CN212635629U

CN212635629U - Flywheel locking tool

Info

Publication number: CN212635629U
Application number: CN202021034253.8U
Authority: CN
Inventors: 朱洪磊; 王攀; 尧琼林; 黄涛; 张劲松
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-02
Anticipated expiration: 2030-06-08

Abstract

The utility model is used for engine flywheel assembly technical field, concretely relates to flywheel locking frock. The technical scheme of the utility model a flywheel locking frock, primary structure include through the hypoplastron, the upper plate that the round pin installed and adorn left latch, right latch and the sliding block between the two. When the flywheel gear ring is located at any position, the tool can be conveniently and quickly assembled on the cylinder body, so that the labor intensity of an operator is reduced, and occupational health hazards are avoided.

Description

Flywheel locking tool

Technical Field

The utility model is used for engine flywheel assembly technical field, concretely relates to flywheel locking frock.

Background

When the flywheel bolt is screwed down, the flywheel needs to be fixed firstly in order to avoid the rotation of the flywheel. When a flywheel is fixed by using patents such as 'a flywheel stopping tool of CN 201820187461.8', 'a flywheel stopping tool of CN 201721752717.7', etc., the flywheel needs to be rotated (the tool can be assembled on a cylinder body only when a gear ring on the flywheel is in a proper position), but the labor intensity of rotating the flywheel is high (the flywheel drives a crank connecting rod structure to move), and an operator has occupational health hazards. In order to solve the problems, a novel flywheel locking tool is designed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that, when the flywheel ring gear is in any position, the frock can both be convenient assembly to the cylinder body on, reduce operator intensity of labour, avoid occupational health harm.

The technical scheme of the utility model is a flywheel locking tool, which comprises a lower plate, an upper plate, a left latch, a right latch and a sliding block, wherein the left latch, the right latch and the sliding block are arranged between the lower plate and the upper plate;

the sliding block is arranged in the middle between the lower plate and the upper plate and can perform limited sliding along the front-back direction, and the left side and the right side of the sliding block are provided with first gear shaping teeth; the left latch and the right latch are respectively arranged at the left end and the right end of the lower plate and the upper plate through pins; the left latch and the right latch are both of a V-shaped structure, a second gear shaping and a third gear shaping are arranged at the top end of the V-shaped structure, the second gear shaping at one end is meshed with the flywheel gear ring, the third gear shaping at the other end is meshed with the first gear shaping on the sliding block, a latch mounting through hole matched with the pin is arranged at the bottom end of the V-shaped structure, and the left latch and the right latch can axially rotate around the pin under the driving of the sliding block; the lower section of the pin extends downwards to form a lower plate to be matched with the pin hole of the cylinder body.

Specifically, the limiting sliding of the sliding block is realized through a guide strip arranged on the sliding block and a sliding groove which is arranged on the lower surface of the upper plate and is matched with the guide strip.

Specifically, the pin comprises a pin lower section, a pin middle section and a pin upper section; threads are arranged on the upper pin upper section and matched with the upper plate mounting through holes at the two ends of the upper plate; the middle pin section is matched with the latch mounting through hole; the lower section of the pin is matched with the lower plate mounting through hole.

Preferably, the pin is stepped, and the diameter of the lower section of the pin is smaller than that of the middle section of the pin.

Preferably, a groove is formed at the joint of the middle pin section and the upper pin section; the upper plate mounting through hole is a stepped hole, the size of the large hole is matched with that of the middle section of the pin, and the size of the small hole is matched with that of the groove.

Preferably, the lower plate is further provided with a blocking wall for limiting the forward and backward sliding of the sliding block.

When the sliding block is used, the lower plate is sleeved on the pin, the sliding block is placed in the lower plate, the left clamping tooth and the right clamping tooth are sleeved on the pin, the gear teeth at one ends of the left clamping tooth and the right clamping tooth are meshed with the gear teeth of the sliding block respectively, and the upper plate is sleeved on the pin. Inserting a pin above a cylinder body pin hole, adjusting the positions of the left clamping tooth and the right clamping tooth to be meshed with the flywheel gear ring, assembling the pin in the cylinder body pin hole, fixing the flywheel, and screwing the tool by using a bolt; the flywheel bolt can be screwed up.

