Diesel generator refueling funnel for tunnel
By designing a refueling funnel suitable for diesel generators in tunnels, the problems of low fuel refueling efficiency and electrostatic safety hazards of diesel generators in tunnel power distribution rooms were solved, realizing an efficient and safe fuel refueling process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG EXPRESSWAY ZIBO DEV CO LTD
- Filing Date
- 2025-01-09
- Publication Date
- 2026-04-10
AI Technical Summary
The diesel generator in the tunnel power distribution room has low fuel refueling efficiency, and manual refueling results in high losses and static electricity safety hazards.
Design a refueling funnel comprising a conductive funnel body, an oil filling pipe, an electrostatic discharge device, an anti-overflow seal, and a support base. The funnel releases static electricity through a conductive ring grounded, the sealing sleeve prevents fuel overflow, the exhaust pipe balances air pressure, and the support base stabilizes the funnel.
It improves refueling efficiency, reduces fuel consumption, lowers safety risks, and increases work efficiency.
Smart Images

Figure CN224105545U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of oil filling equipment, especially relates to a tunnel diesel generator oil filling funnel. BACKGROUND
[0002] In addition to the power grid transmission line, a standby diesel generator is arranged in the tunnel distribution room of the tunnel power supply and distribution system to back up power supply, which is used as the backup power supply of the first level load equipment such as emergency lighting, monitoring and smoke exhaust fan. In the case of power failure, the diesel generator starts to supply power to the emergency lighting, monitoring equipment and fan. However, due to the particularity of the geographical location of the tunnel distribution room, it is not convenient to use the fuel filling truck for fuel filling operation, so most of the time, the fuel filling of the generator is still carried out by manually pouring the oil drum. The manual filling method lacks suitable tools, not only the oil filling efficiency is low, the fuel filling process is large, and the static electricity problem is not paid attention to, and there is a safety hazard. CONTENT
[0003] The utility model mainly solves the technical problem in the above background art, and provides a tunnel diesel generator oil filling funnel.
[0004] In order to realize the above purpose, the utility model adopts the following technical scheme, a tunnel diesel generator oil filling funnel, including the funnel body that can conduct electricity, the bottom of funnel body is equipped with the oil injection pipe, the outside of oil injection pipe is equipped with the anti-overflow sealing element, the funnel body is connected with the static electricity release device that grounds.
[0005] As a preferred, the static electricity release device includes a conductive ring fixed on the outer side wall of the upper part of the funnel body, the conductive ring is fixedly connected with a grounding wire, and the other end of the grounding wire is fixed with a grounding device. The static electricity generated on the funnel can be conveniently released to the ground, and the safety in the oil filling process is maximized.
[0006] As a preferred, the anti-overflow sealing element includes a sealing sleeve sleeved on the outside of the oil injection pipe, a plurality of sealing convex rings are arranged on the outer side wall of the sealing sleeve in the vertical direction, and the outer side wall of the sealing convex ring is in contact with the inner wall of the oil injection port of the diesel generator. By arranging the sealing sleeve, and at the same time, a plurality of sealing convex rings are arranged on the outer side wall of the sealing sleeve in the vertical direction, the sealing convex rings are extruded and fitted with the inner wall of the oil injection port to prevent fuel overflow during oil filling.
[0007] As a preferred, a plurality of resistance rings are arranged on the outer side wall of the oil injection pipe in the vertical direction, the sealing sleeve is made of rubber material, which can better prevent leakage between the oil injection pipe and the sealing sleeve, and better prevent the sealing sleeve from falling off.
[0008] As a kind of preferred, sealing sleeve is provided with multiple, the inner hole diameter of each sealing sleeve is equal, the outer diameter of each sealing sleeve is not equal, multiple specifications are formed to adapt to different sizes of oil filling port.
[0009] As a kind of preferred, funnel body is made of stainless steel material, funnel body and oil filling pipe are integrated structure, convenient production and manufacture.
