CN216842979U

CN216842979U - Transmission gear capable of automatically coating lubricating oil

Info

Publication number: CN216842979U
Application number: CN202220570311.1U
Authority: CN
Inventors: 周新伟; 王纪美
Original assignee: Changzhou Aviation Gear Co ltd
Current assignee: Changzhou Aviation Gear Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-06-28
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to the technical field of gears, especially, relate to a but drive gear of automatic coating lubricating oil, including the gear main part includes the base and sets up the ring gear on the base periphery wall, the center department of base is provided with the installation through-hole, but the inside of base is provided with the oil storage chamber and self-closing's play oil subassembly, it communicates with the oil storage chamber to produce oil subassembly for the oil feed of producing oil subassembly, the ring gear runs through the oil-out that is provided with and produces oil subassembly intercommunication, can lubricate automatically at the gear during operation, avoids lubricating oil to leak when the gear is static, reduces gear wear, long service life.

Description

Transmission gear capable of automatically coating lubricating oil

Technical Field

The utility model relates to the technical field of gears, specifically be can automatic coating lubricating oil's drive gear.

Background

An aircraft engine is an engine device used to generate thrust to advance an aircraft. Advanced aircraft require a powerful heart, and aircraft engines are the source of power for the aircraft. Gears and gear shafts are needed to be used for transmission in the engine.

The existing transmission gear generally has the following problems:

(1) in the process of long-term work of the gear, lubrication and heat dissipation are the keys for ensuring long-term normal use of the gear, but the existing gear has poor lubrication and heat dissipation effects;

(2) the existing gears are all of an integrated structure, when a certain part of the gear is worn seriously, the whole gear needs to be replaced, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but drive gear of automatic coating lubricating oil to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: but drive gear of automatic coating lubricating oil, including the gear main part includes base and the ring gear of setting on the base periphery wall, the center department of base is provided with the installation through-hole, the inside of base is provided with oil storage chamber and the subassembly that produces oil that can self-closing, the subassembly that produces oil communicates with oil storage chamber for the oil feed of the subassembly that produces oil, the ring gear runs through the oil-out that is provided with and produces oil the subassembly intercommunication.

Preferably, the oil storage cavity is of an annular structure concentrically arranged with the gear body, and an oil supplementing port is arranged on the oil storage cavity.

Preferably, the oil outlet assemblies are arranged along the radial direction of the gear body, the number of the oil outlet assemblies is at least two, and the oil outlet assemblies are arranged in an annular array by taking the center of the gear body as the circle center.

Preferably, the subassembly that produces oil includes oil pipe, reset spring and mounting groove, the mounting groove is in the both sides in oil storage chamber along the radial setting of gear body, and mounting groove and oil storage chamber intercommunication, it slides the inside that sets up at the mounting groove to go out the oil pipe, reset spring sets up the one end of keeping away from the installation through-hole at an oil pipe, the one end that goes out oil pipe and be close to reset spring is provided with first oil outlet, it is provided with a plurality of inlet ports to run through on the lateral wall of oil pipe, the inside of mounting groove is received to the inlet port when gear body is static, the inlet port slides to the inside in oil storage chamber under the effect of centrifugal force at gear body during operation.

Preferably, the gear ring of the gear body comprises driving teeth and tooth valleys which are distributed at intervals, and the first oil outlet is communicated with an oil outlet on the tooth valley.

Preferably, one end of the oil outlet pipe, which is close to the mounting through hole, is provided with a second oil outlet hole, and an oil outlet communicated with the second oil outlet hole is arranged on the through hole in a penetrating manner.

Preferably, the inner side wall of the mounting groove is provided with a sealing ring.

Preferably, ring gear and base are split type structure, evenly be provided with the location lug on the inside wall of ring gear, be provided with the constant head tank that matches each other with the location lug on the periphery wall of base, pass through bolt fixed connection between location lug and the constant head tank.

Compared with the prior art, the beneficial effects of the utility model are that: the transmission gear capable of automatically coating lubricating oil

(1) By arranging the oil storage cavity and the oil outlet assembly, the oil outlet assembly comprises the oil outlet pipe, the reset spring and the mounting groove, the gear body rotates during working, the oil outlet pipe slides outwards under the action of centrifugal force, the reset spring is compressed, an oil inlet hole in the oil outlet pipe enters the inside of the oil storage cavity, lubricating oil enters the inside of the oil outlet pipe and is discharged through the oil outlet pipe for lubrication, and when the gear body stops working, the oil outlet pipe resets under the elastic action of the reset spring, so that the lubricating oil is prevented from leaking, and the waste is reduced;

(2) through setting up the gear main part into the split type structure of ring gear and base, when ring gear or base wearing and tearing, it can to change the position of damage, need not change whole gear, reduces use cost.

