Self-lubricating gear shaft

Abstract

The utility model provides a self-lubricating gear shaft, belongs to the technical field of gear shafts, and solves the problem that oil is difficult to store when a gear shaft is provided with a lubricating structure. A gear is installed on the shaft body, a fixing ring is arranged on one side of the gear on the shaft body, a limiting ring is installed on the other side of the gear, an oil drainage pipe is arranged on the limiting ring, an oil outlet hole is formed in the oil drainage pipe, an oil storage rod is inserted into the fixing ring, the oil storage rod is inserted into the oil drainage pipe from the side of the fixing ring and penetrates through the oil drainage pipe, and the oil storage rod is in threaded connection with the fixing ring. An oil storage ring channel is formed in the gear, an oil outlet channel is formed in the oil storage ring channel, a sliding plug is installed in the oil outlet channel and comprises a movable disc and a blocking cone, and a reset spring is installed between the movable disc and the oil outlet channel. The oil storage rod has the advantages that the oil storage rod is independently arranged and is in threaded connection with the fixing ring, thereby being convenient to disassemble and replace; and a sliding plug is installed at the oil outlet channel, the sliding plug is pushed through meshing of the gears, so that oil enters the oil outlet channel, and the gears are lubricated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear shaft field relates to a gear shaft, especially to a self -lubricating gear shaft. BACKGROUND

[0002] Gear shaft passes through including shaft and integrally formed on the shaft on the gear, because its integral structure characteristic, after the gear on the shaft is damaged, the gear shaft can only be replaced as a whole, makes the maintenance cost rise, in order to solve this problem, the existing factory has launched the gear shaft of replaceable gear.

[0003] Such as the application number for 202322411082.6 a gear shaft, including shaft, the shaft is sleeved with gear part, the shaft is set up with the positioning ring, the gear part another side is sleeved with the positioning ring, the positioning ring is fixed and is inserted with the oil storage stick, the positioning ring is installed with the fixed disc that the positioning ring, gear part and positioning ring are fixedly connected, the fixed disc is connected with fixed bolt.

[0004] The above-mentioned patent in the oil storage stick stores grease, so that when the gear shaft works, the grease melts due to high temperature and outputs oil to the gear, but the oil is liquid, and the oil will be lost even when the gear is stopped in the absence of plugging, resulting in frequent replacement of the oil storage stick, and the fixed disc and the positioning ring need to be disassembled for replacement of the oil storage stick, and the replacement steps are complicated. UTILITY MODEL CONTENTS

[0005] The utility model discloses a gear shaft convenient for replacing grease to solve the above-mentioned problems in the prior art.

[0006] The utility model discloses a self -lubricating gear shaft can pass through following technical scheme is realized: a self -lubricating gear shaft, including shaft, the shaft is installed with gear, the shaft is set up with the fixed ring on gear one side, gear another side installs the limit ring, the limit ring is provided with the oil drain pipe, the oil drain pipe is set up with the oil outlet hole, the fixed ring inserts the oil storage stick, the oil storage stick penetrates the oil drain pipe, the oil storage ring channel is seted up in the gear, the oil storage ring channel sets up with the oil outlet passage, the oil outlet passage is installed with the sliding plug.

[0007] In the above-mentioned self -lubricating gear shaft, the oil drain pipe inserts the fixed ring, the oil drain pipe is provided with the opening on the fixed ring side, and the oil drain pipe is closed at the limit ring.

[0008] In the above-mentioned self -lubricating gear shaft, the oil storage stick is fixed with the holding part, the holding part is connected with the fixed ring screw, and the holding part is installed with the sealing rubber ring.

[0009] In the above-mentioned self -lubricating gear shaft, the holding part top end is provided with the horizontal plate, and the horizontal plate is provided with the friction line.

[0010] The limiting ring is provided with a bolt, which fixes the limiting ring, the gear and the fixing ring.

[0011] The sliding plug is provided with a blocking cone and a moving disc, the moving disc is provided with an oil passing hole, and an oil pushing rod extends from the moving disc and protrudes into the oil outlet channel.

[0012] The moving disc and the oil outlet channel are provided with a reset spring.

[0013] The top end of the holding part is provided with a hexagonal protrusion.

