Novel shaft hole gear

By setting oil outlet holes and annular oil grooves on the gears, filling them with grease and using centrifugal force for lubrication, the problem of gear wear is solved and the transmission life is improved.

CN223814315UActive Publication Date: 2026-01-20ZHEJIANG JIAXUAN MASCH CO LTD
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Patent Information

Application Number
CN202520784856.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-01-20
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Existing gears are prone to wear on their teeth during transmission, resulting in reduced transmission life.

Method used

An oil outlet and an annular oil groove are provided on the gear body, which are filled with grease and connected to a screw through a retaining ring to form a lubrication system. The lubrication is achieved by using centrifugal force, thereby reducing wear.

Benefits of technology

The lubrication system reduces gear wear and improves transmission life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a novel shaft hole gear, and belongs to the technical field of transmission parts. The problem that the transmission life is shortened due to the fact that an existing tooth part is prone to abrasion under the meshing effect is solved. The novel shaft hole gear comprises a gear body with a shaft hole and a plurality of gear tooth parts formed on the gear body, a plurality of oil outlet holes are formed in the outer wall of the gear body and located between every two adjacent gear tooth parts, the end face of the gear body extends inwards in the axial direction to be provided with an annular oil groove, and the annular oil groove is filled with grease. A baffle ring is inserted in a notch of the annular oil groove, an inner groove is formed in the end face of the gear body, a plurality of first screw holes are formed in the groove wall of the inner groove, a plurality of second screw holes are formed in the inner wall of the baffle ring, and the first screw holes and the second screw holes are connected through screws. The transmission device has the advantages of reducing transmission abrasion and prolonging the transmission service life.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to transmission component technical field relates to a gear, especially in a new type axle hole gear. BACKGROUND

[0002] The current gear in transmission process, the tooth part is easy to wear under the meshing effect, lead to the problem of transmission life reduction. SUMMARY

[0003] The utility model discloses a kind of new type axle hole gears to improve transmission life for the above problems existing in prior art.

[0004] The utility model discloses a kind of new type axle hole gears, including the gear main body with axle hole, and the multiple tooth parts of being shaped on gear main body, it is characterized in that, the gear main body outer wall and be located between two adjacent tooth parts are equipped with several oil outlet holes, the gear main body end surface extends and is equipped with annular oil groove inwards axially, and the annular oil groove is filled with grease, each oil outlet hole is communicated with annular oil groove, the annular oil groove is inserted with baffle ring in slot mouth place, the gear main body end surface is equipped with inner groove, the inner groove of the gear main body end surface is equipped with multiple screw holes one in slot wall, the baffle ring inner wall is equipped with multiple screw holes two, and screw hole one and screw hole two are connected by screw.

[0005] In the above-mentioned a kind of new type axle hole gears, the baffle ring wall surface is coated with sealing layer.

[0006] Compared with prior art, the new type axle hole gear has the advantages of reducing transmission wear, improving transmission life. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is the perspective drawing of the new type axle hole gear.

[0008] Figure 2 It is part of the sectional view in the new type axle hole gear.

[0009] In the drawing, 1, axle hole;2, gear main body;3, tooth part;4, oil outlet hole;5, annular oil groove;6, baffle ring;7, inner groove;8, screw hole one;9, screw hole two. DETAILED DESCRIPTION

[0010] The following is the specific embodiment of the utility model and is combined with the drawings, the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0011] As Figure 1 , Figure 2The novel shaft hole gear shown, comprising a gear body 2 with a shaft hole 1, and a plurality of gear tooth parts 3 formed on the gear body 2, a plurality of oil outlet holes 4 are opened on the outer wall of the gear body 2 and between two adjacent gear tooth parts 3, an annular oil groove 5 is opened on the end face of the gear body 2 and extends axially inward, and the annular oil groove 5 is filled with grease, each oil outlet hole 4 is communicated with the annular oil groove 5, a retaining ring 6 is inserted in the slot opening of the annular oil groove 5, an inner groove 7 is opened on the end face of the gear body 2, a plurality of screw holes one 8 are opened on the groove wall of the inner groove 7, a plurality of screw holes two 9 are opened on the inner wall of the retaining ring 6, and the screw holes one 8 and the screw holes two 9 are connected by screws, the grease is heated to form oil liquid, the centrifugal force is used during transmission, the oil liquid is discharged through the plurality of oil outlet holes 4, and then a lubrication system is formed to reduce transmission wear.

[0012] Preferably, the wall surface of the retaining ring 6 is coated with a sealing layer.

[0013] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0014] Although the terms such as shaft hole 1, gear body 2, gear tooth part 3, oil outlet hole 4, annular oil groove 5, retaining ring 6, inner groove 7, screw hole one 8, and screw hole two 9 are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A novel type of a shaft hole gear comprising a gear body (2) with a shaft hole (1), and a plurality of tooth portions (3) formed on the gear body (2), characterized in that, The gear body (2) is provided with a plurality of oil outlet holes (4) on the outer wall and between two adjacent gear teeth (3), the gear body (2) is provided with an annular oil groove (5) extending axially inward on the end face, and the annular oil groove (5) is filled with oil, each of the oil outlet holes (4) is communicated with the annular oil groove (5), a baffle ring (6) is inserted into the annular oil groove (5), the gear body (2) is provided with an inner groove (7) on the end face, a plurality of screw holes (8) are formed on the groove wall of the inner groove (7), a plurality of screw holes (9) are formed on the inner wall of the baffle ring (6), and the screw holes (8) and the screw holes (9) are connected by screws.

2. A novel type of a shaft hole gear according to claim 1, characterized in that, The wall surface of the baffle ring (6) is coated with a sealing layer.