Engine oil supplementing and discharging system of generator set

By combining the inverted L-shaped adjusting bracket and locking bolt structure, the problem of inconvenient adjustment of the liquid level holder height in the existing technology is solved, which improves the flexibility and versatility of the generator set oil replenishment and drainage system, simplifies the sewage discharge operation, and saves costs.

CN223923114UActive Publication Date: 2026-02-17SHANDONG YANGDE TECH CO LTD
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Patent Information

Application Number
CN202520733840.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-02-17
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

The existing generator set oil replenishment and drainage system has a level holder that is not easy to adjust freely according to the oil tank model or actual working conditions, resulting in poor flexibility and versatility.

Method used

The system adopts an inverted L-shaped adjusting bracket and locking bolt structure. The height of the liquid level holder can be adjusted by a combination of sliding groove and slider. A three-way valve is installed at the drain port of the oil tank to prevent the oil replenishment device from occupying the drain port.

Benefits of technology

It enables flexible adjustment of the liquid level holder, making it suitable for oil tanks of different heights and models, improving the system's versatility and flexibility of use, while simplifying the sewage discharge operation and saving economic costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223923114U_ABST
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Abstract

The utility model discloses an engine oil supplementing and discharging system of a generator set. The engine oil supplementing and discharging system comprises an external engine oil tank, a liquid level retainer, a first sealing connector, a second sealing connector and an adjusting support. The liquid level retainer is hermetically communicated with the external engine oil tank through an oil inlet pipeline; the liquid level retainer is communicated with the first sealing connector through an oil supplementing pipeline; the ventilation end of the liquid level retainer is communicated with the second sealing connector through a ventilation pipeline, the adjusting support is hung and fixed to the generator oil tank, a sliding block is arranged on the adjusting support in a sliding mode, and the rear side of the liquid level retainer is fixed to the sliding block through a fixing plate; by arranging the adjusting support, the adjusting support is fixed to the oil tank, then the locking device can be loosened, the liquid level retainer can be adjusted in an up-down sliding mode according to the liquid level condition of the oil tank, then the locking device is locked, the sliding block is locked and fixed to the height adjusting position of the sliding groove, and using is more flexible; and the oil tank fixing device is suitable for fixing oil tanks of different heights and models, high in universality and capable of saving economic cost.
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Description

Technical Field

[0001] This utility model belongs to the field of oil replenishment and drainage technology, and in particular relates to an oil replenishment and drainage system for generator sets. Background Technology

[0002] Generator sets (especially diesel generator sets) generally have a limited capacity of engine oil. A small amount of oil is consumed during operation, and if not replenished in time, it will shorten the generator set's lifespan and cause losses to the company's assets. Currently, to improve automation, generator sets are equipped with automatic oil replenishment systems. Regarding such systems, a search reveals that Chinese utility model patent CN204082258U discloses a mechanical automatic oil replenishment system for generator sets. Figure 1 As shown, it mainly includes an external oil tank a, a level holder b, a first sealing connector c, and a second sealing connector d; the oil inlet of the level holder b is sealed to the external oil tank a via an oil inlet pipe e; the oil outlet of the level holder b is connected to the first sealing connector c via a replenishment pipe f, and the first sealing connector c is used to seal to the drain port of the generator's oil pan to replenish the generator with engine oil through the drain port; the vent of the level holder b is connected to the second sealing connector d via a vent pipe g, and the second sealing connector d is used to seal to the generator's oil filler port to ensure that the air pressure inside the level holder b is consistent with the air pressure in the upper space of the engine oil in the generator; the installation height of the level holder b is such that the horizontal center line of the level holder b is located between the generator's minimum oil control scale and the maximum oil control scale.