[0010] As a kind of preferred, the inner side wall of oil filling pipe is fixed with exhaust pipe, the bottom of exhaust pipe is below the bottom of oil filling pipe, the top of exhaust pipe is flush with the top of funnel body. Action is to discharge the gas in oil tank during oil filling, to balance the gas pressure inside and outside the oil tank, reduce the oil inlet resistance and improve the oil filling speed. The top of exhaust pipe is flush with the top of funnel body, which better protects the exhaust pipe.
[0011] As a kind of preferred, the lower part of the outer side of the funnel body is provided with a support base for supporting it, and the bottom of the support base is supported at the outer side top of the oil filling port of the diesel generator. The support base fixes the funnel and prevents the funnel from falling due to change of center of gravity or human collision during oil filling.
[0012] As a kind of preferred, the support base is made of hard rubber material, the inner side wall of the top of the support base is provided with a conical supporting surface matched with the outer side wall of the funnel body, the support base and the funnel body are matched more closely, the support base supports the funnel body better, the lower inner side wall of the support base is sleeved on the outer side wall of the oil filling port of the diesel generator, the support base is provided with multiple, the lower inner hole diameter of each support base is not equal, which is suitable for different sizes of oil filling port.
[0013] The utility model has the following beneficial effects:
[0014] It has simple structure, low material cost and low technical difficulty, and is easy to use. It can effectively improve the oil filling efficiency of diesel generator, reduce fuel consumption during fuel filling process, reduce the risk coefficient during fuel filling process and improve the work efficiency of user. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of embodiments or prior art. Obviously, the drawings in the following description are only exemplary, and those skilled in the art can also obtain other implementation drawings according to the provided drawings without creative labor.
[0016] The structure, proportion, size and the like disclosed in the specification are merely used to cooperate with the content disclosed in the specification, for the understanding and reading of those skilled in the art, and are not used to limit the implementation conditions of the utility model, and therefore do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.
[0017] Figure 1 It is a front view structural schematic diagram of the utility model;
[0018] Figure 2 It is a top structural schematic diagram of the funnel body;
[0019] Figure 3 It is Figure 1 It is an enlarged structural schematic diagram of the middle A;
[0020] Legend: 1, funnel body; 2, exhaust pipe; 3, supporting base; 4, oil injection pipe; 5, oil injection port; 6, sealing sleeve; 7, conductive ring; 8, grounding wire; 9, grounding device; 10, resistance ring; 11, sealing convex ring; 12, conical supporting surface. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Embodiment one: as Figure 1 - to Figure 3 The utility model discloses a tunnel diesel generator oil funnel, including the conductive funnel body 1, the bottom of funnel body 1 is equipped with the oil injection pipe 4, the outside of oil injection pipe 4 is equipped with the anti -overflow sealing element, funnel body 1 is connected with the static electricity release device of grounding.
[0023] When working, the oil injection pipe 4 is inserted into the oil injection port 5 of the diesel generator, and then the funnel body 1 is grounded by using the static electricity release device, and then fuel can be added in the funnel body 1. Since the static electricity release device is provided, the static electricity generated during the fueling process can be released to the ground, reducing the possibility of safety accidents caused by static electricity and improving the safety during the fueling process.
[0024] In the second embodiment, the static electricity releasing device includes a conductive ring 7 fixed on the outer side wall of the upper part of the funnel body 1, the conductive ring 7 is fixedly connected with a grounding wire 8, the other end of the grounding wire 8 is fixed with a grounding device 9. The grounding wire 8 is a 25mm² BVR yellow-green grounding soft wire, which is fixed on the conductive ring 7 by bolts according to the electrical safety specification, and the grounding device 9 can use the existing grounding lead-out device or use a grounding conductive metal rod inserted into the ground. The funnel body 1 adopts the structure design of upper cone and lower cylinder, and the whole body is made of 304 stainless steel.
[0025] The anti-overflow seal includes a sealing sleeve 6 sleeved outside the oil filling pipe 4, and a plurality of sealing convex rings 11 are arranged on the outer side wall of the sealing sleeve 6 in the vertical direction, and the outer side wall of the sealing convex ring 11 is in contact with the inner wall of the oil filling port 5 of the diesel generator.
