CN220151694U - Main stud and nut junction structure - Google Patents
Main stud and nut junction structure Download PDFInfo
- Publication number
- CN220151694U CN220151694U CN202321635064.XU CN202321635064U CN220151694U CN 220151694 U CN220151694 U CN 220151694U CN 202321635064 U CN202321635064 U CN 202321635064U CN 220151694 U CN220151694 U CN 220151694U
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- CN
- China
- Prior art keywords
- nut
- connecting piece
- protective cover
- stud
- peripheral wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a structure of a joint of a main stud and a nut, which relates to an accessory structure of the main stud applicable to a pressure vessel, and the technical scheme is as follows: the anti-theft protection device comprises a stud and a nut screwed to the end part of the stud, wherein a connecting piece is clamped on the peripheral wall of the nut, a detachable protection cover is connected on the peripheral wall of the connecting piece, and a sealing ring is arranged at the cover opening of the protection cover. According to the utility model, the connecting part of the protective cover and the nut is arranged in the protective cover, and the sealing ring attached to the mounting part is arranged on the protective cover, so that the effect of sealing the screw and the nut is achieved, and meanwhile, the connecting piece and the protective cover are sealed in, so that the conditions of corrosion or corrosion of the sealing screw and the nut and the connecting piece and the protective cover are prevented.
Description
Technical Field
The utility model relates to an auxiliary structure of a main stud suitable for a pressure container, in particular to a structure of a joint of the main stud and a nut.
Background
At present, in the design and manufacture of a pressure container, a great deal of main studs and nuts are required to realize the fixed connection between the parts. When the pressure vessel is repaired, the nut needs to be unscrewed, the nut is taken off from the front end of the main stud, and then the component can be disassembled, but rust or corrosion can often occur at the joint of the main stud and the nut, so that the main stud and the nut are difficult to disassemble, and the working efficiency is affected.
The main stud and nut joint structure disclosed in Chinese patent with publication number of CN215861184U has the technical key points that: the novel anti-theft protection device comprises a main stud, a nut screwed at the front end of the main stud, a barrel-shaped protection cover covered on the front end of the main stud and a bolt used for connecting the protection cover with the main stud, wherein the opening end of the protection cover is flush with the bottom end of the nut, a threaded hole coaxial with the main stud is formed in the end face of the front end of the main stud, a first hole is formed in the barrel bottom of the protection cover, and the bolt penetrates through the first hole and is screwed in the threaded hole.
According to the scheme, the problem that the main stud and the nut are difficult to detach due to the fact that the connecting part of the main stud and the nut is easy to rust or corrode is solved. However, in the above scheme, the connection part of the main stud and the nut is protected only by the protective cover, and the protective cover is fixed through the bolt at the end, and the bolt is exposed to the outside and is easy to be corroded or corroded.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a structure at the joint of a main stud and a nut, wherein the joint of a protective cover and the nut is arranged in the protective cover, and a sealing ring attached to an installation part is arranged on the protective cover, so that the effect of sealing the screw and the nut is achieved, and meanwhile, a connecting piece and the protective cover are sealed in, so that the occurrence of corrosion or corrosion of the sealing screw and the nut and the connecting piece and the protective cover is prevented.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a main double-screw bolt and nut junction structure, includes the double-screw bolt and screws to the nut of double-screw bolt tip, the joint has the connecting piece on the nut periphery wall, be connected with detachable protection casing on the connecting piece periphery wall, the cover mouth department of protection casing is provided with the sealing ring.
The utility model is further provided with: the connecting piece is a disc with a groove body corresponding to the nut in the center, a plurality of limit grooves are formed in the annular array at one end, close to the installation portion, of the peripheral wall of the nut, a plurality of clamping blocks corresponding to the limit grooves respectively are arranged on the connecting piece in an annular array mode, and blocking surfaces for preventing the clamping blocks from sliding towards the end portions of the screw rods are arranged in the limit grooves.
The utility model is further provided with: external threads are arranged on the peripheral wall of the connecting piece, and internal threads corresponding to the external threads are arranged on the inner wall of the protective cover.
The utility model is further provided with: the protective cover is a hexagonal prism with one end provided with a cylindrical groove body.
In summary, the utility model has the following beneficial effects:
screw the double-screw bolt to the installation department, then correspond the fixture block on the connecting piece with the spacing groove on the nut, screw the nut with the screw rod again and be connected, after installing screw rod and nut, with protection casing and connecting piece threaded connection, screw the protection casing and make sealing ring and installation department laminate completely, reach the effect of sealing screw rod and nut, seal connecting piece and protection casing including simultaneously to prevent that sealing screw rod and nut and connecting piece and the circumstances of protection casing corrosion or corruption from taking place.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is an exploded view of the present utility model.
In the figure: 1. a stud; 2. a nut; 3. a connecting piece; 4. a protective cover; 5. a seal ring; 6. a limit groove; 7. and (5) clamping blocks.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings and examples.
