Shaft sleeve with oil filling port

Abstract

The utility model discloses a shaft sleeve with an oil filling port, and relates to the technical field of shaft sleeves, the shaft sleeve comprises a shaft sleeve body, the lower end in the shaft sleeve body is provided with a limiting groove, the side wall of the shaft sleeve body is provided with the oil filling port, the oil filling port is arranged in a zigzag shape, and the outer side of the oil filling port is provided with an oil filling nozzle. An oil guide groove is formed in the inner side wall of the shaft sleeve body and communicates with the oil injection opening. According to the shaft sleeve with the oil injection opening, the oil injection opening and the oil injection nozzle are arranged, lubricating oil is injected into the oil injection opening through the oil injection nozzle, bending pressure can be provided through the oil injection opening formed in a zigzag mode, the oil injection opening and the oil guide groove are filled with the lubricating oil in cooperation with rotation of the shaft rod, and the oil injection space in the oil injection cavity is adjustable; therefore, the adjustable lubricating oil injection efficiency can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft sleeves, in particular to a shaft sleeve with an oil filling port. Background Art

[0002] The bushing is used to limit the bearing and is sleeved on the shaft. Traditional bushings are injected with lubricating oil inside before production and processing. The lubricating oil provided can usually be used for a long time to assist the rotation of the shaft.

[0003] However, the internal wear of the sleeve is high, and the traditional maintenance and repair requires the sleeve to be removed, which is cumbersome. There is currently a sleeve with an oil filling port, and lubricating oil is injected into the inside through the outer oil filling port during maintenance. However, the traditional oil filling port has a thin aperture and the efficiency of injecting lubricating oil is low. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a shaft sleeve with an oil filling port, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical scheme: a shaft sleeve with an oil filling port, including a shaft sleeve body, a limiting groove is provided at the inner lower end of the shaft sleeve body, an oil filling port is provided on the side wall of the shaft sleeve body, the oil filling port is arranged in a folded shape, an oil filling nozzle is arranged on the outer side of the oil filling port, an oil guide groove is provided on the inner side wall of the shaft sleeve body, and the oil guide groove is connected to the oil filling port.

[0006] Furthermore, the oil filling nozzle includes: a connecting head, an oil filling chamber is opened inside the connecting head, a docking port is opened at the outer end of the connecting head, and the oil filling chamber and the docking port are connected, a support frame is fixedly connected to the oil filling port located at the outer end of the sleeve body, and a plug is arranged at the outer end of the support frame, and the plug is matched with the oil filling chamber.

[0007] Furthermore, the plug includes: a spring, the spring is fixedly connected to the outer end of the support frame, the outer end of the spring is fixedly connected to a fixing seat, a steel ball is rolled in the fixing seat, and the outer wall of the steel ball is against the inner wall of the oil filling chamber.

[0008] Furthermore, a through hole is provided in the middle of the support frame, and the support frame is arranged in a cross shape.

[0009] Furthermore, the oil guide groove is bidirectionally arranged, and the lower end of the oil guide groove is connected to the upper end of the limiting groove.

[0010] Furthermore, the connector is threadedly connected to the outer side of the sleeve body.

[0011] Furthermore, the oil filling port on the inner side of the sleeve body is arranged above the oil filling port on the outer side of the sleeve body.

[0012] Furthermore, the cross section of the oil injection cavity is conical, the cross section of the docking port is conical, and the communicating connection ends of the oil injection cavity and the docking port are both small-mouth ends of the conical ends.

[0013] Compared with the above-mentioned background technology, the present application provides a shaft sleeve with an oil filling port, which includes a shaft sleeve with very mature technology today, and an oil filling port and an oil filling nozzle as core components. Its principle relies on the folded oil filling port to provide pressure, thereby achieving a better injection effect, and the oil filling nozzle can adjust the speed of injecting lubricating oil by controlling the steel ball.

[0014] The utility model provides a shaft sleeve with an oil injection port. Compared with the prior art, it has the following beneficial effects:

[0015] The shaft sleeve with an oil filling port is provided with an oil filling port and an oil filling nozzle, and lubricating oil is injected into the oil filling port through the oil filling nozzle. The oil filling port arranged in a folded shape can provide bending pressure, and the oil filling port and the oil guide groove are filled with lubricating oil in cooperation with the rotation of the shaft rod. The oil filling space in the oil filling cavity is adjustable, thereby achieving adjustable lubricating oil injection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the oil filling port and the oil guide groove of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the cross-section of the shaft sleeve body of the utility model;

[0019] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. sleeve body; 2. oil filling port; 3. limit groove; 4. oil guide groove; 5. connector; 6. support frame; 7. oil filling chamber; 8. docking port; 9. fixing seat; 10. steel ball; 11. spring; 12. through hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a shaft sleeve with an oil filling port, comprising a shaft sleeve body 1, a limiting groove 3 is arranged at the inner lower end of the shaft sleeve body 1, an oil filling port 2 is arranged on the side wall of the shaft sleeve body 1, the oil filling port 2 is arranged in a folded shape, an oil filling nozzle is arranged on the outer side of the oil filling port 2, and an oil guide groove 4 is arranged on the inner side wall of the shaft sleeve body 1, and the oil guide groove 4 is connected to the oil filling port 2; the oil filling port 2 is arranged on the side wall of the shaft sleeve body 1, the folded oil filling port 2 can provide injection pressure when injecting lubricating oil, thereby making the instantaneous injection rate of lubricating oil injection faster, an oil filling nozzle is arranged on the outer side of the oil filling port 2, and lubricating oil is injected into the interior of the shaft sleeve body 1 through the oil filling nozzle, and the shaft rod inside the shaft sleeve body 1 guides the lubricating oil into the oil guide groove 4 by rotation, and the lubricating oil is passed to the entire shaft sleeve body 1 through the oil guide groove 4. In this way, the lubricating oil can be injected into the interior through the outer side of the shaft sleeve body 1, which is convenient for the maintenance of the shaft sleeve body 1.

[0023] like Figure 4 As shown, the oiling nozzle includes: a connecting head 5, an oiling chamber 7 is opened inside the connecting head 5, a docking port 8 is opened at the outer end of the connecting head 5, and the oiling chamber 7 is communicated with the docking port 8, a support frame 6 is fixedly connected to the oiling port 2 located at the outer end of the sleeve body 1, a plug is arranged at the outer end of the support frame 6, and the plug is matched with the oiling chamber 7; the connecting head 5 has an oiling chamber 7, a plug is arranged in the oiling chamber 7, a support frame 6 is fixed at the inner end of the outer side of the oiling port 2, and the plug is fixed on the support frame 6, and the lubricating oil can be injected into the inner side after the plug is squeezed inwardly to make the plug away from the docking port 8, and the pressure can be increased by docking with the docking port 8 to inject the lubricating oil into the oiling port 2.

[0024] like Figure 4 As shown, the plug includes: a spring 11, which is fixedly connected to the outer end of the support frame 6, and the outer end of the spring 11 is fixedly connected to a fixing seat 9, in which a steel ball 10 is arranged to roll, and the outer wall of the steel ball 10 is arranged to abut against the inner wall of the oil filling chamber 7, and the lubricating oil port squeezes the steel ball 10 inwardly, and the steel ball 10 can rotate in the fixing seat 9, and at the same time the fixing seat 9 squeezes the spring 11, and the oil filling chamber 7 is made available through the spring 11, and the more it is squeezed inwardly, the larger the oil filling chamber 7 will be, thereby inputting the lubricating oil faster.

[0025] like Figure 4As shown, a through hole 12 is opened in the middle of the support frame 6, and the support frame 6 is arranged in a cross shape. The cross-shaped support frame 6 can let the lubricating oil pass through the intervals. At the same time, opening the through hole 12 in the middle of the support frame 6 can better improve the passing efficiency of the lubricating oil.

[0026] like Figure 3 As shown, the oil guide groove 4 is bidirectionally arranged, and the lower end of the oil guide groove 4 is connected to the upper end of the limit groove 3. The bidirectionally arranged oil guide groove 4 can adapt to the bidirectional rotation of the shaft rod. No matter how the shaft rod rotates, the lubricating oil can enter the oil guide groove 4, and the oil guide groove 4 can guide the lubricating oil inside the oil guide groove 4 to the limit groove 3, and then the bearing can be lubricated and maintained through the limit groove 3.

[0027] like Figure 4 As shown, the connector 5 is threadedly connected to the outer side of the sleeve body 1. The connector 5 is threadedly connected to the outer side of the sleeve body 1 and can be removed by rotating. After use, the connector 5 can be removed to clean the inside to reduce the blockage of the lubricating oil by foreign matter.

[0028] like Figure 4 As shown, the oil filling port 2 on the inner side of the sleeve body 1 is arranged above the oil filling port 2 on the outer side of the sleeve body 1. The oil filling port 2 on the inner side of the sleeve body 1 is located above the outer oil filling port 2 in order to provide a greater pressure so that the lubricating oil can be better injected, and then the injection pressure can make the lubricating oil inside the sleeve body 1 flow faster.

[0029] like Figure 4 As shown, the cross-section of the oil filling chamber 7 is conically set, the cross-section of the docking port 8 is conically set, and the connecting ends of the oil filling chamber 7 and the docking port 8 are both small-mouthed ends of the conical ends. The conical setting of the docking port 8 can facilitate the insertion of the lubricating oil connection port, and the conical setting of the oil filling chamber 7 can provide higher adjustability, and the speed of lubricating oil injection can be adjusted according to the position of the steel ball 10.

[0030] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A shaft sleeve with an oil filling port, comprising a shaft sleeve body (1), wherein a limiting groove (3) is provided at the lower end of the shaft sleeve body (1), characterized in that: The side wall of the shaft sleeve body (1) is provided with an oil filling port (2), the oil filling port (2) is arranged in a folded shape, an oil filling nozzle is arranged outside the oil filling port (2), and the inner side wall of the shaft sleeve body (1) is provided with an oil guide groove (4), and the oil guide groove (4) is arranged in communication with the oil filling port (2).

2. A shaft sleeve with an oil filling port according to claim 1, characterized in that: The oiling nozzle comprises: A connecting head (5), wherein an oil injection chamber (7) is provided inside the connecting head (5), a docking port (8) is provided at the outer end of the connecting head (5), and the oil injection chamber (7) is communicated with the docking port (8), a support frame (6) is fixedly connected to the oil injection port (2) at the outer end of the sleeve body (1), and a plug is provided at the outer end of the support frame (6), and the plug is matched with the oil injection chamber (7).

3. A shaft sleeve with an oil filling port according to claim 2, characterized in that: The plug includes: A spring (11), wherein the spring (11) is fixedly connected to the outer end of the support frame (6), the outer end of the spring (11) is fixedly connected to a fixing seat (9), a steel ball (10) is rotatably arranged in the fixing seat (9), and the outer wall of the steel ball (10) is arranged to abut against the inner wall of the oil injection chamber (7).

4. A shaft sleeve with an oil filling port according to claim 2, characterized in that: A through hole (12) is provided in the middle of the support frame (6), and the support frame (6) is arranged in a cross shape.

5. A shaft sleeve with an oil filling port according to claim 2, characterized in that: The oil guide groove (4) is bidirectionally arranged, and the lower end of the oil guide groove (4) is connected to the upper end of the limiting groove (3).

6. A shaft sleeve with an oil filling port according to claim 2, characterized in that: The connecting head (5) is threadedly connected to the outer side of the shaft sleeve body (1).

7. A shaft sleeve with an oil filling port according to claim 2, characterized in that: The oil filling port (2) on the inner side of the shaft sleeve body (1) is arranged above the oil filling port (2) on the outer side of the shaft sleeve body (1).

8. A shaft sleeve with an oil filling port according to claim 3, characterized in that: The cross section of the oil injection cavity (7) is conical, the cross section of the docking port (8) is conical, and the communicating connection ends of the oil injection cavity (7) and the docking port (8) are both small-mouthed ends of the conical ends.

Images