected with a detachable head 2, the outside of the screw rod 1 is connected with the nut 3 in a screwing mode through threads, a sealing gasket 4 is sleeved between the head 2 and the nut 3 outside the screw rod 1, an oil carrying cavity 401 is arranged inside the sealing gasket 4, sealing oil 9 is arranged on the inner side of the oil carrying cavity 401, an oil outlet 402 is formed in the bottom of the sealing gasket 4, a sealing membrane 8 is arranged below the bottom of the sealing gasket 4 close to the oil outlet 402, a limiting plate 6 is fixedly connected to the bottom of the nut 3 through a connecting column 5, a threaded gasket 7 is fixedly connected between the limiting plate 6 and the nut 3, the inner wall of the threaded gasket 7 is attached to the outer wall of the screw rod 1, the bottom of the nut 3 is sealed with the screw rod 1 through the threaded gasket 7, and the limiting plate 6 is arranged, the bottom of the threaded washer 7 is supported, and the sealing effect is guaranteed.
Specifically, as shown in fig. 3 and 4, the top of the head 2 has a limiting groove 202, the top of the screw rod 1 is located inside the limiting groove 202, the top of the screw rod 1 has a bent cross section in a regular hexagon structure, and the top outer surface wall of the screw rod 1 is attached to the inner wall of the limiting groove 202, and the top of the head 2, which is provided with the sealing ring 12 between the top of the screw rod 1 and the head 2, has a mounting groove 201, the inner side of the mounting groove 201 has the connecting screw 11 for fixing the head 2 and the screw rod 1, the inner side of the mounting groove 201 has the sealing plug 10 for sealing the mounting groove 201, the top bent cross section of the screw rod 1 has a regular hexagon structure, and the top outer surface wall of the screw rod 1 is attached to the inner wall of the limiting groove 202, so that relative rotation between the screw rod 1 and the head 2 limiting groove 202 cannot occur.
The working principle is as follows: when the screw rod fixing device is used, after the screw rod 1 slides to the inner side of the mounting hole of the fixed part, the sealing washer 4 is sleeved outside the screw rod 1, the nut 3 is screwed outside the screw rod 1, the sealing film 8 is torn off, the nut 3 moves towards the direction of the sealing washer 4 to extrude the sealing washer 4, so that the sealing oil 9 inside the oil carrying cavity 401 is sprayed towards the screw rod 1 through the oil outlet hole 402, the sealing oil 9 is coated between the screw rod 1 and the nut 3, the top of the nut 3 and the screw rod 1 are sealed through the sealing washer 4, the bottom of the nut 3 and the screw rod 1 are sealed through the thread washer 7, so that oil sealing and sealing are realized between the nut 3 and the screw rod 1, the anti-erosion performance between the nut 3 and the screw rod 1 is improved, a combined structure is adopted between the head 2 and the screw rod 1, and the head 2 and the screw rod 1 are fixed through the connecting screw 11, connect screw 11 department through sealing plug 10 and sealing ring 12 and seal completely to prevent connecting screw 11 corrosion, when nut 3 can't unscrew, through dismantling connecting screw 11, accomplish the dismantlement between head 2 and the screw rod 1, thereby realize the whole dismantlement of bolt, promoted the flexibility that the bolt used.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a combination formula bolt with prevent erosion structure, includes screw rod (1), head (2) and nut (3), its characterized in that, the top fixedly connected with detachable head (2) of screw rod (1), the outside of screw rod (1) is connected with nut (3) through the screw thread closure soon, the outside of screw rod (1) is located and is equipped with seal ring (4) between head (2) and nut (3), the inside of seal ring (4) has oil-carrying chamber (401), the inboard of oil-carrying chamber (401) is provided with sealing oil (9), the bottom of seal ring (4) has oil outlet (402), the below that the bottom of seal ring (4) is close to oil outlet (402) is provided with seal membrane (8), the bottom of nut (3) is through spliced pole (5) fixedly connected with limiting plate (6), fixedly connected with thread washer (7) between limiting plate (6) and nut (3), the inner wall of the threaded washer (7) is attached to the outer surface wall of the screw rod (1).
2. A modular bolt with corrosion prevention according to claim 1, characterized in that the top of the head (2) has a limiting groove (202), and the top of the shank (1) is located inside the limiting groove (202).
3. The combined bolt with the anti-corrosion structure is characterized in that the top plane of the screw (1) is in a regular hexagon structure, the outer surface wall of the top of the screw (1) is attached to the inner wall of the limiting groove (202), and a sealing ring (12) is arranged between the top of the screw (1) and the head (2).
4. A modular bolt with corrosion prevention according to claim 1 characterized in that the top of the head (2) has a mounting groove (201).
5. A modular bolt with corrosion prevention according to claim 4, characterized in that the inside of the mounting groove (201) has a connection screw (11) for fixing the head (2) to the threaded rod (1).
6. A modular bolt with corrosion prevention according to claim 4, characterized in that the inside of the mounting groove (201) has a sealing plug (10) for sealing the mounting groove (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655471.1U CN215257264U (en) | 2021-03-31 | 2021-03-31 | Combined bolt with anti-corrosion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655471.1U CN215257264U (en) | 2021-03-31 | 2021-03-31 | Combined bolt with anti-corrosion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215257264U true CN215257264U (en) | 2021-12-21 |
Family
ID=79506856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120655471.1U Expired - Fee Related CN215257264U (en) | 2021-03-31 | 2021-03-31 | Combined bolt with anti-corrosion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215257264U (en) |
-
2021
- 2021-03-31 CN CN202120655471.1U patent/CN215257264U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |