Speed reducer vent cap structure capable of preventing oil leakage and oil mist overflow

Abstract

The speed reducer vent cap structure comprises a sight hole cover, an oil baffle plate, a handle, a sight hole cover pipeline and the like, the sight hole cover and the handle have the functions of an observation window and an oil filling port, and the oil baffle plate prevents lubricating oil from splashing into a vent cap and is connected with the multiple components through oil return holes. A check valve is arranged at an outlet of the ventilation cap, a filter screen and a drying agent are arranged in the ventilation cap to absorb the oil mist and moisture, the oil storage tank is a detachable transparent shell and can discharge polluted oil, and the oil receiving box, the ventilation cap shell and the oil storage tank are transparent, so that the internal condition can be seen. The structure integrates multiple functions, can effectively prevent the vent cap of the speed reducer from leaking oil and preventing oil mist from overflowing, solves the problem that the speed reducer and a main machine room are polluted, and has the advantages of being reasonable in structure, convenient to use and maintain and the like.

Description

Technical Field

[0001] The invention relates to the technical field of ventilation and air exchange of a gear box for a reducer, and in particular to a reducer ventilation cap structure which is capable of preventing oil leakage and oil mist overflow. Background Art

[0002] In the working process of the reducer, its operating mechanism plays a vital role. As the power source, the motor drives the gears inside the reducer to work at a high-speed rotation state, thereby realizing the effective transmission of torque. In this process, the gears are in a continuous high-speed operation state, constantly stirring the lubricating oil inside the reducer. Due to the interaction between the gears and the lubricating oil, as well as the friction generated by the gears during rotation, the temperature of the lubricating oil continues to rise. As the working time increases, the lubricating oil is continuously squeezed by the gears, and the heat continues to accumulate, causing the pressure inside the reducer gearbox to gradually increase.

[0003] In order to solve this problem, a vent cap is usually set on the upper housing of the reducer. The main function of this vent cap is to ventilate the reducer, and balance the pressure inside the reducer by exchanging with the outside air. However, the vent caps currently used in the market have some shortcomings. In actual use, lubricating oil or oil mist often overflows from the vent cap. This situation will not only pollute the outer surface of the reducer, making it greasy, affecting the appearance and neatness of the equipment, but may also pollute the environment of the main engine room. The overflow of lubricating oil may drip onto the ground, making the ground slippery and increasing the risk of staff slipping. At the same time, the diffusion of oil mist will also have an adverse effect on the air quality of the main engine room, and may even pose a potential threat to the health of the staff. Therefore, the development of a reducer vent cap structure that can effectively prevent the overflow of lubricating oil or oil mist has become a problem that needs to be solved urgently. Summary of the invention

[0004] In view of the technical problem that lubricating oil or oil mist overflows from the above reducer vent cap, a reducer vent cap structure is provided that prevents oil leakage and oil mist from overflowing. The present invention integrates the sight hole cover, the vent cap, and the oil storage tank together, and has the functions of a reducer observation window, a reducer lubricating oil filling port, a reducer ventilation function, and a reducer vent cap oil mist collection function.

[0005] The technical means adopted by the present invention are as follows: A reducer vent cap structure for preventing oil leakage and oil mist overflow, comprising: a sight hole cover, an oil baffle, a handle, a sight hole cover pipeline, an oil receiving box, a vent cap shell, a vent cap upper cover, a first filter screen, a baffle ring, a second filter screen, an inner tube of the vent cap, a desiccant, a one-way valve, a joint, a hose, an oil storage tank and an oil drain valve; The handle is installed on the sight hole cover, and the sight hole cover pipeline is threadedly connected to the internal pipe of the vent cap; the oil baffle is located below the sight hole cover pipeline and is used to prevent gear lubricating oil from splashing into the vent cap; the vent cap shell is arranged outside the internal pipe of the vent cap, and the top of the vent cap shell is the vent cap upper cover; the oil receiving box is arranged on the lower side of the vent cap shell, and is connected to the oil storage tank through the hose; The oil baffle plate is drilled with an oil return hole, which is connected to the sight hole cover pipeline, the internal pipe of the vent cap, the upper cover of the vent cap, the first filter screen, the baffle ring and the second filter screen, so that the oil mist can condense through this path and flow back to the reducer housing; The vent cap upper cover includes a baffle ring and a second filter screen. A portion of the oil mist reaches the vent cap upper cover, condenses and flows back to the air inlet through the baffle ring, and finally flows back to the reducer housing; A first filter screen and a desiccant are arranged inside the vent cap to absorb oil mist and moisture.

[0006] Furthermore, the sight hole cover and the handle can be combined to serve as a reducer observation window and a reducer refueling port.

[0007] Furthermore, a one-way valve is provided at the outlet of the vent cap, and the hose is connected via the connector.

[0008] Furthermore, the oil storage tank is connected to the main body of the vent cap and is a detachable transparent shell, and the contaminated oil can be discharged through the oil drain valve.

[0009] Furthermore, the oil receiving box, the vent cap shell and the oil storage tank are all transparent shells, so that the internal conditions can be visually observed.

[0010] Due to the adoption of the above technical solution, compared with the prior art, the present invention has the following advantages: 1. The invention provides a reducer vent cap structure that prevents oil leakage and oil mist overflow, which integrates a sight hole cover, a vent cap, and an oil storage tank, thereby reducing the space occupied by the equipment and making the overall structure of the reducer more compact. At the same time, it has the functions of a reducer observation window, a reducer lubricating oil filling port, a reducer ventilation function, and a reducer vent cap oil mist collection function, thereby providing great convenience for users and reducing the maintenance and management costs of multiple independent components.

[0011] 2. The invention provides a reducer vent cap structure that prevents oil leakage and oil mist overflow. Through the coordinated action of multiple components such as an oil baffle, a filter screen, a desiccant and a one-way valve, it can effectively prevent the gear lubricating oil from splashing into the inside of the vent cap, and allow the oil mist to condense and flow back to the reducer housing, thereby greatly reducing the risk of lubricating oil or oil mist overflowing from the vent cap and completely solving the problem of oil leakage from the reducer vent cap and pollution of the reducer and the machine room.

[0012] 3. The invention provides a reducer vent cap structure that prevents oil leakage and oil mist overflow. The color of the desiccant changes after being saturated with desiccant, so that users can monitor the use of the desiccant in time to ensure its normal operation. At the same time, the sight hole cover and the internal tube of the vent cap are threaded for easy disassembly, and the oil storage tank is a detachable transparent shell. These designs make the maintenance of the equipment more convenient and improve the maintainability and service life of the equipment.

[0013] 4. The invention provides a reducer vent cap structure that prevents oil leakage and oil mist overflow. The oil receiving box, the vent cap shell and the oil storage tank are all transparent shells, and the internal conditions can be visually observed. The user can intuitively observe the collection of oil mist, the state of the desiccant and the accumulation of contaminated oil in the oil storage tank, so as to take corresponding treatment measures in time, thereby improving the safety and reliability of the equipment.

[0014] Based on the above reasons, the present invention can be widely promoted in the technical field of ventilation and air exchange of gear boxes for speed reducers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the overall structure of a reducer vent cap structure that prevents oil leakage and oil mist overflow according to an embodiment of the present invention; Figure 2 A schematic diagram of a vent cap structure in a reducer vent cap structure that prevents oil leakage and oil mist overflow according to an embodiment of the present invention; Figure 3 The present invention is a schematic diagram of a reducer vent cap structure that prevents oil leakage and oil mist overflow, including a sight hole cover, an oil baffle, a handle, and a sight hole cover pipeline connection.

[0017] In the figure; 1. sight hole cover; 2. oil baffle plate; 3. handle; 4. sight hole cover pipeline; 5. oil collecting box; 6. vent cap shell; 7. vent cap upper cover; 8. first filter; 9. baffle ring; 10. second filter; 11. vent cap internal tube; 12. desiccant; 13. one-way valve; 14. connector; 15. hose; 16. oil storage tank; 17. oil drain valve. DETAILED DESCRIPTION

[0018] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0021] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0022] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0023] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0024] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0025] like Figures 1 to 3 As shown, a reducer vent cap structure for preventing oil leakage and oil mist overflow comprises: a sight hole cover 1, an oil baffle plate 2, a handle 3, a sight hole cover pipeline 4, an oil receiving box 5, a vent cap shell 6, a vent cap upper cover 7, a first filter screen 8, a baffle ring 9, a second filter screen 10, a vent cap internal tube 11, a desiccant 12, a one-way valve 13, a joint 14, a hose 15, an oil storage tank 16 and an oil drain valve 17; The handle 3 is installed on the sight hole cover 1, and the sight hole cover pipeline 4 is threadedly connected to the internal pipe 11 of the vent cap; the oil baffle 2 is located below the sight hole cover pipeline 4, and is used to prevent the gear lubricating oil from splashing into the vent cap; the vent cap shell 6 is arranged outside the internal pipe 11 of the vent cap, and the top of the vent cap is the vent cap upper cover 7; the oil receiving box 5 is arranged on the lower side of the vent cap shell 6, and is connected to the oil storage tank 16 through the hose 15; The oil baffle plate 2 is drilled with an oil return hole, which is connected to the sight hole cover pipeline 4, the internal pipe 11 of the vent cap, the vent cap upper cover 7, the first filter screen 8, the baffle ring 9 and the second filter screen 10 through the oil return hole, so that the oil mist can condense through this path and flow back to the reducer housing; The vent cap upper cover 7 includes a baffle ring 9 and a second filter screen 10. A portion of the oil mist reaches the vent cap upper cover 7, condenses, flows back to the air inlet through the baffle ring 9, and finally flows back to the reducer housing; A first filter screen 8 and a desiccant 12 are arranged inside the vent cap to absorb oil mist and moisture.

