CN216714584U - Conveniently-disassembled fuel injection pump of diesel engine - Google Patents
Conveniently-disassembled fuel injection pump of diesel engine Download PDFInfo
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- CN216714584U CN216714584U CN202122468708.8U CN202122468708U CN216714584U CN 216714584 U CN216714584 U CN 216714584U CN 202122468708 U CN202122468708 U CN 202122468708U CN 216714584 U CN216714584 U CN 216714584U
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Abstract
The utility model discloses a diesel engine fuel injection pump convenient to disassemble, which relates to the field of diesel engines and aims at solving the problems that most of existing fuel injection pump devices cannot filter liquid during fuel injection and impurities in fuel easily cause abrasion to an oil inlet pipe. The oil inlet pipe is novel in structure, the abrasion of the oil inlet pipe caused by the use of the oil injection pump body can be reduced with certain efficiency, the oil inlet channel is convenient to disassemble and assemble, and the oil inlet pipe can be replaced and cleaned regularly, so that the service life of the oil injection pump is prolonged.
Description
Technical Field
The utility model relates to the field of diesel engines, in particular to a diesel engine fuel injection pump convenient to disassemble.
Background
The injection pump is an important component of an automotive diesel engine. The fuel injection pump assembly is usually an integral body formed by mounting components such as a fuel injection pump, a speed regulator and the like together. The governor is a component which ensures the low-speed operation of the diesel engine and the limitation of the maximum rotating speed and ensures a certain relation between the injection quantity and the rotating speed. The fuel injection pump is the most important part of the diesel engine and is regarded as the heart part of the diesel engine, and once a problem occurs, the fuel injection pump can cause the whole diesel engine to work abnormally.
The existing fuel injection pump device cannot filter liquid in the fuel inlet process, impurities exist in fuel oil, the condition of abrasion of the fuel inlet pipe is easily caused in the using process, the service life of the fuel inlet pipe is greatly reduced, and therefore the diesel engine fuel injection pump convenient to disassemble is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a diesel engine fuel injection pump convenient to disassemble, which solves the problems that most fuel injection pump devices cannot filter liquid during fuel inlet and impurities in fuel easily abrade an oil inlet pipe.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a convenient diesel engine injection pump who dismantles, includes injection pump body and installation pipe, the fuel sprayer has been seted up at injection pump body top, just the oil feed passageway has been seted up to injection pump body circumference lateral wall, injection pump body circumference lateral wall top fixed mounting has oil spout solenoid valve passageway, oil feed passageway and installation pipe phase-match, just the installation pipe is installed in oil feed passageway circumference inner wall, just installation pipe one side circumference inner wall fixed mounting has anti-backflow mechanism, the installation pipe is kept away from injection pump body one end fixed mounting and is had the installation piece, just install block mechanism in the installation piece, two spacing grooves that are the symmetric distribution are seted up to injection pump body circumference lateral wall, just the spacing groove is seted up in oil feed passageway both sides.
Preferably, the circumferential side wall of the installation pipe is movably provided with an arc-shaped plate, and the circumferential inner wall of the arc-shaped plate is fixedly provided with a filter screen.
Preferably, the anti-backflow mechanism comprises a fixed block, a fixed rod, a first reset spring, a fixed plate and a sliding plate, the inner wall of the circumference of the installation pipe is fixedly provided with the fixed plate, the side wall of the fixed plate is provided with a plurality of slotted holes with the same structure, the slotted holes penetrate through the fixed plate, the center of the fixed plate penetrates through the fixed rod, the fixed rod is rotatably connected with the fixed plate, one side of the fixed rod is fixedly provided with the fixed block, the fixed rod is far away from one end of the fixed block and is fixedly provided with the sliding plate, the fixed plate and the fixed block are connected with the first reset spring, and the first reset spring is sleeved on the side wall of the circumference of the fixed rod.
Preferably, the block mechanism includes L type piece, stopper, mounting groove and second reset spring, the mounting groove has been seted up in the mounting block, just it is equipped with L type piece to slide in the mounting groove, the one end of L type piece perpendicular to mounting groove runs through the setting of mounting block, just L type piece other end runs through mounting block fixed mounting has the stopper, fixed mounting has the second reset spring between L type piece and mounting groove one side inner wall.
Preferably, the limiting groove is L-shaped, and the L-shaped block and the limiting block are matched with the limiting groove.
The utility model has the beneficial effects that:
be equipped with detachable installation pipe on one side of injection pump body, installation pipe slidable mounting is in the oil feed passageway, and is equipped with detachable arc and filter screen at the intraductal detachable arc that is equipped with of installation, and the filter screen can carry out filtration treatment to the liquid that gets into the injection pump body, and can dismantle the clearance with the filter screen after the use.
And be equipped with block mechanism between installation piece and injection pump body circumference lateral wall, make the installation piece can carry out the dismouting with the injection pump body, use the installation pipe can certain efficiency reduce the wearing and tearing that the injection pump body caused into oil pipe in the use to carry out certain protection to the injection pump body.
