CN210889095U

CN210889095U - Engine with vertical shaft power flywheel

Info

Publication number: CN210889095U
Application number: CN201921854147.1U
Authority: CN
Inventors: 杨佺; 罗伟; 唐勇; 熊伟
Original assignee: Chongqing Huashidan Power Technology Co ltd
Current assignee: Chongqing Huashidan Power Technology Co ltd; Chongqing Hwasdan Machinery Manufacturing Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-30
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to an engine with a vertical shaft power flywheel, which comprises an engine body, a crankshaft and a crankcase body, wherein the engine body and a wind guide impeller for air cooling are arranged in transmission fit with the crankshaft; the flywheel body is positioned outside the crankcase body and is provided with an axially through groove, and the air guide impeller is externally covered with an air guide cover for guiding cooling air generated by the air guide impeller to the crankcase body through the through groove and cooling the engine body; the cooling air quantity which is beneficial to entering the air guide cover is guided to the side of the crankcase through the through groove under the rotating action of the air guide impeller and the reasonable distribution of the air guide molded lines, so that the larger cooling air quantity is beneficial to being provided, the better cooling of the engine is facilitated, and the service life of the engine is prolonged.

Description

Engine with vertical shaft power flywheel

Technical Field

The utility model relates to an engine heat dissipation field, concretely relates to engine with vertical axis power flywheel.

Background

With the development of economy and the advancement of society, motor vehicles have become increasingly popular as transportation tools. The existing motor vehicle can generate a large amount of heat during working, so that the heat dissipation needs to be carried out timely to ensure the normal operation of the motor vehicle.

In the prior art, the engine is usually cooled to the maximum extent by combining various modes, for example, the air flow generated by the rotation of a water tank fan takes away heat, lubricating oil in the engine body has a part of heat, and an air guide impeller of the engine is arranged on a flywheel, so that the cooling air quantity passes through an air guide cover and then enters air by starting a pull disc, so as to cool the engine; in order to further reduce the operating power and prolong the service life of the engine, the engine needs to be cooled more effectively.

Based on above problem, the utility model provides an engine with vertical axis power flywheel. This engine with vertical axis power flywheel does benefit to the cooling air volume that gets into the wind scooper and leads the cooling air volume to crankcase side through leading to the groove under the rotation effect of wind-guiding impeller and the rational distribution of wind-guiding molded lines, does benefit to and provides bigger cooling air volume and does benefit to and carries out better cooling to the engine, does benefit to the life-span that improves the engine.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an engine with vertical axis power flywheel does benefit to the cooling air volume that gets into the wind scooper and leads the cooling air volume to crankcase side through leading to the groove under the rotation of wind-guiding impeller and the rational distribution of wind-guiding molded lines, does benefit to and provides bigger cooling air volume and does benefit to and carry out better cooling to the engine, does benefit to the life-span that improves the engine.

The utility model discloses an engine with vertical axis power flywheel, including engine body, bent axle and bent axle box, with the transmission cooperation of bent axle be equipped with the flywheel body and be used for the wind-guiding impeller of forced air cooling; the flywheel body is positioned outside the crankcase body and is provided with an axially through groove, and the air guide impeller is externally covered with an air guide cover for guiding cooling air generated by the air guide impeller to the crankcase body through the through groove and cooling the engine body; the axial direction here refers to the axial direction of the crankshaft; the wind guide impeller is arranged on the side, far away from the crankcase, of the flywheel body so as to be beneficial to structural layout and an outer cover of a wind guide cover; the wind guide impeller and the flywheel body are of an integrally formed structure, impeller blades of the wind guide impeller are arranged on the side, away from the crankcase, of a flywheel disc of the flywheel body, and under the condition that a crankshaft drives the flywheel body to rotate and the flywheel body drives the wind guide impeller blades to rotate, cooling air in the wind guide cover runs along a certain wind guide molded line and enables the cooling air to be led to the side of the crankcase through the axial through groove in the flywheel disc of the flywheel body under the action of rotating centrifugal force, so that cooling and heat dissipation of the crankcase body and the engine body are facilitated.

Furthermore, the flywheel body comprises a flywheel disc vertical to the axial direction of the crankshaft, and the air guide impeller is arranged on the side, far away from the crankshaft case, of the flywheel disc; the flywheel body is provided with a shaped hole for sleeving the crankshaft, and a convex flywheel disc is arranged on the side close to the crankcase in the radial direction; the structure layout is facilitated, and the outer cover of the wind scooper is facilitated;

furthermore, the air guide impeller consists of a plurality of impeller blades which are arranged at intervals along the circumferential direction of the flywheel disc; preferably, a plurality of impeller blades are arranged in the circumferential direction of the flywheel disc at equal intervals, so that cooling air for forming stable airflow can pass through the through groove to cool and radiate the crankcase body and the engine body; the impeller blades have a certain curvature and are slightly bent towards the rotating direction, so that more cooling gas flow is driven during rotation;

