CN211852672U

CN211852672U - Flywheel gear ring of gasoline engine

Info

Publication number: CN211852672U
Application number: CN201921648690.6U
Authority: CN
Inventors: 李锋; 商志俊; 于瑞彬
Original assignee: Yancheng Lingchi Machinery Co ltd
Current assignee: Yancheng Lingchi Machinery Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-11-03
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a gasoline engine flywheel ring gear, include: gasoline engine flywheel ring gear includes: the flywheel body and the gear ring body which is arranged on the outer side of the flywheel body in a sliding mode are provided with a crankshaft hole, a plurality of sliding grooves are evenly formed in the outer side of the flywheel body, a plurality of first sliding blocks which are matched with the sliding grooves are evenly arranged on the inner side of the gear ring body, two adjacent sliding blocks are arranged in the flywheel body between the sliding grooves, a sliding block sliding cavity and a limiting sliding cavity which is communicated with the sliding block sliding cavity are respectively formed in the flywheel body, the sliding block sliding cavity is communicated with the outer portion of the flywheel body, the limiting sliding cavity is communicated with the crankshaft hole, a second sliding block which is matched with the sliding block sliding cavity is arranged in the sliding block sliding cavity in a sliding mode, and one end, extending into the limiting sliding cavity, of the second sliding block.

Description

Flywheel gear ring of gasoline engine

Technical Field

The utility model relates to a gasoline engine accessory especially relates to a gasoline engine flywheel ring gear.

Background

The flywheel for the gasoline engine is arranged between the gasoline engine and the clutch, and is usually directly installed at the rear end of a crankshaft of the gasoline engine through bolts to balance transmitted power and ensure that the crankshaft rotates uniformly in each working cycle so as to ensure that the rotation unevenness is within a required range. The flywheel comprises flywheel dish body and ring gear body, and the assembly methods of current flywheel all is earlier with ring gear heating expansion, then overlaps the ring gear on the flywheel dish periphery, treats that the ring gear cooling back can tighten the flywheel, and is even as an organic whole rather than, because the ring gear is vulnerable part, this kind of connected mode installation, change ring gear are troublesome, in case the ring gear damages the flywheel dish also can be followed and scrapped together, and the replacement cost is high, resource-wasting.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the flywheel gear ring of the gasoline engine is low in replacement cost.

In order to solve the technical problem, the utility model discloses a technical scheme is: gasoline engine flywheel ring gear includes: the flywheel comprises a flywheel body and a gear ring body arranged outside the flywheel body in a sliding manner, wherein a crankshaft hole is formed in the middle of the flywheel body, a plurality of sliding grooves are uniformly formed in the outer side of the flywheel body, a plurality of first sliding blocks matched with the sliding grooves are uniformly arranged on the inner side of the gear ring body, a sliding block sliding cavity and a limiting sliding cavity communicated with the sliding block sliding cavity are respectively arranged in the flywheel body between every two adjacent sliding grooves, the sliding block sliding cavity is communicated with the outer part of the flywheel body, the limiting sliding cavity is communicated with the crankshaft hole, a second sliding block matched with the sliding block sliding cavity is arranged in the sliding block sliding cavity in a sliding manner, one end, extending into the limiting sliding cavity, of the second sliding block is connected with the limiting sliding block, the limiting sliding block is arranged in the limiting sliding cavity in a sliding manner, and a triangular limiting clamping block is arranged at the other end, extending out, the inner wall of one end, communicated with the crankshaft hole, of the limiting sliding cavity is provided with a male thread, the adjusting bolt is connected with the male thread through a female thread, a spring is arranged in the limiting sliding cavity between the adjusting bolt and the limiting sliding block, one end of the spring abuts against the adjusting bolt, the other end of the spring abuts against the limiting sliding block, triangular limiting clamping grooves matched with the triangular limiting clamping blocks are respectively formed in the inner sides of the gear ring bodies between every two adjacent first sliding blocks, left compression guide inclined planes matched with the right inclined planes of the triangular limiting clamping blocks are arranged at the left ends of the inner sides of the gear ring bodies between every two adjacent first sliding blocks, and right compression guide inclined planes matched with the left inclined planes of the triangular limiting clamping blocks are arranged at the right ends of the inner sides of the gear ring bodies between every two adjacent first sliding blocks.

The utility model has the advantages that: above-mentioned gasoline engine flywheel ring gear, novel structure, and reasonable design, the ring gear body can the direct slip cover establish on the flywheel dish body, establish the auto-lock in the triangle-shaped positioning slot through the outside jack-up triangle-shaped positioning fixture block card of spring, the ring gear is in case damage can be dismantled fast at any time and change, the flywheel dish can not scrap with the ring gear together, the installation, it is convenient to change, change cost is low, be favorable to the rational utilization of resource, simultaneously, the elasticity of spring can be adjusted through adjusting bolt, can guarantee the elasticity of triangle-shaped positioning fixture block card, in addition, can change at any time after spring and the wearing and tearing of triangle-shaped positioning fixture block, the life of extension flywheel dish.

