CN220081557U

CN220081557U - Upper box body of engine

Info

Publication number: CN220081557U
Application number: CN202321791743.6U
Authority: CN
Inventors: 薛丹峰
Original assignee: Ningbo Kaijiang Auto Parts Co ltd
Current assignee: Ningbo Kaijiang Auto Parts Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2023-11-24
Anticipated expiration: 2033-07-07

Abstract

The utility model relates to the technical field of automobile engines and discloses an engine upper box body, which comprises an upper box body, wherein a crankshaft installation space is formed in the bottom of the upper box body, an installation block is obliquely and upwards extended from the top of the upper box body, a connecting rod piston mechanism installation hole communicated with the crankshaft installation space is formed in the installation block, an annular cooling water cavity is formed in the outer side of the installation hole by the installation block, and at least two positioning holes are formed in the lower surface of the upper box body. According to the upper box body of the engine, the annular cooling water cavity is arranged at the outer side of the connecting rod piston mechanism mounting hole, so that the structural design of a cooling system is optimized, the structural design is ingenious, and the cooling effect is good. The locating hole has been set up below last case body, makes things convenient for its and lower box location installation, has set up rectangular shape constant head tank at the top of installation piece and has further made things convenient for the location installation of last case body and other spare part.

Description

Upper box body of engine

Technical Field

The utility model belongs to the technical field of engines, and particularly relates to an upper box body of an engine.

Background

The engine is a device for providing power for a vehicle, and determines the power performance, economy, stability and environmental protection of the vehicle. Common gasoline engines and diesel engines belong to reciprocating piston internal combustion engines, and are used for converting chemical energy of fuel into mechanical energy of piston motion and outputting power outwards. The gasoline engine has high rotating speed, small mass, easy starting and low manufacturing cost; the compression ratio of the diesel engine is large, the heat efficiency is high, and the economical performance and the emission performance are better than those of the gasoline engine.

The outside of automobile engine is the box structure generally, and the box is inside to be used for installing drive unit, and current engine box heat dispersion is relatively poor, is difficult to dispel the heat when the car is going, lacks the location design between the box about moreover current, leads to when the installation, needs the slow alignment mounting bolt, and the installation effectiveness is low.

Disclosure of Invention

The utility model aims to provide an upper box body of an engine, which aims to solve the problems of poor heat dissipation and no positioning design in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a box on engine, includes the last case body, the bottom of going up the case body is equipped with bent axle installation space, the top slope upward extension of going up the case body has the installation piece, the connecting rod piston mechanism mounting hole with bent axle installation space intercommunication has been seted up to the installation piece, the installation piece is equipped with annular cooling water cavity in the outside of mounting hole, the lower surface of going up the case body is equipped with two locating holes at least.

Preferably, the top of the mounting block is provided with an elongated positioning groove outside the cooling water cavity.

Preferably, the bottom of the upper box body is provided with three partition plates extending along the length direction, the three partition plates are arranged at intervals to form two crankshaft installation spaces, and the two crankshaft installation spaces are communicated with the two installation holes in a one-to-one correspondence manner.

Preferably, the lower surfaces of the three clapboards are recessed to form a first arc notch with the diameter smaller than the vertical height of the clapboards, and an arc groove is recessed downwards in the middle of the surface of the first arc notch of the clapboards.

Preferably, the partition plate in the middle is provided with a shaft hole, and the distance between the shaft hole and the notch is larger than the diameter of the shaft hole.

Preferably, one of the separators located on the outer side is provided with three equidistant through holes which are communicated with each other, and the distance between the through holes and the gaps is smaller than the diameter of the through holes, wherein the diameter of the through holes is smaller than the diameter of the shaft hole.

Preferably, the lower surface of the upper box body is provided with a plurality of threaded holes, and the upper surface of the upper box body is provided with a plurality of countersinks penetrating vertically downwards.

Preferably, the bottom of the upper box body is further provided with an installation cavity, and the installation cavity and the crankshaft installation space are arranged along the length direction of the upper box body.

