CN109340002B - Fixed subassembly of lightweight oil tank fuel pump - Google Patents
Fixed subassembly of lightweight oil tank fuel pump Download PDFInfo
- Publication number
- CN109340002B CN109340002B CN201811352387.1A CN201811352387A CN109340002B CN 109340002 B CN109340002 B CN 109340002B CN 201811352387 A CN201811352387 A CN 201811352387A CN 109340002 B CN109340002 B CN 109340002B
- Authority
- CN
- China
- Prior art keywords
- clamping
- fuel pump
- ring
- corrugated
- locking 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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Links
- 239000000446 fuel Substances 0.000 title claims abstract description 24
- 238000002788 crimping Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 1
- 239000002828 fuel tank Substances 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a lightweight fuel tank fuel pump fixing assembly in the field of automobiles, which comprises a fixing ring and a locking ring which are matched with each other, wherein a plurality of clamping plates matched with the locking ring are upwards formed on the surface of the fixing ring, the clamping plates comprise supporting parts formed on the upper surface of the fixing ring, and the top ends of the supporting parts are folded towards the center of the fixing ring to form upper press-connection parts.
Description
Technical Field
The invention relates to an oil tank, in particular to an oil tank fuel pump.
Background
The fuel pump of an automobile is typically mounted between the fuel tank and the carburetor piping, outside the fuel tank. Since automobiles use electronic fuel injection systems, the oil pressure has increased, and automobiles using electronic fuel injection systems typically have fuel pumps placed inside the fuel tanks in order to have the fuel pump output pressure high and the pulse as small as possible. In order to fix the fuel pump inside the fuel tank, a fuel pump fixing assembly is generally adopted, and various fuel pump fixing devices are disclosed in the prior art, such as the following publication numbers: CN206268070U, CN206267998U is disadvantageous in that, as shown in fig. 7, the locking ring in the prior art is assembled between the fixing ring and the locking ring by forming a clamping groove on the circumference of the locking ring, which is matched with the clamping plate, but the locking ring has a large number of materials, and does not meet the requirements of light weight, energy saving and emission reduction.
Disclosure of Invention
The invention aims to provide a lightweight fuel tank fuel pump fixing component which saves materials, reduces cost, meets the lightweight requirement and plays a role in energy conservation and emission reduction.
The purpose of the invention is realized in the following way: the utility model provides a fixed subassembly of lightweight oil tank fuel pump, includes fixed ring and the locking ring of mutually matching, fixed ring surface upwards is formed with a plurality of clamping plates with locking ring complex, the clamping plate is including forming in the supporting part of fixed ring upper surface, and the top of supporting part turns over to the fixed ring center and turns over the formation crimping portion, a serial communication port, the locking ring has arc breach along circumferencial direction processing, circumference portion between the arc breach is as the lower crimping portion fixed with the clamping plate cooperation.
When the invention is used, the fixing ring and the mailbox are fixedly assembled, the sealing ring and the fuel pump assembly are sequentially arranged, and finally the locking ring is pressed against the fuel pump assembly and rotated, so that the clamping plate and the lower press joint part are assembled in a fitting way. Compared with the prior art, the invention has the beneficial effects that the part of the periphery of the clamping groove is omitted, so that raw materials are greatly saved, the light weight requirement is met, and the energy conservation and emission reduction are realized. The invention can be used in fuel pump installation.
In order to enable the clamping plate to be clamped with the upper pressure welding part more stably and reliably, an upward concave groove is formed in the middle of the upper pressure welding part, a boss matched with the groove is formed in the surface of the lower pressure welding part, and the boss slides into the groove in the clockwise direction. The matching of the grooves and the bosses is more stable and reliable.
