CN219865818U - Fuel tank sealing nut - Google Patents
Fuel tank sealing nut Download PDFInfo
- Publication number
- CN219865818U CN219865818U CN202321117569.7U CN202321117569U CN219865818U CN 219865818 U CN219865818 U CN 219865818U CN 202321117569 U CN202321117569 U CN 202321117569U CN 219865818 U CN219865818 U CN 219865818U
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- CN
- China
- Prior art keywords
- nut
- groove
- threaded
- notch
- ring
- Prior art date
- 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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- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 239000002828 fuel tank Substances 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims abstract description 3
- 239000000446 fuel Substances 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 229920001821 foam rubber Polymers 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Gasket Seals (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides a fuel tank sealing nut, which relates to the technical field of sealing nuts and comprises a nut, wherein a threaded notch is formed in the nut, an annular groove is formed in one end of the inner wall of the threaded notch, a sealing gasket is arranged in the annular groove, a groove is formed in one side of the groove wall of the annular groove, which is positioned on the end face of the nut, a bulge embedded in the groove is formed on one side of the sealing gasket in an extending mode during extrusion deformation, a material injection hole for filling filler is formed in one side of the nut, which is far away from the annular groove, after the threads of the threaded notch are filled with foam rubber, the threaded ring is sleeved on a screw rod of a bolt, then position installation is realized by means of threaded connection with an annular sinking groove, and a sealing piece arranged at the moment is attached to the surface of the screw rod of the bolt, so that sealing and waterproofing of a seam contacted with the other side of the threaded notch can be realized, and the foam rubber in the groove is prevented from being corroded by water vapor, and the integrity of the foam rubber is ensured.
Description
Technical Field
The utility model relates to the technical field of sealing nuts, in particular to a fuel tank sealing nut.
Background
The nut is a part which is screwed together with a bolt or a screw rod to play a role in fastening, is connected with the bolt with the same specification through an inner thread, and is divided into a plurality of types of carbon steel, stainless steel, nonferrous metal (such as copper) and the like according to different materials of one element which is necessary for manufacturing machinery.
The sealed fuel tank is a tank body for storing liquid, gas or solid fuel, the tank body for storing fuel must ensure complete sealing for ensuring safety, the pipe body can ensure sealing through welding, but the tank cover at the tank opening is formed through bolt connection, the threads of common nuts and bolts are in an incomplete sealing state when being attached, and are subjected to wind and rain for a long time, the threads of the nuts and the bolts are easy to rust, and the connection strength of the bolts and the nuts is further affected.
Disclosure of Invention
The utility model aims to solve the problems that screw teeth of a nut and a bolt are in an incomplete sealing state when being stuck and are subjected to wind and rain for a long time, and the screw teeth of the nut and the bolt are easy to rust so as to influence the connection strength of the bolt and the nut.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fuel tank seal nut, includes the nut, the screw notch has been seted up on the nut, the ring channel has been seted up to the inner wall one end of screw notch, be provided with sealed pad in the ring channel, and the cell wall of ring channel is located one side of nut terminal surface and has seted up flutedly, sealed pad one side extends has the arch in the embedding recess when extrusion deformation, the one side that the ring channel was kept away from to the nut has been seted up and has been used for the filler to pour into the material mouth, the one end of material mouth extends to in the screw notch, a plurality of slots have been seted up to the inner wall of screw notch, the slot distributes along the thickness direction of nut, and a plurality of screw thread inside intercommunication of slot and screw notch inner wall.
The utility model further optimizes the scheme: the sealing gasket is far away from the convex one side and extends the snap ring, the cross section of the snap ring is L-shaped, and the inner wall of the annular groove is provided with a clamping groove for embedded installation of the snap ring.
The utility model further optimizes the scheme: the nut is also provided with a rubber ring which is sleeved on the bolt and is attached to the inner wall of the bulge.
The utility model further optimizes the scheme: the material injection opening is L-shaped.
The utility model further optimizes the scheme: an annular sinking groove is formed in one surface, away from the annular groove, of the nut, a threaded ring is connected to the nut through the annular sinking groove in a threaded mode, and a sealing piece is arranged at one end of the threaded ring.
The utility model further optimizes the scheme: one end of the groove facing the annular groove is arranged in a closed mode, and one end of the groove far away from the annular groove extends out of the threaded notch.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, after the bolts penetrate through the pipe orifice of the fuel sealing tank, the nuts are sleeved, the nuts are clamped by rotating the bolts, so that the nuts gradually draw close to the fuel sealing tank, the protrusions are extruded and deformed to be filled in the grooves, and when the protrusions are extruded and deformed, the sealing gasket is extruded and deformed and is attached to the screw teeth of the bolts, and further, the sealing between one surface of the nuts and the surface of the fuel sealing tank is realized.