[0026] Furthermore, a part of the oil mist will enter the sight glass cover pipeline 4, the internal tube 11 of the vent cap and other channels through the oil return hole on the oil baffle plate 2, and another part of the oil mist will reach the vent cap upper cover 7, and after condensation through the baffle ring 9 and the second filter screen 10, it will flow back to the air inlet and finally flow back to the reducer housing.

[0027] Furthermore, the sight hole cover 1 and the handle 3 can be combined to serve as a reducer observation window and a reducer refueling port.

[0028] Furthermore, the sight hole cover 1 and the handle 3 are installed together to ensure a firm connection. The sight hole cover 1 and the handle 3 can be combined to serve as an observation window of the reducer, so that the internal condition of the reducer can be checked at any time, and can also be used as a refueling port of the reducer to facilitate the addition of lubricating oil.

[0029] Furthermore, a one-way valve 13 is provided at the outlet of the vent cap, and is connected to the hose 15 via the connector 14 .

[0030] Furthermore, when the oil mist passes through the inner tube 11 of the vent cap, it will be initially filtered by the first filter 8 to remove impurities, and then the desiccant 12 absorbs moisture in the oil mist.

[0031] Furthermore, the oil storage tank 16 is connected to the main body of the vent cap and is a detachable transparent shell, and the contaminated oil can be discharged through the oil drain valve 17.

[0032] Furthermore, when the internal pressure of the reducer is too high and the oil mist needs to be discharged, the oil mist is discharged through the one-way valve 13 and enters the oil storage tank 16 through the joint 14 and the hose 15 for storage. If the oil in the oil storage tank 16 is contaminated, it can be discharged through the drain valve 17.

[0033] Furthermore, the oil collecting box 5 can collect the oil that may leak and guide it into the oil storage tank 16 through the hose 15 .

[0034] Furthermore, the oil receiving box 5, the vent cap shell 6 and the oil storage tank 16 are all transparent shells, so that the internal conditions can be visually observed.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A reducer vent cap structure that prevents oil leakage and oil mist overflow, characterized in that: include: Sight hole cover, oil baffle, handle, sight hole cover pipeline, oil receiving box, vent cap shell, vent cap upper cover, first filter screen, baffle ring, second filter screen, vent cap internal tube, desiccant, one-way valve, joint, hose, oil storage tank and oil drain valve; The handle is installed on the sight hole cover, and the sight hole cover pipeline is threadedly connected to the internal pipe of the vent cap; the oil baffle is located below the sight hole cover pipeline and is used to prevent gear lubricating oil from splashing into the vent cap; the vent cap shell is arranged outside the internal pipe of the vent cap, and the top of the vent cap shell is the vent cap upper cover; the oil receiving box is arranged on the lower side of the vent cap shell, and is connected to the oil storage tank through the hose; The oil baffle plate is drilled with an oil return hole, which is connected to the sight hole cover pipeline, the internal pipe of the vent cap, the upper cover of the vent cap, the first filter screen, the baffle ring and the second filter screen, so that the oil mist can condense through this path and flow back to the reducer housing; The vent cap upper cover includes a baffle ring and a second filter screen. A portion of the oil mist reaches the vent cap upper cover, condenses and flows back to the air inlet through the baffle ring, and finally flows back to the reducer housing; A first filter screen and a desiccant are arranged inside the vent cap to absorb oil mist and moisture.

2. A reducer vent cap structure for preventing oil leakage and oil mist overflow according to claim 1, characterized in that: The sight hole cover and the handle can be combined to serve as a speed reducer observation window and a speed reducer refueling port.

3. A reducer vent cap structure for preventing oil leakage and oil mist overflow according to claim 1, characterized in that: The outlet of the vent cap is provided with a one-way valve, and is connected to the hose through the joint.

4. A reducer vent cap structure for preventing oil leakage and oil mist overflow according to claim 1, characterized in that: The oil storage tank is connected to the main body of the vent cap and is a detachable transparent shell. The contaminated oil can be discharged through the oil drain valve.

5. The reducer vent cap structure for preventing oil leakage and oil mist overflow according to claim 1, characterized in that: The oil receiving box, the vent cap shell and the oil storage tank are all transparent shells, so the internal conditions can be visually observed.

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