CN211370571U - Long-life engine crankcase - Google Patents

Abstract

The utility model discloses a long-life engine crankcase belongs to engine crankcase technical field, including last casing and lower casing, it can dismantle the connection casing top under to go up the casing, it has lug A to go up casing lower surface integrated into one piece, it has rubber strip A to go up casing and lug A junction bonding, casing upper surface integrated into one piece has lug B down, the casing bonds with lug B junction and has rubber strip B down, go up casing and lower casing outer wall and all install copper aluminium alloy board. The utility model relates to a novelty, through last casing with lower casing joint be equipped with two sets of rubber strips, the leakproofness of effectual improvement junction, dustproof and waterproof performance is good, at crankcase outer wall fixed connection copper aluminium alloy board, dispel the heat with higher speed, the rib improvement structural strength is strengthened to the inside triangle of crankcase, the anticorrosion coating of box outer wall has good corrosion resisting property, the effectual life who prolongs the crankcase.

Description

Long-life engine crankcase

Technical Field

The utility model relates to an engine crankcase technical field especially relates to a long-life engine crankcase.

Background

The lower portion of the cylinder block where the crankshaft is mounted is referred to as the crankcase, which is divided into an upper crankcase and a lower crankcase. The upper crankcase is cast integrally with the cylinder block, and the lower crankcase is used for storing lubricating oil and closing the upper crankcase, so the crankcase is also called an oil pan. The oil pan is stressed little and is generally stamped from sheet steel, and its shape depends on the overall layout of the engine and the capacity of the engine oil. An oil stabilizing baffle is arranged in the oil sump to prevent the oil level from fluctuating too much when the automobile is jolt. The bottom of the oil pan is also provided with an oil drain plug, and a permanent magnet is usually arranged on the oil drain plug to adsorb metal chips in lubricating oil and reduce the abrasion of an engine. Gaskets are provided between the mating surfaces of the upper and lower crankcases to prevent leakage of lubricating oil.

The engine crankcase is a core component of the locomotive, the performance of the engine crankcase directly relates to the service life of the locomotive, 1, the sealing performance of the joint of the upper shell and the lower shell of the crankcase is poor, and the cleanliness of the working environment in the crankcase is reduced; 2. the heat dissipation equipment has a complex structure and a poor use effect; 3. low structural strength and poor corrosion resistance. To this end, we propose a long life engine crankcase.

SUMMERY OF THE UTILITY MODEL

The utility model provides a long-life engine crankcase aims at solving engine crankcase, and the leakproofness is poor, the radiating effect is not good and structural strength and corrosion resisting property poor problem.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of long-life engine crankcase includes casing and lower casing, it can dismantle the connection casing top under to go up the casing, it has lug A to go up casing lower surface integrated into one piece, it has rubber strip A to go up the casing and bond with lug A junction, casing upper surface integrated into one piece has lug B down, the casing bonds with lug B junction has rubber strip B down, go up the casing and all install copper aluminium alloy board with lower casing outer wall, copper aluminium alloy board surface equipartition has copper aluminium alloy fin and is integrated into one piece, it has anticorrosive coating layer to go up casing and the outer surface of inferior valve equal spraying, it has the triangle to strengthen the rib with lower shells inner wall all to go up the casing.

Optionally, the outer wall of the upper shell is annularly provided with a support plate a close to the bottom end and fixedly connected with the support plate a, the surface of the support plate a is provided with a screw hole a, the outer wall of the lower shell is annularly provided with a support plate B close to the top end and fixedly connected with the support plate B, and the surface of the support plate B is provided with a screw hole B.

Optionally, the upper shell and the lower shell are matched with each other through the insertion of the convex block A and the convex block B, the bottom end of the convex block A is attached to the rubber strip B, and the top end of the convex block B is attached to the rubber strip A.

Optionally, the triangle reinforcing ribs are arranged in a plurality of groups, and the triangle reinforcing ribs are welded on the upper surface and the side wall of the upper shell and the lower surface and the side wall of the lower shell respectively.