Drawings

Fig. 1 is a schematic structural diagram of the flywheel gear ring of the gasoline engine of the present invention.

Fig. 2 is a schematic sectional structure view of a-a in fig. 1.

In the figure: 1. the flywheel comprises a flywheel body, 2, a gear ring body, 3, a crankshaft hole, 4, a sliding groove, 5, a first sliding block, 6, a sliding block sliding cavity, 7, a limiting sliding cavity, 8, a second sliding block, 9, a limiting sliding block, 10, a triangular limiting clamping block, 101, a right inclined plane, 102, a left inclined plane, 11, a male thread, 12, an adjusting bolt, 13, a female thread, 14, a spring, 15, a triangular limiting clamping groove, 16, a left pressing guide inclined plane, 17 and a right pressing guide inclined plane.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the flywheel ring gear of the gasoline engine comprises: the flywheel comprises a flywheel body 1 and a gear ring body 2 arranged outside the flywheel body 1 in a sliding manner, a crankshaft hole 3 is arranged in the middle of the flywheel body 1, a plurality of sliding grooves 4 are uniformly arranged on the outer side of the flywheel body 1, a plurality of first sliding blocks 5 matched with the sliding grooves 4 are uniformly arranged on the inner side of the gear ring body 2, a sliding block sliding cavity 6 and a limiting sliding cavity 7 communicated with the sliding block sliding cavity 6 are respectively arranged in the flywheel body 1 between every two adjacent sliding grooves 4, the sliding block sliding cavity 6 is communicated with the outer part of the flywheel body 1, the limiting sliding cavity 7 is communicated with the crankshaft hole 3, a second sliding block 8 matched with the sliding block sliding cavity 6 is arranged in the sliding block sliding cavity 6 in a sliding manner, one end of the second sliding block 8 extending into the limiting sliding cavity 7 is connected with a limiting sliding block 9, and the limiting sliding block 9 is arranged in the limiting sliding cavity 7 in a sliding manner, a triangular limiting clamping block 10 is arranged at the other end of the second sliding block 8 extending out of the flywheel body 1, male threads 11 are arranged on the inner wall of one end, communicated with the crankshaft hole 3, of the limiting sliding cavity 7, an adjusting bolt 12 is connected with the male threads 11 through female threads 13, a spring 14 is arranged in the limiting sliding cavity 7 between the adjusting bolt 12 and the limiting sliding block 9, one end of the spring 14 abuts against the adjusting bolt 12, the other end of the spring 14 abuts against the limiting sliding block 9, triangular limiting clamping grooves 15 matched with the triangular limiting clamping block 10 are respectively arranged at the inner sides of the gear ring bodies 2 between every two adjacent first sliding blocks 5, a left pressing guide inclined surface 16 matched with a right inclined surface 101 of the triangular limiting clamping block 10 is arranged at the left end of the inner sides of the gear ring bodies 2 between every two adjacent first sliding blocks 5, and the triangular limiting clamping block 10 are arranged at the right end of the inner sides of the gear ring bodies 2 between every two adjacent first sliding blocks 5 The left inclined surface 102 of the right pressing guide inclined surface 17 is matched with each other.

When the flywheel disc is installed, the gear ring body 2 is inserted from the left side of the flywheel disc body 1, the inner side of the gear ring body 2 is inserted into the outer side of the flywheel disc body 1 in a sliding manner from left to right, meanwhile, a plurality of first sliding blocks 5 on the inner side of the gear ring body 2 are respectively inserted into the sliding grooves 4 on the flywheel disc body 1 in a sliding manner from left to right, when the gear ring body 2 abuts against the triangular positioning clamping blocks 10, the right pressing guide inclined surface 17 on the right end of the inner side of the gear ring body 2 and the left inclined surface 102 of the triangular positioning clamping blocks 10 are obliquely pressed to realize a guide effect, the gear ring body 2 presses the triangular positioning clamping blocks 10 inwards, the triangular positioning clamping blocks 10 press the second sliding blocks 8 and the limiting sliding blocks 9 inwards, the second sliding blocks 8 slide in the sliding block sliding chambers 6, the limiting sliding blocks 9 slide inwards in the limiting sliding chambers 7 and press the springs 14 to be compressed, when the, the spring 14 is reset to push the limiting slide block 9 to move outwards, the limiting slide block 9 pushes the second slide block 8 to move outwards, the second slide block 8 pushes the triangular positioning clamping block 10 to move outwards and be clamped in the triangular positioning clamping groove 15 to realize positioning, at the moment, the gear ring body 2 is fixed on the flywheel disc body 1, the crankshaft hole 3 in the gear ring body 2 is connected with the transmission shaft, the transmission shaft drives the gear ring body 2 to rotate, and the gear ring body 2 drives the gear ring body 2 to rotate through the plurality of first slide blocks 5; the ring gear body 2 can also be inserted from the right side of the flywheel disc body 1, the principle of which is consistent with the above principle.

