CN114472359B - Oil removing tool for fuel pump - Google Patents
Oil removing tool for fuel pump Download PDFInfo
- Publication number
- CN114472359B CN114472359B CN202111593934.7A CN202111593934A CN114472359B CN 114472359 B CN114472359 B CN 114472359B CN 202111593934 A CN202111593934 A CN 202111593934A CN 114472359 B CN114472359 B CN 114472359B
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- China
- Prior art keywords
- fuel pump
- movable seat
- sealing block
- connecting hole
- seat
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- 239000000446 fuel Substances 0.000 title claims abstract description 95
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 238000004064 recycling Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 7
- 238000005238 degreasing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 58
- 239000002904 solvent Substances 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a fuel pump oil removing tool, which is characterized in that a first fixed seat, a first movable seat and a second movable seat are arranged on a bracket of the oil removing tool, a first air connector and a first sealing block are arranged on the first fixed seat, a first longitudinal connecting hole is arranged on the first sealing block, the first air connector is communicated with the first longitudinal connecting hole, a second air connector and a second sealing block are arranged on the first movable seat, a second longitudinal connecting hole is arranged on the second sealing block, and the second air connector is communicated with the second longitudinal connecting hole. The first sealing block and the second sealing block respectively correspond to the oil inlet and the oil outlet of the fuel pump, when the fuel pump is clamped, the first longitudinal connecting hole on the first sealing block and the second longitudinal connecting hole on the second sealing block are respectively connected with the oil inlet and the oil outlet of the fuel pump to realize communication, the first sealing block and the second sealing block are ensured to be connected, the air tightness of the joint is ensured, the clamping fuel pump is ventilated again to remove oil, the structural layout is reasonable, the use is convenient, the fuel pump can be replaced conveniently, and the oil removal and oil removal efficiency is higher.
Description
Technical Field
The invention relates to a fuel pump oil removing tool structure.
Background
An electronic injection fuel pump (hereinafter referred to as a fuel pump) is an important part of a fuel pump assembly, and the fuel pump is required to perform performance detection and testing by using solvent oil (e.g., D60) before delivery to determine whether the fuel pump meets specified performance requirements. D60 and other solvent oils cannot be used in the automobile fuel system, so that the solvent oil in the fuel pump needs to be removed after detection is completed, and the normal operation of the automobile fuel system and the fuel pump is not affected. The solvent oil in the fuel pump can be removed in a centrifugal mode, but the effect is poor, the residue still exists, and the solvent oil cannot reach the standard.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problem solved by the invention aims to provide a fuel pump oil removing tool. The utility model discloses a solvent oil that utilizes in this frock structure to blow in with the fuel pump is got rid of, its structural layout is reasonable, convenient to use, can conveniently change the fuel pump, deoiling efficiency are higher.
In order to solve the technical problems, the invention adopts the following technical scheme: oil removal frock of fuel pump, including the support, be equipped with first fixing base, first movable seat and second movable seat on the support, first movable seat disposes on longitudinal rail with the second movable seat, its characterized in that: the first fixing seat is provided with a first air joint and a first sealing block, the first sealing block is provided with a first longitudinal connecting hole, the first air joint is communicated with the first longitudinal connecting hole, one port of the first longitudinal connecting hole is arranged backwards, the first movable seat is provided with a second air joint and a second sealing block, the second sealing block is provided with a second longitudinal connecting hole, the second air joint is communicated with the second longitudinal connecting hole, one port of the second longitudinal connecting hole is arranged forwards, the second movable seat is positioned between the first fixing seat and the first movable seat, the second movable seat is provided with a profiling lower concave cavity and a baffle, the baffle is positioned on the front side of the profiling lower concave cavity, the baffle is provided with an avoidance port, the profiling lower concave cavity is positioned between the first longitudinal connecting hole and the second longitudinal connecting hole, the bracket is also provided with a longitudinal movement driving device, and the longitudinal movement driving device is in transmission connection with the first movable seat. In this frock structure, the fuel pump of same batch can be conveniently replaced one by one and place the cooperation deoiling in the profile modeling lower cavity, vertical movement drive arrangement cooperation promotes first movable seat forward, the cooperation is cliied the fuel pump on the second movable seat, wherein by first sealing block and second sealing block respectively corresponding action on the oil inlet and the oil-out of fuel pump, when pressing from both sides the fuel pump, first vertical connecting hole on the first sealing block, second vertical connecting hole on the second sealing block are connected with oil inlet, the oil-out of fuel pump respectively and realize the intercommunication, first sealing block, the second sealing block ensures the gas tightness of junction when being connected again, press from both sides the fuel pump and ventilate again and deoil, structural layout is reasonable, convenient to use, can conveniently change the fuel pump, deoiling efficiency is higher.
The following various optimization or supplementary explanation can be performed on the above technical solutions, respectively.
For example, the longitudinal track adopts a guide rod, a second fixing seat is further arranged on the bracket, the longitudinal movement driving device is connected to the second fixing seat, one end of the guide rod is connected to the first fixing seat, and the other end of the guide rod is connected to the second fixing seat. The structural integrity is better, compact.
Further preferably, the longitudinal movement driving device comprises a driving cylinder. The pneumatic type air conditioner is convenient to install and reasonable to drive in a pneumatic mode.
And the first movable seat is provided with a push rod, and the push rod and the plug pair of the fuel pump placed in the profiling lower concave cavity are correspondingly arranged. Directly acts on the fuel pump to ensure clamping of the fuel pump.
And then optimizing, wherein the first movable seat is also provided with a rod seat, the rod seat is provided with a rod hole, the rod hole is longitudinally provided with a buffer spring, one end of the ejector rod is configured in the rod hole, and the buffer spring is connected with the ejector rod in a matched manner. The ejector rod can buffer, and the processing precision error existing in the fuel pumps in the same batch can be suitable.
For another example, the first air connector is connected with a first air pipe, and the second air connector is connected with a second air pipe; one of the first air pipe and the second air pipe is connected with an air blowing source, and the other is connected with a recycling bin. The oil removal can be carried out by matching with blowing, the oil can be recycled, the environment is protected, and the cost is reduced.
For example, the recycling bin comprises a bin cover and a bin body made of metal, and the bin cover is connected to the bin body. The recycling is convenient, and the recycling and liquefying are smoother.
For another example, the first seal block and the second seal block are made of polyurethane rubber. The high-toughness wear-resistant rubber is a good elastomer, has good toughness, wear resistance and long service life.
The oil removing tool for the fuel pump has the beneficial effects that the tool structure is designed completely so as to blow and remove oil, wherein the fuel pumps in the same batch can be conveniently replaced and placed in the profiling lower concave cavity one by one to be matched with oil removal; the longitudinal movement driving device is matched with the first movable seat to push the fuel pump on the second movable seat to move forward, one of the first sealing block and the second sealing block is used for clamping the fuel pump, the other one of the first sealing block and the second sealing block is used for acting on the oil inlet of the fuel pump, the other one of the first sealing block and the second sealing block is used for clamping the fuel pump, meanwhile, the first longitudinal connecting hole on the first sealing block and the second longitudinal connecting hole on the second sealing block are respectively connected with the oil inlet and the oil outlet of the fuel pump to realize communication, the first sealing block and the second sealing block are connected, the air tightness of the connecting part is ensured, air leakage is avoided, the clamping fuel pump is used for re-ventilation and oil removal, the structure layout is reasonable, the use is convenient, the fuel pump can be conveniently replaced, and the oil removal and oil removal efficiency is higher. Thus, the present invention has outstanding substantial features and significant steps compared to the prior art.
Drawings
The details and working principles of the embodiments and examples of the present invention are described below with reference to the drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the hidden fuel pump of fig. 1.
Fig. 3 is a schematic view of another angle of fig. 1.
Fig. 4 is a schematic view of the hidden fuel pump of fig. 3.
In the figure: 1. a bracket; 2. a first fixing seat; 3. a first movable seat; 4. a second movable seat; 5. a longitudinal rail; 6. a first air connector; 7. a first sealing block; 8. a first longitudinal connecting hole; 9. a second gas joint; 10. a second sealing block; 11. a second longitudinal connecting hole; 12. profiling the lower concave cavity; 13. a baffle; 14. an avoidance port; 15. a longitudinal movement driving device; 16. the second fixing seat; 17. a push rod; 18. a rod seat; 19. a fuel pump; 20. a contact pin; 21. an oil inlet; 22. an oil outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some, but not all, embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making inventive efforts are within the scope of this invention.
Referring to the drawings, in the embodiment of the present disclosure, the oil removing tool for the fuel pump includes a bracket 1, the bracket 1 may use a bottom plate as the bracket 1, a first fixing seat 2, a first movable seat 3 and a second movable seat 4 are disposed on the bracket 1, and the first movable seat 3 and the second movable seat 4 are disposed on a longitudinal rail 5, so that the first movable seat 3 and the second movable seat 4 perform stable longitudinal movement, the first movable seat 3 and the second movable seat 4 may share the longitudinal rail 5, and may also respectively dispose respective corresponding longitudinal rails 5, which is a common manner in the drawing, so that the oil removing tool is more compact.