furthermore, the length of the impeller blade along the axial direction is increased by 2-15mm on the basis of the existing impeller blade with the same specification; the axial direction here is understood to be the axial direction of the crankshaft; preferably, the length of the impeller blade along the axial direction is increased by 10mm compared with the length of the existing impeller blade along the axial direction with the same specification, so that the increase of the gas flow of cooling air during the rotation of the flywheel in the wind scooper is facilitated;

further, the impeller blades are arranged close to the radial outer side of the flywheel disc; radial here is understood to mean the radial direction of the crankshaft; the impeller blades and the through grooves are staggered, the structural layout is facilitated, and the cooling air quantity is facilitated to penetrate through the axially penetrating through grooves to cool and dissipate heat of the crankcase body and the engine body on the basis of increasing the cooling air quantity;

furthermore, the through grooves are arranged close to the radial inner side of the flywheel disc; radial here is understood to mean the radial direction of the crankshaft; 2 through grooves are preferably arranged, so that the structural strength of the flywheel disc, particularly the stability in the rotating process, is guaranteed, and the large-flow cooling air can pass through the flywheel disc, so that the crankshaft box body and the engine body can be cooled and radiated;

further, the through grooves are arranged at intervals along the circumferential direction of the (flywheel disc); preferably, the 2 through grooves are symmetrically arranged on two axial sides of the crankshaft, so that the stable cooling air quantity driven by the rotation of the air guide impeller is further facilitated to form cooling and heat dissipation on the crankshaft box body and the engine body through the two through grooves;

further, the through groove is long-strip-shaped; the staggered arrangement of the through grooves and the impeller blades is facilitated, the strip-shaped through grooves are preferably arranged approximately along the radial direction, and part of the strip-shaped through grooves are positioned near the middle position of two adjacent impeller blades, so that the ventilation quantity of the through grooves is further improved on the basis of ensuring the structural strength of the flywheel disc, particularly the structural strength during operation, and the cooling and heat dissipation of the crankshaft box body and the engine body are further facilitated;

furthermore, the wind guide impeller and the flywheel body form an integrated structure; the structural stability during operation is improved, and the service life is prolonged; the integral forming process of the wind guide impeller and the flywheel body belongs to the prior art, and is not described herein again.

The utility model has the advantages that: the utility model discloses an engine with vertical axis power flywheel, through the setting that leads to the groove and to impeller blade's extension, do benefit to the cooling amount of wind that gets into the wind scooper and lead to crankcase side through leading to the groove with the cooling amount of wind under the rotation effect of wind-guiding impeller and the rational distribution of wind-guiding molded lines, do benefit to and provide bigger cooling amount of wind to do benefit to and carry out better cooling to the engine, do benefit to the life who improves the engine.

Drawings

The invention will be further described with reference to the following figures and examples:

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

fig. 2 is an isometric view of a flywheel of the present invention;

fig. 3 is an isometric view of the present invention;

fig. 4 is an axial sectional view of the present invention.

Detailed Description

Fig. 1 is the utility model discloses a flywheel structure schematic diagram, fig. 2 is the utility model discloses a flywheel isometric view, fig. 3 is the utility model discloses an isometric view, fig. 4 is the utility model discloses an axial cut-off view, as shown in the figure: the engine with the vertical shaft power flywheel comprises an engine body, a crankshaft 7 and a crankcase body 1, wherein the flywheel body 2 and an air guide impeller for air cooling are arranged in transmission fit with the crankshaft 7; the flywheel body 2 is positioned outside the crankcase body 1 and is provided with an axially through groove 4, and the air guide impeller is externally covered with an air guide cover 6 for guiding cooling air generated by the air guide impeller to the crankcase body 1 through the through groove 4 and cooling the engine body; the axial direction here refers to the axial direction of the crankshaft 1; the wind guide impeller is arranged on the side, far away from the crankcase body 1, of the flywheel body 2 so as to be beneficial to structural layout and an outer cover of a wind guide cover 6; for ease of illustration, the wind scooper 6 is not shown in its entirety; the wind guide impeller and the flywheel body 2 are of an integrally formed structure, impeller blades 5 of the wind guide impeller are arranged on the side, far away from the crankcase body 1, of a flywheel disc of the flywheel body 2, under the condition that the crankshaft 7 drives the flywheel body 2 to rotate and the flywheel body 2 drives the wind guide impeller blades 5 to rotate, cooling air in the wind guide cover 6 runs along a certain wind guide molded line and enables the cooling air to be led to the side of the crankcase body 1 through axial through grooves 4 formed in the flywheel disc 3 of the flywheel body 2 under the action of rotating centrifugal force, and cooling and heat dissipation of the crankcase body 1 and an engine body are facilitated.

In this embodiment, the flywheel body 2 includes a flywheel disc 3 perpendicular to the axial direction of the crankshaft 7, and the air guide impeller is disposed on the side of the flywheel disc 3 away from the crankcase body 1; the flywheel body 2 is provided with a shaped hole for sleeving the crankshaft 1, and a convex flywheel disc 3 is arranged on the side close to the crankshaft box body 1 along the radial direction; radial here is understood to mean the radial direction of the crankshaft 1; is beneficial to the structural layout and the outer cover of the wind scooper 6.

