Automobile engine shell die casting

Abstract

The utility model discloses an automobile engine shell die casting, which relates to the field of engine shells and comprises an oil pan body and an oil drainage bolt arranged at the bottom of the oil pan body, a protective plate is movably clamped at the bottom of the oil pan body, and fixing bolts are movably mounted on the front side and the rear side of the protective plate. The fixing bolt penetrates through the protection plate to be fixedly connected to the interior of the oil pan body, and a bolt protection cover corresponding to the oil drainage bolt in position is movably installed at the bottom of the fixing bolt. According to the oil pan, the protection plate is arranged outside the oil pan body, the protection plate is installed at the bottom of the oil pan body through the fixing bolts, the interior of the protection plate is arranged to be in a net shape, and stone sundries on the road surface are blocked on the oil pan body; and meanwhile, air circulation between the oil pan body and the outside is ensured through the internal meshes, so that the heat dissipation effect of the oil pan body is improved.

Description

Technical Field

[0001] The utility model relates to the field of engine casings, in particular to a die-casting part of an automobile engine casing. Background Art

[0002] In the automobile industry, the engine housing components are basically made of one-piece die-casting, and the oil pan, as one of the components of the automobile engine housing, is also made of one-piece die-casting. The oil pan is the lower half of the crankcase. Its main function is to seal the crankcase as the outer shell of the oil storage tank. When the car is driving, the oil pan is located at the bottom of the car. Hard objects on the road may touch the bottom of the car and cause damage to the oil pan. Usually, a protective plate is set on the oil pan to protect the chassis.

[0003] The existing automobile engine oil pan has a flat plate installed at the bottom as a protective plate, which has weak strength and its airtightness affects the heat dissipation of the engine. At the same time, in order to avoid collision with the road surface, the current oil pan drain bolt is set on the side of the oil pan, which will lead to incomplete oil draining. The drain bolt is set at the bottom of the oil pan, which is not convenient for protection. Utility Model Content

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A die-casting for an automobile engine housing comprises an oil pan body and an oil drain bolt arranged at the bottom of the oil pan body, the bottom of the oil pan body being movably clamped with a protective plate, the front and rear sides of the protective plate being movably mounted with fixing bolts, the fixing bolts penetrating the protective plate and being fixedly connected to the inside of the oil pan body, and the bottom of the fixing bolt being movably mounted with a bolt guard corresponding to the position of the oil drain bolt.

[0006] A further improvement of the technical solution of the utility model is that the protective plate includes a protective plate body, a mounting opening is provided inside the protective plate body, a protective net is fixedly installed inside the mounting opening, a clamping convex edge is fixedly installed on the top of the protective plate body, a gasket is movably clamped inside the clamping convex edge, a through opening corresponding to the oil drain bolt is provided inside the protective plate body, and a docking groove is provided at the bottom of the protective plate body.

[0007] A further improvement of the technical solution of the utility model is that the bolt guard includes a rotating shaft and a cover body, a connecting groove is opened inside the cover body, the rotating shaft is rotatably installed in the docking groove, the connecting groove is movably clamped on the outside of the rotating shaft, and a locking bolt is threadedly installed on one end of the cover body away from the connecting groove, and the locking bolt is threadedly connected to the inside of the guard plate body.

[0008] A further improvement of the technical solution of the utility model is that: the clamping convex edge is arranged on the outer side of the protective net.

[0009] A further improvement of the technical solution of the utility model is that: the installation opening is opened at the front and rear sides of the guard plate body, and the guard net is installed at the front and rear sides of the guard plate body.

[0010] A further improvement of the technical solution of the utility model is that the positions of the through opening and the docking groove correspond to each other.

[0011] A further improvement of the technical solution of the utility model is that the size of the cover body is adapted to the docking groove, and the cover body fits in the docking groove.

[0012] A further improvement of the technical solution of the utility model is that: the oil drain bolt is located inside the through opening, and the cover body covers the outside of the oil drain bolt.

[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0014] 1. The utility model provides a die-casting for an automobile engine housing, which is provided with a protective plate outside an oil pan body, and the protective plate is installed on the bottom of the oil pan body by using fixing bolts. The inside of the protective plate is arranged in a mesh shape to block stones and debris on the road surface on the oil pan body to prevent the oil pan body from being damaged by impact. At the same time, the internal mesh holes ensure the air circulation between the oil pan body and the outside, so as to improve the heat dissipation effect of the oil pan body.

[0015] 2. The utility model provides a die-casting for an automobile engine housing, which is provided with a bolt guard located at the bottom of a protective plate. The bolt guard corresponds to the position of the drain bolt, and the bolt guard is used to shield the drain bolt to provide protection. The bolt guard can be opened along the protective plate to facilitate disassembly of the drain bolt. The drain bolt is provided at the bottom of the oil pan body to facilitate draining of the oil from the oil pan body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the automobile engine housing die casting of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the oil drain bolt of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the protective plate of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the bottom of the protective plate of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the bolt guard of the utility model.

[0021] In the figure: 1. oil pan body; 2. drain bolt; 3. protective plate; 31. guard plate body; 32. mounting port; 34. protective net; 35. clamping ridge; 36. gasket; 37. through port; 38. docking groove; 4. fixing bolt; 5. bolt guard; 51. rotating shaft; 52. cover body; 53. connecting groove; 54. locking bolt. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below:

[0023] like Figures 1 to 5 As shown, the utility model provides a die-casting of an automobile engine housing, comprising an oil pan body 1 and an oil drain bolt 2 arranged at the bottom of the oil pan body 1, a protective plate 3 is movably clamped at the bottom of the oil pan body 1, and fixing bolts 4 are movably installed on both the front and rear sides of the protective plate 3, the fixing bolts 4 penetrate the protective plate 3 and are fixedly connected to the inside of the oil pan body 1, and a bolt guard 5 corresponding to the position of the oil drain bolt 2 is movably installed at the bottom of the fixing bolt 4.

[0024] A protective plate 3 is provided on the outside of the oil pan body 1, and the protective plate 3 is installed on the bottom of the oil pan body 1 by using fixing bolts 4. The inside of the protective plate 3 is arranged in a mesh shape to block stones and debris on the road surface on the oil pan body 1 to prevent the oil pan body 1 from being damaged by impact. At the same time, the internal mesh holes ensure the air circulation between the oil pan body 1 and the outside to improve the heat dissipation effect of the oil pan body 1. A bolt guard 5 is provided at the bottom of the protective plate 3, and the bolt guard 5 corresponds to the position of the drain bolt 2. The drain bolt 2 is blocked by the bolt guard 5 to play a protective role. The bolt guard 5 can be opened along the protective plate 3 to facilitate the disassembly of the drain bolt 2. The drain bolt 2 at the bottom of the oil pan body 1 is convenient for draining the oil from the oil pan body 1.

[0025] like Figure 3 and Figure 5 As shown, the protective plate 3 includes a protective plate body 31, an installation opening 32 is opened inside the protective plate body 31, a protective net 34 is fixedly installed inside the installation opening 32, a clamping protrusion 35 is fixedly installed on the top of the protective plate body 31, a gasket 36 is movably clamped inside the clamping protrusion 35, a through opening 37 corresponding to the oil drain bolt 2 is opened inside the protective plate body 31, and a docking groove 38 is opened at the bottom of the protective plate body 31.

[0026] The guard plate body 31 is clamped on the bottom of the oil pan body 1 and fixedly installed inside the oil pan body 1 by using fixing bolts 4 to pass through the front and rear sides of the guard plate body 31, a mounting opening 32 is set in the guard plate body 31, and a protective net 34 is installed inside the mounting opening 32. The protective net 34 is a mesh structure with through holes set inside. The protective net 34 cooperates with the guard plate body 31 to intercept debris from hitting the oil pan body 1, thereby protecting the bottom of the oil pan body 1. At the same time, the protective net 34 can ensure the fluidity between the oil pan body 1 to improve the heat dissipation effect of the oil pan body 1.

[0027] like Figure 5 As shown, the bolt guard 5 includes a rotating shaft 51 and a cover body 52. ​​A connecting groove 53 is opened inside the cover body 52. ​​The rotating shaft 51 is rotatably installed in the docking groove 38. The connecting groove 53 is movably connected to the outside of the rotating shaft 51. A locking bolt 54 is threadedly installed at one end of the cover body 52 away from the connecting groove 53. The locking bolt 54 is threadedly connected to the inside of the guard plate body 31.

[0028] The cover body 52 installed in the docking groove 38 is covered on the outside of the through port 37 and the drain bolt 2, and the drain bolt 2 is wrapped in the cover body 52, which has a better protective effect. When the lubricating oil needs to be replaced, the locking bolt 54 can be removed to allow the cover body 52 to drive the rotating shaft 51 to fold downward along the inside of the docking groove 38 and open. The lubricating oil inside the oil pan body 1 can be discharged by removing the drain bolt 2, thereby facilitating the draining of the oil while protecting the drain bolt 2.

[0029] like Figure 3 As shown, the clamping protrusion 35 is arranged on the outer side of the protective net 34.

[0030] The clamping protrusion 35 is arranged outside the protective net 34 and is close to the oil pan body 1 , so as to provide a certain deformation buffering capacity and reduce the impact force on the protective plate body 31 .

[0031] like Figure 3 As shown, the installation opening 32 is opened at the front and rear sides of the guard plate body 31 , and the guard net 34 is installed at the front and rear sides of the guard plate body 31 .