To sum up, the device can reduce the wearing and tearing that the injection pump body caused into oil pipe in the use of certain efficiency, and oil feed passageway easy dismounting can regularly change the clearance to great promotion injection pump's life.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a side sectional view of the mounting tube of the present invention;
FIG. 3 is a cross-sectional view of a mounting block of the present invention;
FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention.
Reference numbers in the figures: 1. an injection pump body; 2. an oil jet; 3. an oil injection solenoid valve channel; 4. an oil inlet channel; 5. mounting blocks; 6. a limiting groove; 7. installing a pipe; 8. an arc-shaped plate; 9. an L-shaped block; 10. a limiting block; 11. a filter screen; 12. a fixed block; 13. fixing the rod; 14. a first return spring; 15. a fixing plate; 16. a sliding plate; 17. mounting grooves; 18. a second return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a diesel engine fuel injection pump convenient for disassembly comprises a fuel injection pump body 1 and a mounting pipe 7, wherein a fuel injection nozzle 2 is arranged at the top end of the fuel injection pump body 1, a fuel inlet channel 4 is arranged on the circumferential side wall of the fuel injection pump body 1, a fuel injection electromagnetic valve channel 3 is fixedly arranged at the top end of the circumferential side wall of the fuel injection pump body 1, the fuel inlet channel 4 is matched with the mounting pipe 7, the mounting pipe 7 is arranged on the circumferential inner wall of the fuel inlet channel 4, an anti-backflow mechanism is fixedly arranged on the circumferential inner wall on one side of the mounting pipe 7, a mounting block 5 is fixedly arranged at one end of the mounting pipe 7 far away from the fuel injection pump body 1, a clamping mechanism is arranged in the mounting block 5, two symmetrically distributed limiting grooves 6 are arranged on the circumferential side wall of the fuel injection pump body 1, the limiting grooves 6 are arranged on two sides of the fuel inlet channel 4, an arc-shaped plate 8 is movably arranged on the circumferential side wall of the mounting pipe 7, and a filter screen 11 is fixedly arranged on the circumferential inner wall of the arc-shaped plate 8, be equipped with detachable arc 8 in installation pipe 7, be equipped with filter screen 11 in the arc 8, filter screen 11 can filter the impurity in the liquid, also can change the clearance to filter screen 11 when demolising installation pipe 7.
Referring to fig. 2, the anti-backflow mechanism includes a fixed block 12, a fixed rod 13, a first return spring 14, a fixed plate 15 and a sliding plate 16, the fixed plate 15 is fixedly installed on the inner circumferential wall of the installation pipe 7, a plurality of slotted holes with the same structure are formed in the side wall of the fixed plate 15, the slotted holes penetrate through the fixed plate 15, the fixed rod 13 is arranged in the center of the fixed plate 15, the fixed rod 13 is rotatably connected with the fixed plate 15, the fixed block 12 is fixedly installed on one side of the fixed rod 13, the sliding plate 16 is fixedly installed on one end of the fixed rod 13 far away from the fixed block 12, the first return spring 14 is connected between the fixed plate 15 and the fixed block 12, the first return spring 14 is sleeved on the side circumferential wall of the fixed rod 13, when liquid enters the installation pipe 7, the liquid flows to push the sliding plate 16, the sliding plate 16 and the first return spring 14 are pressed to drive the fixed block 12 and the fixed rod 13 to move, liquid enters the oil injection pump body 1 through the slotted hole in the fixing plate 15, after infusion is completed, the first reset spring 14 drives the fixing block 12 and the fixing rod 13 to reset, the sliding plate 16 also resets along with the fixed, the pipe orifice of the mounting pipe 7 is blocked, and backflow of the liquid in the oil injection pump body 1 is avoided.
Referring to fig. 2-4, the clamping mechanism includes an L-shaped block 9, a limiting block 10, a mounting groove 17 and a second return spring 18, the mounting groove 17 is formed in the mounting block 5, the L-shaped block 9 is slidably arranged in the mounting groove 17, one end of the L-shaped block 9 perpendicular to the mounting groove 17 penetrates through the mounting block 5, the other end of the L-shaped block 9 penetrates through the mounting block 5 and is fixedly provided with the limiting block 10, the second return spring 18 is fixedly arranged between the L-shaped block 9 and the inner wall of one side of the mounting groove 17, the L-shaped blocks 9 on two sides of the mounting block 5 are pressed, the second return spring 18 is pressed by the L-shaped block 9, the limiting groove 6 is internally L-shaped, and the L-shaped block 9 and the limiting block 10 are matched with the limiting groove 6.
When using the device, can carry out the dismouting to the installation pipe 7 of 1 circumference lateral wall of injection pump body, will install pipe 7 and dismantle the clearance, when the installation, press the L type piece 9 of installation piece 5 both sides, L type piece 9 atress extrusion second reset spring 18, two stopper 10 are followed and are close to one side removal mutually, this moment with stopper 10 alignment spacing groove 6, impel stopper 10 to spacing inslot 6, loosen stopper 10, second reset spring 18 drives L type piece 9 and stopper 10 and resets, stopper 10 card is in spacing inslot 6, stabilize the chucking to installation piece 5 and injection pump body 1.
Be equipped with detachable arc 8 in installation pipe 7, be equipped with filter screen 11 in the arc 8, filter screen 11 can filter the impurity in the liquid, also can change the clearance to filter screen 11 when demolising installation pipe 7.
The anti-backflow mechanism is arranged on one side of the installation pipe 7, when liquid enters the installation pipe 7, the liquid flows to push the sliding plate 16, the sliding plate 16 and the first reset spring 14 are pressed to drive the fixed block 12 and the fixed rod 13 to move, the liquid enters the fuel injection pump body 1 through the slotted hole in the fixed plate 15, after infusion is completed, the first reset spring 14 drives the fixed block 12 and the fixed rod 13 to reset, the sliding plate 16 also resets along with the fixed block, the pipe opening of the installation pipe 7 is blocked, and backflow of the liquid in the fuel injection pump body 1 is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The diesel engine fuel injection pump convenient to disassemble comprises a fuel injection pump body (1) and an installation pipe (7), and is characterized in that a fuel injection nozzle (2) is arranged at the top end of the fuel injection pump body (1), a fuel injection channel (4) is arranged on the circumferential side wall of the fuel injection pump body (1), a fuel injection electromagnetic valve channel (3) is fixedly installed at the top end of the circumferential side wall of the fuel injection pump body (1), the fuel injection channel (4) is matched with the installation pipe (7), the installation pipe (7) is installed on the circumferential inner wall of the fuel injection channel (4), and an anti-backflow mechanism is fixedly installed on the circumferential inner wall of one side of the installation pipe (7);
the mounting pipe (7) is far away from one end of the fuel injection pump body (1), a mounting block (5) is fixedly mounted, a clamping mechanism is mounted in the mounting block (5), two limiting grooves (6) which are symmetrically distributed are formed in the circumferential side wall of the fuel injection pump body (1), and the limiting grooves (6) are formed in two sides of the fuel inlet channel (4).
2. The diesel engine fuel injection pump convenient to disassemble as claimed in claim 1, wherein the circumferential side wall of the mounting pipe (7) is movably provided with an arc-shaped plate (8), and the circumferential inner wall of the arc-shaped plate (8) is fixedly provided with a filter screen (11).
3. The diesel engine fuel injection pump convenient to disassemble as claimed in claim 1, wherein the anti-backflow mechanism comprises a fixed block (12), a fixed rod (13), a first return spring (14), a fixed plate (15) and a sliding plate (16), the fixed plate (15) is fixedly installed on the inner circumferential wall of the installation pipe (7), a plurality of slotted holes with the same structure are formed in the side wall of the fixed plate (15), the slotted holes penetrate through the fixed plate (15), the fixed rod (13) penetrates through the center of the fixed plate (15), the fixed rod (13) is rotatably connected with the fixed plate (15), the fixed block (12) is fixedly installed on one side of the fixed rod (13), the sliding plate (16) is fixedly installed on one end, far away from the fixed block (12), of the fixed rod (13), and the first return spring (14) is connected between the fixed plate (15) and the fixed block (12), and the first return spring (14) is sleeved on the circumferential side wall of the fixed rod (13).
4. The diesel engine fuel injection pump convenient to disassemble as claimed in claim 3, wherein the clamping mechanism comprises an L-shaped block (9), a limit block (10), a mounting groove (17) and a second return spring (18), the mounting groove (17) is formed in the mounting block (5), the L-shaped block (9) is slidably arranged in the mounting groove (17), one end, perpendicular to the mounting groove (17), of the L-shaped block (9) penetrates through the mounting block (5), the other end of the L-shaped block (9) penetrates through the mounting block (5) and is fixedly provided with the limit block (10), and the second return spring (18) is fixedly arranged between the L-shaped block (9) and the inner wall of one side of the mounting groove (17).
5. The diesel engine fuel injection pump convenient to disassemble as claimed in claim 4, wherein the inside of the limiting groove (6) is L-shaped, and the L-shaped block (9) and the limiting block (10) are matched with the limiting groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468708.8U CN216714584U (en) | 2021-10-12 | 2021-10-12 | Conveniently-disassembled fuel injection pump of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468708.8U CN216714584U (en) | 2021-10-12 | 2021-10-12 | Conveniently-disassembled fuel injection pump of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216714584U true CN216714584U (en) | 2022-06-10 |
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ID=81876179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122468708.8U Active CN216714584U (en) | 2021-10-12 | 2021-10-12 | Conveniently-disassembled fuel injection pump of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216714584U (en) |
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2021
- 2021-10-12 CN CN202122468708.8U patent/CN216714584U/en active Active
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