Diesel engine body with oil pump connecting seat convenient to replace
By designing a connecting component with internal thread grooves, external threads, and anti-loosening components on the diesel engine body, the problem of oil leakage caused by the non-removable oil pump connecting seat of the diesel engine is solved, realizing convenient replacement and stable connection, and improving sealing and connection reliability.
Patent Information
- Application Number
- CN202520773126.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-04-23
AI Technical Summary
The existing diesel engine oil pump connector is fixedly connected to the engine housing and cannot be disassembled, which makes it easy for oil leaks to occur during installation, and it is impossible to replace the connector with one of different heights as needed.
A diesel engine block with an oil pump connector designed for easy replacement is described. By setting a connecting component, including an internal thread groove, an external thread, and an anti-loosening component, the oil pump connector can be quickly disassembled, installed, and locked, avoiding the use of multiple transition gaskets and ensuring sealing.
It enables convenient disassembly and assembly of the oil pump connector and stable connection, prevents oil leakage, improves sealing and connection stability, and meets the needs of different heights.
Smart Images

Figure CN223825135U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to diesel engine technical field, specifically, relate to a diesel engine body with oil pump connecting seat convenient to replace. BACKGROUND
[0002] A diesel engine is an engine that uses diesel fuel for combustion to create power. It was invented by Rudolf Diesel in 1892, and in honor of the inventor, the fuel is named after his last name, Diesel, and the engine is also called a Diesel engine. The advantages of diesel engines are high torque and good economic performance. The working process of a diesel engine is similar to that of a gasoline engine, and each working cycle also goes through four strokes of intake, compression, work and exhaust. However, since the fuel used by the diesel engine is diesel, its viscosity is larger than that of gasoline, and it is not easy to evaporate, and its self-ignition temperature is lower than that of gasoline, so the formation of the combustible mixture and the ignition method are different from those of the gasoline engine.
[0003] The oil pump connecting seat on the existing diesel engine is fixedly connected with the shell and cannot be detached, however, during the installation of the oil pump, due to the low installation surface of the oil pump connecting seat, a transition pad needs to be added, and when there are too many transition pads, oil leakage is easy to occur, which brings trouble to use.
[0004] In view of the problems in the related art, no effective solution has been proposed so far. CONTENT OF THE UTILITY MODEL
[0005] In view of the problems in the related art, the utility model provides a diesel engine body with an oil pump connecting seat convenient to replace to overcome the above technical problems existing in the prior art.
[0006] Therefore, the utility model adopts the specific technical scheme as follows:
[0007] A diesel engine body with an oil pump connecting seat convenient to replace, comprising a body, an oil injection pump hole is formed in one side of the body, an installation seat fixedly connected with the body is arranged on the oil injection pump hole, an oil pump connecting seat is arranged at the top end of the installation seat, the oil pump connecting seat is connected with the installation seat through a connecting assembly, a speed adjusting fork hole is formed in one side of the body located at the oil pump connecting seat, an oil level gauge mounting hole is formed in the body located at one side of the speed adjusting fork hole, a piston mounting hole is formed in the top end of the body, an oil injection pump tappet hole is formed in the top end of the body located at one side of the piston mounting hole, and a working cavity is formed in the body.
[0008] Preferably, a plurality of fixing holes are evenly distributed at the top end of the oil pump connecting seat.
[0009] Preferably, the connecting assembly includes an internal threaded groove at the top of the mounting base, an external thread matching the internal threaded groove on the outer wall of the oil pump connecting base, and an anti-loosening component matching the oil pump connecting base on the outer wall of the mounting base.
[0010] Preferably, the bottom end of the oil pump connector is provided with an annular sealing gasket, and the mounting base is provided with a sealing groove that matches the annular sealing gasket.
[0011] Preferably, the anti-loosening component includes a plurality of evenly distributed sliding grooves on the outer wall of the mounting base, a matching slider in each sliding groove, a locking pin extending into the internal thread groove and matching the external thread at the bottom end of the slider, a spring one sleeved in the sliding groove and on the outer wall of the locking pin, a ball at the top of the slider, a pressing sleeve matching the ball sleeve on the outer wall of the mounting base, and the pressing sleeve being connected to the mounting base by a spring two.
[0012] Preferably, the mounting base has a sliding hole that matches the locking pin, the slider is connected to the mounting base by a spring, and the ball is in rolling connection with the slider.
[0013] The beneficial effects of this utility model are as follows: by setting the connecting component, it is easy to disassemble and replace the oil pump connecting seat. Different heights of oil pump connecting seats can be selected according to the needs. There is no need to set multiple transition gaskets on the oil pump connecting seat to prevent oil leakage and further improve its sealing performance. At the same time, the connecting component is quick to disassemble and assemble through the cooperation of internal thread groove, external thread and anti-loosening component, and has a locking effect, making the connection stable and reliable. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the structure of a diesel engine body with an oil pump connector that is easy to replace, according to an embodiment of the present utility model;
[0016] Figure 2 This is a top view of a diesel engine body with an oil pump connector that is easy to replace, according to an embodiment of the present utility model.