The utility model has the advantages as follows:

1. the utility model discloses go up casing lower surface integrated into one piece and have lug A, it has rubber strip A to bond with lug A junction to go up the casing, casing upper surface integrated into one piece has lug B down, the casing bonds with lug B junction has rubber strip B down, go up casing and lower casing and pass through lug A and lug B grafting cooperation, lug A bottom and rubber strip B are laminated mutually, lug B top and rubber strip A are laminated mutually, lug A and lug B grafting cooperation, carry out double sealing through rubber strip B and rubber strip A to the junction, the effectual leakproofness that has improved last casing and lower casing connection, dustproof and waterproof performance is good, keep the clean of crankcase internal work environment, prolonged service life.

2. The utility model discloses go up the casing and all install copper aluminum alloy board with casing outer wall down, copper aluminum alloy board surface equipartition has copper aluminum alloy fin and is integrated into one piece, and copper aluminum alloy self has fine heat conduction heat dispersion, and the effectual crankcase heat dissipation that accelerates reduces thermal piles up.

3. The utility model discloses go up the external surface of casing and inferior valve and all spray the anticorrosive coating layer, carry out anticorrosive protection to the crankcase outer wall, improve corrosion resisting property, go up the casing and all weld with shells inner wall down and strengthen the rib, the rib is strengthened to the triangle and is the array, and array triangle is strengthened the rib and is welded respectively at last casing upper surface and lateral wall and lower casing lower surface and lateral wall, supports fixedly to last casing and shells inner wall down, has strengthened structural strength, and compressive shock resistance is good, increase of service life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a long-life engine crankcase according to an embodiment of the present invention;

fig. 2 is a schematic top view of a connection structure of an upper case and a triangular reinforcing rib of a long-life engine crankcase according to an embodiment of the present invention;

fig. 3 is a schematic view of a connection structure of a copper-aluminum alloy plate and a copper-aluminum alloy fin of a long-life engine crankcase according to an embodiment of the present invention.

In the figure: 1. an upper housing; 2. an anti-corrosion coating layer; 3. a triangular reinforcing rib; 4. copper aluminum alloy plate; 401. copper-aluminum alloy fins; 5. a support plate A; 501. a screw hole A; 6. a bump A; 601. a rubber strip A; 7. a lower housing; 8. a bump B; 801. a rubber strip B; 9. a support plate B; 901. and a screw hole B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A long-life engine crankcase according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, fig. 2 and fig. 3, the embodiment of the utility model provides a long-life engine crankcase includes casing 1 and lower casing 7, it connects in casing 7 top down to go up casing 1 can dismantle, it has lug A6 to go up 1 lower surface integrated into one piece of casing, it has rubber strip A601 to go up casing 1 and lug A6 junction bonding, lower casing 7 upper surface integrated into one piece has lug B8, casing 7 bonds with lug B8 junction has rubber strip B801 down, copper aluminum alloy plate 4 is all installed to last casing 1 and lower casing 7 outer wall, copper aluminum alloy plate 4 surface equipartition has copper aluminum alloy fin 401 and is integrated into one piece, it has anticorrosive coating layer 2 all to spray on casing 1 and lower casing 7 surface, it has triangle reinforcing rib 3 to go up casing 1 and lower casing 7 inner wall all welding.

Referring to fig. 1, a support plate A5 is annularly arranged on the outer wall of the upper casing 1 near the bottom end and is fixedly connected, a screw hole a501 is formed in the surface of the support plate A5, a support plate B9 is annularly arranged on the outer wall of the lower casing 7 near the top end and is fixedly connected, and a screw hole B901 is formed in the surface of the support plate B9, so that the upper casing and the lower casing can be conveniently installed and fixed.

Refer to fig. 1 and show, go up casing 1 and lower casing 7 and pass through lug A6 and lug B8 grafting cooperation, lug A6 bottom and the laminating of rubber strip B801 mutually, lug B8 top and the laminating of rubber strip A601 mutually, lug A and lug B grafting cooperation carry out double sealing through rubber strip B and rubber strip A to the junction, and the effectual leakproofness that has improved last casing and lower casing connection, and dustproof waterproof performance is good, keeps the clean of crankcase internal working environment, increase of service life.

Referring to fig. 1 and 2, the triangle reinforcing ribs 3 are in a plurality of groups, and the triangle reinforcing ribs 3 are welded on the upper surface and the side wall of the upper shell 1 and the lower surface and the side wall of the lower shell 7 respectively to support and fix the upper shell and the inner wall of the lower shell, so that the structural strength is enhanced, the compression resistance and the impact resistance are good, and the service life is prolonged.

