Oil filling port structure of mute frequency conversion unit

Abstract

The utility model relates to the technical field of oil filling port structures, and discloses a mute frequency conversion unit oil filling port structure which comprises a mute frequency conversion unit shell, an opening is reserved in the mute frequency conversion unit shell, an oil tank body is fixedly installed in the mute frequency conversion unit shell, an oil filling pipe is fixedly connected to the oil tank body, and the oil filling pipe is fixedly connected to the oil tank body. The oil filling pipe penetrates through the opening, a rubber part is fixedly connected between the bottom of the oil filling pipe and the mute frequency conversion unit shell, an external thread is arranged on the outer surface of the oil filling pipe, a fixing nut is in threaded connection with the external thread, and an oil tank cover body is in threaded connection with the top of the oil filling pipe; and a drainage inclined plane is arranged on the mute frequency conversion unit shell close to the oil filling pipe. According to the utility model, through the arrangement of the rubber part and the fixing nut, a certain buffering effect can be provided, and the service life of the oil filling pipe is prolonged; a unique oil filling port fixing structure is arranged, fuel oil leakage can be prevented in a closed state, the production process is simplified, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of oil filling port structures, in particular to an oil filling port structure for a silent variable-frequency unit. Background Art

[0002] A silent variable-frequency unit is a power supply device that combines variable-frequency technology and noise reduction design, mainly used to provide quieter and more efficient power support. An oil filling port is provided on the silent variable-frequency unit.

[0003] In the existing technology, the oil filling port structure includes an oil filling pipe and an oil pipe cover. The oil pipe cover is threadedly connected to the oil filling pipe. The bottom of the oil filling pipe is prone to pits due to stress concentration, affecting the service life of the oil filling pipe and being inconvenient to use. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose an oil filling port structure for a silent variable-frequency unit. By setting rubber parts and fixing nuts, a certain buffering effect can be provided, improving the service life of the oil filling pipe; having a unique oil filling port fixing structure, capable of preventing fuel leakage in the closed state, simplifying the production process and reducing costs.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An oil filling port structure for a silent variable-frequency unit, including a silent variable-frequency unit housing, an opening is reserved on the silent variable-frequency unit housing, a fuel tank box body is fixedly installed in the silent variable-frequency unit housing, an oil filling pipe is fixedly connected to the fuel tank box body, the oil filling pipe passes through the opening, and a rubber part is fixedly connected between the bottom and the silent variable-frequency unit housing. An external thread is provided on the outer surface of the oil filling pipe, a fixing nut is threadedly connected to the external thread, a fuel tank cover body is threadedly connected to the top of the oil filling pipe, and a drainage slope is provided on the silent variable-frequency unit housing near the oil filling pipe. By setting rubber parts and fixing nuts, a certain buffering effect can be provided, improving the service life of the oil filling pipe; having a unique oil filling port fixing structure, capable of preventing fuel leakage in the closed state, simplifying the production process and reducing costs.

[0006] Further, the rubber part is in a circular ring shape and can wrap the opening on the silent variable-frequency unit housing.

[0007] Further, the fixing nut is located above the rubber part.

[0008] The utility model has the following beneficial effects:

[0009] A kind of oil filling port structure of a silent variable-frequency unit proposed by the utility model can provide a certain buffering effect through the arranged rubber parts and fixing nuts, improve the service life of the oil injection pipe; has a unique oil filling port fixing structure, can prevent fuel leakage in the closed state, simplifies the production process and reduces costs. Description of the Drawings

[0010] Figure 1 It is a schematic structural diagram of the utility model;

[0011] Figure 2 It is a top view of the utility model;

[0012] Figure 3 It is a sectional view taken along the line A-A of the utility model;

[0013] Figure 4 It is an enlarged view of part B of the utility model.

[0014] Legend Explanation:

[0015] 1. Shell of the silent variable-frequency unit; 2. Fuel tank cover body; 201. Fixing nut; 202. Rubber part; 203. Drainage slope; 204. Fuel tank body. Detailed Implementation Manner

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0017] Refer to Figures 1 - 3, an embodiment provided by the present utility model: an oil filling port structure of a silent variable frequency unit, including a silent variable frequency unit housing 1, an opening is reserved on the silent variable frequency unit housing 1, a fuel tank box body 204 is fixedly installed inside the silent variable frequency unit housing 1, a fuel injection pipe is fixedly connected to the fuel tank box body 204, the fuel injection pipe passes through the opening, and a rubber part 202 is fixedly connected between the bottom and the silent variable frequency unit housing 1. The rubber part 202 is in a circular ring shape and can wrap the opening on the silent variable frequency unit housing 1. An external thread is provided on the outer surface of the fuel injection pipe, and a fixing nut 201 is threadedly connected to the external thread. The fixing nut 201 is located above the rubber part 202. The top of the fuel injection pipe is threadedly connected to a fuel tank cover body 2. A drainage slope 203 is provided near the fuel injection pipe on the silent variable frequency unit housing 1. The drainage slope 203 facilitates the discharge of excess fuel or rainwater. By turning the fixing nut 201, pressure can be applied to the rubber part 202 to ensure good sealing between the fuel injection pipe and the silent variable frequency unit housing 1, and the rubber part 202 can provide a certain buffering effect to improve the service life of the fuel injection pipe. By turning the fuel tank cover body 2, the fuel injection pipe can be closed, which has the function of preventing fuel leakage.

[0018] By providing the rubber part 202 and the fixing nut 201, a certain buffering effect can be provided to improve the service life of the fuel injection pipe; it has a unique oil filling port fixing structure and can prevent fuel leakage in the closed state, simplifies the production process, and reduces costs.

[0019] Working principle: By turning the fixing nut 201, pressure can be applied to the rubber part 202 to ensure good sealing between the fuel injection pipe and the silent variable frequency unit housing 1, and the rubber part 202 can provide a certain buffering effect to improve the service life of the fuel injection pipe. By turning the fuel tank cover body 2, the fuel injection pipe can be closed, which has the function of preventing fuel leakage.

[0020] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A silent variable frequency unit oil filling port structure, comprising a silent variable frequency unit housing (1), characterized in that: An opening is reserved on the silent frequency conversion unit housing (1), an oil tank body (204) is fixedly installed in the silent frequency conversion unit housing (1), an oil filling pipe is fixedly connected to the oil tank body (204), the oil filling pipe passes through the opening, and a rubber part (202) is fixedly connected between the bottom and the silent frequency conversion unit housing (1), an external thread is provided on the outer surface of the oil filling pipe, a fixing nut (201) is threadedly connected to the external thread, the top of the oil filling pipe is threadedly connected to the oil tank cover body (2), and a drainage slope (203) is provided near the oil filling pipe on the silent frequency conversion unit housing (1).

2. The oil filling port structure of a silent frequency conversion unit according to claim 1 is characterized in that: The rubber part (202) is in the shape of a ring and is capable of wrapping around an opening on the casing (1) of the silent frequency conversion unit.

3. The oil filling port structure of a silent frequency conversion unit according to claim 1 is characterized in that: The fixing nut (201) is located above the rubber component (202).

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