[0014] Compared with the prior art, the self-lubricating gear shaft has the advantages that the oil storage rod is independently arranged and is connected with the fixing ring in a screwing mode, the oil storage rod can be directly disassembled and replaced by rotating the holding part, the oil discharge pipe guides the oil storage rod to enter and protect the oil storage rod, and the movable blocking structure is arranged in the oil outlet channel of the gear, so that the oil can be temporarily stored in the gear when the gear is stopped, and the excessive loss of the oil is prevented, and the oil storage rod needs to be frequently replaced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of the self-lubricating gear shaft;

[0016] Figure 2 is a first sectional view of the self-lubricating gear shaft;

[0017] Figure 3 is a second sectional view of the self-lubricating gear shaft;

[0018] Figure 4 is a third sectional view of the self-lubricating gear shaft;

[0019] Figure 5 is a perspective view of the sliding plug of the self-lubricating gear shaft;

[0020] Figure 6 is a perspective view of the oil storage rod of the self-lubricating gear shaft;

[0021] 1, shaft body; 11, fixing ring; 2, gear; 21, oil storage ring channel; 22, oil outlet channel; 3, limiting ring; 31, oil discharge pipe; 311, oil outlet hole; 312, opening; 4, oil storage rod; 41, holding part; 42, sealing rubber ring; 43, transverse plate; 431, friction pattern; 44, hexagonal protrusion; 5, sliding plug; 51, blocking cone; 52, moving disc; 521, pushing rod; 53, oil passing hole; 6, bolt; 7, reset spring. DETAILED DESCRIPTION

[0022] The utility model discloses the specific embodiment as follows and further describes the technical scheme of the utility model with the drawings, but the utility model is not limited to these embodiments. Embodiment

[0023] As Figures 1 to 6 The utility model discloses a self -lubricating gear 2 axle, including the axle body 1, the axle body 1 installs the gear 2, the axle body 1 is provided with the fixed ring 11 on gear 2 one side, and the gear 2 installs the limit ring 3 on the other side, and the limit ring 3 is provided with the oil drain pipe 31, and the oil drain pipe 31 is provided with the oil hole 311, and the fixed ring 11 inserts the oil storage stick 4, and the oil storage stick 4 penetrates the oil drain pipe 31, and the gear 2 is provided with the oil storage ring channel 21, and the oil storage ring channel 21 is provided with the oil outlet channel 22, and the oil outlet channel 22 is installed with the sliding plug 5.

[0024] The fixed ring 11 is used for positioning the installation position of the gear 2, and the limit ring 3 is used for being fixed with the fixed ring 11 to realize the fixed installation of the gear 2, the oil drain pipe 31 penetrates the gear 2, and the oil storage stick 4 is penetrated in the inside, can store the oil liquid that the oil storage stick 4 melts and flows, and when the gear 2 rotates, the oil liquid flows from the oil drain pipe 31, the oil storage ring channel 21 that is set up in the gear 2 is used for temporarily storing the oil liquid, and the oil outlet channel 22 is used for the outflow of the oil liquid and lubricates the gear 2.

[0025] As Figure 2 The oil drain pipe 31 is inserted into the fixed ring 11, and the oil drain pipe 31 is provided with the opening 312 on the side of the fixed ring 11, and the oil drain pipe 31 is closed at the limit ring 3. The opening 312 of the oil drain pipe 31 on the side of the fixed ring 11 makes the oil storage stick 4 insert into the oil drain pipe 31 from the side of the fixed ring 11, facilitates the fixed connection of the oil storage stick 4 and the fixed ring 11, so that the oil storage stick 4 does not need to be connected with the limit ring 3, which affects the connection of the limit ring 3 and the axle body 1 when disassembling.

[0026] As Figure 1 , Figure 2 , Figure 4 And Figure 6 The oil storage stick 4 is fixed with the holding part 41, the holding part 41 is connected with the fixed ring 11 by screwing, and the holding part 41 is installed with the sealing rubber ring 42. The holding part 41 is used for sealing the oil storage stick 4, prevents the grease in the oil storage stick 4 from falling accidentally, and facilitates the user to hold the oil storage stick 4, the screwing facilitates the fixed connection of the oil storage stick 4 and the fixed ring 11, prevents the oil storage stick 4 from separating from the fixed ring 11, and the sealing rubber ring 42 is used for sealing the gap between the oil drain pipe 31 and the oil storage stick 4, prevents the oil liquid from leaking, and assists in limiting the oil storage stick 4, prevents the oil storage stick 4 from separating from the fixed ring 11.

[0027] As Figure 1 , Figure 2 And Figure 4As shown, the top end of the holding part 41 is provided with a horizontal plate 43, and the horizontal plate 43 is provided with a frictional pattern 431. The horizontal plate 43 is used to provide a force point for the user to rotate the oil storage rod 4, so as to facilitate the disassembly and assembly of the oil storage rod 4; and the frictional pattern 431 is used to enhance the friction, so as to facilitate the user to rotate the oil storage rod 4.

[0028] As shown in Figure 2 and Figure 4 As shown, the limiting ring 3 is provided with a bolt 6, and the bolt 6 is fixedly connected with the limiting ring 3, the gear 2 and the fixed ring 11. The bolt 6 is fixedly connected with the limiting ring 3, the gear 2 and the fixed ring 11, so that the shaft body 1 is integrated with the gear 2 and the fixed ring 11, and then the gear 2 and the fixed ring 11 are synchronously rotated with the shaft body 1.

[0029] As shown in Figure 3 and Figure 5 As shown, the sliding plug 5 is provided with a blocking cone 51 and a moving disc 52, the moving disc 52 is provided with an oil passing hole 53, and the moving disc 52 extends an oil pushing rod 521, and the pushing rod 521 protrudes out of the oil outlet channel 22. The blocking cone 51 is used to block the oil outlet channel 22, so as to prevent oil leakage when the gear 2 is stopped; the moving disc 52 is slid after the pushing rod 521 is extruded and pushed, so as to push the blocking cone 51 to open the oil outlet channel 22; and the oil passing hole 53 is used for oil passing, so as to facilitate oil outflow.

[0030] As shown in Figure 3 The moving disc 52 and the oil outlet channel 22 are provided with a reset spring 7. The reset spring 7 is used to push the moving disc 52, so as to block the oil outlet channel 22 by the blocking cone 51; and after the moving disc 52 is slid to cause oil to enter the oil outlet channel 22, the moving disc 52 is pushed again to block the oil outlet channel 22, so as to prevent a large amount of oil loss. Embodiment

[0031] As shown in Figure 6 The top end of the holding part 41 is provided with a hexagonal protrusion 44. The holding part 41 can adopt various forms of components to rotate the oil outlet rod, and the hexagonal protrusion can be rotated by a wrench to facilitate the disassembly and assembly of the oil storage rod 4.

[0032] 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 them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0033] Although various terms are used herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A self-lubricating gear shaft, comprising a shaft body (1), on which a gear (2) is mounted, and a retaining ring (11) is provided on one side of the gear (2) on the shaft body (1), characterized in that: A limiting ring (3) is installed on the other side of the gear (2). An oil drain pipe (31) is provided on the limiting ring (3). An oil outlet hole (311) is opened on the oil drain pipe (31). An oil storage rod (4) is inserted into the fixing ring (11). The oil storage rod (4) passes through the oil drain pipe (31). An oil storage ring channel (21) is opened inside the gear (2). An oil outlet channel (22) is opened in the oil storage ring channel (21). A sliding plug (5) is installed in the oil outlet channel (22).

2. The self-lubricating gear shaft according to claim 1, characterized in that, The drain pipe (31) is inserted into the fixing ring (11), the drain pipe (31) has an opening (312) on the side of the fixing ring (11), and the drain pipe (31) is closed at the limiting ring (3).

3. A self-lubricating gear shaft according to claim 1, characterized in that, The oil reservoir rod (4) is fixed with a gripping part (41), which is threadedly connected to the fixing ring (11), and a sealing rubber ring (42) is installed on the gripping part (41).

4. A self-lubricating gear shaft according to claim 3, characterized in that, The top of the grip (41) is provided with a horizontal plate (43), and the horizontal plate (43) is provided with friction texture (431).

5. A self-lubricating gear shaft according to claim 1, characterized in that, The sliding plug (5) is provided with a blocking cone (51) and a moving disk (52), and an oil passage is provided between the moving disk (52) and the blocking cone (51). An oil push rod (521) extends from the moving disk (52) and the push rod (521) protrudes out of the oil passage (22).

6. A self-lubricating gear shaft according to claim 5, characterized in that, A return spring (7) is provided between the movable disk (52) and the oil outlet channel (22).

7. A self-lubricating gear shaft according to claim 3, characterized in that, The top of the grip (41) is provided with a hexagonal protrusion (44).

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