2. According to the utility model, the foam rubber is injected into the threaded notch through the material injection port, the threaded notch and the surface of the bolt thread positioned in the nut are completely filled, so that water vapor or dust is prevented from entering, the nut or the bolt thread is prevented from being rusted, the used foam rubber further prevents the nut from rotating loose due to vibration of the tank body, and the relative position of the bolt and the nut is ensured to be fixed.
3. According to the utility model, after the threads of the threaded notch are filled with foam rubber, the threaded ring is sleeved on the screw rod of the bolt, and then the position installation is realized by utilizing the threaded connection with the annular sinking groove, and the sealing piece arranged at the moment is attached to the surface of the screw rod of the bolt, so that the sealing and waterproofing of the seam where the screw rod of the bolt is contacted with the other surface of the threaded notch can be realized, the foam rubber in the groove is prevented from being corroded by water vapor, and the integrity of the foam rubber is ensured.
Drawings
Fig. 1 is a schematic perspective view of a fuel tank seal nut according to the present utility model;
FIG. 2 is a schematic view showing a top-down structure of the fuel tank seal nut of FIG. 1 according to the present utility model;
FIG. 3 is a schematic illustration of the front cross-sectional structure of FIG. 1 illustrating a fuel tank seal nut in accordance with the present utility model;
fig. 4 is an enlarged view at a in fig. 3.
Legend description: 1. a nut; 2. a threaded ring; 3. a threaded notch; 4. a groove; 5. a groove; 6. a sealing gasket; 7. a protrusion; 8. a rubber ring; 9. a clasp; 10. a clamping groove; 11. an annular sink; 12. a material injection port; 13. an annular groove; 14. and a sealing sheet.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
As shown in fig. 1-4, a sealing nut for a fuel tank comprises a nut 1, a threaded notch 3 is formed in the nut 1, an annular groove 13 is formed in one end of the inner wall of the threaded notch 3, a sealing gasket 6 is arranged in the annular groove 13, a groove 5 is formed in one side of the groove wall of the annular groove 13, the groove 5 is embedded with a protrusion 7 when the sealing gasket 6 is deformed in an extrusion mode, a filling port 12 for filling is formed in one side, away from the annular groove 13, of the nut 1, one end of the filling port 12 extends into the threaded notch 3, a plurality of grooves 4 are formed in the inner wall of the threaded notch 3, the grooves 4 are distributed along the thickness direction of the nut 1, and the grooves 4 are communicated with the inner threads of the inner wall of the threaded notch 3.
The effect of this scheme lies in: after the bolts penetrate through the pipe orifice of the fuel sealing tank, the nuts 1 are sleeved, the nuts 1 are clamped by rotating the bolts, so that the nuts 1 gradually approach the fuel sealing tank, the protrusions 7 are further extruded and deformed to be filled in the grooves 5, and when the protrusions 7 are extruded and deformed, the sealing gaskets 6 are extruded and deformed and are attached to screw teeth of the bolts, and further one face of the nuts 1 is sealed;
or after the relative position of the bolt and the nut 1 is fixed, the foam rubber is injected into the thread notch 3 through the material injection port 12, and the thread notch 3 and the surface of the bolt thread positioned in the nut 1 are completely filled, so that water vapor or dust is prevented from entering, the nut 1 or the bolt thread is rusted, the relative position of the nut 1 and the bolt thread is further ensured to be fixed, namely the tightness of the mouth of the fuel seal tank is ensured, the groove 4 is convenient for the foam rubber injected through the material injection port 12 to enter the groove 4 along the thread of the thread notch 3, and the injected foam rubber can be enabled to quickly fill the screw of the whole thread notch 3 through the contact of the groove 4 and the thread grooves of other positions.
As a further optimization of the present utility model, as shown in fig. 4: the sealing gasket 6 extends a clamping ring 9 away from one surface of the bulge 7, the cross section of the clamping ring 9 is L-shaped, a clamping groove 10 for embedded installation of the clamping ring 9 is formed in the inner wall of the annular groove 13, and a rubber ring 8 which is sleeved on a bolt and is attached to the inner wall of the bulge 7 is also arranged on the nut 1;
in this scheme, the snap ring 9 is the same with the material of sealed pad 6, all has elasticity, so in the draw-in groove 10 is plugged into to the snap ring 9 of being convenient for, makes sealed pad 6 install in ring channel 13, and the rubber ring 8 cover that sets up is established on the bolt, and when screwing up bolt nut, rubber ring 8 is located between bolt and the fuel jar mouth, can make the junction of bolt and fuel seal jar seal.
