CN220268688U - Novel thin-wall brazing structure square joint - Google Patents
Novel thin-wall brazing structure square joint Download PDFInfo
- Publication number
- CN220268688U CN220268688U CN202320601352.7U CN202320601352U CN220268688U CN 220268688 U CN220268688 U CN 220268688U CN 202320601352 U CN202320601352 U CN 202320601352U CN 220268688 U CN220268688 U CN 220268688U
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- China
- Prior art keywords
- wall
- sleeve
- connecting groove
- square joint
- joint
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Links
- 238000005219 brazing Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 abstract description 16
- 239000000295 fuel oil Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a novel thin-wall brazing structure square joint, which comprises: the copper liquid welding device comprises a sleeve and a square joint, wherein a first connecting groove is formed in the outer wall of one side of the square joint, a second connecting groove is formed in the outer wall of the sleeve, a copper liquid welding layer is fixedly installed on the second connecting groove, and the copper liquid welding layer is fixedly connected with the first connecting groove. According to the utility model, the welding layer and the filter screen are arranged for further enhancing the fixing strength and the sealing performance of the inner groove and the inner pipe, the filter screen is used for filtering impurities in fuel oil, the filter screen prevents impurities from blocking the fuel oil pipeline, the first connecting groove, the second connecting groove and the copper liquid welding layer are arranged for enabling the welding joint to form step dislocation, the filled copper liquid welding layer enables the welding joint to avoid sealing failure caused by protruding of the sealing surface due to too thin thickness in direct welding, and the copper liquid welding layer ensures the welding connection strength, so that the brazing quality and the sealing quality are ensured, and the welding joint has the advantages of being capable of improving the brazing strength and the sealing performance of the joint.
Description
Technical Field
The utility model relates to the technical field of automobile fuel pipeline joints, in particular to a novel thin-wall brazing structure square joint.
Background
The automobile fuel pipe is a pipeline component which is connected between the fuel tank and the engine and is used for conveying fuel on the automobile, and the main function is to ensure the normal operation of the engine, so that the automobile is more stable when running, and the phenomenon of shaking and the like is prevented.
However, in the prior art, the direct welding of the fuel pipe joint of the automobile according to the conventional design can cause the bulge of the sealing surface due to the too thin thickness of the product, thereby causing the sealing failure.
Disclosure of Invention
The utility model aims to provide a novel square joint with a thin-wall brazing structure, which has the advantages of improving the brazing strength and the joint tightness so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel thin-wall brazing structure square joint comprises a sleeve and a square joint, wherein a first connecting groove is formed in the outer wall of one side of the square joint, a second connecting groove is formed in the outer wall of the sleeve, a copper liquid welding layer is fixedly installed on the second connecting groove, and the copper liquid welding layer is fixedly connected with the first connecting groove.
Further, a through hole is formed in the inner wall of one side of the first connecting groove, and the through hole is matched with the inner diameter of the sleeve.
Further, the sleeve has an outer diameter of 7mm and the square joint has a thickness of 8.5mm.
Further, a barrel handle is fixedly arranged at one end of the sleeve, an inner groove is formed in one end of the barrel handle, and the inner groove is communicated with the sleeve.
Further, the inner wall of the sleeve is provided with a mounting groove, and the inner wall of the mounting groove is fixedly provided with an inner tube.
Further, a welding layer is fixedly arranged on the inner wall of the inner groove, and the welding layer is fixedly connected with the outer wall of the inner pipe.
Further, a filter screen is fixedly arranged on the inner wall of the sleeve.
In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:
according to the utility model, the first connecting groove, the second connecting groove and the copper liquid welding layer are arranged, so that step dislocation is formed at the welding joint of the square joint and the sleeve, the filled copper liquid welding layer can prevent the sealing surface from being raised due to too thin thickness during direct welding, so that sealing failure is avoided, the copper liquid welding layer ensures the connection strength between the sleeve and the square joint, thereby ensuring the brazing quality and the sealing quality, and the utility model has the advantages of improving the brazing strength and the joint sealing performance.
The welding layer and the filter screen are arranged, so that the fixing strength and the sealing performance of the inner groove and the inner pipe are further enhanced, the fuel oil leakage is avoided, the filter screen is used for filtering impurities in the fuel oil, and the filter screen is used for preventing the impurities from blocking a fuel oil pipeline.
Drawings
FIG. 1 is a schematic view of the overall structure of a novel thin-walled braze-structured square joint of the present utility model;
FIG. 2 is a schematic diagram of an assembly structure of a sleeve, a second connecting groove and a barrel handle in the utility model;
FIG. 3 is a schematic side cross-sectional view of a novel thin-walled braze-structured square joint of the present utility model;
FIG. 4 is a schematic diagram showing the assembly structure of the sleeve, the first connecting groove and the copper welding layer in the utility model.
In the figure: 1. a sleeve; 2. a square joint; 3. a first connecting groove; 4. a second connecting groove; 5. a copper liquid welding layer; 6. a through port; 7. a barrel handle; 8. an inner tank; 9. a mounting groove; 10. an inner tube; 11. a welding layer; 12. and (3) a filter screen.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
The utility model provides a novel thin-wall brazing structure square joint as shown in figures 1-4, which comprises a sleeve 1 and a square joint 2, wherein a first connecting groove 3 is formed in the outer wall of one side of the square joint 2, a second connecting groove 4 is formed in the outer wall of the sleeve 1, a copper liquid welding layer 5 is fixedly arranged on the second connecting groove 4, and the copper liquid welding layer 5 is fixedly connected with the first connecting groove 3.
In some embodiments, a through hole 6 is formed in an inner wall of one side of the first connecting groove 3, and the through hole 6 is adapted to an inner diameter of the sleeve 1, and more specifically, the fuel circulation can be facilitated.
In some embodiments, the sleeve 1 has an outer diameter of 7mm, and the square joint 2 has a thickness of 8.5mm, and more particularly, has a thin wall and can have good sealing performance after welding.
In some embodiments, a barrel handle 7 is fixedly installed at one end of the sleeve 1, an inner groove 8 is formed at one end of the barrel handle 7, and the inner groove 8 is communicated with the sleeve 1, more specifically, is convenient for fuel circulation.
In some embodiments, the inner wall of the sleeve 1 is provided with a mounting groove 9, and an inner tube 10 is fixedly mounted on the inner wall of the mounting groove 9, more specifically, the inner tube 10 is used for delivering fuel.
In some embodiments, a welding layer 11 is fixedly installed on the inner wall of the inner tank 8, and the welding layer 11 is fixedly connected with the outer wall of the inner pipe 10, more specifically, is used for further enhancing the fixing strength and the sealing performance, and avoiding the leakage of fuel oil.
In some embodiments, a filter screen 12 is fixedly mounted on the inner wall of the sleeve 1, more specifically, for filtering impurities in the fuel. Preventing impurities from blocking the fuel oil pipeline.
Working principle:
step one: offer spread groove one 3 and sleeve 1 on square joint 2 and offer spread groove two 4 for square joint 2 and sleeve 1 welded junction form step dislocation, then fill copper liquid welding layer 5 in the clearance that leaves to the welded part, make it can avoid when directly welding because of thickness is too thin leading to sealed face protruding, cause sealed inefficacy, copper liquid welding layer 5 has ensured the joint strength between sleeve 1 and the square joint 2, thereby guaranteed brazing quality and sealing quality.
Step two: the welding layer 11 is used for further enhancing the fixing strength and the sealing performance of the inner groove 8 and the inner pipe 10, avoiding the leakage of fuel oil, filtering impurities in the fuel oil, and the filter screen 12 prevents the impurities from blocking the fuel oil pipeline.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
1. Novel thin wall brazing structure square joint, including sleeve and square joint, its characterized in that: a first connecting groove is formed in the outer wall of one side of the square joint, a second connecting groove is formed in the outer wall of the sleeve, a copper liquid welding layer is fixedly mounted on the second connecting groove, and the copper liquid welding layer is fixedly connected with the first connecting groove.
2. The novel thin-walled brazed structured square joint according to claim 1, wherein: a through hole is formed in the inner wall of one side of the first connecting groove, and the through hole is matched with the inner diameter of the sleeve.
3. The novel thin-walled brazed structured square joint according to claim 1, wherein: the external diameter of sleeve is 7mm, the thickness of square joint is 8.5mm.
4. The novel thin-walled brazed structured square joint according to claim 1, wherein: one end of the sleeve is fixedly provided with a sleeve handle, one end of the sleeve handle is provided with an inner groove, and the inner groove is communicated with the sleeve.
5. The novel thin-walled brazed structured square joint according to claim 4, wherein: the inner wall of the sleeve is provided with a mounting groove, and the inner wall of the mounting groove is fixedly provided with an inner pipe.
6. The novel thin-walled brazed structured square joint according to claim 5, wherein: and a welding layer is fixedly arranged on the inner wall of the inner groove and fixedly connected with the outer wall of the inner pipe.
7. The novel thin-walled brazed structured square joint according to claim 1, wherein: and a filter screen is fixedly arranged on the inner wall of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601352.7U CN220268688U (en) | 2023-03-24 | 2023-03-24 | Novel thin-wall brazing structure square joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601352.7U CN220268688U (en) | 2023-03-24 | 2023-03-24 | Novel thin-wall brazing structure square joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268688U true CN220268688U (en) | 2023-12-29 |
Family
ID=89315302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320601352.7U Active CN220268688U (en) | 2023-03-24 | 2023-03-24 | Novel thin-wall brazing structure square joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268688U (en) |
-
2023
- 2023-03-24 CN CN202320601352.7U patent/CN220268688U/en active Active
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| GR01 | Patent grant |