Composite material oil pan

Abstract

The utility model discloses a composite material oil pan, which belongs to the technical field of oil pans and is characterized in that an inner reinforcing rib is arranged on the inner side of an oil pan body, an outer reinforcing rib is arranged on the outer side of the oil pan body, a sealing edge is arranged at an opening of the oil pan body, a sealing groove is arranged on the surface of the sealing edge, and a boss is arranged on the inner wall of the sealing groove. According to the composite material oil pan, the positioning groove and the first reinforcing strip and the second reinforcing strip which are connected into a whole are fixed in a welding mode, the production difficulty of the oil pan can be greatly reduced, the oil pan can be conveniently and rapidly welded, the oil pan can be conveniently used, and the service life of the oil pan can be prolonged. Meanwhile, the production qualification rate of the oil pan can be effectively improved, the stress balance of the connecting surface of the oil pan can be improved through the sealing groove and the boss arranged on the sealing edge and the two sealing surfaces and the sealing holes arranged on the sealing ring, and meanwhile the sealing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil sump technical field more specifically, relate to a kind of composite material oil sump. BACKGROUND

[0002] The oil sump of engine, also called oil pan, is the component located at the bottom of engine, mainly used for storing and protecting engine oil.

[0003] At present, commonly used composite material oil sump is difficult to produce due to its complex internal and external structure, which reduces the production pass rate, and its sealing effect is not good, for example, the composite material oil sump for large engine disclosed in publication No. CN222208043U includes an oil sump body, the surface of the oil sump body is provided with an oil sump end face, and a plurality of fixing holes are formed in the surface of the oil sump end face, and a metal bushing is arranged in the fixing hole.

[0004] As can be seen from the above disclosure, the external protruding structure, the external reinforcing rib, the internal reinforcing rib, the first internal protruding structure, the external reinforcing rib and the second internal protruding structure of the oil sump not only have complex structure, but also are integrally formed by mold, which not only increases the difficulty of mold production, but also easily produces defects during the forming of the oil sump, thereby greatly reducing the forming pass rate of the oil sump, and the installation groove is arranged at the inner side edge position, and the metal bushing is arranged at the outer side edge position, which makes the oil sump sealing surface unevenly stressed when locked by bolts, thereby making the rubber sealing ring unevenly pressed, which may reduce the sealing effect. SUMMARY

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a composite material oil sump, which is fixed by welding the positioning groove, the first reinforcing strip and the second reinforcing strip connected in one piece, which can greatly reduce the production difficulty of the oil sump, effectively improve the production pass rate of the oil sump, and improve the stress balance of the connecting surface of the oil sump and the sealing effect by the sealing groove and the boss arranged on the sealing edge and the two sealing surfaces and the sealing hole arranged on the sealing ring.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] The utility model provides a kind of composite oil sump, including oil sump body, the inner side of the oil sump body is provided with inner reinforcing rib, the outer side of the oil sump body is provided with outer reinforcing rib, the opening of the oil sump body is provided with sealing edge, the surface of the sealing edge is provided with sealing groove, the inner wall of the sealing groove is provided with boss, the surface of the boss is opened and is communicated with bushing in one end, the inside of the sealing groove is movably connected with sealing ring, the inner wall of the oil sump body is fixedly welded with reinforcing structure, the composite oil sump, by being fixed by the way of welding of the positioning groove and the first reinforcing strip and the second reinforcing strip being connected integrally, not only can greatly reduce the production difficulty of oil sump, while effectively improving the production qualified rate of oil sump, and by the sealing groove and boss of sealing edge and the two sealing surfaces and sealing hole of sealing ring setting, can improve the stress balance of the connecting surface of oil sump, improve sealing effect simultaneously.

[0008] Further, the reinforcing structure includes a first reinforcing strip and a second reinforcing strip, the first reinforcing strip and the second reinforcing strip are integrally formed by injection molding, the first reinforcing strip is fixedly combined with a first composite rib inside, and the first reinforcing strip and the second reinforcing strip are integrally connected, which can increase the overall strength of the oil sump body.

[0009] Further, the second reinforcing strip is fixedly combined with a second composite rib inside, the first composite rib and the second composite rib are made of lightweight alloy, and the first composite rib and the second composite rib are fixed by welding, so that the support strength of the first reinforcing strip and the second reinforcing strip can be increased.

[0010] Further, the surface of the sealing ring is provided with a first sealing surface and a second sealing surface, the surface of the second sealing surface is provided with a sealing hole, the other surface of the sealing ring is provided with an anti-disengagement portion, the first sealing surface and the second sealing surface are step-shaped, and the sealing effect can be improved.