Preferably, the inner surface of the mounting cavity is provided with a plurality of reinforcing ribs which are transversely and longitudinally arranged in a crossing manner.

Preferably, a second arc notch and an arc clamping groove are respectively formed in two side walls of the mounting cavity, which are parallel to the partition plate, the second arc notch penetrates through the side walls, the arc clamping groove is correspondingly arranged on the inner sides of the side walls of the two sides, and the two second arc notches are arranged in a staggered mode, so that the second arc notch is opposite to the arc clamping groove.

Compared with the prior art, the utility model has the advantages that:

through set up annular cooling water cavity in the outside of connecting rod piston mechanism mounting hole, optimized cooling system's structural design, structural design is ingenious, and the cooling effect is better. The locating hole has been set up below last case body, makes things convenient for its and lower box location installation, has set up rectangular shape constant head tank at the top of installation piece and has further made things convenient for the location installation of last case body and other spare part.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an engine upper case according to the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of an engine top case according to the present utility model;

fig. 3 is a schematic diagram of an upper case of an engine according to the present utility model.

In the figure: 1. an upper case body; 11. reinforcing ribs; 12. a second arcuate notch; 13. an arc-shaped clamping groove; 14. positioning holes; 15. a threaded hole; 16. a connecting plate; 17. a threaded column; 18. a strip-shaped positioning groove; 19. countersink; 2. a crankshaft installation space; 3. a mounting cavity; 4. a mounting block; 41. a mounting hole; 42. an annular cooling water cavity; 5. a partition plate; 51. a first arcuate notch; 52. an arc-shaped groove; 53. a shaft hole; 54. a through hole; 55. and a third arc notch.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one: an engine upper box body is shown in combination with figures 1-3, and comprises an upper box body 1, wherein a crankshaft installation space 2 and an installation cavity 3 are arranged at the bottom of the upper box body 1, and the installation cavity 3 and the crankshaft installation space 2 are arranged along the length direction of the upper box body 1. The top of the upper box body 1 is obliquely upwards extended to form a mounting block 4, the mounting block 4 is provided with a connecting rod piston mechanism mounting hole 41 communicated with the crankshaft mounting space 2, and the mounting block 4 is provided with an annular cooling water cavity 42 outside the mounting hole 41.

In this embodiment, the bottom of the upper case body 1 is provided with three partition boards 5 extending along the length direction, and the three partition boards 5 are arranged at intervals to form two crankshaft installation spaces 2, and the two crankshaft installation spaces 2 are communicated with the two installation holes 41 in a one-to-one correspondence manner. The lower surfaces of the three partition boards 5 are recessed to form a first arc notch 51 with the diameter smaller than the vertical height of the partition boards 5, and an arc groove 52 is recessed downwards in the middle of the surface of the partition boards 5 at the first arc notch 51. The middle partition plate 5 is provided with a shaft hole 53, and the distance between the shaft hole 53 and the notch is larger than the diameter of the shaft hole 53. Three equidistant and mutually communicated through holes 54 are arranged on one of the baffle plates 5 positioned on the outer side, and the distance between the through holes 54 and the gaps is smaller than the diameter of the through holes 54, wherein the diameter of the through holes 54 is smaller than the diameter of the shaft holes 53. The side of the three partition boards 5 far away from the installation cavity 3 is matched with the upper box body 1 to form a third arc notch 55.

The inner surface of the mounting chamber 3 is provided with a plurality of transverse and longitudinal cross-arranged reinforcing ribs 11. A second arc notch 12 and an arc clamping groove 13 are respectively arranged on the side walls of the two sides of the installation cavity 3, which are parallel to the partition plate 5, the second arc notch 12 penetrates through the side walls, the arc clamping groove 13 is correspondingly arranged on the inner sides of the side walls of the two sides, and the two second arc notches 12 are arranged in a staggered manner, so that the second arc notch 12 and the arc clamping groove 13 are arranged oppositely.

