Gear

Abstract

The utility model provides a gear, and belongs to the technical field of gears. The self-lubricating gear solves the problems that an existing gear in the market does not have a self-lubricating function, when the gear works, meshing tooth surfaces can generate large friction, the gear is abraded fast, and the service life of the gear is shortened. The gear comprises a gear body, an oil box fixedly adheres to the gear body, a gear tooth oil outlet is formed in the inner wall of the gear body, a tooth groove oil outlet communicated with the gear tooth oil outlet is formed in the gear body, an oil outlet hole in butt joint with the gear tooth oil outlet is formed in the oil box, and the oil outlet hole is tightly attached to the gear tooth oil outlet. The gear has the advantages that the meshing surface is lubricated, the friction of gear meshing is reduced, the abrasion degree caused by the friction of the gear is reduced, the service life of the gear is prolonged, and the gear can adapt to spindles with different sizes to be used by arranging the detachable connecting ring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear technical field, and particularly relates to a gear. BACKGROUND

[0002] Gear is a common mechanical transmission device, and has teeth on the wheel rim, can continuously inner core transmission movement and power, and is provided with a round hole in the middle, and a limiting groove is arranged in the round hole, the gear is sleeved on the external main shaft through the round hole, and the limiting member on the main shaft is clamped in the limiting groove in the round hole, so that the external main shaft can drive the gear to rotate and work.

[0003] According to the search, a combination type gear with the announcement number CN222208858U is disclosed in the Chinese patent network, the combination type gear utilizes the setting of the circular groove and the connecting ring, when the connecting ring is inserted into the circular groove, the gear can be sleeved on the main shaft matched with the inner wall of the connecting ring for use, the connecting ring is taken out from the circular groove, the gear can be sleeved on the main shaft matched with the inner wall of the circular groove for use, so that the gear can be applied to main shafts with different sizes, and the applicability of the gear is improved.

[0004] However, the above-mentioned patent still has the following problems: the gear in the above-mentioned patent does not have a self-lubricating function, the meshing tooth surface will generate large friction when the gear works, the gear will be worn out quickly, and the service life of the gear is reduced, therefore, it is of great significance to design a gear. SUMMARY

[0005] The utility model aims at the above-mentioned problems existing in the prior art, and provides a gear.

[0006] The utility model discloses a kind of gears, it is characterized in that, including gear main body, the oil box is fixedly bonded on the gear main body, the gear main body inner wall is equipped with gear tooth oil outlet, the gear main body is equipped with gear slot oil outlet with gear tooth oil outlet intercommunication, the oil box is equipped with oil hole with gear tooth oil outlet butt joint, and oil hole and gear tooth oil outlet are closely combined.

[0007] In the above-mentioned gear, the oil box is provided with sealing plug for oil hole sealing, and sealing ring is fixedly arranged between the oil box and the gear main body.

[0008] In the above-mentioned gear, the gear main body is provided with connecting ring on inner side, the connecting ring is equipped with fixed groove, the fixed groove is slidably provided with pressure block in the fixed groove, the pressure block is fixedly connected with positioning block on one side, and the gear main body is equipped with positioning groove with positioning block cooperation positioning on inner side.

[0009] In one of the aforementioned gears, a fastening block that fits against a pressure-bearing block is provided in the fixing groove, a fixing bolt is provided on the fastening block, and a bolt groove for cooperating with the fixing bolt is provided in the fixing groove.

[0010] Compared with existing technologies, this gear reduces friction during gear meshing by lubricating the meshing surfaces, thereby reducing wear caused by friction and extending the service life of the gear. By incorporating a detachable connecting ring, the gear can be adapted to use with spindles of different sizes. Attached Figure Description

[0011] Fig. 1 This is a three-dimensional schematic diagram of the gear.

[0012] Fig. 2 This is a cross-sectional structural diagram of the gear.

[0013] In the diagram, 1. Gear body; 2. Oil box; 3. Gear tooth oil outlet; 4. Gear groove oil outlet; 5. Oil outlet hole; 6. Sealing bolt; 7. Sealing ring; 8. Connecting ring; 9. Fixing groove; 10. Pressure bearing block; 11. Positioning block; 12. Positioning groove; 13. Fastening block; 14. Fixing bolt; 15. Bolt groove. Detailed Implementation

[0014] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0015] like Figs. 1-2 As shown, this gear includes a gear body 1, an oil box 2 fixedly bonded to the gear body 1, a tooth oil outlet 3 on the inner wall of the gear body 1, and a tooth groove oil outlet 4 on the gear body 1 that communicates with the tooth oil outlet 3. The oil box 2 has an oil outlet hole 5 that mates with the tooth oil outlet 3, and the oil outlet hole 5 is in close contact with the tooth oil outlet 3. Lubricating oil is added to the oil box 2. When the gear is in use, the lubricating oil flows through the tooth oil outlet 3 and the tooth groove oil outlet 4 to the meshing surface of the gear body 1, thereby lubricating the meshing surface, reducing the friction of gear meshing, reducing the wear caused by gear friction, and extending the service life of the gear.

[0016] Preferably, the oil box 2 is provided with a sealing plug 6 for sealing the oil filling hole, and a sealing ring 7 is fixedly provided between the oil box 2 and the gear body 1. The sealing plug 6 prevents leakage at the oil filling hole of the oil box 2, and the sealing ring 7 prevents the lubricating oil at the oil outlet 5 from flowing to the side of the gear.

[0017] Preferably, the inside of the gear body 1 is provided with a connecting ring 8, a fixing groove 9 is formed on the connecting ring 8, a pressure block 10 is slidably arranged in the fixing groove 9, a positioning block 11 is fixedly connected to one side of the pressure block 10, and a positioning groove 12 is formed in the inside of the gear body 1 and cooperates with the positioning block 11 to position. By installing and dismounting the connecting ring 8, the gear body 1 can be adapted to main shafts of different sizes. By fixing the positioning block 11 to the inside of the positioning groove 12, the installation of the connecting ring 8 and the gear body 1 is realized.

[0018] Preferably, a fastening block 13 is arranged in the fixing groove 9 and abuts against the pressure block 10, the fastening block 13 is provided with a fixing bolt 14, and a bolt groove 15 is formed in the fixing groove 9 and cooperates with the fixing bolt 14. The fixing block is fixed by the fixing bolt 14, the fixing block is pressed against the pressure block 10 to fix, and the positioning block 11 is stably fixed to the inside of the positioning groove 12.

[0019] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs 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.

[0020] Although the terms such as gear body 1, oil box 2, gear tooth oil outlet 3, tooth slot oil outlet 4, oil outlet hole 5, sealing bolt 6, sealing ring 7, connecting ring 8, fixing groove 9, pressure block 10, positioning block 11, positioning groove 12, fastening block 13, fixing bolt 14, bolt groove 15, etc. 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 additional limitation is contrary to the spirit of the present application.

Claims

1. A gear wheel, characterized in that The gear body (1) is provided with an oil box (2) fixedly bonded thereon, the inner wall of the gear body (1) is provided with a gear oil outlet (3), the gear body (1) is provided with a gear slot oil outlet (4) communicated with the gear oil outlet (3), the oil box (2) is provided with an oil outlet hole (5) butted with the gear oil outlet (3), and the oil outlet hole (5) is tightly combined with the gear oil outlet (3).

2. A gear as claimed in claim 1, wherein The oil box (2) is provided with a sealing plug (6) for sealing the oil injection hole, and the oil box (2) and the gear body (1) are fixedly provided with a sealing ring (7).

3. A gear as defined in claim 1, wherein The inner side of the gear body (1) is provided with a connecting ring (8), the connecting ring (8) is provided with a fixing groove (9), the fixing groove (9) is slidably provided with a pressure bearing block (10), one side of the pressure bearing block (10) is fixedly connected with a positioning block (11), and the inner side of the gear body (1) is provided with a positioning groove (12) matched with the positioning block (11).

4. A gear as claimed in claim 3, wherein The fixing groove (9) is provided with a fastening block (13) combined with the pressure bearing block (10), the fastening block (13) is provided with a fixing bolt (14), and the fixing groove (9) is provided with a bolt groove (15) matched with the fixing bolt (14).

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