Engine crankshaft with oil leakage prevention structure

Abstract

The utility model discloses an engine crankshaft with an oil leakage prevention structure, which belongs to the technical field of engine crankshafts and comprises a base, two arc-shaped support plates are fixedly mounted at the top of the base, column journals are rotatably connected into the two arc-shaped support plates, oil inlets are formed in the outer sides of the column journals, grooves are formed in the surfaces of the column journals, and the oil leakage prevention structures are arranged in the grooves. A groove is formed in the column shaft neck, inserting openings are formed in the two side walls of the groove, inserting blocks are movably inserted into the two inserting openings, T-shaped moving plates are fixedly installed on the sides, close to each other, of the two inserting blocks respectively, a reset spring is fixedly installed between the two T-shaped moving plates, a baffle is slidably connected into the column shaft neck, and a T-shaped sliding groove is formed in the baffle. According to the utility model, through the mutual cooperation of the bolt, the insertion block, the T-shaped moving plate, the reset spring, the baffle plate and the round hole, the oil leakage phenomenon cannot occur when the crankshaft does not work, and when the crankshaft works, oil in the oil through hole cannot be thrown out, so that the lubricating effect of the crankshaft cannot be influenced, and the service life of the crankshaft is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of engine crankshafts, in particular to an engine crankshaft with an oil leakage prevention structure. Background Art

[0002] With the rapid development of the automobile industry and the improvement of people's living standards, automobiles have become an indispensable means of transportation in people's daily lives; the engine of a car is the power that drives the car, and the crankshaft is the main component that transmits power in the engine; the gas pressure generated by combustion in the combustion chamber is transmitted to the crankshaft through the piston and the connecting rod connected to it, and is converted into torque through the crankshaft, thereby driving the vehicle's transmission system, the engine's valve mechanism and other auxiliary devices.

[0003] Some crankshafts currently on the market have a main oil channel on the main shaft, an oil hole connected to the main oil channel on the crank, and the other end of the oil hole is arranged on the circumference of the crank. The oil in the oil hole has a good lubrication effect, but the crankshaft will leak oil when it is not working, and the oil in the oil hole is easy to be thrown out when the crankshaft is working, thereby affecting the lubrication effect of the crankshaft and reducing the service life of the crankshaft. Therefore, we propose an engine crankshaft with an anti-oil leakage structure to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide an engine crankshaft with an oil leakage prevention structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The camshaft of an engine according to claim 1, wherein the two arc-shaped support plates are fixedly mounted on the top of the base, the two arc-shaped support plates are rotatably connected to a column journal, an oil inlet hole is provided on the outer side of the column journal, a groove is provided on the surface of the column journal, plug-in interfaces are provided on both side walls of the groove, plug-in blocks are movably inserted in the two plug-in interfaces, T-shaped movable plates are fixedly mounted on the sides of the two plug-in blocks close to each other, a return spring is fixedly mounted between the two T-shaped movable plates, a baffle is slidably connected to the column journal, a T-shaped slide groove is provided in the baffle, the bottoms of the two T-shaped movable plates are slidably connected to the T-shaped slide groove, the top of the baffle is movably abutted against the bottom of the oil inlet hole, and a crankshaft assembly is arranged between the two arc-shaped support plates.

[0007] Preferably, the crankshaft assembly comprises: a plurality of right support blocks and a plurality of left support blocks, the plurality of right support blocks are fixedly mounted on one side of the column journal on the outside of the plurality of left support blocks, a connecting rod journal is fixedly mounted between the right support block and the left support block, a long rod is rotatably mounted on the outside of the connecting rod journal, fixed round blocks are fixedly mounted on both sides of the long rod, two washers are sleeved on the outside of the connecting rod journal, one side of the two washers is movably abutted against one side of the corresponding fixed round block.

[0008] Preferably, the bottom wall of the groove is provided with two L-shaped movable grooves, the outer sides of the two T-shaped movable plates are slidably connected in the corresponding L-shaped movable grooves, and the surface of the baffle is provided with a circular hole.

[0009] Preferably, a fixing ring is integrally formed on one side of the right supporting block and the left supporting block, and the fixing round block and the washer are rotatably mounted in the fixing ring.

[0010] Preferably, two threaded holes are opened on the surface of the column journal, and bolts are threadedly connected inside the two threaded holes, and the outer sides of the two bolts are threadedly connected to the inside of the corresponding plug blocks.

[0011] Preferably, a flywheel end is fixedly mounted on one side of one of the column journals.