[0032] The installation opening 32 is arranged at the front and rear sides of the guard plate body 31 and the guard net 34 is installed in the installation opening 32 , so that the heat dissipation effect of the oil pan body 1 is improved through the guard net 34 .

[0033] like Figure 5 As shown, the position of the through opening 37 corresponds to that of the docking groove 38 .

[0034] The positions of the through opening 37 and the docking groove 38 correspond to each other, so that the oil drain bolt 2 is located inside thereof, which facilitates oil draining.

[0035] like Figure 5 As shown, the cover body 52 is matched with the size of the docking groove 38 , and the cover body 52 fits in the docking groove 38 .

[0036] The cover body 52 is adapted to the docking groove 38 so that the cover body 52 can be snugly inserted into the docking groove 38 for fixation.

[0037] like Figure 2 and Figure 5 As shown, the oil drain bolt 2 is located inside the through opening 37 , and the cover body 52 covers the outside of the oil drain bolt 2 .

[0038] The oil drain bolt 2 is located inside the through opening 37 and cooperates with the cover body 52 to cover the outside of the oil drain bolt 2 to play a protective role.

[0039] The following is a detailed description of the working principle of the automobile engine housing die casting.

[0040] like Figures 1 to 5 As shown, the guard plate body 31 is clamped on the bottom of the oil pan body 1 and fixedly installed inside the oil pan body 1 by using fixing bolts 4 to pass through the front and rear sides of the guard plate body 31, and a mounting opening 32 is set in the guard plate body 31, and a protective net 34 is installed inside the mounting opening 32. The protective net 34 is a mesh structure with through holes set inside. The protective net 34 cooperates with the guard plate body 31 to intercept debris from hitting the oil pan body 1, so as to protect the bottom of the oil pan body 1. At the same time, the protective net 34 can ensure that the oil pan body 1 is The fluidity between the two oil pans 1 and 2 is improved to improve the heat dissipation effect of the oil pan body 1. The oil drain bolt 2 is located inside the through-port 37, and the cover body 52 installed in the docking groove 38 is covered on the outside of the through-port 37 and the oil drain bolt 2, so that the oil drain bolt 2 is wrapped in the cover body 52, which has a better protective effect. When the lubricating oil needs to be replaced, the locking bolt 54 can be removed to make the cover body 52 drive the rotating shaft 51 to be folded downward along the inside of the docking groove 38, and the lubricating oil inside the oil pan body 1 can be discharged by removing the oil drain bolt 2.

[0041] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A die casting for an automobile engine housing, comprising an oil pan body (1) and an oil drain bolt (2) arranged at the bottom of the oil pan body (1), characterized in that: The bottom of the oil pan body (1) is movably connected with a protective plate (3), and both the front and rear sides of the protective plate (3) are movably mounted with fixing bolts (4), and the fixing bolts (4) penetrate the protective plate (3) and are fixedly connected to the inside of the oil pan body (1), and the bottom of the fixing bolt (4) is movably mounted with a bolt guard (5) corresponding to the position of the oil drain bolt (2).

2. The automobile engine housing die casting according to claim 1, characterized in that: The protective plate (3) includes a protective plate body (31), a mounting opening (32) is provided inside the protective plate body (31), a protective net (34) is fixedly installed inside the mounting opening (32), a clamping protrusion (35) is fixedly installed on the top of the protective plate body (31), a gasket (36) is movably clamped inside the clamping protrusion (35), a through opening (37) corresponding to the oil drain bolt (2) is provided inside the protective plate body (31), and a docking groove (38) is provided at the bottom of the protective plate body (31).

3. The automobile engine housing die casting according to claim 2, characterized in that: The bolt guard (5) includes a rotating shaft (51) and a cover body (52), a connecting groove (53) is provided inside the cover body (52), the rotating shaft (51) is rotatably installed in the docking groove (38), the connecting groove (53) is movably connected to the outside of the rotating shaft (51), and a locking bolt (54) is threadedly installed at one end of the cover body (52) away from the connecting groove (53), and the locking bolt (54) is threadedly connected to the inside of the guard plate body (31).

4. The automobile engine housing die casting according to claim 2, characterized in that: The clamping protrusion (35) is arranged outside the protective net (34).

5. The automobile engine housing die casting according to claim 2, characterized in that: The installation opening (32) is opened at the front and rear sides of the guard plate body (31), and the guard net (34) is installed at the front and rear sides of the guard plate body (31).

6. The automobile engine housing die casting according to claim 2, characterized in that: The position of the through opening (37) corresponds to the position of the docking groove (38).

7. The automobile engine housing die casting according to claim 3, characterized in that: The cover body (52) is matched to the size of the docking groove (38), and the cover body (52) fits in the docking groove (38).

8. The automobile engine housing die casting according to claim 3, characterized in that: The oil drain bolt (2) is located inside the through opening (37), and the cover body (52) covers the outside of the oil drain bolt (2).

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