CN212898730U

CN212898730U - Annular heat radiation structure of crankshaft box

Info

Publication number: CN212898730U
Application number: CN202021984993.8U
Authority: CN
Inventors: 赵桂珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-06
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a crankshaft box body annular heat radiation structure, which comprises an upper crankcase and a lower crankcase, wherein one end of the lower crankcase is integrally formed with a first lug, the other end of the lower crankcase is provided with a through hole, the outer side of the through hole is provided with four guide pillars with equal angles, the outer wall of the lower crankcase is provided with a first heat radiation gold sheet, one side of the lower crankcase is provided with a first gap, one end of the upper crankcase is integrally formed with a second lug, the utility model mainly comprises that the outer walls of the upper crankcase and the lower crankcase are respectively provided with a first heat radiation gold sheet and a second heat radiation gold sheet, the first heat radiation gold sheet and the second heat radiation gold sheet are respectively provided with fifteen, and fifteen first heat radiation gold sheets and fifteen second heat radiation gold sheets are respectively assembled into an annular ring and fixed on the side walls of the lower crankcase and the upper crankcase, heat conduction is carried out through the heat radiation gold sheets, the heat dissipation speed of the crankcase is accelerated to a certain extent, and the service life of the engine is prolonged.

Description

Annular heat radiation structure of crankshaft box

Technical Field

The utility model relates to a bent axle box heat dissipation technical field specifically is a bent axle box annular heat radiation structure.

Background

The crank shaft is a cavity structure for accommodating the crank shaft of the automobile, for a common engine, the crank shaft is a shaft with the crank shaft at the lower part of the engine, the crank shaft can rotate around the shaft center when the engine works, the crank shaft is connected with a connecting rod, the reciprocating motion of a piston is converted into the rotation of the crank shaft through the action of the connecting rod, so as to drive a vehicle, the crank shaft is arranged on an upper crank shaft box and a lower crank shaft box, the upper crank shaft box is cast with a cylinder body into a whole, and the lower crank shaft box is used for storing lubricating oil; however, most of existing crank cases adopt a circle-protecting separation mode, so that the crank cases are inconvenient to assemble, the shell of the rear half crank case is not firm, the heat dissipation effect of the crankcase body is poor, the engine can generate a large amount of heat when working in the crank case, and the heat is not dissipated in time to influence the service life of the engine, so that the annular heat dissipation structure of the crank case body needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bent axle box annular heat radiation structure, through the theory of operation of heat dissipation mechanism, can solve because of the crankcase majority adopts the circle of guarantor's separation mode, the assembly of being not convenient for makes the insecure problem of casing of latter half crankcase and because of the poor problem that influences engine life of crankcase box radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: an annular heat dissipation structure of a crankshaft box body comprises an upper crankcase and a lower crankcase, wherein one end of the lower crankcase is integrally formed with a first bump, the other end of the lower crankcase is provided with a through hole, the outer side of the through hole is provided with four guide posts at equal angles, the outer wall of the lower crankcase is provided with a first heat-radiating gold sheet, one side of the lower crankcase is provided with a first gap, a second lug is integrally formed at one end of the upper crankcase, the first lug and the second lug are fixedly connected through a bolt, an annular fixed plate is fixed at the other end of the upper crankcase, a sleeve is arranged in the fixed plate, one end of the sleeve is communicated with the other end of the upper crankcase, a second heat dissipation gold sheet is arranged on the outer wall of the upper crankcase, and a notch corresponding to the first notch is formed in one side of the upper crankcase.

Preferably, fifteen first radiating gold sheets and fifteen second radiating gold sheets are respectively provided, and fifteen first radiating gold sheets and fifteen second radiating gold sheets respectively form an annular ring and are fixed on the side walls of the lower crankcase and the upper crankcase.

Preferably, one end of each of the first heat dissipation gold plate and the second heat dissipation gold plate is provided with an oblique angle, and the first heat dissipation gold plate and the second heat dissipation gold plate are identical in appearance.