The lower surface of the upper case body 1 is provided with at least two positioning holes 14. The lower surface of the upper box body 1 is provided with a plurality of threaded holes 15, and the upper surface of the upper box body 1 is provided with a plurality of counter bores 19 penetrating vertically downwards. The left and right sides of the upper case body 1 are provided with a plurality of screw thread columns 17, and one side extends outwards to form a connecting plate 16, and the outer side of the connecting plate 16 is also provided with a plurality of screw thread columns 17.

The top of the mounting block 4 is provided with an elongated positioning groove 18 outside the cooling water cavity.

By arranging the annular cooling water cavity 42 outside the connecting rod piston mechanism mounting hole 41, the structural design of the cooling system is optimized, the structural design is ingenious, and the cooling effect is good. The locating hole 14 has been set up below last case body 1, makes things convenient for its and lower box location installation, has set up rectangular shape constant head tank 18 at the top of installation piece 4 and has further made things convenient for the location installation of last case body 1 and other spare part.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a box on engine, includes case body (1), its characterized in that, the bottom of last case body (1) is equipped with bent axle installation space (2), the top slope of last case body (1) upwards extends has installation piece (4), connecting rod piston mechanism mounting hole (41) with bent axle installation space (2) intercommunication have been seted up to installation piece (4), installation piece (4) are equipped with annular cooling water cavity (42) in the outside of mounting hole (41), the lower surface of last case body (1) is equipped with two locating holes (14) at least.

2. An engine upper case according to claim 1, wherein the top of the mounting block (4) is provided with an elongated positioning groove (18) outside the cooling water chamber.

3. An engine upper box according to claim 1, wherein the bottom of the upper box body (1) is provided with three partition boards (5) extending along the length direction, the three partition boards (5) are arranged at intervals to form two crankshaft installation spaces (2), and the two crankshaft installation spaces (2) are communicated with the two installation holes (41) in a one-to-one correspondence manner.

4. An engine upper case according to claim 3, wherein the lower surfaces of the three partition boards (5) are recessed to form a first arc-shaped notch (51) with a diameter smaller than the vertical height of the partition boards (5), and the partition boards (5) are recessed downwards with arc-shaped grooves (52) in the middle of the surface of the first arc-shaped notch (51).

5. An engine upper case according to claim 4, wherein the partition plate (5) in the middle is provided with a shaft hole (53), and the distance between the shaft hole (53) and the first arc-shaped notch (51) is larger than the diameter of the shaft hole (53).

6. An engine upper case according to claim 5, characterized in that one of the partition plates (5) located on the outer side is provided with three equidistant and mutually communicating through holes (54), the distance between the through holes (54) and the notch being smaller than the diameter of the through holes (54), wherein the diameter of the through holes (54) is smaller than the diameter of the shaft hole (53).

7. An engine upper box according to any one of claims 1-6, wherein a plurality of threaded holes (15) are formed in the lower surface of the upper box body (1), and a plurality of countersinks (19) penetrating up and down are formed in the upper surface of the upper box body (1) downwards.

8. An engine upper box according to any one of claims 3-6, wherein the bottom of the upper box body (1) is further provided with a mounting cavity (3), and the mounting cavity (3) and the crankshaft mounting space (2) are arranged along the length direction of the upper box body (1).

9. An engine upper case according to claim 8, wherein the inner surface of the mounting chamber (3) has a plurality of reinforcing ribs (11) disposed transversely and longitudinally across each other.

10. The engine upper box according to claim 9, wherein a second arc notch (12) and an arc clamping groove (13) are respectively formed in two side walls of the installation cavity (3) parallel to the partition plate (5), the second arc notch (12) penetrates through the side walls, the arc clamping groove (13) is correspondingly arranged on the inner sides of the side walls at two sides, and the two second arc notches (12) are arranged in a staggered mode, so that the second arc notch (12) and the arc clamping groove (13) are oppositely arranged.