[0003] In the prior art, a generator set oil replenishment system with similar technical solutions has been found to have shortcomings in actual implementation: when setting up the level holder, the height is not easily adjustable according to the model of the oil tank or the actual working conditions, so it is not convenient to adjust the replenishment height according to the oil tank, resulting in poor flexibility and versatility. Utility Model Content

[0004] In view of the shortcomings and defects in the existing technology, the purpose of this utility model is to provide a generator set oil replenishment and drainage system, which solves the problem that the height of the oil level holder in the existing generator set oil replenishment and drainage system is not convenient to adjust freely according to the oil tank model or actual working conditions, thus making it inconvenient to adjust the replenishment height according to the oil tank, and resulting in poor flexibility and versatility.

[0005] In order to solve the above technical problems, the utility model discloses the following technical scheme: A generator set oil supplementing and discharging system, including external machine oil tank, liquid level maintainer, first sealed connector and second sealed connector, the oil inlet of liquid level maintainer is sealed with external machine oil tank through oil inlet pipeline, the oil outlet of liquid level maintainer is communicated with first sealed connector through oil supplementing pipeline, and first sealed connector is used to be sealed with the blowdown of oil pan of generator to supplement the machine oil to generator through blowdown, the air vent of liquid level maintainer is communicated with second sealed connector through vent pipeline, and second sealed connector is used to be sealed with the oil adding port of generator, still include inverted L-shaped adjusting support, the adjusting support is hung and is fixed on generator oil tank, be equipped with sliding slot on the adjusting support, be equipped with sliding block on the sliding slot, the sliding block is fixed in sliding slot through locking device, the rear side of liquid level maintainer is fixed on sliding block through fixed plate, and oil supplementing pipeline includes oil supplementing fixed pipe and oil supplementing flexible bellows, and vent pipeline includes vent fixed pipe and vent flexible bellows.

[0006] As a further improvement of the utility model, the blowdown of the oil pan of the generator is connected with a tee valve, one end of the tee valve is communicated with the blowdown of the generator oil tank, the other end is communicated with the first sealed connector, and the remaining end is connected with a locking cap.

[0007] As a further improvement of the utility model, the locking device includes a locking bolt, the locking bolt is threadedly connected to the sliding block, and the rear end of the locking bolt penetrates through the sliding block and abuts against the bottom surface of the sliding slot.

[0008] As a further improvement of the utility model, the bottom surface of the sliding slot is fixed with a rubber strip, and the end of the locking bolt is in contact with the rubber strip.

[0009] As a further improvement of the utility model, the oil inlet pipeline includes an oil inlet fixed pipe and an oil inlet flexible bellows.

[0010] As a further improvement of the utility model, the height of the oil outlet of the external machine oil tank is higher than the height of the oil inlet port of the liquid level maintainer.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. By setting the adjusting support, the adjusting support is fixed on the oil tank, then the locking device can be loosened, the liquid level maintainer can be slid up and down according to the liquid level of the oil tank, then the locking device is locked, and the sliding block is locked and fixed at the adjusting height of the sliding slot, which is more flexible to use, can be suitable for fixing oil tanks of different heights, has strong universality, and saves economic cost.

[0013] In addition, by arranging the three-way valve on the oil tank blowdown port, during blowdown, the other end of the three-way valve is removed, and the locking cap is removed, thereby avoiding the problem that the oil supplementing device occupies the blowdown port, and the oil supplementing device needs to be removed during blowdown, and the oil supplementing device needs to be installed again after blowdown, thereby causing inconvenience caused by repeated disassembly and assembly.

[0014] 2. By arranging the locking device as a locking bolt, the locking bolt can be screwed on the sliding groove to fix the sliding block at a corresponding height of the sliding groove, and the rubber strip fixed on the bottom surface of the sliding groove increases the anti-skid property, thereby increasing the fastening effect of the locking bolt on the sliding block.