In this embodiment, the wind guide impeller is composed of a plurality of impeller blades 5 arranged at intervals along the circumferential direction of the flywheel disc 3; preferably, a plurality of impeller blades 5 are arranged in the circumferential direction of the flywheel disc 3 at equal intervals, so that cooling air for forming stable airflow can pass through the through groove 4 and then cool and radiate the crankcase body 1 and the engine body; the impeller blades 5 have a certain curvature and are slightly curved towards the rotation direction, so that more cooling gas flow is driven during rotation.

In the embodiment, the length of the impeller blade 5 along the axial direction is increased by 2-15mm on the basis of the existing impeller blade with the same specification; the axial direction here is understood to be the axial direction of the crankshaft 1; preferably, the length of the impeller blade 5 along the axial direction is increased by 10mm compared with the length of the existing impeller blade with the same specification along the axial direction, so that the increase of the gas flow of the cooling air when the flywheel in the wind scooper 6 rotates is facilitated.

In this embodiment, the impeller blades 5 are disposed close to the radial outer side of the flywheel disk 3; radial here is understood to mean the radial direction of the crankshaft 1; do benefit to impeller blade 5 and the setting of staggering that leads to groove 4, do benefit to structural configuration and satisfy on the basis that increases the cooling air volume, do benefit to the cooling and the heat dissipation of the logical groove 4 that the cooling air volume passes the axial and run through to crankcase 1 and engine body.

In this embodiment, the through grooves 4 are multiple ones that are arranged close to the radial inner side of the flywheel disk 3; radial here is understood to mean the radial direction of the crankshaft 1; preferably, 2 through grooves 4 are formed, so that the structural strength of the flywheel disc 3 is guaranteed, and particularly on the basis of stability in the rotating process, the cooling air with large flow rate can pass through the through grooves, and cooling and heat dissipation of the crankcase body 1 and the engine body are facilitated.

In this embodiment, the plurality of through grooves 4 are arranged at intervals along the circumferential direction; preferably, 2 through grooves 4 are symmetrically arranged on two axial sides of the crankshaft 7, so that the stable cooling air quantity driven by the rotation of the air guide impeller is further facilitated to cool and radiate the crankcase body 1 and the engine body through the two through grooves 4.

In this embodiment, the through groove 4 is a long strip; the staggered arrangement of the through grooves 4 and the impeller blades 5 is facilitated, preferably, the strip-shaped through grooves 4 are approximately arranged along the radial direction, and part of the strip-shaped through grooves 4 are located near the middle positions of the two adjacent impeller blades 5, so that the ventilation quantity of the through grooves 4 is further improved on the basis of ensuring the structural strength of the flywheel disc 3, particularly the structural strength during operation, and the cooling and heat dissipation of the crankcase body 1 and the engine body are further facilitated.

In this embodiment, the wind guide impeller and the flywheel body 2 form an integrated structure; the structural stability during operation is improved, and the service life is prolonged; the integral forming process of the wind guide impeller and the flywheel body 2 belongs to the prior art, and is not described herein again.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An engine having a vertical axis power flywheel, characterized by: the engine comprises an engine body, a crankshaft and a crankcase body, wherein a flywheel body and an air guide impeller for air cooling are arranged in transmission fit with the crankshaft; the flywheel body is positioned outside the crankcase body and is provided with an axially through groove, and the air guide impeller is externally covered with an air guide cover which is used for guiding cooling air generated by the air guide impeller to the crankcase body through the through groove and cooling the engine body.

2. The engine with a vertical axis power flywheel of claim 1 wherein: the flywheel body includes the axial flywheel dish of perpendicular to bent axle, wind-guiding impeller set up in keeping away from crankcase side of flywheel dish.

3. The engine with a vertical axis power flywheel of claim 2, characterized in that: the air guide impeller is composed of a plurality of impeller blades arranged at intervals along the circumferential direction of the flywheel disc.

4. An engine with a vertical axis power flywheel as claimed in claim 3 wherein: the length of the impeller blade along the axial direction is increased by 2-15mm on the basis of the existing impeller blade with the same specification.

5. An engine with a vertical axis power flywheel as claimed in claim 3 wherein: the impeller blades are arranged close to the radial outer side of the flywheel disc.

6. The engine with a vertical axis power flywheel of claim 2, characterized in that: the through grooves are positioned close to the radial inner sides of the flywheel discs.

7. The engine with a vertical axis power flywheel of claim 6 wherein: the plurality of through grooves are arranged at intervals along the circumferential direction.

8. The engine with a vertical axis power flywheel of claim 1 wherein: the through groove is in a long strip shape.

9. The engine with a vertical axis power flywheel of claim 1 wherein: the wind guide impeller and the flywheel body form an integrated structure.