In order to enable the clamping connection of the clamping plate and the upper pressure connection part to be more reliable, the groove is formed by two corrugated structures, the two corrugated structures are a first corrugated part and a second corrugated part in sequence along the sliding-in direction of the boss, and the trough of the first corrugated part is higher than that of the second corrugated part. The first corrugation is designed to prevent the boss from sliding out of the sliding-in direction, and the second corrugation is designed to prevent the boss from sliding out of the other side inadvertently when sliding in from one side.
In order to make the assembly of locking ring more convenient, still processing has clamping part on the lower crimping portion, clamping part is located between arc breach and the boss, support breach has been seted up on the clamping part. During assembly, the clamping jaw clamps the clamping part, the locking ring is controlled to be pressed down and then rotated, and the locking ring is assembled.
In order to enable the clamping jaw to clamp the locking ring more reliably, the clamping part is formed by upward stamping, and the clamping part and the lower crimping part are in transition through an arc surface. During assembly, the lower end of the clamping jaw cannot exceed the bottom surface of the locking ring, so that the clamping environment is required to be high, and in order to enable clamping to be more reliable, the clamping part is punched upwards to form a certain clamping distance with the bottom surface of the locking ring, so that the clamping jaw is enabled to be more reliable in clamping.
In order to further facilitate assembly, a limiting protrusion is machined on one side, close to the protrusion, of the supporting notch. Through the spacing arch of design for the locking ring can realize prescribing a limit when the assembly is rotatory, thereby avoids the problem of excessive rotation.
In order to facilitate the production of the invention, the arc notch is used as a stamping joint and sheared after the processing is completed. The stamping connection part is arranged at the arc-shaped notch, and the later use is not affected when shearing is performed after the processing is finished.
In order to enhance the stability of the whole structure, the clamping plates are uniformly arranged on the periphery of the fixing ring. The uniform distribution structure ensures that the overall structure has stronger stability.
Drawings
FIG. 1 is a schematic view of the assembly of the present invention.
Fig. 2 is a schematic view of a locking ring according to the present invention.
Figure 3 is a top view of the locking ring of the present invention.
Fig. 4 is a schematic structural view of a fixing ring in the present invention.
Fig. 5 is a front view of the retaining ring of the present invention.
Fig. 6 is a partial view of the use state of the present invention.
Fig. 7 is a schematic view of a prior art locking ring.
The oil tank comprises a locking ring 1, an arc notch 101, a lower press joint part 102, a boss 103, a clamping part 104, a stamping joint part 105, a limiting protrusion 106, a fixed ring 2, a clamping plate 201, a supporting part 201a, an upper press joint part 201b, a first corrugated part 201b-1, a second corrugated part 201b-2, a groove 201b-3, a fuel pump assembly 3, a sealing ring 4 and an oil tank 5.
Detailed Description
The fixing component of the fuel pump of the lightweight fuel tank as shown in figures 1-6 comprises a fixing ring 2 and a locking ring 1 which are matched with each other, wherein a plurality of clamping plates 201 matched with the locking ring 1 are upwards formed on the surface of the fixing ring 2, the clamping plates 201 are uniformly arranged on the periphery of the fixing ring 2, each clamping plate 201 comprises a supporting part 201a formed on the upper surface of the fixing ring 2, the top end of each supporting part 201a is folded towards the center of the fixing ring 2 to form an upper pressure-connection part 201b, an arc-shaped notch 101 is processed on the locking ring 1 along the circumferential direction, the arc-shaped notch 101 is used as a stamping connection part 105, the locking ring is sheared after the processing is finished, the circumferential part between the arc-shaped notches 101 is used as a lower pressure-connection part 102 matched and fixed with the clamping plates 201, the middle part of the upper pressure-connection part 201b is processed with an upwards concave groove 201b-3, the surface of the lower crimping part 102 is provided with a boss 103 matched with the groove 201b-3, the boss 103 slides into the groove 201b-3 along the clockwise direction, the groove 201b-3 is formed by two corrugated structures, the two corrugated structures are a first corrugated part 201b-1 and a second corrugated part 201b-2 along the sliding direction of the boss 103, the trough of the first corrugated part 201b-1 is higher than that of the second corrugated part 201b-2, the lower crimping part 102 is also provided with a clamping part 104, the clamping part 104 is positioned between the arc notch 101 and the boss 103, the clamping part 104 is provided with a supporting notch, the clamping part 104 is formed by upward punching, the clamping part 104 and the lower crimping part 102 are transited through an arc surface, and one side of the supporting notch, which is close to the boss 106, is provided with a limiting boss 106.
