Self-lubricating gear shaft

Abstract

The utility model discloses a self-lubricating gear shaft which comprises a gear shaft body, teeth are arranged on the side wall of the gear shaft body, a protrusion is arranged on the gear shaft body and located above the teeth, an oil storage groove is formed in the gear shaft body, an oil outlet ring hole is formed in the bottom end of the protrusion, and the oil outlet ring hole is communicated with the oil storage groove. The oil outlet ring hole is communicated with the oil storage groove, and sponge is placed at the bottom end of the inner wall of the oil storage groove. By means of the protrusions, the oil outlet ring holes, the sponge and the oil storage grooves, during use, lubricating oil in the oil storage grooves automatically flows into tooth seams of all the teeth from the oil outlet ring holes for lubrication, time and labor are saved, and lubrication is uniform; by arranging the observation groove, the screw hole, the indicator and the oil passing bolt, the storage condition in the oil storage groove is known by observing the oil passing groove, oil injection and blocking are facilitated through the oil passing bolt, blocking caused by dust accumulation is avoided, the structure is simple, and oil storage is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of gear parts, in particular to a self-lubricating gear shaft. Background Art

[0002] A gear shaft refers to a mechanical part that supports a rotating part and rotates with it to transmit motion, torque or bending moment. Generally, it is a metal round rod, and each section can have different diameters. The parts that rotate in the machine are installed on the shaft. Generally, manual lubricant needs to be added to the general gear shaft, which is rather troublesome, and the lubricant cannot be automatically added to the gear shaft during the working process of the gear shaft, making the gear shaft prone to damage during the working process. Content of the Utility Model

[0003] In order to overcome the deficiencies of the prior art, one of the purposes of the utility model is to provide a self-lubricating gear shaft. By setting the protrusions, oil outlet ring holes, sponge, and oil storage grooves, during use, the lubricating oil in the oil storage groove automatically flows into the tooth gaps of each tooth through the oil ring holes for lubrication, which is not only time-saving and labor-saving, but also has uniform lubrication; by setting the observation groove, screw hole, indicating mark, and oil passing bolt, the reserve situation in the oil storage groove can be understood by observing the oil passing groove. The oil passing bolt is convenient for oil injection and plugging, avoiding blockage caused by dust accumulation. The structure is simple and convenient for oil storage.

[0004] One of the purposes of the utility model is realized by adopting the following technical solution: A self-lubricating gear shaft, comprising: a gear shaft main body, the side wall of the gear shaft main body is provided with teeth, the gear shaft main body is provided with protrusions, the protrusions are located above the teeth, an oil storage groove is opened inside the gear shaft main body, an oil outlet ring hole is opened at the bottom end of the protrusion, the oil outlet ring hole is communicated with the oil storage groove, a sponge is placed at the bottom end of the inner wall of the oil storage groove, a screw hole is penetrated and opened on the inner side wall above the oil storage groove, a through oil bolt is threadedly connected to the inner side wall of the screw hole, an oil passing groove is opened inside the through oil bolt, an oil outlet is opened on the side wall of the screw of the through oil bolt, an oil injection port is opened on the side wall of the bolt handle of the through oil bolt, the opening directions of the oil outlet and the oil injection port are opposite, and both the oil injection port and the oil outlet are communicated with the oil passing groove. By setting the protrusions, oil outlet ring holes, sponge, and oil storage grooves, during use, the lubricating oil in the oil storage groove automatically flows into the tooth gaps of each tooth through the oil ring holes for lubrication, which is not only time-saving and labor-saving, but also has uniform lubrication; by setting the observation groove, screw hole, indicating mark, and oil passing bolt, the reserve situation in the oil storage groove can be understood by observing the oil passing groove. The oil passing bolt is convenient for oil injection and plugging, avoiding blockage caused by dust accumulation. The structure is simple and convenient for oil storage.

[0005] According to the self-lubricating gear shaft, an observation groove is penetrated and opened on the inner side wall of the oil storage groove, and a PET transparent plate is fixedly connected to the inner side wall of the observation groove.

[0006] According to the self-lubricating gear shaft described above, the bottom surface of the protrusion is in contact with the upper surface of the tooth.

[0007] For the self-lubricating gear shaft described above, a direction indicator is provided on the side wall of the oil-passing bolt, and the head of the direction indicator is in the same direction as the orientation of the oil injection port.

[0008] According to the self-lubricating gear shaft described above, a calibration notch is provided at the thread of the screw hole.

[0009] According to the self-lubricating gear shaft described above, the top end of the screw of the oil-passing bolt is in contact with the top end of the inner wall of the oil storage tank.

[0010] Additional aspects and advantages of the present utility model will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0011] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0012] Figure 1 is a perspective view of a self-lubricating gear shaft of the present utility model;

[0013] Figure 2 is a sectional view of a self-lubricating gear shaft of the present utility model;

[0014] Figure 3 is a structural diagram of the oil-passing bolt of a self-lubricating gear shaft of the present utility model;

[0015] Figure 4 is an enlarged view at A of a self-lubricating gear shaft of the present utility model.

[0016] Legend Explanation:

[0017] 1. Gear shaft main body; 2. Tooth; 3. Protrusion; 4. Direction indicator; 5. Oil-passing bolt; 6. PET transparent plate; 7. Sponge; 101. Observation groove; 102. Oil storage tank; 103. Screw hole; 301. Oil outlet ring hole; 501. Oil injection port; 502. Oil outlet; 503. Oil-passing groove. Detailed Embodiment

[0018] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to visually and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0019] Refer to Figures 1-4, an embodiment of the utility model is a self-lubricating gear shaft, which includes: a gear shaft main body 1, a tooth 2 is provided on the side wall of the gear shaft main body 1, a protrusion 3 is provided on the gear shaft main body 1, the protrusion 3 is located above the tooth 2, and the bottom surface of the protrusion 3 is attached to the upper surface of the tooth 2. An oil storage groove 102 is opened inside the gear shaft main body 1, an observation groove 101 is opened through the inner side wall of the oil storage groove 102, a PET transparent plate 6 is fixedly connected to the inner side wall of the observation groove 101, an oil outlet ring hole 301 is opened at the bottom end of the protrusion 3, and the oil outlet ring hole 301 communicates with the oil storage groove 102. A sponge 7 is placed at the bottom end of the inner wall of the oil storage groove 102. A screw hole 103 is opened through the upper inner side wall of the oil storage groove 102. A calibration notch is provided at the thread of the screw hole 103. A through oil bolt 5 is threadedly connected to the inner side wall of the screw hole 103. The top end of the screw of the through oil bolt 5 is attached to the top end of the inner wall of the oil storage groove 102. An oil through groove 503 is opened inside the screw of the through oil bolt 5. An oil outlet 502 is opened on the side wall of the screw of the through oil bolt 5. An oil injection port 501 is opened on the side wall of the bolt handle of the through oil bolt 5. A pointing mark 4 is coated on the side wall of the through oil bolt 5, and the head of the pointing mark 4 is in the same direction as the orientation of the oil injection port 501. The opening directions of the oil outlet 502 and the oil injection port 501 are opposite. Both the oil injection port 501 and the oil outlet 502 communicate with the oil through groove 503. Through the provided protrusion 3, oil outlet ring hole 301, sponge 7, and oil storage groove 102, when the gear shaft is in use, the lubricating oil in the oil storage groove 102 soaks the sponge 7. When the gear shaft rotates, the lubricating oil is thrown out from the sponge 7 and flows into the tooth gaps of each tooth 2 through the oil ring hole 301 for automatic lubrication, which is not only time-saving and labor-saving but also has uniform lubrication. Through the provided observation groove 101, screw hole 103, indicating mark 4, and through oil bolt 5, the reserve situation in the oil storage groove 102 is understood by observing the oil through groove 101. When it is necessary to reserve lubricating oil again, rotate the through oil bolt 5 to make the pointing mark 4 face upward. At this time, the external oil injection port 501 faces upward and the internal oil outlet 502 faces downward. Then, inject oil into the oil storage groove 102 through the oil through groove 503. After the oil injection is completed, the through oil bolt 5 rotates and resets to block the oil outlet 502 at the top end of the oil storage groove 102, and the orientation of the oil injection port 501 prevents dust accumulation from causing blockage. The structure is simple and convenient for oil storage.

[0020] Working principle: When in use, when the gear shaft is in use, the lubricating oil in the oil storage groove 102 soaks the sponge 7. When the gear shaft rotates, the lubricating oil is thrown out from the sponge 7 and flows into the tooth gaps of each tooth 2 through the oil ring hole 301 for automatic lubrication. Observe the oil through groove 101 to understand the reserve situation in the oil storage groove 102. When it is necessary to reserve lubricating oil again, rotate the through oil bolt 5 to make the pointing mark 4 face upward. At this time, the external oil injection port 501 faces upward and the internal oil outlet 502 faces downward. Then, inject oil into the oil storage groove 102 through the oil through groove 503. After the oil injection is completed, the through oil bolt 5 rotates and resets to block the oil outlet 502 at the top end of the oil storage groove 102, and the orientation of the oil injection port 501 prevents dust accumulation from causing blockage.

[0021] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the art to which it pertains.

Claims

1. A self-lubricating gear shaft, comprising: Gear shaft body (1), on the side wall of the gear shaft body (1) there are teeth (2), characterized in that, on the gear shaft body (1) there is a protrusion (3), the protrusion (3) is located above the teeth (2), inside the gear shaft body (1) there is an oil storage groove (102), at the bottom end of the protrusion (3) there is an oil outlet ring hole (301), the oil outlet ring hole (301) communicates with the oil storage groove (102), at the bottom end of the inner wall of the oil storage groove (102) there is a sponge (7) placed, on the upper inner side wall of the oil storage groove (102) there is a threaded hole (103) penetrating through, on the inner side wall of the threaded hole (103) there is an oil passing bolt (5) threadedly connected, inside the oil passing bolt (5) there is an oil passing groove (503), on the side wall of the screw rod of the oil passing bolt (5) there is an oil outlet (502), on the side wall of the bolt handle of the oil passing bolt (5) there is an oil injection port (501), the opening directions of the oil outlet (502) and the oil injection port (501) are opposite, and both the oil injection port (501) and the oil outlet (502) communicate with the oil passing groove (503).

2. The self-lubricating gear shaft according to claim 1, characterized in that, On the inner side wall of the oil storage groove (102) there is an observation groove (101) penetrating through, and on the inner side wall of the observation groove (101) there is a PET transparent plate (6) fixedly connected.

3. A self-lubricating gear shaft according to claim 1, wherein, The bottom surface of the protrusion (3) is in contact with the upper surface of the teeth (2).

4. A self-lubricating gear shaft according to claim 1, characterized in that, On the side wall of the oil passing bolt (5) there is a direction indicator (4) coated, and the tip of the direction indicator (4) is in the same orientation as the orientation of the oil injection port (501).

5. A self-lubricating gear shaft according to claim 1, characterized in that, At the thread of the threaded hole (103) there is a calibration notch.

6. The self-lubricating gear shaft according to claim 1, characterized in that, The top end of the screw rod of the oil passing bolt (5) is in contact with the top end of the inner wall of the oil storage groove (102).

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