As a further optimization of the present utility model, as shown in fig. 3: the material injection port 12 is L-shaped;
in this scheme, the filling port 12 that the L type set up, after the foam gum of packing expands completely, in the filling port 12 department of bending of L type, can guarantee that a part of foam gum remains in the filling port 12, prevent that water from getting into in the screw notch 3 along the filling port 12.
As a further optimization of the present utility model, as shown in fig. 3: an annular sinking groove 11 is formed in one surface of the nut 1, which is far away from the annular groove 13, a threaded ring 2 is connected to the nut 1 through the annular sinking groove 11 in a threaded manner, a sealing piece 14 is arranged at one end of the threaded ring 2, one end of the groove 4, which faces the annular groove 13, is in a closed arrangement, and one end of the groove 4, which is far away from the annular groove 13, extends out of the threaded notch 3;
in this scheme, the annular countersink 11 that sets up is convenient for be in the bolt complete with nut 1 cooperation to after the screw thread of screw notch 3 is filled with the foam, with the cover of screw thread ring 2 on the screw rod of bolt, then utilize with the threaded connection of annular countersink 11 realize the position installation, and the sealing fin 14 laminating bolt screw rod surface that sets up this moment can play the sealing waterproof of the seam of bolt screw rod and the contact of screw notch 3 another side.
The working principle is that the rubber ring 8 is sleeved on the bolt, then the bolt passes through the tank opening of the fuel seal tank, the nut 1 is sleeved, the nut 1 is clamped, and the threaded connection of the bolt and the nut 1 is utilized, so that the nut 1 is gradually close to the surface of the fuel seal tank, and moves, simultaneously, the bulge 7 is forced to elastically deform into the groove 5, one surface of the annular groove 13 of the nut 1 and the fuel seal tank are completely sealed, the waterproof and dustproof effects are achieved, after the installation of the bolt and the nut 1 is completed, the filled foam rubber is injected into the threaded notch 3 and the bolt thread through the material injection hole 12, the threaded notch 3 and the thread of the bolt are prevented from being corroded due to the adhesion of water vapor, the threaded ring 2 is sleeved on the screw of the bolt, then the position installation is realized by utilizing the threaded connection with the annular sinking groove 11, and the sealing piece 14 arranged at the moment is attached to the surface of the screw of the bolt, so that the seam contacted by the screw and the threaded notch 3 can be sealed and waterproof.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a fuel jar seal nut, includes nut (1), set up screw notch (3) on nut (1), its characterized in that: the inner wall one end of screw notch (3) has seted up ring channel (13), be provided with sealed pad (6) in ring channel (13), and groove (5) have been seted up on one side that the cell wall of ring channel (13) is located nut (1) terminal surface, sealed pad (6) one side extends has protruding (7) in embedding groove (5) when extrusion deformation, the one side that ring channel (13) was kept away from to nut (1) has been seted up and is used for filler injection's notes material mouth (12), the one end of annotating material mouth (12) extends to in screw notch (3), a plurality of slot (4) have been seted up to the inner wall of screw notch (3), slot (4) are distributed along the thickness direction of nut (1), and a plurality of screw thread inside intercommunication of slot (3) inner wall.
2. The fuel tank seal nut according to claim 1, characterized in that: the sealing gasket (6) is far away from one side of the bulge (7) and extends the clamping ring (9), the section of the clamping ring (9) is L-shaped, and a clamping groove (10) for embedded installation of the clamping ring (9) is formed in the inner wall of the annular groove (13).
3. The fuel tank seal nut according to claim 1, characterized in that: the nut (1) is also provided with a rubber ring (8) which is sleeved on the bolt and is attached to the inner wall of the bulge (7).
4. The fuel tank seal nut according to claim 1, characterized in that: the material injection opening (12) is L-shaped.
5. The fuel tank seal nut according to claim 1, characterized in that: an annular sinking groove (11) is formed in one surface, far away from the annular groove (13), of the nut (1), a threaded ring (2) is connected to the nut (1) through the annular sinking groove (11) in a threaded mode, and a sealing piece (14) is arranged at one end of the threaded ring (2).
6. The fuel tank seal nut according to claim 1, characterized in that: one end of the groove (4) facing the annular groove (13) is arranged in a closed mode, and one end of the groove (4) far away from the annular groove (13) extends out of the threaded notch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321117569.7U CN219865818U (en) | 2023-05-11 | 2023-05-11 | Fuel tank sealing nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321117569.7U CN219865818U (en) | 2023-05-11 | 2023-05-11 | Fuel tank sealing nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865818U true CN219865818U (en) | 2023-10-20 |
Family
ID=88332718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321117569.7U Active CN219865818U (en) | 2023-05-11 | 2023-05-11 | Fuel tank sealing nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865818U (en) |
-
2023
- 2023-05-11 CN CN202321117569.7U patent/CN219865818U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |