Bidirectional oil injection tool for ball groove of center shaft of speed reducer

Abstract

The bidirectional oil injection tool for the ball groove of the center shaft of the speed reducer comprises an oil inlet pipe and an oil injector body, the oil outlet end of the oil inlet pipe is fixedly communicated with a three-way pipe, and the three-way pipe is fixedly communicated with two oil injection pipes through two oil outlets in the end away from the oil inlet pipe. Oil inlet holes are formed in the two sides of the middle of the face, close to the oil injection pipe, of the oil injector body, an oil injection cavity is formed in the middle of the oil injector body, and oil injection through holes are formed in the middles of the two sides of the oil injection cavity. The oil discharging hole is arranged and matched with the oil discharging pipe and the oil collecting tank, when the center shaft of the speed reducer is inserted into the oil injection cavity, the inside and the outside of the oil injection cavity can be communicated, air pressure resistance is prevented from being formed in the oil injection cavity, redundant grease in the oil injection cavity can be pressed into the oil collecting tank through the piston effect, recycling is facilitated, and waste of lubricating oil is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of reducer assembly, in particular to a two-way oiling tool for a ball groove of a central shaft of a reducer. Background Art

[0002] An electric hand drill is a type of handheld power tool. It is a small, easy-to-carry drilling tool consisting of a small motor, a reducer, a control switch, a drill chuck, and a drill bit. An electric drill is a drilling tool powered by an AC power supply or a DC battery. It is used to make holes in or penetrate objects. The electric hand drill is the best-selling product in the power tool industry and is widely used in construction, decoration, furniture and other industries. The electric hand drill can be used as an electric wrench by replacing the head component, and there are also more professional impact wrenches.

[0003] The central shaft of the reducer produced by the applicant is provided with ball grooves on both sides for limiting by corresponding balls. In order to prevent the steel balls from causing large wear due to hard friction between the ball grooves, it is necessary to fill the ball grooves with lubricating grease during reassembly. The existing assembly process is to manually dig out grease and directly fill the ball grooves. Not only is the filling efficiency low, but it is also easy for the lubricating oil to get on other places, which not only affects the cleanliness of the work station, but also leads to waste of lubricating oil. There is room for further improvement. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a two-way oiling tool for the ball groove of the central shaft of a reducer, thereby solving the above-mentioned problem.

[0005] To achieve the above-mentioned object, a two-way oiling tool for a ball groove of a central shaft of a reducer is provided, comprising an oil inlet pipe and an oiler body, wherein the oil outlet end of the oil inlet pipe is fixedly connected to a tee pipe, and the tee pipe is fixedly connected to two oil filling pipes via two oil outlet ports away from one end of the oil inlet pipe, oil inlet holes are formed on both sides of the middle of one side of the oiler body close to the oil filling pipe, an oil filling cavity is formed in the middle of the oiler body, and oil filling through holes are formed in the middle of both sides of the oil filling cavity, both of the two oil filling through holes penetrate the oiler body, and a sealing plug is provided inside the end of the two oil filling through holes away from the oil filling cavity;

[0006] The oil injector body is provided with an oil drain hole at the bottom of the oil injection cavity. The end of the oil drain hole away from the oil injection cavity is fixedly connected to an oil drain pipe, and the end of the oil drain pipe away from the oil injector body is fixedly connected to an oil collecting tank.

[0007] According to the two-way oil injection tool for the ball groove of the central shaft of the reducer, one end of the two oil injection pipes away from the three-way pipe is fixedly connected to the corresponding two oil inlet holes.

[0008] According to the two-way oil filling fixture for the ball groove of the central shaft of the reducer, the ends of the two oil inlet holes away from the oil filling pipe are fixedly connected to the middle of the oil filling hole.

[0009] According to the two-way oil injection tool for the ball groove of the central shaft of the reducer, the oil inlet end of the oil inlet pipe is fixedly connected to a pneumatic oil injection pump, and the control end of the pneumatic oil injection pump is provided with a quantitative air valve.

