Bearing cover of automobile engine

By setting multiple springs on both sides of the bearing cover of the automobile engine, and stably plugging the fixing rods and fixing holes, the problem of poor connection stability of rubber plugs in the prior art is solved, effective sealing of the oil storage cavity is achieved, and the service life of the bearing is extended and the working efficiency is improved.

CN222835853UActive Publication Date: 2025-05-06CHONGQING LONGWEI AUTOMOBILE IND CO LTD
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Patent Information

Application Number
CN202422044107.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-05-06
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The connection between the rubber plug and the oil storage column position of the bearing cover of the existing automobile engine is poor in stability, and it is easy to cause the rubber plug to fall off due to vibration, which in turn causes the oil storage column to be exposed and enter dust.

Method used

By providing multiple springs on both sides of the bearing cover, the fixing rods and the fixing holes are stably inserted to prevent the sealing head from being disengaged and ensure the sealing property of the oil storage chamber.

Benefits of technology

It effectively avoids the sealing head breaking away during use, ensures the sealing property of the oil storage chamber, prevents the oil storage column from being exposed into dust, extends the service life of the bearing and improves working efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bearing caps, in particular to an automobile engine bearing cap which comprises a bearing seat, a bearing cap body is arranged at the top of the bearing seat, an oil groove is formed in a groove in the bottom of the bearing cap body, an oil storage cavity is formed in the top of the bearing cap body, a connecting hole is formed between the oil storage cavity and the oil groove, and a fixing groove is formed in the top of the oil storage cavity. Two fixing holes are formed in each of the two side walls in the fixing groove; a baffle is arranged on the top of the bearing cover and can be detachably installed in the fixing groove. By arranging the oil storage cavity, lubricating oil can be conveniently conveyed into the oil groove, and then the bearing can be conveniently lubricated; the baffle and the sealing head are arranged at the top of the oil storage cavity, on one hand, the sealing head has an effective sealing effect on the oil storage cavity, and on the other hand, under the action of the springs on the two sides, the fixing rod and the fixing hole are stably inserted, so that the situation that the sealing head is disengaged in the using process is avoided, and meanwhile the fixing rod is pushed away from the fixing hole; and the baffle plate can be conveniently disassembled.
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Description

Technical Field

[0001] The utility model relates to the technical field of bearing covers, in particular to a bearing cover for an automobile engine. Background Art

[0002] The bearing cap of an automobile engine usually refers to the crankshaft main bearing cap, which is part of the engine cylinder block assembly and fixes the crankshaft together with the cylinder block. The structural design of the bearing cap is diverse, but it usually includes a mounting seat, a semi-circular shell, and internal bearing shells.

[0003] The utility model patent with the authorization announcement number CN211820425U discloses a bearing cap of an automobile engine, which includes a bearing cap housing and a spring card. The outer surface of the spring card has a radially extending lug, and the lug is provided with a "concave"-shaped card slot. The inner wall of the bearing cap housing is provided with a guide hole, and a "T"-shaped buckle is provided in the guide hole. The through hole through the bearing cap housing is provided with an oil storage column, and the outside is fixed and sealed by a rubber plug. With such a structure, the relative position of the sealing ring can be fixed; and when in use, the sealing ring can also be guaranteed to have a certain degree of freedom, avoiding the phenomenon that the spring card is easy to fall off, and improving the service life of the engine. The structure is scientific and reasonable, and the use is safe and convenient. The oil storage column is provided, and the benefits of automatically adding lubricating oil to the bearing are guaranteed. The high-speed and interference-free operation of the bearing is ensured, and the problem of dust entering the bearing is avoided. It also avoids the phenomenon that the spring card matching the main bearing cap falls off due to the lack of lubricating oil in the bearing, which not only prolongs the service life of the bearing, but also improves the working efficiency of the bearing.

