CN213088684U

CN213088684U - Gear with noise reduction function

Info

Publication number: CN213088684U
Application number: CN202021670754.5U
Authority: CN
Inventors: 余建光; 周玲; 吴恩娥; 张良; 杨宇权
Original assignee: Shaoguan Wanli Gear Co ltd
Current assignee: Shaoguan Wanli Gear Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-30
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to the technical field of gears, and a gear with function of making an uproar is fallen is disclosed, including interior axle, interior axle center is provided with the mounting hole, interior axle surface is provided with the recess, a plurality of evenly distributed's first through-hole has been seted up to the recess lateral wall, the fixed cover in the interior outside of axle has been met the outer gear, be provided with the backlash between the adjacent tooth top in outer gear edge, it is a plurality of the circular slot hole has all been seted up on the backlash surface. This gear with function of making an uproar falls, through being equipped with the recess, first through-hole, the cavity, connect the chamber, trompil and second through-hole, when the gear rotates, inside the emollient in the recess got into the cavity through first through-hole, second through-hole, trompil and connection chamber under the effect of centrifugal force, when meshing between the gear, the circular slot hole can be opened in the twinkling of an eye to the spheroid of tooth top extrusion backlash department, and then make the emollient flow in the backlash, compare prior art, can form the interval nature and pour into emollient into, avoided the emollient consumption too fast.

Description

Gear with noise reduction function

Technical Field

The utility model relates to a gear technical field specifically is a gear with function of making an uproar is fallen.

Background

As the most commonly used mechanical transmission part at the gear, it is very extensive to use, can change direction of rotation and rotational speed through intermeshing, applied to a plurality of fields such as production and processing and daily life, and along with the improvement of scientific and technological development and people's standard of living, it is higher and higher to the silence requirement of apparatus, and in current apparatus transmission, the noise of gear is great, generally when using the gear, divide into thin oil lubrication and grease lubrication two kinds, and can not adjust the structure according to the lubricated mode in the current gear structure, cause the noise great, adaptability is poor, simultaneously when gear intermeshing, the lubricating oil in the clearance is extruded, current structure is unfavorable for the water conservancy diversion, cause the vibration great, the noise is also great.

The gear that makes an uproar falls in present part adopts the recess of opening the tooth clearance of hole intercommunication gear and gear side to this lubricating oil in with the recess injects the tooth clearance under the centrifugal force effect, with this improvement lubrication level realization and falls the noise, but because partial gear is high-speed rotatory, centrifugal force is great, and emollient consumes after the water conservancy diversion and constantly need be replenished, has brought inconveniently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a gear with function of making an uproar falls possesses the noise reduction effect good, and the emollient loss advantage such as little has solved the current part and has fallen the recess that the gear of making an uproar adopted the tooth gap of opening hole intercommunication gear and gear side to this with lubricating oil in the recess during the tooth gap is injected under the centrifugal force effect, with this improvement lubrication level realizes making an uproar falls, but because partial gear is high-speed rotatory, centrifugal force is great, emollient consumes constantly to need to supply at the excessive speed after the water conservancy diversion, has brought inconvenient problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a gear with a noise reduction function comprises an inner shaft, wherein a mounting hole is formed in the center of the inner shaft, a groove is formed in the surface of the inner shaft, a plurality of first through holes are uniformly distributed in the side wall of the groove, an outer gear is fixedly sleeved on the outer side of the inner shaft, tooth gaps are formed between adjacent tooth crests of the edge of the outer gear, circular groove holes are formed in the surfaces of the tooth gaps, a cavity is formed in the bottom of each circular groove hole, a connecting cavity is formed in the bottom of the cavity, a second through hole is formed in the bottom of the connecting cavity, a baffle is fixedly connected to the joint of the connecting cavity and the second through hole, holes are formed in the surface of the baffle, a spring is fixedly connected to the top of the baffle, a base plate is fixedly connected to the top of the spring, a vertical rod is fixedly connected to the top of the base plate, a U, the ball body is tightly attached to the edge of the circular slot hole.