[0017] Figure 3 This is a cross-sectional view of a diesel engine body with an oil pump connector that is easy to replace, according to an embodiment of the present utility model.
[0018] Figure 4 This is a schematic diagram of the assembly structure of a diesel engine body mounting base and an oil pump connector that are easy to replace, according to an embodiment of the present utility model.
[0019] Figure 5 This is a cross-sectional view of an oil pump connector in a diesel engine body, which is easy to replace, according to an embodiment of the present utility model.
[0020] Figure 6 This is a schematic diagram of the structure of an oil pump connector in a diesel engine block that is easy to replace, according to an embodiment of the present utility model.
[0021] Figure 7 This is a schematic diagram of the structure of a diesel engine block mounting base for easy replacement of an oil pump connection seat according to an embodiment of the present invention.
[0022] Figure 8 This is a cross-sectional view of a diesel engine block mounting base for easy replacement of an oil pump connector according to an embodiment of the present utility model;
[0023] Figure 9 yes Figure 8 A magnified view of a portion of point A in the middle.
[0024] In the picture:
[0025] 1. Engine body; 2. Fuel injection pump hole; 3. Mounting base; 4. Oil pump connecting base; 5. Speed control fork hole; 6. Oil dipstick mounting hole; 7. Piston mounting hole; 8. Fuel injection pump support hole; 9. Working chamber; 10. Fixing hole; 11. Internal thread groove; 12. External thread; 13. Annular sealing gasket; 14. Sealing groove; 15. Slide groove; 16. Sliding block; 17. Locking pin; 18. Spring 1; 19. Ball bearing; 20. Pressure sleeve; 21. Spring 2. Detailed Implementation
[0026] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0027] According to an embodiment of the present invention, a diesel engine body with an oil pump connector that is easy to replace is provided.
[0028] Example 1;
[0029] likeFigures 1-9 As shown, the diesel engine body according to an embodiment of the present invention, which facilitates the replacement of the oil pump connector, includes an engine body 1. An injection pump hole 2 is provided on one side of the engine body 1. A mounting seat 3, which is fixedly connected to the engine body 1, is provided on the injection pump hole 2. An oil pump connector 4 is provided at the top of the mounting seat 3. The oil pump connector 4 is connected to the mounting seat 3 via a connecting assembly. A speed control fork hole 5 is provided on one side of the engine body 1 near the oil pump connector 4. An oil dipstick mounting hole 6 is provided on the engine body 1 and on one side of the speed control fork hole 5. A piston mounting hole 7 is provided at the top of the engine body 1. An injection pump retainer hole 8 is provided at the top of the engine body 1 and on one side of the piston mounting hole 7. A working chamber 9 is provided in the engine body 1.
[0030] Example 2;
[0031] like Figures 1-9 As shown, the device includes a body 1. A fuel injection pump hole 2 is provided on one side of the body 1. A mounting base 3, fixedly connected to the body 1, is provided on the fuel injection pump hole 2. An oil pump connecting seat 4 is provided at the top of the mounting base 3. The oil pump connecting seat 4 is connected to the mounting base 3 via a connecting assembly. A speed control fork hole 5 is provided on one side of the body 1 near the oil pump connecting seat 4. An oil dipstick mounting hole 6 is provided on the body 1 near the speed control fork hole 5. A piston mounting hole 7 is provided at the top of the body 1. A fuel injection pump retainer hole 8 is provided at the top of the body 1 near the piston mounting hole 7. A working chamber 9 is provided in the body 1. A plurality of evenly distributed fixing holes 10 are provided at the top of the oil pump connecting seat 4. The connecting assembly includes an internal threaded groove 11 at the top of the mounting base 3, an external thread 12 matching the internal threaded groove 11 on the outer wall of the oil pump connecting seat 4, and an anti-loosening assembly matching the oil pump connecting seat 4 on the outer wall of the mounting base 3. The oil pump connector 4 has an annular sealing gasket 13 at its bottom end, and the mounting base 3 has a sealing groove 14 that matches the annular sealing gasket 13. The anti-loosening assembly includes several evenly distributed sliding grooves 15 on the outer wall of the mounting base 3. Each sliding groove 15 has a matching slider 16. The bottom end of the slider 16 has a locking pin 17 extending into the internal thread groove 11 and matching the external thread 12. A spring 18 is fitted in the sliding groove 15 and on the outer wall of the locking pin 17. A ball bearing 19 is located at the top of the slider 16. A pressing sleeve 20 matching the ball bearing 19 is fitted on the outer wall of the mounting base 3. The pressing sleeve 20 is connected to the mounting base 3 via a spring 21. The mounting base 3 has a sliding hole matching the locking pin 17. The slider 16 is connected to the mounting base 3 via the spring 18, and the ball bearing 19 is in rolling contact with the slider 16.