[0004] Although the automobile engine bearing cover in the above patent avoids the problem of the spring card matching with the main bearing cover falling off due to lack of lubricating oil in the bearing, the rubber plug of the device still has the following defects in actual use: the connection method of the rubber plug and the oil storage column is plug-in, although this connection method has the advantage of easy disassembly and assembly, the connection stability is poor, and the rubber plug is easy to fall off due to vibration, etc., which will cause the oil storage column to be exposed and dust to enter. In view of this, we propose an automobile engine bearing cover. Utility Model Content

[0005] The utility model aims to solve one of the technical problems in the related art to at least a certain extent. To this end, one purpose of the utility model is to provide an automobile engine bearing cover, in which a fixing rod is stably plugged into a fixing hole under the action of multiple springs on both sides, thereby avoiding the sealing head from being separated during use, thereby ensuring the sealing of the oil storage chamber.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bearing cap of an automobile engine comprises a bearing seat, a bearing cap is arranged on the top of the bearing seat, an oil groove is arranged in a groove at the bottom of the bearing cap, an oil storage cavity is arranged on the top of the bearing cap, a connecting hole is arranged between the oil storage cavity and the oil groove, a fixing groove is arranged on the top of the oil storage cavity, and two fixing holes are arranged on both side walls of the fixing groove;

[0008] A baffle is provided on the top of the bearing cover, and the baffle can be detachably installed in the fixing groove. Two sliding cavities are provided on the front and rear end surfaces of the baffle, and a guide rod is fixed on the inner wall of each sliding cavity. A spring is sleeved on each guide rod, and a slider is slidably installed in each sliding cavity. A sliding hole is provided on the slider to be slidably connected to the guide rod, and one end of the spring presses against the slider, and the other end presses against the inner wall of the sliding cavity (30). A fixing rod is fixed on the end surfaces of the two sliders that are away from each other, and the ends of the two fixing rods away from the slider slide through the two side walls of the baffle and extend to the outside, and the ends of the fixing rods located on the outside of the baffle can be plugged into and matched with the corresponding fixing holes. A sealing head is fixed at the bottom center of the baffle, and the sealing head is plugged into and matched with the oil storage cavity.

[0009] In addition, the automobile engine bearing cap proposed in the application may also have the following additional technical features:

[0010] Specifically, mounting holes are provided at both ends of the bottom of the bearing seat, and the two mounting holes are symmetrically arranged.

[0011] Specifically, both ends of the top of the bearing cover are provided with through holes, each through hole is penetrated with a connecting bolt, two threaded holes are provided on both sides of the top of the bearing seat, and the bottom of the connecting bolt is inserted into the threaded hole for threaded connection.

[0012] Specifically, the cross-sectional shape of the baffle is rectangular, and the size of the baffle is matched with the size of the fixing groove.

[0013] Specifically, the slider and the fixing rod are an integrally formed structure, and the size of the slider is adapted to the size of the sliding cavity.

[0014] Specifically, a push block is fixed to the outer wall of the sliding block, and the cross-section of the push block is trapezoidal, and the push block is slidably arranged outside the sliding cavity.

[0015] Specifically, the size of the sealing head is matched with the size of the oil storage cavity, and the sealing head is a product made of rubber material.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model provides an oil storage chamber, which facilitates the delivery of lubricating oil to the oil groove, and further facilitates the lubrication of the bearing; through the baffle plate and the sealing head provided on the top of the oil storage chamber, on the one hand, the sealing head effectively seals the oil storage chamber, and on the other hand, under the action of multiple springs on both sides, the fixing rod and the fixing hole are stably plugged in, thereby avoiding the situation that the sealing head is separated during use, thereby ensuring the sealing of the oil storage chamber, and at the same time, pushing the fixing rod away from the fixing hole makes it convenient to disassemble the baffle plate, and then facilitates the addition of lubricating oil to the oil storage chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model;

[0020] Figure 3 This is a structural sectional view of the bearing cover in the utility model;

[0021] Figure 4 This is a schematic diagram of the explosion structure of the baffle in the utility model;

[0022] Figure 5 This is a structural sectional view of the middle baffle of the utility model.

[0023] In the figure:

[0024] 1. Bearing seat; 10. Mounting hole; 11. Threaded hole;

[0025] 2. Bearing cover; 20. Perforation; 21. Oil groove; 22. Oil storage chamber; 23. Connecting hole; 24. Fixing groove; 240. Fixing hole; 25. Connecting bolt;

[0026] 3. Baffle; 30. Sliding cavity; 31. Guide rod; 32. Spring; 33. Sliding block; 330. Sliding hole; 34. Fixed rod; 35. Sealing head; 36. Push block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] This embodiment provides a technical solution:

[0029] See also Figure 1-Figure 5As shown, a bearing cover of an automobile engine includes a bearing seat 1, a bearing cover 2 is provided on the top of the bearing seat 1, an oil groove 21 is provided in the bottom groove of the bearing cover 2, an oil storage cavity 22 is provided on the top of the bearing cover 2, a connecting hole 23 is provided between the oil storage cavity 22 and the oil groove 21; a fixing groove 24 is provided on the top of the oil storage cavity 22, and two fixing holes 240 are provided on both side walls of the fixing groove 24. The top of the bearing cover 2 is provided with a baffle plate 3, which can be detachably installed in the fixing groove 24. The front and rear end surfaces of the baffle plate 3 are provided with two sliding cavities 30, the inner wall of each sliding cavity 30 is fixed with a guide rod 31, and each guide rod 31 is sleeved with a spring 32. A slider 33 is also slidably installed in each sliding cavity 30, and a sliding hole 330 is provided on the slider 33 to be slidably connected with the guide rod 31. The ends of the two guide rods 31 that are away from each other are respectively inserted into the corresponding two sliding holes 330 for sliding connection, and one end of the spring 32 presses against the slider 33, and the other end presses against the inner wall of the sliding cavity 30, and the end surfaces of the two sliders 33 that are away from each other are fixed with a fixing rod 34, and the ends of the two fixing rods 34 away from the slider 33 slide through the two side walls of the baffle plate 3 and extend to the outside, and the ends of the fixing rods 34 located on the outside of the baffle plate 3 can be plugged and matched with the corresponding fixing holes 240, and a sealing head 35 is fixed at the bottom center of the baffle plate 3, and the sealing head 35 is plugged and matched with the oil storage cavity 22.

[0030] In this embodiment, mounting holes 10 are provided at both ends of the bottom of the bearing seat 1, and the two mounting holes 10 are symmetrically arranged. The arrangement of the mounting holes 10 facilitates the insertion of bolts, thereby facilitating the stable installation of the bearing seat 1.

[0031] In this embodiment, through holes 20 are provided at both ends of the top of the bearing cover 2, and a connecting bolt 25 is inserted into each through hole 20. Two threaded holes 11 are provided on both sides of the top of the bearing seat 1, and the bottom of the connecting bolt 25 passes through the through holes 20 and is inserted into the threaded holes 11 for threaded connection. This design enhances the connection strength between the bearing cover 2 and the bearing seat 1 and improves the stability of the overall structure. At the same time, the threaded connection design makes the disassembly and assembly of the bearing cover 2 simple and quick, and is convenient for daily maintenance and inspection.

[0032] In this embodiment, the cross-section of the baffle 3 is rectangular, and the size of the baffle 3 matches the size of the fixing groove 24. This design ensures that the baffle 3 can be tightly and firmly installed in the fixing groove 24, ensuring the tightness and stability of the installation.

[0033] In this embodiment, the slider 33 and the fixing rod 34 are integrally formed, and the size of the slider 33 matches the size of the sliding cavity 30. The integrally formed structure improves the integrity and strength of the slider 33 and the fixing rod 34, and the matching size ensures that the slider 33 can slide smoothly in the sliding cavity 30, reducing friction and wear.

[0034] In this embodiment, a push block 36 is fixed to the outer wall of the slider 33, and the cross-sectional shape of the push block 36 is trapezoidal. The push block 36 is slidably arranged outside the slide cavity 30, and two push blocks 36 are slidably arranged on both the front and rear end surfaces of the baffle 3. This design enables the operator to more easily push the corresponding slider 33 to move through the push block 36, thereby improving the convenience and efficiency of the operation.

[0035] In this embodiment, the size of the sealing head 35 is matched with the size of the oil storage chamber 22, and the sealing head 35 is a rubber product. The matching size ensures that the sealing head 35 can fit tightly at the mouth of the oil storage chamber 22, effectively preventing oil leakage. The sealing head 35 made of rubber has good elasticity and sealing performance, can adapt to working environments under different temperature and pressure conditions, and prolongs its service life.

[0036] It should be added that the bearing cover 2 in this embodiment is a product made of low-carbon steel. The low carbon content of low-carbon steel makes it have good plasticity and toughness. It can undergo plastic deformation when subjected to external force and is not easy to break. The use of this material ensures the structural strength of the bearing cover 2. At the same time, the production cost of low-carbon steel is relatively low, so that the bearing cover 2 can reduce the overall cost and improve the economic benefits while ensuring the performance.

[0037] During specific use, the user first aligns the baffle 3 with the fixed groove 24, and then pushes the two push blocks 36 at the front and rear ends inward from both sides, and the push blocks 36 drive the slider 33 to slide along the guide rod 31, and the spring 32 is compressed, and the slider 33 drives the end of the fixed rod 34 located on the outside to retract into the sliding cavity 30, and then the baffle 3 is inserted into the fixed groove 24, and the sealing head 35 is inserted into the oil storage cavity 22. Then the user loosens the push blocks 36 at the front and rear ends, and under the elastic action of the spring 32, the slider 33 moves to both sides, and at the same time, the slider 33 drives the end of the fixed rod 34 to insert into the corresponding fixing hole 240, at this time, the baffle 3 is fixed to the fixed groove 24, and the oil storage cavity 22 is blocked.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bearing cap of an automobile engine, comprising a bearing seat (1), a bearing cap (2) being arranged on the top of the bearing seat (1), characterized in that: An oil groove (21) is provided in the bottom groove of the bearing cover (2), an oil storage chamber (22) is provided on the top of the bearing cover (2), a connecting hole (23) is provided between the oil storage chamber (22) and the oil groove (21), a fixing groove (24) is provided on the top of the oil storage chamber (22), and two fixing holes (240) are provided on both side walls of the fixing groove (24); A baffle (3) is provided on the top of the bearing cover (2). The baffle (3) can be detachably installed in the fixing groove (24). Two sliding cavities (30) are provided on the front and rear end surfaces of the baffle (3). A guide rod (31) is fixed to the inner wall of each sliding cavity (30). A spring (32) is sleeved on each guide rod (31). A slider (33) is slidably installed in each sliding cavity (30). A sliding hole (330) is provided on the slider (33) and is slidably connected to the guide rod (31). One end of the spring (32) is pressed against the slider. The two sliders (33) have one end each butting against the inner wall of the sliding cavity (30); a fixing rod (34) is fixed to the end faces of the two sliders (33) that are away from each other; the ends of the two fixing rods (34) that are away from the sliders (33) respectively slide through the two side walls of the baffle (3) and extend to the outside; and the ends of the fixing rods (34) located outside the baffle (3) can be plugged into and matched with the corresponding fixing holes (240); a sealing head (35) is fixed at the bottom center of the baffle (3), and the sealing head (35) is plugged into and matched with the oil storage cavity (22).

2. The automobile engine bearing cap according to claim 1, characterized in that: Mounting holes (10) are provided at both ends of the bottom of the bearing seat (1), and the two mounting holes (10) are symmetrically arranged.

3. The automobile engine bearing cap according to claim 1, characterized in that: The bearing cover (2) is provided with through holes (20) at both ends of the top, and a connecting bolt (25) is inserted into each through hole (20). Two threaded holes (11) are provided on both sides of the top of the bearing seat (1), and the bottom of the connecting bolt (25) is inserted into the threaded hole (11) for threaded connection.

4. The automobile engine bearing cap according to claim 1, characterized in that: The cross-sectional shape of the baffle plate (3) is rectangular, and the size of the baffle plate (3) is matched with the size of the fixing groove (24).

5. The automobile engine bearing cap according to claim 1, characterized in that: The sliding block (33) and the fixing rod (34) are an integrally formed structure, and the size of the sliding block (33) is adapted to the size of the sliding cavity (30).

6. The automobile engine bearing cap according to claim 1, characterized in that: A push block (36) is fixed to the outer wall of the sliding block (33), and the cross-sectional shape of the push block (36) is trapezoidal. The push block (36) is slidably arranged outside the sliding cavity (30).

7. The automobile engine bearing cap according to claim 1, characterized in that: The size of the sealing head (35) is matched with the size of the oil storage chamber (22), and the sealing head (35) is a product made of rubber material.

Citation Information

Patent Citations

  • Automobile engine bearing cover

    CN211820425U