Preferably, the second through-hole corresponds to and communicates with the first through-hole.

Preferably, the cavity, the connecting cavity and the second through hole are communicated with each other, the spring and the vertical rod are located in the connecting cavity, and the U-shaped frame and the ball body are located inside the cavity.

Preferably, the outer gear is made of a plastic material, and the inner shaft is made of a forged steel material.

Preferably, the top of the ball body penetrates through the circular slot hole and extends to the outer side of the circular slot hole.

Preferably, the transverse spacing of the cavities is slightly larger than the diameter of the spheres.

Compared with the prior art, the utility model provides a gear with function of making an uproar is fallen possesses following beneficial effect:

1. this gear with function of making an uproar falls, through being equipped with the recess, first through-hole, the cavity, connect the chamber, trompil and second through-hole, when the gear rotates, inside the emollient in the recess got into the cavity through first through-hole, second through-hole, trompil and connection chamber under the effect of centrifugal force, when meshing between the gear, the circular slot hole can be opened in the twinkling of an eye to the spheroid of tooth top extrusion backlash department, and then make the emollient flow in the backlash, compare prior art, can form the interval nature and pour into emollient into, avoided the emollient consumption too fast.

2. This gear with function of making an uproar falls through spheroid and U-shaped frame swing joint, can make the spheroid rotate slightly until breaking away from the in-process of spheroid in the twinkling of an eye when the top of the gear of another gear contact spheroid, compares direct and the contact of backlash face, and is smaller and rolling friction with the spheroid contact surface, has reduced the wearing and tearing of addendum.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the U-shaped frame of the present invention;

fig. 4 is a schematic structural view of the inner shaft of the present invention.

Wherein: 1. an inner shaft; 2. mounting holes; 3. a groove; 4. a first through hole; 5. an outer gear; 6. a circular slot; 7. a cavity; 8. a connecting cavity; 9. a second through hole; 10. a baffle plate; 11. opening a hole; 12. a spring; 13. a substrate; 14. a vertical rod; 15. a U-shaped frame; 16. a sphere.

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, a gear with noise reduction function includes an inner shaft 1, a mounting hole 2 is disposed in the center of the inner shaft 1, a groove 3 is disposed on the surface of the inner shaft 1, a plurality of first through holes 4 are uniformly distributed on the side wall of the groove 3, the first through holes 4 are disposed on the side wall of the outer ring of the groove 3 and extend to the outer surface of the inner shaft 1, an outer gear 5 is fixedly sleeved on the outer side of the inner shaft 1, the outer gear 5 is made of plastic, the noise of the gear is smaller than that of a completely forged steel material by disposing the outer gear 5 made of plastic, the inner shaft 1 is made of forged steel, tooth gaps are disposed between adjacent tooth crests on the edge of the outer gear 5, circular slot holes 6 are disposed on the surfaces of the tooth gaps, a cavity 7 is disposed at the bottom of the circular slot holes 6, a connecting cavity 8 is disposed at the bottom of the, the second through hole 9 corresponds to and is communicated with the first through hole 4, so that the lubricant in the groove 3 can enter the second through hole 9 through the first through hole 4, the connecting cavity 8 is fixedly connected with the baffle plate 10 at the joint of the second through hole 9, in practical application, the edge of the baffle plate 10 is fixedly connected with the side wall of the connecting cavity 8, the surface of the baffle plate 10 is provided with an opening 11, so that the lubricant in the second through hole 9 can enter the connecting cavity 8 through the opening 11, the top of the baffle plate 10 is fixedly connected with a spring 12, the top of the spring 12 is fixedly connected with a base plate 13, the top of the base plate 13 is fixedly connected with a vertical rod 14, the top of the vertical rod 14 is fixedly connected with a U-shaped frame 15, a ball 16 is arranged in the U-shaped frame 15, the ball 16 is movably connected with the U-shaped frame 15 through a rotating shaft, the ball 16 is tightly attached to the edge of the circular groove hole 6, the ball 16 can be pressed downwards, the circular groove hole 6 is opened, and finally the lubricant staying in the cavity 7 can enter the tooth clearance through the circular groove hole 6 to supplement the lubricant, compared with the mode that the lubricant is directly conveyed into the tooth clearance through centrifugal force in the prior art, the lubricant is more balanced, the waste of the lubricant is avoided, in practical application, when the tooth top is separated from the tooth clearance, the ball 16 is restored under the elastic force of the spring 12, the circular groove hole 6 is blocked again, the cavity 7, the connecting cavity 8 and the second through hole 9 are communicated with each other, the spring 12 and the vertical rod 14 are positioned in the connecting cavity 8, the U-shaped frame 15 and the ball 16 are positioned in the cavity 7, and the transverse distance of the cavity 7 is slightly larger than the diameter of the ball 16.