[0012] In the utility model, the engine crankshaft with an anti-oil leakage structure is driven by twisting the bolt to disengage the bolt from the restriction on the plug block, and then the two T-shaped movable plates are pulled closer together, so that the plug block is disengaged from the plug interface, and then the T-shaped movable plate is pulled to move along the L-shaped movable groove, thereby driving the baffle to start moving, so that the circular hole opened on the surface of the baffle corresponds to the oil inlet hole;

[0013] In the utility model, the engine crankshaft with an anti-oil leakage structure is re-contacted with the bottom of the oil inlet hole by the top of the baffle plate, and the T-shaped movable plate is re-fixed, so that the crankshaft will not leak oil when it is not working, and the oil in the oil hole cannot be thrown out when the crankshaft is working, which will not affect the lubrication effect of the crankshaft and improve the service life of the crankshaft;

[0014] The utility model has a reasonable structural design. Through the mutual cooperation among the bolts, the insert block, the T-shaped movable plate, the return spring, the baffle plate and the round hole, the crankshaft will not leak oil when it is not working. When the crankshaft is working, the oil in the oil hole cannot be thrown out, which will not affect the lubrication effect of the crankshaft and improve the service life of the crankshaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of an engine crankshaft with an anti-oil leakage structure proposed by the utility model;

[0016] Figure 2 This is a schematic cross-sectional view of an engine crankshaft with an anti-oil leakage structure proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connecting rod journal, fixed round block and washer proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the column journal, oil inlet hole and groove proposed by the utility model;

[0019] Figure 5 for Figure 2 A partial enlarged view of part A;

[0020] Figure 6 for Figure 4 A partial enlarged view of part B;

[0021] Figure 7 for Figure 4 A partial enlarged view of part C.

[0022] In the figure: 1. base; 2. arc-shaped support plate; 3. flywheel end; 4. column journal; 5. right support block; 6. left support block; 7. long rod; 8. oil inlet hole; 9. groove; 10. T-shaped movable plate; 11. plug block; 12. return spring; 13. L-shaped movable groove; 14. T-shaped slide groove; 15. baffle; 16. round hole; 17. bolt; 18. plug interface; 19. threaded hole; 20. fixing ring; 21. connecting rod journal; 22. fixing round block; 23. washer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-7, an engine crankshaft with an oil leakage prevention structure comprises: a base 1, two arc-shaped support plates 2 are fixedly installed on the top of the base 1, a column journal 4 is rotatably connected inside the two arc-shaped support plates 2, an oil inlet hole 8 is opened on the outer side of the column journal 4, a groove 9 is opened on the surface of the column journal 4, and plug-in interfaces 18 are opened on both side walls of the groove 9, plug-in blocks 11 are movably inserted inside the two plug-in interfaces 18, T-shaped movable plates 10 are fixedly installed on the sides of the two plug-in blocks 11 close to each other, a return spring 12 is fixedly installed between the two T-shaped movable plates 10, a baffle 15 is slidably connected inside the column journal 4, a T-shaped slide groove 14 is opened inside the baffle 15, the bottoms of the two T-shaped movable plates 10 are slidably connected in the T-shaped slide groove 14, the top of the baffle 15 movably abuts against the bottom of the oil inlet hole 8, and a crankshaft assembly is arranged between the two arc-shaped support plates 2.

[0025] In this embodiment, the crankshaft assembly includes: multiple right support blocks 5 and multiple left support blocks 6, the multiple right support blocks 5 are fixedly installed on one side of the column journal 4 on the outside of the multiple left support blocks 6, a connecting rod journal 21 is fixedly installed between the right support block 5 and the left support block 6, a long rod 7 is rotatably installed on the outside of the connecting rod journal 21, and fixed round blocks 22 are fixedly installed on both sides of the long rod 7, two washers 23 are sleeved on the outside of the connecting rod journal 21, and one side of the two washers 23 is movably abutted against one side of the corresponding fixed round block 22, which can provide a certain buffering.

[0026] In this embodiment, a fixing ring 20 is integrally formed on one side of the right support block 5 and the left support block 6, and the fixing round block 22 and the washer 23 are rotatably mounted in the fixing ring 20. A flywheel end 3 is fixedly mounted on one side of one of the column journals 4 for better rotation.