[0010] According to the bidirectional oil injection tool for the ball groove of the reducer central shaft, the inner diameter of the oil injection cavity corresponds to the diameter of the reducer central shaft, and the positions of the two oil injection through holes are opposite to the positions of the ball groove.

[0011] According to the two-way oil filling tool for the ball groove of the central shaft of the reducer, a one-way valve is provided at the oil inlet end of the oil collecting tank.

[0012] The above solution has at least one of the following beneficial effects:

[0013] 1. The oiler body of the utility model is designed for the structure of the reducer center shaft. By providing corresponding oil filling holes at positions corresponding to the ball grooves on both sides of the oil filling chamber, the ball grooves can be accurately filled with oil. Compared with the situation of manually filling and applying lubricating oil, on the basis of filling the ball grooves, the oiling efficiency can be greatly improved, the waste of lubricating oil can be reduced, and the practicality of the device is enhanced.

[0014] 2. The utility model is provided with an oil drain hole, which cooperates with the oil drain pipe and the oil collecting tank. When the central shaft of the reducer is inserted into the oil filling chamber, not only can the inside and outside of the oil filling chamber be connected to avoid the formation of air pressure resistance inside, but also the piston effect can be used to press the excess grease inside the oil filling chamber into the oil collecting tank for easy recycling, further reducing the waste of lubricating oil and enhancing the practicality of the device.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the left side three-dimensional structure of a two-way oiling tool for a ball groove of a central shaft of a reducer according to the present invention;

[0018] Figure 2 This is a schematic diagram of the right side three-dimensional structure of a two-way oiling tool for a ball groove of a central shaft of a reducer according to the present invention;

[0019] Figure 3This is a schematic top view of the structure of a two-way oiling tool for the ball groove of the central shaft of a reducer according to the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the oiler main body of the utility model.

[0021] Legend:

[0022] 1. Oil inlet pipe; 2. Tee pipe; 3. Oil filling pipe; 4. Oiler body; 5. Oil filling chamber; 6. Oil inlet hole; 7. Oil filling hole; 8. Sealing plug; 9. Oil drain hole; 10. Oil drain pipe; 11. One-way valve; 12. Oil collecting tank. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] Reference Figure 1-4 , the utility model embodiment provides a two-way oiling tool for the ball groove of the reducer central shaft, including an oil inlet pipe 1 and an oiler body 4, the oil outlet end of the oil inlet pipe 1 is fixedly connected with a three-way pipe 2, the oil inlet end of the oil inlet pipe 1 is fixedly connected with a pneumatic oil injection pump, and the control end of the pneumatic oil injection pump is provided with a quantitative air valve, the three-way pipe 2 is fixedly connected with two oil injection pipes 3 through two oil outlets away from one end of the oil inlet pipe 1, and the oiler body 4 is provided with oil inlet holes 6 on both sides of the middle of one side close to the oil injection pipe 3, and the two ends of the two oil injection pipes 3 away from the three-way pipe 2 are fixedly connected with the corresponding two oil inlet holes 6 respectively, and an oil injection cavity 5 is provided in the middle of the oil injection cavity 5, and the middle of both sides of the oil injection cavity 5 are provided with oil inlet holes 6. There is an oil filling through hole 7, the inner diameter of the oil filling cavity 5 corresponds to the diameter of the central axis of the reducer, the positions of the two oil filling through holes 7 correspond to the positions of the ball grooves, the two oil inlet holes 6 are fixedly connected to the middle of the oil filling through hole 7 at one end away from the oil filling pipe 3, and the two oil filling through holes 7 pass through the main body of the oiler body 4. The two oil filling through holes 7 are provided with a sealing plug 8 inside the end away from the oil filling cavity 5 to facilitate hole drilling. By providing corresponding oil filling through holes 7 at positions corresponding to the ball grooves on both sides of the oil filling cavity 5, the ball grooves can be accurately filled with oil. Compared with the situation of manually filling and applying lubricating oil, on the basis of filling the ball grooves, the oiling efficiency can be greatly improved and the waste of lubricating oil can be reduced;

[0025] The oiler body 4 is provided with an oil drain hole 9 at the bottom of the oil filling chamber 5. The oil drain hole 9 is fixedly connected to an oil drain pipe 10 at one end away from the oil filling chamber 5. The oil drain pipe 10 is fixedly connected to an oil collecting tank 12 at one end away from the oiler body 4. A one-way valve 11 is provided at the oil inlet end of the oil collecting tank 12. The oil drain hole 9 provided at the bottom of the oil filling chamber 5, in conjunction with the oil drain pipe 10 and the oil collecting tank 12, can make the oil filling chamber 5 connected inside and outside when the central axis of the reducer is inserted into the oil filling chamber 5, avoiding the formation of air pressure resistance inside, and can also use the piston effect to press the excess grease inside the oil filling chamber 5 into the oil collecting tank 12, which is convenient for recycling and further reduces the waste of lubricating oil.

[0026] Working principle: The utility model sets corresponding oil filling holes 7 at positions corresponding to the ball grooves on both sides of the oil filling chamber 5, so as to accurately fill the ball grooves with oil. Compared with the situation of manually filling and applying lubricating oil, the utility model can greatly improve the oiling efficiency and reduce the waste of lubricating oil on the basis of filling the ball grooves. The oil drain hole 9 set at the bottom of the oil filling chamber 5, together with the oil drain pipe 10 and the oil collecting tank 12, can make the inside and outside of the oil filling chamber 5 connected when the central axis of the reducer is inserted into the oil filling chamber 5 to avoid the formation of air pressure resistance inside, and can also use the piston effect to press the excess grease inside the oil filling chamber 5 into the oil collecting tank 12 for easy recycling, thereby further reducing the waste of lubricating oil.

[0027] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various modifications can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the spirit of the present invention.

Claims

1. A two-way oiling tool for the ball groove of the central shaft of a reducer, comprising an oil inlet pipe (1) and an oiler body (4), characterized in that: The oil outlet end of the oil inlet pipe (1) is fixedly connected to a three-way pipe (2), and the three-way pipe (2) is fixedly connected to two oil filling pipes (3) through two oil outlets away from one end of the oil inlet pipe (1). The oil injector body (4) is provided with oil inlet holes (6) on both sides of the middle of one side close to the oil filling pipe (3), and the middle of the oil injector body (4) is provided with an oil filling cavity (5). The middle of both sides of the oil filling cavity (5) is provided with oil filling through holes (7), and the two oil filling through holes (7) pass through the main body of the oil injector body (4). A sealing plug (8) is provided inside the end of the two oil filling through holes (7) away from the oil filling cavity (5); The oil injector body (4) is provided with an oil drain hole (9) at the bottom of the oil injection chamber (5); an end of the oil drain hole (9) away from the oil injection chamber (5) is fixedly connected to an oil drain pipe (10); and an end of the oil drain pipe (10) away from the oil injector body (4) is fixedly connected to an oil collecting tank (12).

2. The two-way oil injection tool for the ball groove of the central shaft of the reducer according to claim 1, characterized in that: One end of the two oil filling pipes (3) away from the three-way pipe (2) is fixedly connected to the two corresponding oil inlet holes (6).

3. The two-way oil injection tool for the ball groove of the central shaft of the reducer according to claim 1, characterized in that: The ends of the two oil inlet holes (6) away from the oil filling pipe (3) are fixedly connected to the middle of the oil filling through hole (7).

4. The two-way oil injection tool for the ball groove of the central shaft of the reducer according to claim 1, characterized in that: The oil inlet end of the oil inlet pipe (1) is fixedly connected to a pneumatic oil injection pump, and a quantitative air valve is provided at the control end of the pneumatic oil injection pump.

5. The two-way oil injection tool for the ball groove of the central shaft of the reducer according to claim 1, characterized in that: The inner diameter of the oil injection cavity (5) corresponds to the diameter of the central axis of the reducer, and the positions of the two oil injection through holes (7) correspond to the positions of the ball grooves.

6. The two-way oil injection tool for the ball groove of the central shaft of the reducer according to claim 1, characterized in that: A one-way valve (11) is provided at the oil inlet end of the oil collecting tank (12).

Images