Wherein, be equipped with first air connector 6 and first sealing block 7 on the first fixing base 2. The first sealing block 7 is provided with a first longitudinal connecting hole 8, the first air connector 6 is communicated with the first longitudinal connecting hole 8 to enable ventilation, a port of the first longitudinal connecting hole 8 is arranged backwards, and the port is used for being communicated with an oil inlet 21 or an oil outlet 22 of the fuel pump 19 so as to form an air path, ventilation and blowing and oil removal are matched. The first sealing block 7 is provided with a first longitudinal connecting hole 8 for communicating to form a gas path, and the first sealing block 7 can be sealed at the communicated connecting position to avoid leakage, so that the air tightness is ensured.
Wherein the first movable seat 3 is provided with a second air joint 9 and a second sealing block 10. The second sealing block 10 is provided with a second longitudinal connecting hole 11, the second air connector 9 is communicated with the second longitudinal connecting hole 11 to enable ventilation, a port of the second longitudinal connecting hole 11 is arranged forward and is used for being communicated with an oil inlet 21 or an oil outlet 22 of the fuel pump 19 so as to form an air path, ventilation and blowing and oil removal are matched. The second sealing block 10 is provided with a second longitudinal connecting hole 11 for communicating to form a gas path, and the second sealing block 10 can be sealed at the communicating joint to avoid leakage, so that the air tightness is ensured.
The second movable seat 4 is located between the first fixed seat 2 and the first movable seat 3, and the second movable seat 4 is provided with a profiling lower concave cavity 12 and a baffle 13. The profile modeling lower concave cavity 12 is matched with the shape of the fuel pump 19, for example, a semi-cylinder is used for placing the fuel pump 19, the fuel pump 19 is arranged in a shape of a cylinder, one of an oil inlet 21 and an oil outlet 22 of the fuel pump 19 faces forward, the other faces backward, the front face corresponds to the first longitudinal connecting hole 8, the rear face corresponds to the second longitudinal connecting hole 11, therefore, when the fuel pump 19 in the profile modeling lower concave cavity 12 of the second movable seat 4 is clamped, the first sealing block 7 and the second sealing block 10 are matched and clamped at the front end and the rear end of the fuel pump 19, and the first longitudinal connecting hole 8 on the first sealing block 7 and the second longitudinal connecting hole 11 on the second sealing block 10 are communicated with the fuel pump 19. The baffle 13 is positioned at the front side of the profiling lower concave cavity 12, and the baffle 13 is matched with the fuel pump 19 to limit, so that the fuel pump 19 is more convenient to place in the profiling lower concave cavity 12 of the second movable seat 4, and in addition, the fuel pump 19 moves together when being pushed to move forwards; the baffle 13 is provided with an avoidance port 14, and the avoidance port 14 is in an avoidance position so that the fuel pump 19 is communicated with the first longitudinal connecting hole 8. The contoured lower pocket 12 is located between the first longitudinal connecting hole 8 and the second longitudinal connecting hole 11.
The support 1 is further provided with a longitudinal movement driving device 15, the longitudinal movement driving device 15 is in transmission connection with the first movable seat 3, and the first movable seat 3 is in transmission connection with the second movable seat 4. The first movable seat 3 is driven by the longitudinal movement driving device 15 to move back and forth on the longitudinal track 5, and the second movable seat 4 is driven to move forward when the first movable seat 3 moves forward, and the second movable seat 4 can be directly pushed by the first movable seat 3 or the fuel pump 19 on the second movable seat 4 can be pushed by the first movable seat 3 until the first movable seat 3 and the first fixed seat 2 cooperate to clamp the fuel pump 19 on the second movable seat 4.