Drawings

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

FIG. 2 is a schematic view of the radial cross-section structure of the present invention;

FIG. 3 is a schematic view of the axial cross-sectional structure of the oil outlet pipe of the present invention;

fig. 4 is a schematic axial sectional structure diagram of embodiment 3 of the present invention.

In the figure: 1. a gear body; 101. a ring gear; 102. a base; 2. an oil storage chamber; 201. an oil supplementing port; 3. an oil outlet assembly; 301. an oil outlet pipe; 3011. a first oil outlet hole; 3012. an oil inlet hole; 3013. a second oil outlet hole; 302. a return spring; 303. mounting grooves; 304. a seal ring; 4. and installing the 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.

In the description of the present invention, it is to be noted that the terms "first", "second", etc. are used for descriptive purposes only, and not for specific purposes in order or sequence or to define the present invention, but merely to distinguish components or operations described in the same technical terms, and not to indicate or imply relative importance or implicitly indicate the number of technical features indicated, so that the features defined as "first", "second", etc. may explicitly or implicitly include at least one such feature. To the extent that the term "includes" and any variations thereof are used in either the detailed description or the claims, as well as the appended drawings, this is intended to cover non-exclusive inclusions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "disposed" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, the present invention provides an embodiment: a transmission gear capable of being automatically coated with lubricating oil comprises a gear body 1, wherein the gear body 1 comprises a base 102 and a gear ring 101 arranged on the outer peripheral wall of the base 102, the gear ring 101 and the base 102 are integrally formed, a mounting through hole 4 is formed in the center of the base 102, a key groove is formed in the inner side wall of the mounting through hole 4 and used for being mounted and fixed with a rotating shaft, the key groove can be a flat key or a spline, the flat key is connected in the embodiment, an oil storage cavity 2 and an oil outlet assembly 3 capable of being automatically closed are arranged inside the base 102, the oil storage cavity 2 is of an annular structure concentric with the gear body 1, an oil supplementing port 201 is formed in the oil storage cavity 2 and used for supplementing the lubricating oil in time, and a sealing plug is arranged on the oil supplementing port 201;

the oil outlet assembly 3 is communicated with the oil storage cavity 2 and used for oil inlet of the oil outlet assembly 3, the gear ring 101 is provided with an oil outlet communicated with the oil outlet assembly 3 in a penetrating manner, specifically, the oil outlet assembly 3 comprises an oil outlet pipe 301, a reset spring 302 and a mounting groove 303, the mounting groove 303 is arranged on two sides of the oil storage cavity 2 along the radial direction of the gear body 1, the mounting groove 303 is communicated with the oil storage cavity 2, the oil outlet pipe 301 is of a tubular structure with a circular cross section, the oil outlet pipe 301 is arranged inside the mounting groove 303 in a sliding manner, the inner side wall of the mounting groove 303 is provided with a sealing ring 304 to prevent lubricating oil from entering the mounting groove 303, the reset spring 302 is arranged at one end of the oil outlet pipe 301 far away from the mounting through hole 4, one end of the oil outlet pipe 301 close to the reset spring 302 is provided with a first oil outlet 3011, the gear ring 101 comprises driving teeth and tooth valleys which are distributed at intervals, the first oil outlet 3011 is communicated with the oil outlet on the tooth valleys, a plurality of oil inlets 3012 arranged on the side wall of the oil outlet pipe 301 in a penetrating manner, the oil inlet holes 3012 are arranged in a plurality in number and are arranged on the side wall of the oil outlet pipe 301 in an annular array, the oil inlet holes 3012 are retracted into the inside of the mounting groove 303 when the gear main body 1 is static, the oil inlet holes 3012 slide to the inside of the oil storage cavity 2 under the action of centrifugal force when the gear main body 1 works, meanwhile, the oil outlet pipe 301 cannot be separated from the inside of the mounting groove 303, lubricating oil in the oil storage cavity 2 enters the inside of the oil outlet pipe 301 from the oil inlet holes 3012 and is discharged through the first oil outlet holes 3011 to lubricate the gear, when the gear stops rotating, the oil outlet pipe 301 resets under the elastic action of the reset spring 302, and the oil inlet holes 3012 are retracted into the inside of the mounting groove 303 to avoid lubricating oil leakage;

the oil outlet assembly 3 is arranged along the radial direction of the gear body 1, the number of the oil outlet assemblies 3 is at least two, the oil outlet assemblies 3 are arranged in an annular array mode by taking the center of the gear body 1 as the circle center, lubrication is uniform, and the effect is good.