When the gear ring body 2 is dismounted from the left side of the flywheel disc body 1, the gear ring body 2 is forcibly slid leftwards, the right inclined surface of the triangular positioning clamping groove 14 in the gear ring body 2 is inwards inclined to extrude the right inclined surface 101 of the triangular positioning clamping block 10 to realize a guiding effect, the gear ring body 2 inwards presses the triangular positioning clamping block 10, the triangular positioning clamping block 10 inwards presses the second slider 8 and the limiting slider 9, the second slider 8 moves inwards in the slider sliding cavity 6, the limiting slider 9 moves inwards in the limiting sliding cavity 7 and extrudes the spring 14 to compress, when the gear ring body 2 slides out of the flywheel disc body 1, the spring 14 resets to push the second slider 8 to move outwards, and the second slider 8 pushes the triangular positioning clamping block 10 to reset to finish dismounting; the ring gear body 2 can also be detached from the right side of the flywheel disc body 1, the principle of which is consistent with the above principle.

When the tightness of the spring 14 needs to be adjusted, the elasticity of the spring 14 can be adjusted by rotating the adjusting bolt 12 inwards or outwards, so that the expansion force of the triangular limiting clamping block 10 is ensured; when the spring 14 or the triangular limiting clamping block 10 needs to be replaced, the adjusting bolt 12 is directly screwed out from the limiting sliding cavity 7, and the spring 14 or the triangular limiting clamping block 10 is taken out and replaced through the crankshaft hole 3.

Above-mentioned gasoline engine flywheel ring gear, novel structure, and reasonable design, the ring gear body can the direct slip cover establish on the flywheel dish body, establish the auto-lock in the triangle-shaped positioning slot through the outside jack-up triangle-shaped positioning fixture block card of spring, the ring gear is in case damage can be dismantled fast at any time and change, the flywheel dish can not scrap with the ring gear together, the installation, it is convenient to change, change cost is low, be favorable to the rational utilization of resource, simultaneously, the elasticity of spring can be adjusted through adjusting bolt, can guarantee the elasticity of triangle-shaped positioning fixture block card, in addition, can change at any time after spring and the wearing and tearing of triangle-shaped positioning fixture block, the life of extension flywheel dish.

Claims

1. Gasoline engine flywheel ring gear, its characterized in that: the method comprises the following steps: the flywheel comprises a flywheel body (1) and a gear ring body (2) arranged on the outer side of the flywheel body (1) in a sliding manner, a crankshaft hole (3) is formed in the middle of the flywheel body (1), a plurality of sliding grooves (4) are uniformly formed in the outer side of the flywheel body (1), a plurality of first sliding blocks (5) matched with the sliding grooves (4) are uniformly arranged on the inner side of the gear ring body (2), a sliding block sliding cavity (6) and a limiting sliding cavity (7) communicated with the sliding block sliding cavity (6) are respectively formed in the flywheel body (1) between every two adjacent sliding grooves (4), the sliding block sliding cavity (6) is communicated with the outer portion of the flywheel body (1), the limiting sliding cavity (7) is communicated with the crankshaft hole (3), a second sliding block (8) matched with the sliding block sliding cavity (6) is arranged in the sliding manner in the sliding block sliding cavity (6), one end, extending into the limiting sliding cavity (7), of the second sliding block (8) is connected with a limiting sliding block (9), the limiting slide block (9) is arranged in a limiting slide cavity (7) in a sliding manner, a triangular limiting clamping block (10) is arranged at the other end of the second slide block (8) extending out of the flywheel body (1), a male thread (11) is arranged on the inner wall of one end of the limiting slide cavity (7) communicated with the crankshaft hole (3), an adjusting bolt (12) is connected with the male thread (11) through a female thread (13), a spring (14) is arranged in the limiting slide cavity (7) between the adjusting bolt (12) and the limiting slide block (9), one end of the spring (14) is abutted against the adjusting bolt (12), the other end of the spring (14) is abutted against the limiting slide block (9), triangular limiting clamping grooves (15) matched with the triangular limiting clamping block (10) are respectively arranged on the inner side of the gear ring body (2) between two adjacent first slide blocks (5), the left end of the inner side of the gear ring body (2) between every two adjacent first sliding blocks (5) is provided with a left compression guide inclined plane (16) matched with the right inclined plane (101) of the triangular limiting clamping block (10), and the right end of the inner side of the gear ring body (2) between every two adjacent first sliding blocks (5) is provided with a right compression guide inclined plane (17) matched with the left inclined plane (102) of the triangular limiting clamping block (10).