[0032] In practical application, when installing the oil pump connector 4, first drag the clamping sleeve 20 downwards. The clamping sleeve 20 moves downwards, compressing the second spring 21. At this time, the ball 19 is released from the pressure of the clamping sleeve 20. Then, the first spring 18 returns to its original position, causing the slider 16 to move closer to the outside of the groove 15. The slider 16 causes the locking pin 17 to move out of the internal thread groove 11. Then, align the oil pump connector 4 with the internal thread groove 11, and then rotate the oil pump connector 4. The oil pump connector 4 is then threadedly connected to the mounting base 3 through the cooperation of the internal thread groove 11 and the external thread 12. The annular sealing gasket 13 at the bottom of the oil pump connector 4 enters the sealing groove 14 on the mounting base 3 to achieve a sealing effect. After the oil pump connector 4 and the mounting base 3 are threadedly connected, personnel... When the clamping sleeve 20 is released, the spring 21 returns to its original position, causing the clamping sleeve 20 to move upward. The clamping sleeve 20 then presses the ball 19, which in turn presses the slider 16. The slider 16 then moves the locking pin 17 into the internal thread groove 11 until the locking pin 17 contacts the external thread 12 on the oil pump connector 4, preventing the oil pump connector 4 from rotating. The connection assembly facilitates the disassembly and replacement of the oil pump connector. Different heights of oil pump connectors can be selected according to requirements, eliminating the need for multiple transition pads on the oil pump connector and preventing oil leakage. This further improves its sealing performance. The connection assembly, through the cooperation of the internal thread groove, external thread, and anti-loosening component, allows for quick disassembly and assembly, and also provides a locking effect, ensuring a stable and reliable connection.
[0033] In summary, by utilizing the above-mentioned technical solution of this utility model, the oil pump connector is easily disassembled and replaced by setting a connecting component. Different heights of oil pump connectors can be selected according to requirements. There is no need to set multiple transition gaskets on the oil pump connector to prevent oil leakage and further improve its sealing performance. At the same time, the connecting component, through the cooperation of internal thread groove, external thread and anti-loosening component, is quick to disassemble and assemble, and has a locking effect, making the connection stable and reliable.
[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A diesel engine block with an easily replaceable oil pump connector, characterized in that, The machine includes a body (1), on one side of which is a fuel injection pump hole (2), and on the fuel injection pump hole (2) is a mounting seat (3) fixedly connected to the body (1). The top of the mounting seat (3) is an oil pump connector (4), which is connected to the mounting seat (3) through a connecting component. The body (1) on one side of the oil pump connector (4) has a speed adjustment fork hole (5), and on the body (1) on one side of the speed adjustment fork hole (5) is an oil dipstick mounting hole (6). The top of the body (1) has a piston mounting hole (7), and the top of the body (1) on one side of the piston mounting hole (7) has a fuel injection pump retainer hole (8). The body (1) has a working chamber (9).
2. A diesel engine block with an easily replaceable oil pump connector as described in claim 1, characterized in that, The top of the oil pump connector (4) is provided with several evenly distributed fixing holes (10).
3. A diesel engine block with an easily replaceable oil pump connector as described in claim 1, characterized in that, The connecting assembly includes an internal threaded groove (11) at the top of the mounting base (3), an external thread (12) matching the internal threaded groove (11) on the outer wall of the oil pump connecting base (4), and an anti-loosening assembly matching the oil pump connecting base (4) on the outer wall of the mounting base (3).
4. A diesel engine block with an easily replaceable oil pump connector as described in claim 3, characterized in that, The bottom end of the oil pump connector (4) is provided with an annular sealing gasket (13), and the mounting base (3) is provided with a sealing groove (14) that matches the annular sealing gasket (13).
5. A diesel engine block with an easily replaceable oil pump connector as described in claim 3, characterized in that, The anti-loosening component includes a plurality of evenly distributed sliding grooves (15) on the outer wall of the mounting base (3), a matching slider (16) in the sliding groove (15), a locking pin (17) extending into the internal thread groove (11) and matching the external thread (12) at the bottom end of the slider (16), a spring (18) sleeved in the sliding groove (15) and on the outer wall of the locking pin (17), a ball (19) at the top of the slider (16), a pressing sleeve (20) matching the ball (19) sleeved on the outer wall of the mounting base (3), and the pressing sleeve (20) connected to the mounting base (3) by a spring (21).
6. A diesel engine block with an easily replaceable oil pump connector as described in claim 5, characterized in that, The mounting base (3) has a sliding hole that matches the locking pin (17). The slider (16) is connected to the mounting base (3) by a spring (18). The ball (19) is in rolling connection with the slider (16).