Preferably, one side of first lug equidistance is provided with six first archs, set up the confession on the first arch the through-hole that the one end of bolt passed, one side of second lug is provided with the second arch, set up the confession on the second arch the screw of the one end spiro union of bolt.

Preferably, six grooves are formed in the side wall of the lower crankcase at equal intervals, and nuts of the bolts are located inside the grooves.

Preferably, the inner diameter of the lower crankcase is the same as the inner diameter of the upper crankcase, and the depth of the lower crankcase is the same as the depth of the upper crankcase.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses mainly be provided with first heat dissipation gold card and second heat dissipation gold card respectively at the outer wall of last crankcase and lower crankcase, first heat dissipation gold card and second heat dissipation gold card all are provided with fifteen, and fifteen first heat dissipation gold cards and fifteen second heat dissipation gold cards form the lateral wall that the annular ring is fixed at lower crankcase and last crankcase respectively, carry out heat-conduction through the heat dissipation gold card, accelerate the radiating rate of crankcase to a certain extent, prolonged the life of engine.

2. The utility model discloses the last crankcase that sets up is the same with the degree of depth of lower crankcase, and the one end integrated into one piece of going up the crankcase has the second lug, and the one end integrated into one piece of lower crankcase has first lug, and first lug and second lug pass through bolt fixed connection, the assembly of being convenient for, and the fastness of half crankcase casing after the certain degree of increase.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a lower crankcase of the present invention;

FIG. 3 is a schematic view of an upper crankcase of the present invention;

fig. 4 is a schematic view of the heat-dissipating gold plate of the present invention.

In the figure: 1. a lower crankcase; 2. a first heat-dissipating gold sheet; 3. a first bump; 4. a first protrusion; 5. a bolt; 6. a groove; 7. a guide post; 8. an upper crankcase; 9. a second heat-dissipating gold sheet; 10. a second bump; 11. a second protrusion; 12. a sleeve; 13. a fixing plate; 14. a notch; 15. a screw hole; 16. a through hole; 17. a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an annular heat dissipation structure of a crankshaft box body comprises an upper crankcase 8 and a lower crankcase 1, wherein one end of the lower crankcase 1 is integrally formed with a first convex block 3, the other end of the lower crankcase is provided with a through hole 17, the outer side of the through hole 17 is provided with four guide pillars 7 at equal angles, the outer wall of the lower crankcase 1 is provided with a first heat dissipation gold sheet 2, one side of the lower crankcase 1 is provided with a first notch, one end of the upper crankcase 8 is integrally formed with a second convex block 10, the first convex block 3 and the second convex block 10 are fixedly connected through a bolt 5, one side of the first convex block 3 is provided with six first bulges 4 at equal intervals, the first bulges 4 are provided with through holes 16 for one end of the bolt 5 to pass through, one side of the second convex block 10 is provided with a second bulge 11, the second bulge 11 is provided with a screw hole 15 for one end of the bolt 5 to be screwed, so, the cylinder core in the crankcase can be maintained by disassembling the bolt 5, so that the service life of the engine is prolonged to a certain extent;

six grooves 6 are formed in the side wall of the lower crankcase 1 at equal intervals, and nuts of the bolts 5 are located inside the grooves 6, so that the bolts 5 can be conveniently mounted and dismounted;

the inner diameter of the lower crankcase 1 is the same as that of the upper crankcase 8, and the depth of the lower crankcase 1 is the same as that of the upper crankcase 8, so that the cylinder cores of the lower crankcase 1 and the upper crankcase 8 are fixed in a separated mode, the assembly convenience is improved to a certain extent, and the firmness of the shell of the rear half crankcase is improved;

an annular fixing plate 13 is fixed at the other end of the upper crankcase 8, a sleeve 12 is arranged inside the fixing plate 13, one end of the sleeve 12 is communicated with the other end of the upper crankcase 8, a second heat-radiating gold sheet 9 is arranged on the outer wall of the upper crankcase 8, and a notch 14 corresponding to the first notch is formed in one side of the upper crankcase 8, so that the engine cylinder core can be conveniently installed;