Example 2

This embodiment is on embodiment 1's basis, and the one end that goes out oil pipe 301 is close to installation through-hole 4 is provided with second oil outlet 3013, runs through on the installation through-hole 4 and is provided with the oil-out with second oil outlet 3013 intercommunication, and during the gear is rotatory, gets into the inside lubricating oil of oil pipe 301 and discharges from second oil outlet 3013 again, lubricates the junction of gear and pivot, avoids installation through-hole 4 direct dry grinding center pivot, the noise appears, the condition of functional failure even.

Example 3

Referring to fig. 4, the difference between the present embodiment and embodiment 1 is: ring gear 101 and base 102 are split type structure, evenly are provided with the location lug on the inside wall of ring gear 101, be provided with the constant head tank that matches each other with the location lug on the periphery wall of base 102, through bolt fixed connection between location lug and the constant head tank, set up gear body 1 into the split type structure of ring gear 101 and base 102, when ring gear 101 or base 102 wearing and tearing, change the damage the position can, need not change whole gear, reduce use cost.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. But transmission gear of automatic coating lubricating oil, including gear body (1) includes base (102) and ring gear (101) of setting on base (102) periphery wall, the center department of base (102) is provided with installation through-hole (4), its characterized in that: the oil outlet device is characterized in that an oil storage cavity (2) and an oil outlet assembly (3) capable of being automatically closed are arranged inside the base (102), the oil outlet assembly (3) is communicated with the oil storage cavity (2) and used for oil inlet of the oil outlet assembly (3), and the gear ring (101) penetrates through an oil outlet which is communicated with the oil outlet assembly (3).

2. The automatically greaseable transmission gear according to claim 1, wherein: the oil storage cavity (2) is of an annular structure concentrically arranged with the gear body (1), and an oil supplementing opening (201) is formed in the oil storage cavity (2).

3. The automatically greaseable transmission gear according to claim 1, wherein: the oil outlet assemblies (3) are arranged along the radial direction of the gear body (1), the number of the oil outlet assemblies (3) is at least two, and the oil outlet assemblies (3) are arranged in an annular array mode by taking the center of the gear body (1) as the circle center.

4. The automatically greaseable transmission gear according to claim 1, wherein: the oil outlet assembly (3) comprises an oil outlet pipe (301), a return spring (302) and a mounting groove (303), the mounting grooves (303) are arranged on two sides of the oil storage cavity (2) along the radial direction of the gear body (1), the mounting groove (303) is communicated with the oil storage cavity (2), the oil outlet pipe (301) is arranged inside the mounting groove (303) in a sliding manner, the return spring (302) is arranged at one end of the oil outlet pipe (301) far away from the installation through hole (4), one end of the oil outlet pipe (301) close to the return spring (302) is provided with a first oil outlet hole (3011), a plurality of oil inlet holes (3012) are arranged on the side wall of the oil outlet pipe (301) in a penetrating way, the oil inlet hole (3012) is retracted into the mounting groove (303) when the gear body (1) is static, and the oil inlet hole (3012) slides to the inside of the oil storage cavity (2) under the action of centrifugal force when the gear body (1) works.

5. The automatically greaseable transmission gear according to claim 4, wherein: the gear ring (101) of the gear body (1) comprises driving teeth and tooth valleys which are distributed at intervals, and the first oil outlet hole (3011) is communicated with an oil outlet on the tooth valleys.

6. The automatically greaseable transmission gear according to claim 4, wherein: one end of the oil outlet pipe (301) close to the mounting through hole (4) is provided with a second oil outlet hole (3013), and an oil outlet communicated with the second oil outlet hole (3013) is arranged on the mounting through hole (4) in a penetrating mode.

7. The automatically greaseable transmission gear according to claim 4, wherein: and sealing rings (304) are arranged on the inner side walls of the mounting grooves (303).

8. The automatically greaseable transmission gear according to claim 1, wherein: ring gear (101) and base (102) are split type structure, evenly be provided with the location lug on the inside wall of ring gear (101), be provided with the constant head tank that matches each other with the location lug on the periphery wall of base (102), pass through bolt fixed connection between location lug and the constant head tank.