When in use, firstly, lubricant is injected into the groove 3 of the inner shaft 1, when the gear runs, the lubricant enters the first through hole 4 under the action of centrifugal force, and passes through the second through hole 9, the opening 11 and the connecting cavity 8 in sequence and finally enters the cavity 7, since the ball 16 blocks the circular slot 6, at this time, the lubricant stays in the cavity 7, when the tooth top of the other gear is engaged with the tooth space, the tooth top contacts the top of the ball 16, the ball 16 is pressed down, the ball 16 is separated from the edge of the circular slot 6, then the lubricant staying in the cavity 7 enters the tooth clearance through the circular groove hole 6, thereby realizing the lubricating effect, when the tooth top of another gear is separated from the tooth gap, the ball 16 blocks the circular slot 6 again under the action of the spring 12, and the lubricant is stagnated in the cavity 7 again, so that the final effect is that a certain amount of lubricant is supplemented every revolution of the tooth gap.

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. A gear with noise reduction function, comprising an inner shaft (1), characterized in that: the inner shaft is characterized in that a mounting hole (2) is formed in the center of the inner shaft (1), a groove (3) is formed in the surface of the inner shaft (1), a plurality of first through holes (4) which are uniformly distributed are formed in the side wall of the groove (3), an outer gear (5) is fixedly sleeved on the outer side of the inner shaft (1), tooth gaps are formed between adjacent tooth tops of the edges of the outer gear (5), circular groove holes (6) are formed in the surfaces of the tooth gaps, a cavity (7) is formed in the bottom of each circular groove hole (6), a connecting cavity (8) is formed in the bottom of each cavity (7), a second through hole (9) is formed in the bottom of each connecting cavity (8), a baffle (10) is fixedly connected to the joint of each connecting cavity (8) and the second through hole (9), an opening (11) is formed in the surface of each baffle (10), a spring (12) is fixedly connected, the base plate (13) top fixedly connected with montant (14), montant (14) top fixedly connected with U-shaped frame (15), be equipped with spheroid (16) in U-shaped frame (15), spheroid (16) are through pivot and U-shaped frame (15) swing joint, circular slot hole (6) edge is hugged closely in spheroid (16).

2. A gear having a noise reduction function according to claim 1, wherein: the second through hole (9) corresponds to the first through hole (4) in position and is communicated with the first through hole.

3. A gear having a noise reduction function according to claim 1, wherein: the cavity (7), the connecting cavity (8) and the second through hole (9) are communicated with each other, the spring (12) and the vertical rod (14) are located in the connecting cavity (8), and the U-shaped frame (15) and the ball body (16) are located inside the cavity (7).

4. A gear having a noise reduction function according to claim 1, wherein: the external gear (5) is made of a plastic material, and the internal shaft (1) is made of a forged steel material.

5. A gear having a noise reduction function according to claim 1, wherein: the top of the sphere (16) penetrates through the circular groove hole (6) and extends to the outer side of the circular groove hole (6).

6. A gear having a noise reduction function according to claim 1, wherein: the transverse spacing of the cavities (7) is slightly larger than the diameter of the ball body (16).