first heat dissipation gold sheet 2 and second heat dissipation gold sheet 9 all are provided with fifteen, and fifteen first heat dissipation gold sheets 2 and fifteen second heat dissipation gold sheets 9 form the lateral wall that the annular ring is fixed at lower crankcase 1 and upper crankcase 8 respectively, the one end of first heat dissipation gold sheet 2 and second heat dissipation gold sheet 9 is provided with the oblique angle, first heat dissipation gold sheet 2 is the same with the appearance of second heat dissipation gold sheet 9, carry out heat-conduction through the heat dissipation gold sheet, accelerate the radiating rate of crankcase to a certain extent, the life of engine has been prolonged.

The working principle is as follows: the cylinder core of the engine is arranged inside an upper crankcase 8 and a lower crankcase 1, the upper crankcase 8 and the lower crankcase 1 are fixedly connected through a first bump 3 and a second bump 10 by using a bolt 5, and are respectively formed into annular rings through fifteen first heat dissipation gold sheets 2 and fifteen second heat dissipation gold sheets 9 and are fixed on the side walls of the lower crankcase 1 and the upper crankcase 8;

in addition, the first bulge 4 and the second bulge 11 are fixedly connected through the bolts 5, and the depths of the upper crankcase 8 and the lower crankcase 1 are the same, so that the cylinder cores of the lower crankcase 1 and the upper crankcase 8 are fixed in a separated mode, assembly is facilitated, and firmness of the rear half crankcase shell is improved to a certain extent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an annular heat radiation structure of crankshaft box, includes crankcase (8) and lower crankcase (1), its characterized in that: a first convex block (3) is integrally formed at one end of the lower crankcase (1), a through hole (17) is formed at the other end of the lower crankcase, four guide posts (7) are arranged on the outer side of the through hole (17) at equal angles, a first heat dissipation gold sheet (2) is arranged on the outer wall of the lower crankcase (1), a first notch is formed at one side of the lower crankcase (1), a second convex block (10) is integrally formed at one end of the upper crankcase (8), the first convex block (3) and the second convex block (10) are fixedly connected through a bolt (5), an annular fixing plate (13) is fixed at the other end of the upper crankcase (8), a sleeve (12) is arranged inside the fixing plate (13), one end of the sleeve (12) is communicated with the other end of the upper crankcase (8), and a second heat dissipation gold sheet (9) is arranged on the outer wall of the upper crankcase (8), and one side of the upper crankcase (8) is provided with a notch (14) corresponding to the first notch.

2. The annular heat dissipation structure of a crankshaft box body of claim 1, wherein: fifteen first radiating gold sheets (2) and fifteen second radiating gold sheets (9) are respectively provided, and fifteen first radiating gold sheets (2) and fifteen second radiating gold sheets (9) form an annular ring to be fixed on the side walls of the lower crankcase (1) and the upper crankcase (8).

3. The annular heat dissipation structure of a crankshaft box body of claim 1, wherein: one end of the first radiating gold sheet (2) and one end of the second radiating gold sheet (9) are provided with oblique angles, and the first radiating gold sheet (2) and the second radiating gold sheet (9) are identical in appearance.

4. The annular heat dissipation structure of a crankshaft box body of claim 1, wherein: one side equidistance of first lug (3) is provided with six first archs (4), offer the confession on first arch (4) through-hole (16) that the one end of bolt (5) passed, one side of second lug (10) is provided with second arch (11), offer the confession on second arch (11) screw (15) of the one end spiro union of bolt (5).

5. The annular heat dissipation structure of a crankshaft box body of claim 1, wherein: six grooves (6) are formed in the side wall of the lower crankcase (1) at equal intervals, and nuts of the bolts (5) are located in the grooves (6).

6. The annular heat dissipation structure of a crankshaft box body of claim 1, wherein: the inner diameter of the lower crankcase (1) is the same as that of the upper crankcase (8), and the depth of the lower crankcase (1) is the same as that of the upper crankcase (8).