The utility model has the advantages that: the utility model discloses a flywheel locking frock left and right latch all can be the axial rotation, and when assembly fixture, the flywheel ring gear of any position can be adapted to through the position of adjusting left and right latch. The tool has the advantages of attractive appearance, exquisite process, simple structure, reliable performance, convenience in installation and use and strong practicability, and can effectively reduce the labor intensity of operators.

Drawings

Fig. 1 is a schematic view of the lower plate of the present invention.

Fig. 2 is a schematic view of the left latch of the present invention.

Fig. 3 is a schematic view of the right latch of the present invention.

Fig. 4 is a schematic view of the pin of the present invention.

Fig. 5 is a schematic view of the sliding block of the present invention.

Fig. 6 is a schematic view of the assembly of the pin and the lower plate of the present invention.

Fig. 7 is the assembly schematic view of the lower plate, the pin, the left latch, the right latch and the sliding block of the present invention.

Fig. 8 is a schematic view of the upper plate of the present invention.

Fig. 9 is a schematic view of the present invention after assembly.

Fig. 10-12 are schematic views illustrating the operation of the present invention.

The labels in the figure are: the gear-type cylinder block comprises a lower plate 1, a left latch 2, a right latch 3, a pin 4, a sliding block 5, an upper plate 6, a lower plate mounting through hole 1-1, a blocking wall 1-2, a latch mounting through hole 2-1, a first gear shaping 2-2, a second gear shaping 2-3, a pin lower section 4-1, a pin middle section 4-2, an pin upper section 4-3, a first gear shaping 5-1, a guide strip 5-2, an upper plate mounting through hole 6-1, a sliding groove 6-2, a flywheel gear ring 7 and a cylinder body pin hole 8.

Detailed Description

Embodiment the utility model discloses the assembly of frock and use

As shown in fig. 1 to 7, the flywheel stopping tool comprises a lower plate 1, an upper plate 6, and a left latch 2, a right latch 3 and a sliding block 5 which are arranged between the lower plate and the upper plate;

the sliding block 5 is arranged in the middle between the lower plate 1 and the upper plate 6 and can perform limited sliding along the front-back direction, and the left side and the right side of the sliding block 5 are provided with first gear shaping 5-1; the left latch 2 and the right latch 3 are respectively arranged at the left end and the right end of the lower plate 1 and the upper plate 6 through pins 4; the left latch 2 and the right latch 3 are both of a V-shaped structure, a second gear shaping 2-2 and a third gear shaping 2-3 are arranged at the top end of the V-shaped structure, the second gear shaping 2-2 at one end is meshed with the flywheel gear ring 7, the third gear shaping 2-3 at the other end is meshed with a first gear shaping 5-1 on the sliding block 5, a latch mounting through hole 2-1 matched with the pin 4 is formed in the bottom end of the V-shaped structure, and the left latch 2 and the right latch 3 can axially rotate around the pin 4 under the driving of the sliding block 5; the lower pin segment 4-1 of the pin 4 extends downwards to form a lower plate 1 to be matched with a cylinder body pin hole 8.

As shown in FIG. 5, the limited sliding of the sliding block 5 is achieved by a guide bar 5-2 provided thereon and a sliding groove 6-2 provided on the lower surface of the upper plate 6 and adapted to the guide bar 5-2.

As shown in FIG. 4, the pin 4 comprises a lower pin section 4-1, a middle pin section 4-2 and an upper pin section 4-3; threads are arranged on the upper pin section 4-3 and matched with upper plate mounting through holes 6-1 at two ends of the upper plate 6; the pin middle section 4-2 is matched with the latch installation through hole 2-1; the lower pin section 4-1 is matched with the lower plate mounting through hole 1-1. The pin 4 is in a step shape, and the diameter of the lower section 4-1 of the pin is smaller than that of the middle section 4-2 of the pin. A groove 4-4 is formed at the joint of the pin middle section 4-2 and the pin upper section 4-3; the upper plate mounting through hole 6-1 is a stepped hole, the size of a large hole is matched with that of the middle pin section 4-2, and the size of a small hole is matched with that of the groove 4-4.

As shown in fig. 1, the lower plate 1 is further provided with a blocking wall 1-2 for limiting the forward and backward sliding of the sliding block 5.