The working principle is that different fuel pumps 19 (i.e. the electronic injection fuel pumps 19) in the same batch are placed into the tool one by one to remove oil, the fuel pumps 19 are placed into the matched profiling lower concave cavity 12, the baffle 13 limits the fuel pumps 19 in place when placed, the driving device 15 is longitudinally moved to drive the first movable seat 3 to advance, the first movable seat 3 drives the fuel pumps 19 and the second movable seat 4 to advance until the front ends of the fuel pumps 19 are contacted with the first sealing block 7, and at the moment, the fuel pumps 19 are clamped; the front end of the clamped fuel pump 19 contacts the first sealing block 7, the rear end contacts the second sealing block 10, and the first connecting hole on the first sealing block 7 and the second connecting hole on the second sealing block 10 are respectively communicated with the oil inlet 21 and the oil outlet 22 of the front end and the rear end of the fuel pump 19 in a butt joint mode, one of the first air connector 6 and the second air connector 9 is used for air intake and the other is used for air exhaust, an air path is formed, solvent oil in the fuel pump 19 is vaporized under the action of air pressure to form oil mist, and the oil mist is discharged along with the air, so that the purpose of removing oil is achieved.
The oil removing tool for the fuel pump has the advantages that the tool structure is designed completely so as to blow and remove oil, wherein the fuel pumps 19 in the same batch can be conveniently replaced and placed in the profiling lower concave cavity 12 one by one to be matched with oil removal; the longitudinal movement driving device 15 cooperates to push the first movable seat 3 to move forward, cooperates to clamp the fuel pump 19 on the second movable seat 4, one of the first sealing block 7 and the second sealing block 10 acts on the oil inlet 21 of the fuel pump 19, the other acts on the oil outlet 22 of the fuel pump 19, cooperates to clamp the fuel pump 19, and simultaneously, the first longitudinal connecting hole 8 on the first sealing block 7 and the second longitudinal connecting hole 11 on the second sealing block 10 are respectively connected with the oil inlet 21 and the oil outlet 22 of the fuel pump 19 to realize communication, the first sealing block 7 and the second sealing block 10 ensure that the connection is connected, ensure the air tightness of the connection part, avoid air leakage, clamp the fuel pump 19 to remove oil by ventilation again, have reasonable structural layout, convenient use and higher oil removal and oil removal efficiency, and can conveniently replace the fuel pump 19.
The following optimizations or further description can be made on the basis of the above embodiments, respectively.
For example, the longitudinal rail 5 adopts a guide rod, and the first movable seat 3 and the second movable seat 4 can be provided with corresponding guide sleeves to slide in a matched manner with the guide rod; the bracket 1 is also provided with a second fixed seat 16, the longitudinal movement driving device 15 is connected to the second fixed seat 16, one end of the guide rod is connected to the first fixed seat 2 for corresponding fixation, and the other end of the guide rod is connected to the second fixed seat 16 for corresponding fixation. The whole tool structure is supported by the bracket 1, and the structural integrity is good and compact. The longitudinal movement driving device 15 can be driven by using an air cylinder or a motor and the like as power to drive the first movable seat 3 to move back and forth on the longitudinal track 5; for example, the driving device 15 includes a driving cylinder, which is relatively convenient to install, has a simple transmission structure, is reasonably driven in a pneumatic manner, and can control and adjust the air pressure and control the force clamping the fuel pump 19. The driving cylinder can be matched with a foot switch to control.
It can be optimized that the first movable seat 3 is provided with a push rod 17, and the push rod 17 is correspondingly arranged with a contact pin 20 of a fuel pump 19 placed in the profiling lower concave cavity 12. The ejector rod 17 directly acts on a contact pin 20 (which is a power contact pin 20) of the fuel pump 19 to push the fuel pump 19 and the second movable seat 4 to advance, so that the fuel pump 19 is clamped.
And the first movable seat 3 is also provided with a rod seat 18, the rod seat 18 is provided with a rod hole, the rod hole is longitudinally provided with a buffer spring, one end of the ejector rod 17 is configured in the rod hole, and the buffer spring is matched and connected with the ejector rod 17. The carrier rod 17 can be buffered to accommodate different fuel pumps 19 in the same batch, which may vary slightly in size due to machining accuracy errors and the like.
Wherein, the first air joint 6 is connected with a first air pipe, and the second air joint 9 is connected with a second air pipe; one of the first air pipe and the second air pipe is connected with an air blowing source (such as an air pump, an air compressor and the like), and the other is connected with a recycling bin. For example, the first air connector 6 is an air inlet end, and the second air connector 9 is an air outlet end (i.e., an air outlet end). Besides the gas path formed by matching, the gas path is convenient for blowing and degreasing, the recycling of the oil can be performed, the energy consumption is reduced, the gas pressure of the gas carrying oil mist entering the recycling bin is reduced, the temperature is lowered, the solvent oil is condensed again, the environment is protected, and the cost is reduced.
