CN210599240U - Fuel injection pump for diesel engine - Google Patents
Fuel injection pump for diesel engine Download PDFInfo
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- CN210599240U CN210599240U CN201921206660.XU CN201921206660U CN210599240U CN 210599240 U CN210599240 U CN 210599240U CN 201921206660 U CN201921206660 U CN 201921206660U CN 210599240 U CN210599240 U CN 210599240U
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- injection pump
- oil
- half area
- fuel injection
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Abstract
The utility model relates to the technical field of diesel engine accessories, in particular to an oil injection pump for a diesel engine, which can facilitate the installation and the disassembly of an oil filter screen and improve the use convenience; the oil injection pump comprises an oil injection pump body, a box cover and an oil filter screen, wherein an oil inlet pipe is arranged at the input end of the top of the oil injection pump body, a working cavity is arranged in the box body, an inner cavity is arranged in the box cover, a connecting hole is longitudinally formed in the central area of the bottom end of the box body, and an oil conveying pipe is communicated with the central area of the top end of; the mounting plate is characterized by further comprising a fixing plate, a mounting plate, a left spring, a right spring, a left bolt, a right bolt and a rubber sealing ring, wherein a mounting hole is longitudinally formed in the central area of the top end of the fixing plate, a fixing hole is longitudinally formed in the central area of the top end of the mounting plate, a left threaded hole and a right threaded hole are longitudinally formed in the left half area and the right half area of the top end of the mounting plate respectively, a left threaded groove and a right threaded groove are respectively formed in the left half area and the right half area of the top.
Description
Technical Field
The utility model relates to a diesel engine auxiliary device's technical field especially relates to a fuel injection pump for diesel engine.
Background
As is well known, a fuel injection pump for a diesel engine is an auxiliary device for injecting fuel in a fuel supply system of the diesel engine, and is widely used in the field of diesel engines; the existing fuel injection pump for the diesel engine comprises a fuel injection pump body, a box cover and an oil filter screen, wherein an oil inlet pipe is arranged at the input end of the top of the fuel injection pump body, a working cavity is arranged inside the box body and communicated with the top end of the box body, an inner cavity is arranged inside the box cover and communicated with the bottom end of the box cover, an internal thread is arranged in the lower half area of the inner side wall of the box cover, an external thread matched with the internal thread is arranged in the upper half area of the outer side wall of the box body, the box cover is screwed to the opening at the top of the box body, the oil filter screen is transversely arranged in the working cavity, a; when the existing oil injection pump for the diesel engine is used, diesel oil enters a working cavity from an oil conveying pipe, impurities in the diesel oil are filtered out through an oil filter screen, then the diesel oil enters an oil injection pump body through an oil inlet pipe, and the diesel oil is injected into a cylinder through the oil injection pump body; the oil filter screen is fixedly connected in the use of the existing oil injection pump for the diesel engine, so that the installation and the disassembly processes of the oil filter screen are complex, and the use convenience is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can be convenient for the installation and the dismantlement of oil cleaner screen, improve the injection pump for diesel engine of convenience of use.
The utility model discloses a fuel injection pump for diesel engine, including fuel injection pump body, the box, case lid and oil cleaner screen, this top input of fuel injection pump is provided with into oil pipe, the inside working chamber that is provided with of box, working chamber and box top intercommunication, the inside inner chamber that is provided with of case lid, inner chamber and case lid bottom intercommunication, the second region of case lid inside wall is provided with the internal thread, the first region of box lateral wall is provided with the external screw thread identical with the internal thread, case lid spiral shell dress to box top opening part, box bottom central zone vertically is provided with the connecting hole, the input of oil pipe is connected with connecting hole sealing, case lid top central zone intercommunication is provided with defeated oil; the oil filter screen is transversely installed in the fixing hole, a left threaded hole and a right threaded hole are respectively and longitudinally arranged in the left half area and the right half area of the top end of the mounting plate, a left threaded groove and a right threaded groove are respectively arranged in the left half area and the right half area of the top end of the fixing plate, the top ends of the left spring and the right spring are respectively in extrusion contact with the left half area and the right half area of the bottom end of the mounting plate, the bottom ends of the left spring and the right spring are respectively connected with the left half area and the right half area of the top end of the fixing plate, the bottom ends of the left bolt and the right bolt respectively penetrate through the left threaded hole and the right threaded hole and are respectively screwed into the left threaded groove and the right threaded groove, the top end of the fixed plate is provided with an annular sealing groove, the top end of the rubber sealing ring is connected with the bottom end of the mounting plate, and the bottom end of the rubber sealing ring extends into the annular sealing groove.
The utility model discloses a fuel injection pump for diesel engine still includes left branch, right branch, left pull ring and right pull ring, left branch and right branch top are connected with left pull ring and right pull ring bottom respectively, and left branch and right branch bottom are connected with half regional on the left side and half regional on the right side on fuel injection pump body top respectively.
The utility model discloses a fuel injection pump for diesel engine still includes left stabilizer bar and right stabilizer bar, left stabilizer bar and right stabilizer bar top respectively with half regional and half regional connection on the right side of box bottom, left stabilizer bar and right stabilizer bar bottom respectively with half regional and half regional connection on the right side of fuel injection pump body top left side.
The utility model discloses a fuel injection pump for diesel engine still includes left hand handle and right hand handle, left hand handle and right hand handle bottom respectively with half regional and half regional connection on the right side on the left side in case lid top.
The utility model discloses a fuel injection pump for diesel engine, defeated oil pipe input is provided with the flange, the flange top is provided with sealed the pad.
The utility model discloses a fuel injection pump for diesel engine, the lower half regional intercommunication of box right side wall is provided with the oil extraction pipe to be provided with first control valve on the oil extraction pipe.
The utility model discloses a fuel injection pump for diesel engine, the box left side wall is provided with in the second region and observes the hole to be provided with the transparent plate in observation hole department.
The utility model discloses a fuel injection pump for diesel engine advances to be provided with the second control valve on the oil pipe.
Compared with the prior art, the beneficial effects of the utility model are that: diesel oil enters the working cavity from the oil pipeline, impurities in the diesel oil are filtered out through the oil filter screen and then enter the oil injection pump body through the oil inlet pipe, diesel oil is sprayed into the cylinder through the oil injection pump body, the rubber sealing ring is clamped in the annular sealing groove, the bottom ends of the left bolt and the right bolt respectively penetrate through the left threaded hole and the right threaded hole and are respectively screwed into the left threaded groove and the right threaded groove, the mounting plate can be fixed through the threaded connection relationship of the left bolt and the right bolt, because the oil filter screen is arranged in the fixed hole on the mounting plate, the installation of the oil filter screen can be realized, when the oil filter screen is disassembled, the left bolt and the right bolt are screwed off by a worker, the mounting plate moves upwards under the action force of the elastic deformation of the left spring and the right spring, the oil filter screen can be disassembled, and the use convenience is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is an enlarged view of a portion C of FIG. 1;
in the drawings, the reference numbers: 1. an injection pump body; 2. a box body; 3. a box cover; 4. an oil filter screen; 5. an oil inlet pipe; 6. a working chamber; 7. an oil delivery pipe; 8. a fixing plate; 9. mounting a plate; 10. a left spring; 11. a right spring; 12. a left bolt; 13. a right bolt; 14. a rubber seal ring; 15. a left strut; 16. a right strut; 17. a left pull ring; 18. a right pull ring; 19. a left stabilizer bar; 20. a right stabilizer bar; 21. a left handle; 22. a right handle; 23. a flange; 24. a gasket; 25. an oil discharge pipe; 26. a first control valve; 27. a transparent plate; 28. a second control valve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the utility model discloses a fuel injection pump for diesel engine, including fuel injection pump body 1, box 2, case lid 3 and oil filter screen 4, this top input end of fuel injection pump is provided with oil inlet pipe 5, the inside of box 2 is provided with working chamber 6, working chamber 6 communicates with the top of box 2, the inside of case lid 3 is provided with the inner chamber, the inner chamber communicates with case lid 3 bottom, the lower half region of the inside wall of case lid 3 is provided with the internal thread, the upper half region of the outside wall of box 2 is provided with the external screw thread identical with the internal thread, case lid 3 spiral shell dress is to box 2 top opening part, box 2 bottom central area vertically is provided with the connecting hole, oil inlet pipe 5 input end and connecting hole sealing connection, case lid 3 top central; the oil filter is characterized by further comprising a fixing plate 8, a mounting plate 9, a left spring 10, a right spring 11, a left bolt 12, a right bolt 13 and a rubber sealing ring 14, wherein the fixing plate 8 is transversely installed in the working cavity 6, a mounting hole is longitudinally formed in the central area of the top end of the fixing plate 8, a fixing hole is longitudinally formed in the central area of the top end of the mounting plate 9, an oil filter screen 4 is transversely installed in the fixing hole, a left threaded hole and a right threaded hole are longitudinally formed in the left half area and the right half area of the top end of the mounting plate 9 respectively, a left threaded groove and a right threaded groove are respectively formed in the left half area and the right half area of the top end of the fixing plate 8, the top ends of the left spring 10 and the right spring 11 are respectively in pressing contact with the left half area and the right half area of the bottom end of the mounting plate 9, the bottom ends of the left bolt 12 and the right bolt 13 are respectively screwed into, an annular sealing groove is formed in the top end of the fixing plate 8, the top end of the rubber sealing ring 14 is connected with the bottom end of the mounting plate 9, and the bottom end of the rubber sealing ring 14 extends into the annular sealing groove; diesel oil enters the working cavity from the oil pipeline, impurities in the diesel oil are filtered out through the oil filter screen and then enter the oil injection pump body through the oil inlet pipe, diesel oil is sprayed into the cylinder through the oil injection pump body, the rubber sealing ring is clamped in the annular sealing groove, the bottom ends of the left bolt and the right bolt respectively penetrate through the left threaded hole and the right threaded hole and are respectively screwed into the left threaded groove and the right threaded groove, the mounting plate can be fixed through the threaded connection relationship of the left bolt and the right bolt, because the oil filter screen is arranged in the fixed hole on the mounting plate, the installation of the oil filter screen can be realized, when the oil filter screen is disassembled, the left bolt and the right bolt are screwed off by a worker, the mounting plate moves upwards under the action force of the elastic deformation of the left spring and the right spring, the oil filter screen can be disassembled, and the use convenience is improved.
The utility model discloses a fuel injection pump for diesel engine still includes left branch 15, right branch 16, left pull ring 17 and right pull ring 18, and left branch 15 and the top of right branch 16 are connected with left pull ring 17 and the bottom of right pull ring 18 respectively, and left branch 15 and the bottom of right branch 16 are connected with the left half region and the right half region on the top of fuel injection pump body 1 respectively; staff's accessible left pull ring and right pull ring remove the device, make the operation more laborsaving, improve the convenience of use.
The utility model discloses a fuel injection pump for diesel engine, still include left stabilizer bar 19 and right stabilizer bar 20, the top of left stabilizer bar 19 and right stabilizer bar 20 is connected with the left half region and the right half region of box 2 bottom respectively, the bottom of left stabilizer bar 19 and right stabilizer bar 20 is connected with the left half region and the right half region of fuel injection pump body 1 top respectively; the left stabilizer bar and the right stabilizer bar can support and reinforce the box body, and the use stability is improved.
The utility model discloses a fuel injection pump for diesel engine, which also comprises a left handle 21 and a right handle 22, wherein the bottom ends of the left handle 21 and the right handle 22 are respectively connected with the left half area and the right half area of the top end of the case cover 3; the left handle and the right handle can be convenient for a worker to rotate the box cover, and the use convenience is improved.
The utility model discloses an injection pump for diesel engine, the input end of an oil delivery pipe 7 is provided with a flange 23, and the top end of the flange 23 is provided with a sealing gasket 24; the flange can be convenient for defeated oil pipe and external pipeline to be connected, and sealed the sealed effect that can strengthen flange joint department improves and uses the reliability.
The utility model discloses a fuel injection pump for diesel engine, the lower half area of the right side wall of the box body 2 is communicated with an oil discharge pipe 25, and a first control valve 26 is arranged on the oil discharge pipe 25; open first control valve, the accessible arranges the oil pipe and discharges the surplus diesel oil in the working chamber, also can be convenient for wash the working chamber, improves the convenience of use.
The utility model discloses a fuel injection pump for diesel engine, the lower half area of the left side wall of the box body 2 is provided with an observation hole, and a transparent plate 27 is arranged at the observation hole; the transparent plate can be convenient for the staff to observe oil, colour and the purity of the diesel oil in the working chamber, improves and uses the controllability.
The utility model discloses a fuel injection pump for diesel engine, a second control valve 28 is arranged on the fuel inlet pipe 5; the second control valve can play the effect of throttle to advancing oil pipe, improves and uses the controllability.
The utility model discloses a fuel injection pump for diesel engine, it is at the during operation, diesel oil gets into the working chamber from oil pipeline, filter out the impurity in the diesel oil through the oil cleaner screen, later get into the fuel injection pump body through the oil inlet pipe, spout diesel oil into the cylinder through the fuel injection pump body, rubber seal clamps in the ring seal groove, can play sealed effect, left bolt and right bolt bottom screw dress pass left screw hole and right screw hole respectively and screw dress respectively to left thread groove and right thread groove, through the threaded connection relation of left bolt and right bolt, can fix the mounting panel, because the oil cleaner screen is installed in the fixed orifices on the mounting panel, and then can realize the installation to the oil cleaner screen, when dismantling the oil cleaner screen, the staff twists left bolt and right bolt, the mounting panel upwards moves under the effort that left spring and right spring resume elastic deformation, the oil filter screen can be disassembled, and the use convenience is improved; the working personnel can move the device through the left pull ring and the right pull ring, so that the operation is more labor-saving, and the use convenience is improved; the left stabilizer bar and the right stabilizer bar can support and reinforce the box body, so that the use stability is improved; the left handle and the right handle can facilitate workers to rotate the box cover, so that the use convenience is improved; the flange can facilitate the connection of the oil delivery pipe and an external pipeline, and the sealing gasket can enhance the sealing effect at the flange connection part and improve the use reliability; the first control valve is opened, residual diesel oil in the working cavity can be discharged through the oil discharge pipe, the working cavity can be conveniently cleaned, and the use convenience is improved; the transparent plate can be convenient for workers to observe the oil product, color and purity of the diesel oil in the working cavity, so that the use controllability is improved; the second control valve can play the effect of throttle to advancing oil pipe, improves and uses the controllability.
The utility model discloses a fuel injection pump for diesel engine, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical type to the concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at many and give unnecessary details.
The fuel injection pump for diesel engine of the utility model, under the condition of not being described reversely, "upper, lower, left, right, front, back, inner, outer, vertical and horizontal" and other directional words included in the term only represent the direction of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An oil injection pump for a diesel engine comprises an oil injection pump body (1), a box body (2), a box cover (3) and an oil filter screen (4), wherein an oil inlet pipe (5) is arranged at the input end of the top of the oil injection pump body, a working cavity (6) is arranged inside the box body (2), the working cavity (6) is communicated with the top end of the box body (2), an inner cavity is arranged inside the box cover (3), the inner cavity is communicated with the bottom end of the box cover (3), an internal thread is arranged in the lower half area of the inner side wall of the box cover (3), an external thread matched with the internal thread is arranged in the upper half area of the outer side wall of the box body (2), the box cover (3) is screwed to the opening at the top of the box body (2), a connecting hole is longitudinally formed in the central area of the bottom end of; the oil filter is characterized by further comprising a fixing plate (8), a mounting plate (9), a left spring (10), a right spring (11), a left bolt (12), a right bolt (13) and a rubber sealing ring (14), wherein the fixing plate (8) is transversely mounted in the working cavity (6), a mounting hole is longitudinally formed in the central area of the top end of the fixing plate (8), a fixing hole is longitudinally formed in the central area of the top end of the mounting plate (9), an oil filter screen (4) is transversely mounted in the fixing hole, a left threaded hole and a right threaded hole are respectively and longitudinally formed in the left half area and the right half area of the top end of the mounting plate (9), a left threaded groove and a right threaded groove are respectively formed in the left half area and the right half area of the top end of the fixing plate (8), the top ends of the left spring (10) and the right spring (11) are respectively in extrusion contact with the left half area and the right half area of the bottom end of the mounting plate (9), the bottom ends of, left side bolt (12) and right bolt (13) bottom are the spiral shell dress respectively and pass left screw hole and right screw hole and spiral shell dress to left thread groove and right thread groove in respectively, and fixed plate (8) top is provided with the annular seal groove, rubber seal (14) top is connected with mounting panel (9) bottom, and rubber seal (14) bottom stretches into to the annular seal inslot.
2. The fuel injection pump for the diesel engine according to claim 1, further comprising a left support rod (15), a right support rod (16), a left pull ring (17), and a right pull ring (18), wherein top ends of the left support rod (15) and the right support rod (16) are respectively connected to bottom ends of the left pull ring (17) and the right pull ring (18), and bottom ends of the left support rod (15) and the right support rod (16) are respectively connected to a left half area and a right half area of a top end of the fuel injection pump body (1).
3. The fuel injection pump for diesel engines as claimed in claim 2, further comprising a left stabilizer bar (19) and a right stabilizer bar (20), wherein the top ends of the left stabilizer bar (19) and the right stabilizer bar (20) are respectively connected with the left half area and the right half area of the bottom end of the case (2), and the bottom ends of the left stabilizer bar (19) and the right stabilizer bar (20) are respectively connected with the left half area and the right half area of the top end of the fuel injection pump body (1).
4. A fuel injection pump for diesel engines, as claimed in claim 3, characterized by further comprising a left handle (21) and a right handle (22), the bottom ends of said left handle (21) and right handle (22) being connected to the top left half-area and right half-area of the cover (3), respectively.
5. The injection pump for diesel engines according to claim 4, characterized in that the input end of the oil pipe (7) is provided with a flange (23), and the top end of the flange (23) is provided with a sealing gasket (24).
6. An injection pump for diesel engines, as claimed in claim 5, characterized in that the lower half of the right side wall of the housing (2) is provided with an oil discharge pipe (25) in communication therewith, and in that the oil discharge pipe (25) is provided with a first control valve (26).
7. The fuel injection pump for diesel engines as claimed in claim 6, characterized in that the tank (2) is provided with a viewing aperture in the lower half of the left side wall and with a transparent plate (27) at the viewing aperture.
8. An injection pump for diesel engines, according to claim 7, characterized in that the inlet pipe (5) is provided with a second control valve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206660.XU CN210599240U (en) | 2019-07-29 | 2019-07-29 | Fuel injection pump for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206660.XU CN210599240U (en) | 2019-07-29 | 2019-07-29 | Fuel injection pump for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599240U true CN210599240U (en) | 2020-05-22 |
Family
ID=70713723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921206660.XU Active CN210599240U (en) | 2019-07-29 | 2019-07-29 | Fuel injection pump for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599240U (en) |
-
2019
- 2019-07-29 CN CN201921206660.XU patent/CN210599240U/en active Active
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