[0011] Further, the inside of the oil sump body is provided with a positioning groove, the inner wall of the positioning groove is movably connected to the surfaces of the first reinforcing strip and the second reinforcing strip, the positioning groove facilitates quick pre-positioning of the first reinforcing strip and the second reinforcing strip, and facilitates subsequent welding.

[0012] Further, the inner wall of the sealing groove is provided with an anti-disengagement groove, the inner wall of the anti-disengagement groove is movably connected to the surface of the anti-disengagement portion, the anti-disengagement groove and the anti-disengagement portion are clamped by elastic force, and the installation stability of the sealing ring can be ensured.

[0013] Further, the sealing hole is coaxial with the through hole, the inner diameter of the sealing hole is smaller than the inner diameter of the through hole, and the sealing hole can seal the surface of the connecting bolt by elastic force.

[0014] Compared with the prior art, the oil sump has the advantages that:

[0015] (1) The positioning groove, the first reinforcing strip and the second reinforcing strip are fixed by welding, which can greatly reduce the production difficulty of the oil sump and effectively improve the production qualified rate of the oil sump.

[0016] (2) The sealing groove and the boss of the sealing edge and the two sealing surfaces and the sealing hole of the sealing ring can improve the stress balance of the connecting surface of the oil sump and improve the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of the overall structure of the utility model;

[0018] Figure 2 is a top view of the overall structure of the utility model;

[0019] Figure 3 is a schematic view of the reinforcing structure of the utility model;

[0020] Figure 4 is a sectional view of the sealing ring and the sealing edge installation structure of the utility model;

[0021] Figure 5 is a sectional view of the sealing edge structure of the utility model. Figure 4

[0022] Explanation of reference numerals in the drawings:

[0023] 1, oil sump body; 11, inner reinforcing rib; 12, outer reinforcing rib; 13, positioning groove; 14, sealing edge; 15, sealing groove; 16, anti-falling groove; 17, boss; 18, through hole; 19, bushing; 2, sealing ring; 21, first sealing surface; 22, second sealing surface; 23, anti-falling part; 24, sealing hole; 3, reinforcing structure; 31, first reinforcing strip; 32, second reinforcing strip; 33, first composite rib; 34, second composite rib. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment 1: Please refer to Figures 1-5 ​The utility model provides a kind of composite oil sump, including oil sump body 1, oil sump body 1, inner reinforcing rib 11, outer reinforcing rib 12 and sealing edge 14 are integrally formed using composite material and forming die, the inner side of oil sump body 1 is provided with inner reinforcing rib 11, the outer side of oil sump body 1 is provided with outer reinforcing rib 12, the opening of oil sump body 1 is provided with sealing edge 14, the surface of sealing edge 14 is provided with sealing groove 15, the inner wall of sealing groove 15 is provided with boss 17, boss 17 makes the bottom of sealing groove 15 be stepped, can increase the sealing effect in sealing groove 15, the surface of boss 17 is opened and is fixedly connected with bushing 19 with one end of through-hole 18, bushing 19 is metal cover, can increase the connecting strength with bolt, sealing ring 2 is movably connected in sealing groove 15, sealing ring 2 is oil-resistant rubber ring, when being extruded, it has the effect of sealing, with the surface of the connecting piece of oil sump body 1 is provided with the recess of extrusion with sealing ring 2, so that sealing ring 2 is extruded, the surface of sealing edge 14 is contacted extrusion with the surface of connecting piece and improves sealing effect, the inner wall of oil sump body 1 is fixedly welded with reinforcing structure 3, reinforcing structure 3 includes first reinforcing strip 31 and second reinforcing strip 32, first reinforcing strip 31 and second reinforcing strip 32 are integrally formed by injection molding, first reinforcing strip 31 is fixedly compounded with first composite rib 33 in the inside, first reinforcing strip 31 and second reinforcing strip 32 are connected integrally, can increase the overall strength of oil sump body 1.

[0026] The inner part of the second reinforcing strip 32 is fixedly combined with a second composite rib 34, the first composite rib 33 and the second composite rib 34 are made of light alloy, the first composite rib 33 and the second composite rib 34 are fixedly connected through welding, the first composite rib 33 and the second composite rib 34 can increase the supporting strength of the first reinforcing strip 31 and the second reinforcing strip 32, the surface of the sealing ring 2 is provided with a first sealing surface 21 and a second sealing surface 22, the surface of the second sealing surface 22 is provided with a sealing hole 24, the other surface of the sealing ring 2 is provided with an anti-falling part 23, the first sealing surface 21 and the second sealing surface 22 are in the shape of steps, which can increase the sealing effect, the inner part of the oil pan body 1 is provided with a positioning groove 13, the inner wall of the positioning groove 13 is movably connected with the surface of the first reinforcing strip 31 and the second reinforcing strip 32, the positioning groove 13 is convenient for quickly pre-positioning the first reinforcing strip 31 and the second reinforcing strip 32, and is convenient for subsequent welding, the welding can be selected according to the actual material, for example, the thermoplastic plastics such as PP, PE, ABS and PC can be welded through a hot plate; the non-crystalline plastics (such as PS, ABS and PC) have better effect, the crystalline plastics (such as PP and PE) can be welded through ultrasonic waves; the crystalline plastics such as PP, PE and PA, and the engineering plastics (such as PBT and PPS) can be welded through vibration friction; the combination of the light-transmitting plastics such as PMMA, PC and PBT and the light-absorbing plastics can be welded through laser; the PE, PP and PA can be welded through infrared; the PVC, ABS and PMMA can be welded through solvent; the combination of the engineering plastics such as PA and PBT and the metals or magnetic plastics can be welded through induction.