For example, the recycling bin comprises a bin cover and a bin body made of metal, and the bin cover is connected to the bin body. The metal materials such as stainless steel, iron, aluminum and the like have good heat dissipation, are favorable for liquefying and condensing oil, are convenient to recycle and recycle, and are more smooth to recycle and liquefy.
In another example, the first seal block 7 and the second seal block 10 are made of urethane rubber. The high-toughness wear-resistant rubber is a good elastomer, has good toughness, wear resistance and long service life.
Further, the number of the first seal blocks 7, the second seal blocks 10 may be plural. The first sealing block 7 and the second sealing block 10 can be provided with a step structure which is matched and sleeved with the oil inlet 21 and the oil outlet 22 to be abutted, and can be sleeved and abutted on the basis of abutting and abutting communication, so that the connection is more stable.
The foregoing is a preferred embodiment of the present invention, and it should be noted that the scope of the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the scope and spirit of the invention as defined in the appended claims.
Claims (7)
1. Oil removal frock of fuel pump, including support (1), be equipped with first fixing base (2), first movable seat (3) and second movable seat (4) on support (1), first movable seat (3) and second movable seat (4) dispose on vertical track (5), its characterized in that:
a first air connector (6) and a first sealing block (7) are arranged on the first fixing seat (2), a first longitudinal connecting hole (8) is arranged on the first sealing block (7), the first air connector (6) is communicated with the first longitudinal connecting hole (8), one port of the first longitudinal connecting hole (8) is arranged backwards,
a second air connector (9) and a second sealing block (10) are arranged on the first movable seat (3), a second longitudinal connecting hole (11) is arranged on the second sealing block (10), the second air connector (9) is communicated with the second longitudinal connecting hole (11), one port of the second longitudinal connecting hole (11) is arranged forward,
the second movable seat (4) is positioned between the first fixed seat (2) and the first movable seat (3), the second movable seat (4) is provided with a profiling lower concave cavity (12) and a baffle plate (13), the baffle plate (13) is positioned at the front side of the profiling lower concave cavity (12), the baffle plate (13) is provided with an avoidance port (14), the profiling lower concave cavity (12) is positioned between the first longitudinal connecting hole (8) and the second longitudinal connecting hole (11),
the support (1) is also provided with a longitudinal movement driving device (15), the longitudinal movement driving device (15) is in transmission connection with the first movable seat (3), and the first movable seat (3) is in transmission connection with the second movable seat (4);
the first air connector (6) is connected with a first air pipe, and the second air connector (9) is connected with a second air pipe;
one of the first air pipe and the second air pipe is connected with an air blowing source, and the other is connected with a recycling bin.
2. The fuel pump degreasing tool of claim 1, wherein: the longitudinal track (5) adopts a guide rod, the bracket (1) is also provided with a second fixing seat (16), the longitudinal movement driving device (15) is connected to the second fixing seat (16), one end of the guide rod is connected to the first fixing seat (2), and the other end of the guide rod is connected to the second fixing seat (16).
3. The fuel pump degreasing tool of claim 2, wherein: the longitudinal movement driving device (15) comprises a driving cylinder.
4. The fuel pump degreasing tool of claim 1, wherein: the first movable seat (3) is provided with a push rod (17), and the push rod (17) is correspondingly arranged with a contact pin (20) of a fuel pump (19) arranged in the profiling lower concave cavity (12).
5. The fuel pump degreasing tool of claim 4, wherein: the first movable seat (3) is also provided with a rod seat (18), the rod seat (18) is provided with a rod hole, the rod hole is longitudinally provided with a buffer spring, one end of the ejector rod (17) is configured in the rod hole, and the buffer spring is connected with the ejector rod (17) in a matched manner.
6. The fuel pump degreasing tool of claim 1, wherein: the recycling bin comprises a bin cover and a bin body made of metal, and the bin cover is connected to the bin body.
7. The fuel pump degreasing tool of claim 1, wherein: the first sealing block (7) and the second sealing block (10) are made of polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111593934.7A CN114472359B (en) | 2021-12-24 | 2021-12-24 | Oil removing tool for fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111593934.7A CN114472359B (en) | 2021-12-24 | 2021-12-24 | Oil removing tool for fuel pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114472359A CN114472359A (en) | 2022-05-13 |
| CN114472359B true CN114472359B (en) | 2023-12-01 |
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ID=81493831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111593934.7A Active CN114472359B (en) | 2021-12-24 | 2021-12-24 | Oil removing tool for fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114472359B (en) |
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