[0015] 3. By arranging the oil outlet of the external oil tank to be higher than the height of the oil inlet port of the liquid level maintainer, the oil supplementing device can be realized without a pump body. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described below in combination with the drawings:

[0017] Figure 1 It is a structural schematic view of the prior art;

[0018] Figure 2 It is a structural schematic view of the utility model;

[0019] Figure 3 It is a side view of Figure 2

[0020] In the drawings: 1, external oil tank; 2, liquid level maintainer; 3, first sealing connector; 4, second sealing connector; 5, oil inlet pipeline; 51, oil inlet fixed pipe; 52, oil inlet flexible bellows; 6, oil supplementing pipeline; 61, oil supplementing fixed pipe; 62, oil supplementing flexible bellows; 7, air vent pipeline; 71, air vent fixed pipe; 72, air vent flexible bellows; 8, oil adding port; 9, adjusting support; 10, sliding groove; 11, sliding block; 12, fixed plate; 13, three-way valve; 14, locking cap; 15, locking bolt; 16, rubber strip. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings: Figures 2-3 The utility model will be further described below in combination with the drawings:

[0022] In order to facilitate description, the coordinate system is defined as shown in the figure, and the left-right direction is transverse, the front-rear direction is longitudinal, and the up-down direction is vertical. Figure 2

[0023] ​​The utility model discloses an engine set oil supplementing and discharging system, refer to Figure 2 And Figure 3 An engine set oil supplementing and discharging system, comprising an external oil tank 1, a liquid level maintainer 2, a first sealing connector 3 and a second sealing connector 4; the oil inlet end of the liquid level maintainer 2 is in sealing communication with the external oil tank 1 through an oil inlet pipeline 5; the height of the oil outlet of the external oil tank 1 is higher than the height of the oil inlet port of the liquid level maintainer 2; therefore, without a pump body, unpowered oil supplementing can be realized.

[0024] The oil inlet pipeline 5 comprises an oil inlet fixed pipe 51 and an oil inlet telescopic corrugated pipe 52, and the oil inlet fixed pipe 51 and the oil inlet telescopic corrugated pipe 52 are fixedly connected, so as to adjust the length of the oil inlet pipeline 5 to a certain extent. The oil outlet end of the liquid level maintainer 2 is in communication with the first sealing connector 3 through an oil supplementing pipeline 6, and the first sealing connector 3 is used for being in sealing communication with the blowdown port of the oil pan of the generator to supplement the oil of the generator through the blowdown port; the air passage end of the liquid level maintainer 2 is in communication with the second sealing connector 4 through an air passage pipeline 7, and the second sealing connector 4 is used for being in sealing communication with the oil adding port 8 of the generator. The external oil tank 1, the liquid level maintainer 2, the first sealing connector 3 and the second sealing connector 4 are the same as the prior art. The air pressure in the liquid level maintainer 2 is consistent with the air pressure in the upper space of the oil in the generator; the installation height of the liquid level maintainer 2 is such that the oil level horizontal center line of the liquid level maintainer 2 is located between the lowest control scale and the highest control scale of the oil of the generator.

[0025] The embodiment also comprises an inverted L-shaped adjusting support 9, which is hung and fixed on the generator oil tank, for example, can be locked by bolts or directly welded on the generator oil tank, and a sliding groove 10 is arranged on the adjusting support 9; the cross-sectional shape of the sliding groove 10 is T-shaped; a sliding block 11 is arranged on the sliding groove 10 and can slide up and down; the sliding block 11 is fixed in the sliding groove 10 through a locking device; the rear side of the liquid level maintainer 2 is fixed on the sliding block 11 through a fixed plate 12; the fixed plate 12 and the sliding block 11 are weldedly connected; the liquid level maintainer 2 is bolted or welded on the fixed plate 12;

[0026] The oil supplementing pipeline 6 comprises an oil supplementing fixed pipe 61 and an oil supplementing telescopic corrugated pipe 62; the air passage pipeline 7 comprises an air passage fixed pipe 71 and an air passage telescopic corrugated pipe 72; a tee valve 13 is arranged on the blowdown port of the oil pan of the generator; one end of the tee valve 13 is in communication with the blowdown port of the generator oil tank, the other end is in communication with the first sealing connector 3, and the remaining end is connected with a locking cap 14.