[0027] In this embodiment, two L-shaped movable grooves 13 are opened on the bottom wall of the groove 9, and the outer sides of the two T-shaped movable plates 10 are slidably connected to the corresponding L-shaped movable grooves 13. A circular hole 16 is opened on the surface of the baffle 15, so that the T-shaped movable plate 10 can move better along the L-shaped movable groove 13.

[0028] In this embodiment, two threaded holes 19 are formed on the surface of the column journal 4 , and bolts 17 are threadedly connected inside the two threaded holes 19 . The outer sides of the two bolts 17 are threadedly connected to the corresponding insides of the plug blocks 11 , and the plug blocks 11 are fixed by the bolts 17 .

[0029] The bolt 17 is then pulled closer to the two T-shaped movable plates 10, so that the insert block 11 is disengaged from the plug interface 18. The T-shaped movable plate 10 is then pulled to move along the L-shaped movable groove 13, thereby driving the baffle plate 15 to start moving, so that the circular hole 16 opened on the surface of the baffle plate 15 corresponds to the oil inlet hole 8, so as to facilitate the lubricating oil to be poured into the column journal 4 through the oil inlet hole 8. Then the above operation is repeated in reverse, so that the circular hole 16 and the oil inlet hole 8 are no longer corresponding, and the top of the baffle plate 15 is re-contacted with the bottom of the oil inlet hole 8, and the T-shaped movable plate 10 is re-fixed, so that the crankshaft will not leak oil when it is not working, and the oil in the oil hole cannot be thrown out when the crankshaft is working, which will not affect the lubrication effect of the crankshaft and improve the service life of the crankshaft.

[0030] The above is a detailed introduction to an engine crankshaft with an anti-oil leakage structure provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An engine crankshaft with an anti-oil leakage structure, characterized in that: include: A base (1), wherein two arc-shaped support plates (2) are fixedly installed on the top of the base (1), and the two arc-shaped support plates (2) are rotatably connected to the column shaft neck (4), and the column shaft neck (4) is provided with an oil inlet hole (8) on the outside, and a groove (9) is provided on the surface of the column shaft neck (4), and the two side walls of the groove (9) are provided with an insertion interface (18), and the two insertion interfaces (18) are movably inserted with an insertion block (11), and the two sides of the two insertion blocks (11) close to each other are respectively fixed. A T-shaped movable plate (10) is fixedly installed, a return spring (12) is fixedly installed between the two T-shaped movable plates (10), a baffle (15) is slidably connected inside the column journal (4), a T-shaped slide groove (14) is opened inside the baffle (15), the bottoms of the two T-shaped movable plates (10) are slidably connected in the T-shaped slide groove (14), the top of the baffle (15) is movably abutted against the bottom of the oil inlet hole (8), and a crankshaft assembly is arranged between the two arc-shaped support plates (2).

2. The engine crankshaft with an anti-oil leakage structure according to claim 1, characterized in that: The crankshaft assembly comprises: a plurality of right support blocks (5) and a plurality of left support blocks (6); the plurality of right support blocks (5) are fixedly mounted on one side of the column journal (4) on the outside of the plurality of left support blocks (6); a connecting rod journal (21) is fixedly mounted between the right support block (5) and the left support block (6); a long rod (7) is rotatably mounted on the outside of the connecting rod journal (21); fixed round blocks (22) are fixedly mounted on both sides of the long rod (7); two washers (23) are sleeved on the outside of the connecting rod journal (21); one side of the two washers (23) is movably abutted against one side of the corresponding fixed round block (22).

3. The engine crankshaft with an anti-oil leakage structure according to claim 1, characterized in that: The bottom wall of the groove (9) is provided with two L-shaped movable grooves (13), the outer sides of the two T-shaped movable plates (10) are slidably connected in the corresponding L-shaped movable grooves (13), and the surface of the baffle (15) is provided with a circular hole (16).

4. The engine crankshaft with an anti-oil leakage structure according to claim 2, characterized in that: A fixing ring (20) is integrally formed on one side of the right supporting block (5) and the left supporting block (6), and the fixing round block (22) and the washer (23) are both rotatably mounted in the fixing ring (20).

5. The engine crankshaft with an anti-oil leakage structure according to claim 1, characterized in that: The column journal (4) is provided with two threaded holes (19) on its surface, the two threaded holes (19) are both threadedly connected with bolts (17) inside, and the outer sides of the two bolts (17) are threadedly connected to the inside of the corresponding insert block (11).

6. The engine crankshaft with an anti-oil leakage structure according to claim 1, characterized in that: A flywheel end (3) is fixedly mounted on one side of one of the column journals (4).

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