When the invention is assembled, the fixed ring 2 and the oil tank 5 are fixed (can be fixedly connected in a welding or injection molding mode), the oil tank 5 is provided with a sealing groove, the sealing ring 4 is put into the sealing groove, then the fuel pump assembly 3 is put into the sealing groove, and finally the locking ring 1 is pressed in, and the installation method of the locking ring 1 comprises the following steps: the clamping jaw clamps the clamping part 104 on the locking ring 1, the locking ring 1 is pressed downwards, the arc-shaped notch 101 of the locking ring 1 is aligned with the clamping plate 201 to be inserted, the locking ring 1 is rotated after the insertion, the clamping jaw is released after the boss 103 slides into the groove 201b-3, and the locking ring 1 is clamped on the fixed ring 2 under the elastic action of the sealing ring 4, so that the assembly of the fuel pump assembly 3 is completed.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (3)
1. The utility model provides a lightweight oil tank fuel pump fixed subassembly, includes mutually matched fixed ring and locking ring, fixed ring surface upwards is formed with a plurality of cardboard that cooperates with the locking ring, the cardboard is including forming in the supporting part of fixed ring upper surface, and the top of supporting part turns over to the fixed ring center and forms upper crimping portion, its characterized in that, the locking ring is processed along circumference direction has arc breach, and the circumference portion between the arc breach is as the lower crimping portion that cooperates fixedly with the cardboard;
the middle part of the upper pressure welding part is provided with an upward concave groove, the surface of the lower pressure welding part is provided with a boss matched with the groove, and the boss slides into the groove along the clockwise direction; the grooves are formed by two corrugated structures, the two corrugated structures are a first corrugated part and a second corrugated part in sequence along the sliding-in direction of the boss, and the trough of the first corrugated part is higher than that of the second corrugated part;
a clamping part is further processed on the lower pressure welding part, the clamping part is positioned between the arc-shaped notch and the boss, and a supporting notch is formed in the clamping part;
the clamping part is formed by upward stamping, and the clamping part and the lower crimping part are in transition through an arc surface;
and a limiting protrusion is machined on one side of the supporting notch, which is close to the protrusion.
2. The lightweight tank fuel pump securing assembly as set forth in claim 1, wherein said arcuate notch is provided as a stamped joint and sheared after machining.
3. The lightweight tank fuel pump securing assembly as set forth in claim 1, wherein the clamping plates are uniformly disposed about the periphery of the securing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352387.1A CN109340002B (en) | 2018-11-14 | 2018-11-14 | Fixed subassembly of lightweight oil tank fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352387.1A CN109340002B (en) | 2018-11-14 | 2018-11-14 | Fixed subassembly of lightweight oil tank fuel pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340002A CN109340002A (en) | 2019-02-15 |
| CN109340002B true CN109340002B (en) | 2024-01-19 |
Family
ID=65315431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811352387.1A Active CN109340002B (en) | 2018-11-14 | 2018-11-14 | Fixed subassembly of lightweight oil tank fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340002B (en) |
Citations (19)
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|---|---|---|---|---|
| KR19990028538U (en) * | 1997-12-26 | 1999-07-15 | 양재신 | Mounting Structure of Automotive Fuel Pump Module |
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| US7083065B2 (en) * | 2003-06-04 | 2006-08-01 | Millennium Industries Corporation | Tank assembly |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109340002A (en) | 2019-02-15 |
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