The embodiment of the utility model provides a long-life engine crankcase, 1 lower surface integrated into one piece of epitheca has lug A6, it has rubber strip A601 to go up casing 1 and lug A6 junction bonding, 7 upper surface integrated into one piece of inferior valve body has lug B8, casing 7 bonds with lug B8 junction has rubber strip B801 down, it cooperates through lug A6 and lug B8 grafting to go up casing 1 and casing 7 down, lug A6 bottom is laminated with rubber strip B801, lug B8 top is laminated with rubber strip A601 mutually, lug A6 and lug B8 grafting cooperation, carry out double sealing through rubber strip B801 and rubber strip A601 to the junction, the effectual leakproofness of being connected of casing 1 with inferior valve body 7 that has improved, dustproof waterproof performance is good, keep the cleanness of the internal work environment of crankcase, and long service life; copper aluminum alloy plates 4 are respectively arranged on the outer walls of the upper shell 1 and the lower shell 7, copper aluminum alloy fins 401 are uniformly distributed on the surfaces of the copper aluminum alloy plates 4 and are integrally formed, and the copper aluminum alloy has good heat conduction and heat dissipation performance, so that heat dissipation of a crankcase is effectively accelerated, and heat accumulation is reduced; go up casing 1 and 7 surfaces of casing down and all have sprayed anticorrosive paint layer 2, carry out anticorrosive protection to the crankcase outer wall, improve corrosion resisting property, it has triangle strengthening rib 3 to go up casing 1 and 7 inner walls of casing down all welds, triangle strengthening rib 3 is the array, array triangle strengthening rib 3 welds at 1 upper surface of last casing and lateral wall and casing 7 lower surface and lateral wall down respectively, it is fixed to support last casing 1 and 7 inner walls of casing down, structural strength has been strengthened, resistance to compression and shock resistance is good, and service life is prolonged.

It should be noted that the utility model relates to a long-life engine crankcase, including last casing 1, anticorrosive coating layer 2, triangle strengthening rib 3, copper aluminum alloy board 4, copper aluminum alloy fin 401, backup pad A5, screw A501, lug A6, rubber strip A601, lower casing 7, lug B8, rubber strip B801, backup pad B9, screw B901, above-mentioned electrical components are prior art product, by the needs of the use of technical staff in the field, select, install and accomplish the debugging operation of circuit, ensure that each electrical apparatus can normally work, the part is general standard component or the part that technical staff in the field knows, its structure and principle all are that this technical staff can learn through the technical manual or learn through conventional experimental method, this applicant does not do not specifically limit here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (4)

1. The utility model provides a long-life engine crankcase, includes casing and lower casing, go up the casing and can dismantle the connection casing top down, its characterized in that, it has lug A to go up casing lower surface integrated into one piece, it has rubber strip A to go up the casing and bond with lug A junction, casing upper surface integrated into one piece has lug B down, the casing bonds with lug B junction has rubber strip B down, go up the casing and all install copper aluminium alloy board with casing outer wall down, copper aluminium alloy board surface equipartition has copper aluminium alloy fin and is integrated into one piece, it has anticorrosive coating layer to go up the outer surface of casing and inferior valve all spraying, it has the triangle to strengthen the rib with lower shells inner wall all welding to go up the casing.

2. The long life engine crankcase of claim 1, wherein said upper housing outer wall is surrounded and fixedly connected by a support plate a near a bottom end, said support plate a having a threaded hole a defined in a surface thereof, and said lower housing outer wall is surrounded and fixedly connected by a support plate B near a top end, said support plate B having a threaded hole B defined in a surface thereof.

3. The long life engine crankcase of claim 1, wherein said upper and lower casings are fitted together by means of a projection a and a projection B, said projection a being fitted at a bottom end thereof to said rubber strip B, and said projection B being fitted at a top end thereof to said rubber strip a.

4. The long life engine crankcase of claim 1, wherein said triangular reinforcing ribs are in the form of a plurality of sets welded to the upper and lower housing surfaces and side walls, respectively.

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