[0027] In the embodiment, the locking device comprises a locking bolt 15, which is screwed on the sliding block 11, and the rear end of the locking bolt 15 penetrates through the sliding block 11 and abuts against the bottom surface of the sliding groove 10; in addition, the bottom surface of the sliding groove 10 is fixed with a rubber strip 16, and the end of the locking bolt 15 is in contact with the rubber strip 16; therefore, by screwing the locking bolt 15, the locking bolt 15 can be pressed against the sliding groove 10, so as to fix the sliding block 11 at the corresponding height of the sliding groove 10; in addition, the rubber strip 16 is fixed on the bottom surface of the sliding groove 10, which increases the anti-skid property, thereby increasing the fastening effect of the locking bolt 15 on the sliding block 11.

[0028] The utility model discloses a regulating support 9 is set up, and regulating support 9 is fixed on the oil tank, then can release locking device, can according to the oil level of oil tank itself, slide up and down and adjust liquid level retainer 2, then lock locking device again, and the sliding block 11 is locked and fixed at the adjusting height on the sliding groove 10, and the use is more flexible, can be suitable for the fixing of different height type oil tank, and the universality is stronger, and the economic cost is saved.

[0029] In addition, by setting the three-way pipe valve on the blowdown port of the oil tank, when blowdown, the locking cap 14 of the other port of the three-way pipe valve is removed, and the blowdown can be carried out, avoiding the problem that the oil supplementing device occupies the blowdown port in the prior art, and the oil supplementing device needs to be removed when blowdown, and after the blowdown is completed, the oil supplementing device is installed again, which causes the trouble and inconvenience caused by back and forth disassembly.

[0030] In the description of the utility model, it is necessary to explain that, unless there is definite provision and limitation, the terms "installation", "connection", "connection" should be understood broadly, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances. It should be understood that the specific embodiments described herein are only for understanding the utility model, and are not used to limit the utility model, all other embodiments obtained by ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

Claims

1. A generator set oil replenishing system, comprising an external oil tank, a liquid level maintainer, a first sealed connector and a second sealed connector; an oil inlet end of the liquid level maintainer is in sealed communication with the external oil tank through an oil inlet pipeline; an oil outlet end of the liquid level maintainer is in communication with the first sealed connector through an oil replenishing pipeline, the first sealed connector is used for being in sealed communication with a blowby opening of an oil pan of the generator to replenish oil to the generator through the blowby opening; and a breather end of the liquid level maintainer is in communication with the second sealed connector through a breather pipeline, the second sealed connector is used for being in sealed communication with an oil filling opening of the generator, characterized in that: The adjusting support is in the shape of inverted L, is hung and fixed on the oil tank of the generator, and is provided with a sliding groove.

2. The oil scavenging system for a generator set according to claim 1, wherein: A three-way pipe valve is connected to the oil drain of the oil pan of the generator, one end of the three-way pipe valve is communicated with the oil drain of the oil tank of the generator, the other end is communicated with the first sealing connector, and the remaining end is connected with a locking cap.

3. The oil scavenging system for a generator set according to claim 1, wherein: The locking device comprises a locking bolt, the locking bolt is threadedly connected to the sliding block, and the rear end of the locking bolt penetrates through the sliding block and abuts against the bottom surface of the sliding groove.

4. The oil scavenging system for a generator set according to claim 3, wherein: The bottom surface of the sliding groove is fixed with a rubber strip, and the end of the locking bolt is in contact with the rubber strip.

5. The generator set oil scavenging system of claim 1, wherein: The oil inlet pipeline comprises an oil inlet fixed pipe and an oil inlet telescopic corrugated pipe.

6. The generator set oil scavenge system of claim 1, wherein: The height of the oil outlet of the external oil tank is higher than the height of the oil inlet port of the liquid level holder.

Citation Information

Patent Citations

  • Generator unit mechanical automatic machine oil supplementing system and diesel generator unit

    CN204082258U