The structure of the joint of the main stud 1 and the nut 2 is shown in fig. 1-3, and comprises the stud 1 and the nut 2 screwed to the end part of the stud 1, a connecting piece 3 is clamped on the peripheral wall of the nut 2, a detachable protective cover 4 is connected on the peripheral wall of the connecting piece 3, and a sealing ring 5 is arranged at the cover opening of the protective cover 4.
In the above embodiment, the stud 1 is screwed to the mounting portion, then the connecting piece 3 is clamped on the nut 2, then the nut 2 is screwed with the screw, after the screw and the nut 2 are mounted, the protective cover 4 is connected with the connecting piece 3, so that the sealing ring 5 is attached to the mounting portion, the effect of sealing the screw and the nut 2 is achieved, and meanwhile, the connecting piece 3 and the protective cover 4 are sealed, so that the situation that the sealing screw and the nut 2 and the connecting piece 3 and the protective cover 4 are corroded or corroded is prevented.
Specifically, the connecting piece 3 is a disc with a groove body corresponding to the nut 2 at the center, a plurality of limit grooves 6 are annularly arranged at one end, close to the installation part, of the peripheral wall of the nut 2, a plurality of clamping blocks 7 respectively corresponding to the limit grooves 6 are annularly arranged on the connecting piece 3, and a blocking surface for preventing the clamping blocks 7 from sliding towards the end part of the screw rod is arranged in the limit grooves 6.
In the above embodiment, the clamping block 7 corresponds to the limiting groove 6, and the blocking surface is limited by the clamping block 7, so that the connecting piece 3 can only slide in the limiting groove 6 and cannot be directly detached after the nut 2 is screwed onto the screw.
Specifically, the outer peripheral wall of the connecting piece 3 is provided with external threads, and the inner wall of the protective cover 4 is provided with internal threads corresponding to the external threads.
In the above embodiment, the setting of external screw thread and internal screw thread for protection casing 4 and connecting piece 3 threaded connection, screw protection casing 4 for sealing washer and installation department laminating more.
Specifically, the protection casing 4 is a hexagonal prism of cylinder cell body has been seted up to one end.
In the above embodiment, the protection cover 4 is provided with a hexagonal prism as the peripheral wall, so that the protection cover 4 is conveniently screwed onto the connecting piece 3.
Working principle:
screw bolt 1 is screwed to the installation department, then the fixture block 7 on the connecting piece 3 corresponds with spacing groove 6 on the nut 2, screw the nut 2 with the screw rod and twist and be connected again, after installing screw rod and nut 2, with protection casing 4 and connecting piece 3 threaded connection, screw the protection casing 4 and make sealing ring 5 and installation department laminate completely, reach the effect of sealing screw rod and nut 2, seal connecting piece 3 and protection casing 4 simultaneously in to prevent that sealing screw rod and nut 2 and connecting piece 3 and protection casing 4 rust or the condition of corroding from taking place.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (4)
1. The utility model provides a junction structure of main double-screw bolt (1) and nut (2), includes double-screw bolt (1) and screws to nut (2) of double-screw bolt (1) tip, its characterized in that: the nut is characterized in that a connecting piece (3) is clamped on the outer peripheral wall of the nut (2), a detachable protective cover (4) is connected on the outer peripheral wall of the connecting piece (3), and a sealing ring (5) is arranged at a cover opening of the protective cover (4).
2. The structure of the junction of a main stud (1) and a nut (2) according to claim 1, characterized in that: the connecting piece (3) is a disc with a groove body corresponding to the nut (2) in the center, a plurality of limit grooves (6) are formed in an annular array at one end, close to the installation portion, of the peripheral wall of the nut (2), a plurality of clamping blocks (7) corresponding to the limit grooves (6) are arranged on the connecting piece (3) in an annular array mode, and blocking surfaces for preventing the clamping blocks (7) from sliding towards the end portions of the screw rods are arranged in the limit grooves (6).
3. The structure of the junction of a main stud (1) and a nut (2) according to claim 2, characterized in that: external threads are arranged on the peripheral wall of the connecting piece (3), and internal threads corresponding to the external threads are arranged on the inner wall of the protective cover (4).
4. A main stud (1) and nut (2) junction structure according to claim 3, characterized in that: the protective cover (4) is a hexagonal prism with one end provided with a cylindrical groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321635064.XU CN220151694U (en) | 2023-06-26 | 2023-06-26 | Main stud and nut junction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321635064.XU CN220151694U (en) | 2023-06-26 | 2023-06-26 | Main stud and nut junction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151694U true CN220151694U (en) | 2023-12-08 |
Family
ID=89015465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321635064.XU Active CN220151694U (en) | 2023-06-26 | 2023-06-26 | Main stud and nut junction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151694U (en) |
-
2023
- 2023-06-26 CN CN202321635064.XU patent/CN220151694U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |