CN217602823U - Laser welding structure for oil outlet nozzle of vehicle high-pressure fuel pump - Google Patents
Laser welding structure for oil outlet nozzle of vehicle high-pressure fuel pump Download PDFInfo
- Publication number
- CN217602823U CN217602823U CN202221062978.7U CN202221062978U CN217602823U CN 217602823 U CN217602823 U CN 217602823U CN 202221062978 U CN202221062978 U CN 202221062978U CN 217602823 U CN217602823 U CN 217602823U
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- fuel pump
- pressure fuel
- high pressure
- laser welding
- oil outlet
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- 239000000446 fuel Substances 0.000 title claims abstract description 80
- 238000003466 welding Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses an automobile-used high pressure fuel pump goes out oil nozzle laser welding structure, including the high pressure fuel pump body, the one end of the high pressure fuel pump body is provided with high pressure fuel pump goes out oil nozzle, connect through interference fit's mode between the high pressure fuel pump goes out oil nozzle and the high pressure fuel pump body, the spacing groove has been seted up to the one end of the high pressure fuel pump body, the chute has been seted up to the edge of spacing groove, the outside that the high pressure fuel pump goes out oil nozzle is provided with annular arch, annular arch and high pressure fuel pump go out oil nozzle and set up to the integrated into one piece structure, chute and the bellied inclination of annular all set up to forty-five degrees. The high-pressure fuel pump nozzle laser welding process has the characteristics of reasonable structure and convenient assembly, and avoids difficult clamping and difficult welding; the problem of high one-time investment cost of the friction welding machine is solved; the product finished by the laser welding process of the oil nozzle of the high-pressure fuel pump is bright and beautiful in appearance.
Description
Technical Field
The utility model relates to a fuel pump technical field specifically is an automobile-used high pressure fuel pump goes out glib laser welding structure.
Background
High pressure fuel pumps, a term of art in the automotive parts industry; is one of the basic components of the fuel injection system of the electronic fuel injection automobile; the main function of the fuel injection device is to convey high-pressure fuel to the fuel distribution pipe and ensure continuous fuel supply to the fuel injection nozzle. The oil outlet nozzle of the existing high-pressure fuel pump for the vehicle adopts a friction welding process, and the welding process has the following problems: the thin-wall pipe fitting is difficult to clamp and weld, and the friction welding machine has high one-time investment cost.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automobile-used high pressure fuel pump goes out oil nozzle laser welding structure, includes the high pressure fuel pump body, the one end of the high pressure fuel pump body is provided with high pressure fuel pump and goes out oil nozzle, connect through interference fit's mode between the high pressure fuel pump play oil nozzle and the high pressure fuel pump body, the spacing groove has been seted up to the one end of the high pressure fuel pump body, the chute has been seted up to the edge of spacing groove, the outside that the high pressure fuel pump goes out oil nozzle is provided with annular arch, annular arch and high pressure fuel pump play oil nozzle set up to the integrated into one piece structure, chute and the bellied inclination of annular all set up to forty-five degrees.
Furthermore, an oil outlet channel is formed in the inner side of the limiting groove in a penetrating mode.
Furthermore, a communicating cavity is formed in one end of the oil outlet nozzle of the high-pressure fuel pump in a penetrating mode, and the communicating cavity is of a funnel-shaped structure.
Furthermore, a sealing stopper is arranged on the outer side of the oil outlet nozzle of the high-pressure fuel pump, and an integrated forming structure is arranged between the sealing stopper and the oil outlet nozzle of the high-pressure fuel pump.
Furthermore, the inner side of the oil outlet nozzle of the high-pressure fuel pump is provided with connecting threads.
The working principle and the beneficial effects are as follows: firstly, inserting an oil outlet nozzle of a high-pressure fuel pump into a limiting groove formed in one end of a pump body of the high-pressure fuel pump, enabling an annular bulge to be tightly attached to a chute during insertion, and then welding a joint of the annular bulge and the chute by using a laser welding machine; the utility model has the characteristics of reasonable structure and convenient assembly, and the laser welding process of the oil outlet nozzle of the high-pressure fuel pump avoids difficult clamping and difficult welding; the problem of high one-time investment cost of the friction welding machine is solved; the product finished by the laser welding process of the oil outlet nozzle of the high-pressure fuel pump is bright and attractive in appearance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a high pressure fuel pump body of the present invention;
FIG. 3 is a schematic structural view of an oil outlet nozzle of the high pressure fuel pump of the present invention;
in the figure: 1. a high pressure fuel pump body; 11. a limiting groove; 12. an oil outlet channel; 13. a chute; 2. an oil outlet nozzle of the high-pressure fuel pump; 21. a communicating cavity; 22. an annular projection; 23. a seal stopper; 24. and connecting threads.
Detailed Description
The invention will be better understood from the following examples.
The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. In addition, the terms "upper", "lower", "front", "rear" and "middle" are used in the present specification for the sake of clarity, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative relationship can be changed or adjusted without substantial technical changes.
Please refer to fig. 1-3, a laser welding structure for a vehicular high-pressure fuel pump nozzle, which comprises a high-pressure fuel pump body 1, wherein a high-pressure fuel pump nozzle 2 is arranged at one end of the high-pressure fuel pump body 1, the high-pressure fuel pump nozzle 2 is connected with the high-pressure fuel pump body 1 in an interference fit manner, a limiting groove 11 is formed at one end of the high-pressure fuel pump body 1, a chute 13 is formed at the edge of the limiting groove 11, an annular protrusion 22 is arranged at the outer side of the high-pressure fuel pump nozzle 2, the annular protrusion 22 and the high-pressure fuel pump nozzle 2 are integrally formed, and the inclination angles of the chute 13 and the annular protrusion 22 are all set to be forty-five degrees.
Preferably, an oil outlet channel 12 is formed through the inner side of the limiting groove 11, and this arrangement is for facilitating the circulation of oil.
Preferably, the one end of the high pressure fuel pump oil nozzle 2 runs through and has been seted up the intercommunication chamber 21, and the shape in intercommunication chamber 21 sets up to the infundibulate structure, is in order to make things convenient for the oil that lets in the high pressure fuel pump body 1 to enter into the high pressure fuel pump oil nozzle 2 through setting up like this.
Preferably, a sealing stopper 23 is arranged on the outer side of the high-pressure fuel pump outlet nozzle 2, and an integrally formed structure is arranged between the sealing stopper 23 and the high-pressure fuel pump outlet nozzle 2, so that a gasket can be installed when the high-pressure fuel pump outlet nozzle 2 is connected with a pipeline, and the sealing performance of the connection between the high-pressure fuel pump outlet nozzle 2 and the pipeline can be improved.
Preferably, the inner side of the high pressure fuel pump nozzle 2 is provided with a connecting thread 24, which is arranged to facilitate the connection of the high pressure fuel pump nozzle 2 with a pipeline.
Claims (5)
1. The utility model provides an automobile-used high pressure fuel pump goes out glib laser welding structure, includes the high pressure fuel pump body (1), its characterized in that: the one end of the high-pressure fuel pump body (1) is provided with high-pressure fuel pump glib (2), the high-pressure fuel pump glib (2) is connected with the high-pressure fuel pump body (1) through interference fit's mode between, spacing groove (11) have been seted up to the one end of the high-pressure fuel pump body (1), chute (13) have been seted up to the edge of spacing groove (11), the outside that the high-pressure fuel pump glib (2) was provided with annular arch (22), annular arch (22) and high-pressure fuel pump glib (2) set up to the integrated into one piece structure, the inclination of chute (13) and annular arch (22) all sets up to forty-five degrees.
2. The laser welding structure for the flow nozzle of the high-pressure fuel pump for the vehicle as set forth in claim 1, wherein: an oil outlet channel (12) is arranged on the inner side of the limiting groove (11) in a penetrating manner.
3. The laser welding structure for the flow nozzle of the high-pressure fuel pump for the vehicle as set forth in claim 1, wherein: one end of the high-pressure fuel pump oil outlet nozzle (2) penetrates through a communicating cavity (21), and the communicating cavity (21) is in a funnel-shaped structure.
4. The laser welding structure for the flow nozzle of the high-pressure fuel pump for the vehicle as set forth in claim 1, wherein: a sealing stopper (23) is arranged on the outer side of the high-pressure fuel pump oil outlet nozzle (2), and an integrated forming structure is arranged between the sealing stopper (23) and the high-pressure fuel pump oil outlet nozzle (2).
5. The laser welding structure for the flow nozzle of the high-pressure fuel pump for the vehicle as set forth in claim 1, wherein: the inner side of the oil outlet nozzle (2) of the high-pressure fuel pump is provided with a connecting thread (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221062978.7U CN217602823U (en) | 2022-05-06 | 2022-05-06 | Laser welding structure for oil outlet nozzle of vehicle high-pressure fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221062978.7U CN217602823U (en) | 2022-05-06 | 2022-05-06 | Laser welding structure for oil outlet nozzle of vehicle high-pressure fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217602823U true CN217602823U (en) | 2022-10-18 |
Family
ID=83567212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221062978.7U Active CN217602823U (en) | 2022-05-06 | 2022-05-06 | Laser welding structure for oil outlet nozzle of vehicle high-pressure fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217602823U (en) |
-
2022
- 2022-05-06 CN CN202221062978.7U patent/CN217602823U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A laser welding structure for the high-pressure fuel pump nozzle of a vehicle Granted publication date: 20221018 Pledgee: Sixian small and medium-sized enterprises financing Company Limited by Guarantee Pledgor: Anhui Gaojian Machinery Technology Co.,Ltd. Registration number: Y2024980010282 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |