Oil changing device of speed reducer

By designing an outer shell including a built-in oil suction tank and oil injection tank, the oil change device corresponding to the one-way valve core, the extrusion component and the push component is used to solve the problems of inconvenience, incompleteness and cumbersome operation of the existing reducer, and a more convenient and efficient oil change process is achieved.

CN222811193UActive Publication Date: 2025-04-29DALIAN EASTOP IND EQUIP CO LTD
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Patent Information

Application Number
CN202420793495.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-04-29
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

The existing reducer has inconvenient oil change, incomplete oil change, and cumbersome operation. The residual oil of old may cause mechanical damage to the reducer.

Method used

An outer shell including a built-in oil suction tank and oil injection tank is designed. The one-way valve core in the oil pipe corresponds to the extrusion assembly and push assembly to achieve a one-way oil overflow effect, which facilitates the oil change operation of the reducer.

Benefits of technology

The oil change process is simplified to ensure that the old oil in the oil tank is completely sucked out and the new oil is completely injected, avoiding the residue of old oil, making the operation more convenient and efficient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an oil changing device, belongs to the technical field of gear motor accessory equipment, and particularly relates to a speed reducer oil changing device which comprises an outer shell, an oil injection oil tank and an oil suction oil tank which respectively correspond to the outer shell are arranged in the outer shell, an oil pipe is connected to the lower portion of the outer shell, and a one-way valve element is arranged in the oil pipe. The bottom end of the oil injection oil tank is fixedly connected with an extrusion assembly corresponding to the one-way valve element, and the interior of the bottom end of the oil suction oil tank is movably connected with a T-shaped pushing assembly corresponding to the one-way valve element. The one-way valve element in the oil pipe corresponds to the extruding assembly and the pushing assembly, so that the one-way oil passing effect is achieved, the oil changing process of the speed reducer is facilitated, and the problems that in the prior art, oil changing of the speed reducer is inconvenient, oil changing is not thorough, and operation is tedious are solved.
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Description

Technical Field

[0001] The utility model provides an oil changing device, which belongs to the technical field of auxiliary equipment of reduction motors, and particularly relates to an oil changing device for a reduction machine. Background Art

[0002] A speed reducer is a device used to reduce the speed of mechanical equipment and increase torque. It is usually composed of gears, which mesh with each other to achieve speed reduction and torque increase. Speed ​​reducers are widely used in various industrial fields, including manufacturing, mining, energy, etc., to drive various equipment and machinery, such as conveyors, mixers, cranes, etc. There are many types and specifications of speed reducers. Different types of speed reducers can be selected according to specific needs, such as helical gear reducers, worm gear reducers, planetary reducers, etc.

[0003] As time goes by and the oil is used, the lubricating oil in the reducer will gradually be polluted, oxidized and worn, resulting in a decrease in its lubrication performance, and may even produce sediment and impurities. If the oil is not replaced in time, these pollutants will affect the normal operation of the reducer, increase the wear of parts, reduce the transmission efficiency, and may even cause the reducer to fail. The existing method of changing the oil of the reducer is mostly to manually open the oil tank cover for natural dumping, and then pour the new lubricating oil into the oil tank. This process is not only time-consuming and laborious, but the old oil may also remain in the oil tank, causing mechanical damage to the reducer, and inconvenient to use. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, the embodiments of the present application provide a reducer oil changing device, thereby solving the problems of inconvenient reducer oil changing, incomplete oil changing and complicated operation in the prior art.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a reducer oil changing device, comprising an outer shell, wherein the interior of the outer shell is provided with an oil filling tank and an oil suction tank corresponding to the outer shell respectively, an oil pipe is connected to the bottom of the outer shell, a one-way valve core is provided inside the oil pipe, the bottom end of the oil filling tank is fixedly connected to an extrusion assembly corresponding to the one-way valve core, and the bottom end of the oil suction tank is movably connected to a T-shaped pushing assembly corresponding to the one-way valve core.

[0006] Preferably, a connecting pipe penetrating the outer shell and corresponding to the oil injection tank and the oil suction tank is connected to the upper side of the outer shell, and a through hole penetrating the outer shell, the oil suction tank and the oil injection tank is provided at the bottom end of the outer shell.

[0007] Preferably: the extrusion assembly includes a connecting frame fixedly connected to the outside of the bottom end of the oil filling tank, the interior of the connecting frame is connected to a piston column corresponding to the through hole through a limiting plate whose length is greater than its own diameter, and a number of evenly distributed springs are provided between the connecting frame and the limiting plate.

[0008] Preferably, the pushing assembly includes a tension spring placed inside the oil suction tank and surrounding the outer circle of the through hole, and the other end of the tension spring is connected to a T-shaped limiting piece corresponding to the through hole.

[0009] Preferably: the outer sleeve of the one-way valve core is provided with a valve body which is placed inside the oil pipe and has a diameter corresponding to the through hole, a plurality of evenly distributed oil holes are connected to one end of the valve body close to the through hole, an oil groove with a diameter larger than the inner diameter of the valve body is provided inside the valve body, and a limiting hole with a diameter smaller than the inner diameter of the valve body and corresponding to the one-way valve core is provided on the side of the oil groove close to the oil hole.

[0010] Preferably: the upper end of the one-way valve body is provided with a conical blocking member corresponding to the limiting hole, the interior of the one-way valve body is hollow and the outer wall is provided with a through groove that penetrates the one-way valve body, the end of the blocking member away from the limiting hole is fixedly connected to a blocking spring arranged inside the one-way valve body, and the other end of the blocking spring is connected to a blocking ring embedded in the one-way valve body.

[0011] Preferably, a through groove penetrating the blocking member is provided in the blocking member, and the interior of the through groove is connected to a sealing plate via a second tension spring.

[0012] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0013] The utility model provides an outer shell with a built-in oil suction tank and an oil filling tank, and replaces different oil tanks to correspond to the oil pipes, so that the one-way valve core inside the oil pipes corresponds to the extrusion component and the push component respectively, thereby achieving a one-way oil flow effect, thereby facilitating the oil change process of the reducer.

[0014] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of a reducer oil changing device of the utility model;

[0016] Figure 2 It is a cross-sectional view of a reducer oil changing device in different states of the utility model;

[0017] Figure 3 This is a partial enlarged view of the extrusion component of a reducer oil changing device of the utility model;

[0018] Figure 4 This is a partial enlarged view of the driving component of a reducer oil changing device of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection of a driving component of a speed reducer oil changing device of the utility model;

[0020] Figure 6 This is a schematic diagram of the connection of an extrusion assembly of a reducer oil changing device of the utility model;

[0021] Figure 7 This is a cross-sectional view of a blocking member of a reducer oil changing device of the utility model.

[0022] As shown in the figure:

[0023] 1. Outer shell;

[0024] 11. Oil pipe; 12. One-way valve core; 13. Connecting pipe; 14. Through hole; 15. Valve body; 16. Oil hole; 17. Oil groove; 18. Limit hole;

[0025] 121, blocking member; 122, through groove; 123, blocking spring; 124, blocking ring; 125, second tension spring; 126, sealing plate;

[0026] 2. Fill the oil tank;

[0027] 21. Oil suction tank; 22. Extrusion assembly; 23. Push assembly; 24. Piston plate;

[0028] 221, connecting frame; 222, limiting plate; 223, piston column; 224, spring;

[0029] 231. Tension spring; 232. Limiting member. DETAILED DESCRIPTION

[0030] 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.

[0031] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are only for illustrative purposes and do not represent the only implementation method.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific implementation methods and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] like Figure 1 and Figure 2 As shown, the utility model provides a reducer oil changing device, comprising an outer shell 1, an oil filling tank 2 and an oil suction tank 21 corresponding to the outer shell 1 are arranged inside the outer shell 1, and a connecting pipe 13 penetrating the outer shell 1 and corresponding to the oil filling tank 2 and the oil suction tank 21 is connected above the outer shell 1, a through hole 14 penetrating the outer shell 1, the oil suction tank 21 and the oil filling tank 2 is arranged at the bottom end of the outer shell 1, a piston plate 24 is arranged inside the oil filling tank 2 and the oil suction tank 21, an oil pipe 11 is connected below the outer shell 1, a one-way valve core 12 is arranged inside the oil pipe 11, and the one-way valve core 12 The outer sleeve is provided with a valve body 15 which is placed inside the oil pipe 11 and has a diameter corresponding to the through hole 14. A plurality of evenly distributed oil holes 16 are connected to one end of the valve body 15 close to the through hole 14. An oil groove 17 with a diameter larger than the inner diameter of the valve body 15 is provided inside the valve body 15. A limiting hole 18 with a diameter smaller than the inner diameter of the valve body 15 and corresponding to the one-way valve core 12 is provided on the side of the oil groove 17 close to the oil hole 16. An extrusion component 22 corresponding to the one-way valve core 12 is fixedly connected to the bottom end of the oil filling tank 2, and a T-shaped pushing component 23 corresponding to the one-way valve core 12 is movably connected inside the bottom end of the oil suction tank 21.

[0034] In the present embodiment, by setting up an outer shell body 1 with a built-in oil suction tank 21 and an oil filling tank 2, and by replacing different oil tanks to correspond to the oil pipe 11, the one-way valve core 12 inside the oil pipe 11 corresponds to the extrusion component 22 and the push component 23 respectively, thereby achieving a one-way oil flow effect, thereby facilitating the oil change process of the reducer.

[0035] like Figure 3 , 4, 5, and 6, the extrusion assembly 22 includes a connecting frame 221 fixedly connected to the outside of the bottom end of the oil filling tank 2, the interior of the connecting frame 221 is connected to a piston column 223 corresponding to the through hole 14 through a limit plate 222 whose length is greater than its own diameter, and a plurality of evenly distributed springs 224 are arranged between the connecting frame 221 and the limit plate 222. The pushing assembly 23 includes a tension spring 231 placed inside the oil suction tank 21 and surrounding the outer circle of the through hole 14, and the other end of the tension spring 231 is connected to a T-shaped limit piece 23 corresponding to the through hole 14. 2. A conical blocking member 121 corresponding to the limiting hole 18 is provided at the upper end of the one-way valve body 12. The one-way valve body 12 is hollow inside and a through groove 122 penetrating the one-way valve body 12 is provided on the outer wall. A blocking spring 123 disposed inside the one-way valve body 12 is fixedly connected to one end of the blocking member 121 away from the limiting hole 18. The other end of the blocking spring 123 is connected to a blocking ring 124 embedded inside the one-way valve body 12. A through groove penetrating the blocking member 121 is provided inside the blocking member 121. The inside of the through groove is connected to a sealing plate 126 via a second tension spring 125. .

[0036] In this embodiment, when sucking oil, the oil suction tank 21 is installed, the connecting pipe 13 and the air pump are connected, the oil pipe 13 and the outer shell 1 are connected, the one-way valve core 12 pushes the limit piece 232 upward, stretches the tension spring 231, and uses the suction force to reduce the pressure above the piston plate 24, drives the piston plate 24 to slide upward, sucks the oil out of the tank, and uses the pressure to push the sealing plate 126, pulls the second tension spring 125125, and the old oil enters the oil suction tank 21 through the oil hole 16; when filling oil, the oil filling tank 2 is installed, and the connecting frame 221 is inserted into the one-way valve body 15, so that the one-way valve core 12 is offline against the blocking ring 124, compresses the blocking spring 123, and the blocking piece 121 leaves the limiting hole 18, so that the new oil flows from the limiting hole 18 to the oil groove 17, and then flows out from the holes on the side wall of the one-way valve body 15 and enters the inside of the oil pipe 11.

[0037] When in use, ensure that the oil suction tank 21 or the oil filling tank 2 cooperates with the connecting pipe 13, and connects the connecting pipe 13 to the outer shell 1; install the oil suction tank 21, and connect the connecting pipe 13 to the air pump, start the air pump, create negative pressure, the one-way valve core 12 pushes the limit piece 232 upward, stretches the tension spring 231, and the suction force reduces the pressure above the piston plate 24. The piston plate 24 slides upward to suck the old oil out of the oil suction tank 21, and the old oil enters the oil suction tank 21 through the oil hole 16; install the oil filling tank 2, and insert the connecting frame 221 into the one-way valve body 15; the connecting frame 221 makes the one-way valve core 12 offline to support the blocking ring 124, compress the blocking spring 123, and the blocking piece 121 leaves the limiting hole 18; the new oil flows from the limiting hole 18 to the oil groove 17, and then flows out from the holes on the side wall of the one-way valve body 15 to enter the inside of the oil pipe 11. Through this process, the oil change operation of the reducer can be realized. It is necessary to ensure the safety during the operation and adjust the operation sequence and parameters according to actual needs.

[0038] Although the present invention has been disclosed as above in terms of preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the claims.

Claims

1. A speed reducer oil changing device, comprising an outer shell (1), characterized in that: The outer shell (1) is provided with an oil filling tank (2) and an oil suction tank (21) respectively corresponding to the outer shell (1); an oil pipe (11) is connected to the lower part of the outer shell (1); a one-way valve core (12) is provided inside the oil pipe (11); the bottom end of the oil filling tank (2) is fixedly connected to an extrusion component (22) corresponding to the one-way valve core (12); the bottom end of the oil suction tank (21) is movably connected to a T-shaped pushing component (23) corresponding to the one-way valve core (12).

2. The reducer oil changing device according to claim 1, characterized in that: The upper part of the outer shell (1) is connected with a connecting pipe (13) which passes through the outer shell (1) and corresponds to the oil injection tank (2) and the oil suction tank (21); the bottom end of the outer shell (1) is provided with a through hole (14) which passes through the outer shell (1), the oil suction tank (21) and the oil injection tank (2); and the inside of the oil injection tank (2) and the oil suction tank (21) are both provided with piston plates (24).

3. The reducer oil changing device according to claim 2, characterized in that: The extrusion assembly (22) comprises a connecting frame (221) fixedly connected to the outside of the bottom end of the oil filling tank (2); the interior of the connecting frame (221) is connected to a piston column (223) corresponding to the through hole (14) via a limiting plate (222) having a length greater than the diameter of the connecting frame (221); and a plurality of evenly distributed springs (224) are provided between the connecting frame (221) and the limiting plate (222).

4. The reducer oil changing device according to claim 2, characterized in that: The pushing assembly (23) comprises a tension spring (231) disposed inside the oil suction tank (21) and surrounding the outer ring of the through hole (14); the other end of the tension spring (231) is connected to a T-shaped limiting member (232) corresponding to the through hole (14).

5. The reducer oil changing device according to claim 2, characterized in that: The one-way valve core (12) is externally sleeved with a valve body (15) which is placed inside the oil pipe (11) and has a diameter corresponding to the through hole (14); one end of the valve body (15) close to the through hole (14) is connected to a plurality of evenly distributed oil holes (16); the inside of the valve body (15) is provided with an oil groove (17) whose diameter is larger than the inner diameter of the valve body (15); and a limiting hole (18) whose diameter is smaller than the inner diameter of the valve body (15) and corresponds to the one-way valve core (12) is provided on one side of the oil groove (17) close to the oil hole (16).

6. The reducer oil changing device according to claim 5, characterized in that: The upper end of the one-way valve core (12) is provided with a conical blocking member (121) corresponding to the limiting hole (18); the interior of the one-way valve core (12) is hollow and the outer wall is provided with a through groove (122) penetrating the one-way valve core (12); one end of the blocking member (121) away from the limiting hole (18) is fixedly connected to a blocking spring (123) disposed inside the one-way valve core (12); the other end of the blocking spring (123) is connected to a blocking ring (124) embedded inside the one-way valve core (12).

7. The reducer oil changing device according to claim 6, characterized in that: The blocking member (121) is provided with a through groove penetrating the blocking member (121), and the interior of the through groove is connected to a sealing plate (126) via a second tension spring (125).