[0027] The inner wall of the sealing groove 15 is provided with an anti-falling groove 16, the inner wall of the anti-falling groove 16 is movably connected with the surface of the anti-falling part 23, the anti-falling groove 16 and the anti-falling part 23 are clamped through elastic force, which is convenient for ensuring the installation stability of the sealing ring 2, the sealing hole 24 is coaxial with the through hole 18, the inner diameter of the sealing hole 24 is smaller than that of the through hole 18, and the sealing hole 24 can seal the surface of the connecting bolt through elastic force.

[0028] The composite oil sump can be produced by respectively forming the oil sump body 1 and the reinforcing structure 3 through a mold, then placing the reinforcing structure 3 in the positioning groove 13, so that the bottom of the first reinforcing strip 31 and the second reinforcing strip 32 is in contact with the bottom of the positioning groove 13, then fixed by welding, then sleeving the sealing ring 2 in the sealing groove 15, then fastening the assembled oil sump and the automobile connecting assembly through bolts, since the bushing 19 is located at the middle position of the width of the sealing edge 14, after the bolts are tightened, the whole surface of the sealing edge 14 is balanced in extrusion force, so that the first sealing surface 21 and the second sealing surface 22 are extruded to generate a sealing effect, the positioning groove 13, the first reinforcing strip 31 and the second reinforcing strip 32 connected integrally are fixed by welding, which can greatly reduce the production difficulty of the oil sump, effectively improve the production qualified rate of the oil sump, and the sealing groove 15 and the boss 17 arranged on the sealing edge 14 and the two sealing surfaces and the sealing hole 24 arranged on the sealing ring 2 can improve the force balance of the connecting surface of the oil sump and improve the sealing effect.

[0029] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes according to the technical scheme and the improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A composite oil pan comprising an oil pan body (1), an inner reinforcement rib (11) is provided on the inner side of the oil pan body (1), and an outer reinforcement rib (12) is provided on the outer side of the oil pan body (1), characterized in that: The opening of the oil sump body (1) is provided with a sealing edge (14), the surface of the sealing edge (14) is provided with a sealing groove (15), the inner wall of the sealing groove (15) is provided with a boss (17), the surface of the boss (17) is provided with a through hole (18), one end of the through hole (18) is fixedly connected with a bushing (19), the inside of the sealing groove (15) is movably connected with a sealing ring (2), and the inner wall of the oil sump body (1) is fixedly welded with a reinforcing structure (3).

2. The composite oil pan of claim 1, wherein: The reinforcing structure (3) comprises a first reinforcing strip (31) and a second reinforcing strip (32), the first reinforcing strip (31) and the second reinforcing strip (32) are integrally formed by injection molding, and the inside of the first reinforcing strip (31) is fixedly combined with a first composite rib (33).

3. The composite oil pan of claim 2, wherein: The inside of the second reinforcing strip (32) is fixedly combined with a second composite rib (34), the first composite rib (33) and the second composite rib (34) are made of light alloy, and the first composite rib (33) and the second composite rib (34) are fixedly connected by welding.

4. The composite oil pan of claim 1, wherein: The surface of the sealing ring (2) is provided with a first sealing surface (21) and a second sealing surface (22), the surface of the second sealing surface (22) is provided with a sealing hole (24), and the other surface of the sealing ring (2) is provided with an anti-disengagement portion (23).

5. The composite oil pan of claim 2, wherein: The inside of the oil sump body (1) is provided with a positioning groove (13), and the inner wall of the positioning groove (13) is movably connected with the surfaces of the first reinforcing strip (31) and the second reinforcing strip (32).

6. The composite oil pan of claim 4, wherein: The inner wall of the sealing groove (15) is provided with an anti-disengagement groove (16), and the inner wall of the anti-disengagement groove (16) is movably connected with the surface of the anti-disengagement portion (23).

7. The composite oil pan of claim 4, wherein: The sealing hole (24) is coaxial with the through hole (18), and the inner diameter of the sealing hole (24) is smaller than that of the through hole (18).

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