As shown in fig. 7, the left latch 2 and the right latch 3 are fitted on the pin 4 through the latch mounting through-hole 2-1. The sliding block 5 is positioned between the lower plate 1 and the upper plate 6; the left latch 2 and the right latch 3 are both of a V-shaped structure, a second gear shaping 2-2 and a third gear shaping 2-3 are arranged at the top end of the V-shaped structure, the second gear shaping 2-2 at one end is meshed with the flywheel gear ring 7, and the third gear shaping 2-3 at the other end is meshed with the first gear shaping 5-1 on the sliding block 5; firstly, the sliding block 5 is attached to the plate 1, the angle between the left latch 2 and the right latch 3 is minimum, the left latch 2 is stirred to rotate anticlockwise around the pin 4, the sliding block 5 is driven to move upwards, and the right latch 3 is further driven to rotate clockwise around the pin 4; the angle between the left latch 2 and the right latch 3 is increased.

As shown in fig. 9 to 12, when the tool is used, the lower plate is sleeved on the pin, the sliding block is placed in the lower plate, the left latch and the right latch are sleeved on the pin, the gear teeth at one end of the left latch and one end of the right latch are respectively meshed with the gear teeth of the sliding block, and the upper plate is sleeved on the pin. Inserting a pin above a cylinder body pin hole, adjusting the positions of the left clamping tooth and the right clamping tooth to be meshed with the flywheel gear ring, assembling the pin in the cylinder body pin hole, fixing the flywheel, and screwing the tool by using a bolt; the flywheel bolt can be screwed up.

Claims

1. The utility model provides a flywheel locking frock which characterized in that: comprises a lower plate (1), an upper plate (6), and a left latch (2), a right latch (3) and a sliding block (5) which are arranged between the lower plate and the upper plate;

the sliding block (5) is arranged in the middle between the lower plate (1) and the upper plate (6) and can perform limited sliding along the front-back direction, and the left side and the right side of the sliding block (5) are provided with first gear shaping teeth (5-1); the left latch (2) and the right latch (3) are respectively arranged at the left end and the right end of the lower plate (1) and the upper plate (6) through pins (4); the left latch (2) and the right latch (3) are both of a V-shaped structure, the top end of the V-shaped structure is provided with a second gear shaping and a third gear shaping (2-2, 2-3), the second gear shaping (2-2) at one end is meshed with a flywheel gear ring (7), the third gear shaping (2-3) at the other end is meshed with a first gear shaping (5-1) on a sliding block (5), the bottom end of the V-shaped structure is provided with a latch mounting through hole (2-1) matched with a pin (4), and the left latch (2) and the right latch (3) can axially rotate around the pin (4) under the driving of the sliding block (5); the lower pin section (4-1) of the pin (4) extends downwards to form a lower plate (1) to be matched with the pin hole (8) of the cylinder body.

2. The flywheel stop tool according to claim 1, characterized in that: the limiting sliding of the sliding block (5) is realized by a guide strip (5-2) arranged on the sliding block and a sliding groove (6-2) which is arranged on the lower surface of the upper plate (6) and is matched with the guide strip (5-2).

3. The flywheel stop tool according to claim 1 or 2, characterized in that: the pin (4) comprises a pin lower section (4-1), a pin middle section (4-2) and a pin upper section (4-3); threads are arranged on the upper pin section (4-3) and matched with the upper plate mounting through holes (6-1) at the two ends of the upper plate (6); the pin middle section (4-2) is matched with the latch mounting through hole (2-1); the lower pin section (4-1) is matched with the lower plate mounting through hole (1-1).

4. The flywheel stop tool according to claim 3, wherein: the pin (4) is in a step shape, and the diameter of the lower section (4-1) of the pin is smaller than that of the middle section (4-2) of the pin.

5. The flywheel stop tool according to claim 3, wherein: a groove (4-4) is formed at the joint of the pin middle section (4-2) and the pin upper section (4-3); the upper plate mounting through hole (6-1) is a stepped hole, the size of a large hole is matched with that of the middle pin section (4-2), and the size of a small hole is matched with that of the groove (4-4).

6. The flywheel stop tool according to claim 1, characterized in that: the lower plate (1) is also provided with a blocking wall (1-2) which can limit the front and back sliding of the sliding block (5).