[0026] A plurality of resistance rings 10 are arranged on the outer side wall of the oil filling pipe 4 in the vertical direction, and the sealing sleeve 6 is made of rubber material.
[0027] The sealing sleeve 6 is provided with a plurality of sealing sleeves 6, the inner diameters of each sealing sleeve 6 are equal, and the outer diameters of each sealing sleeve 6 are not equal.
[0028] The funnel body 1 is made of stainless steel, and the funnel body 1 and the oil filling pipe 4 are in an integral structure.
[0029] The exhaust pipe 2 is fixed on the inner side wall of the oil filling pipe 4, the bottom of the exhaust pipe 2 is below the bottom of the oil filling pipe 4, and the top of the exhaust pipe 2 is flush with the top of the funnel body 1. The exhaust pipe 2 functions to discharge the gas in the oil tank during the oil filling process, and to maintain the balance of the gas pressure inside and outside the oil tank.
[0030] The lower part of the funnel body 1 is provided with a support base 3 supporting it, and the bottom of the support base 3 is supported at the outer side top of the oil filling port 5 of the diesel generator.
[0031] The support base 3 is made of hard rubber material, the inner side wall of the top of the support base 3 is provided with a conical supporting surface 12 matched with the outer side wall of the funnel body 1, the lower inner side wall of the support base 3 is sleeved on the outer side wall of the oil filling port 5 of the diesel generator, the support base 3 is provided with a plurality of support bases 3, and the lower inner diameters of each support base 3 are not equal. The support base 3 is not limited to a cylindrical structure, and other structures such as a square structure can be used.
[0032] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A diesel fuel filler funnel for tunnel diesel generators, characterised in that: The application relates to a funnel body (1) which is electrically conductive, the bottom of the funnel body (1) is provided with an oil filling pipe (4), the outer side of the oil filling pipe (4) is provided with an anti-overflow sealing element, and the funnel body (1) is connected with a grounding electrostatic discharge device; The electrostatic discharge device comprises an electrically conductive ring (7) fixed to the outer side wall of the upper part of the funnel body (1), the electrically conductive ring (7) is fixedly connected with a grounding wire (8), and the other end of the grounding wire (8) is fixed with a grounding device (9); The anti-overflow sealing element comprises a sealing sleeve (6) sleeved on the outer side of the oil filling pipe (4), a plurality of sealing convex rings (11) are arranged on the outer side wall of the sealing sleeve (6) in the vertical direction, and the outer side wall of the sealing convex ring (11) is in contact with the inner wall of the oil filling port (5) of the diesel generator.
2. The diesel fueled tunnel generator fueling funnel of claim 1, wherein: A plurality of resistance rings (10) are arranged on the outer side wall of the oil filling pipe (4) in the vertical direction, and the sealing sleeve (6) is made of rubber.
3. The tunneling diesel generator fueling funnel of claim 1, wherein: A plurality of sealing sleeves (6) are arranged, the inner diameters of the sealing sleeves (6) are equal, and the outer diameters of the sealing sleeves (6) are not equal.
4. The diesel fueled tunnel generator fueling funnel of claim 1, wherein: The funnel body (1) is made of stainless steel, and the funnel body (1) and the oil filling pipe (4) are in an integrated structure.
5. The diesel fueled tunnel generator fueling funnel of claim 1, wherein: An exhaust pipe (2) is fixed to the inner side wall of the oil filling pipe (4), the bottom of the exhaust pipe (2) is below the bottom of the oil filling pipe (4), and the top of the exhaust pipe (2) is flush with the top of the funnel body (1).
6. The diesel fueled tunnel generator fueling funnel of claim 1, wherein: The lower part of the outer side of the funnel body (1) is provided with a supporting base (3) for supporting the funnel body (1), and the bottom of the supporting base (3) is supported at the outer side top of the oil filling port (5) of the diesel generator.
7. The diesel fueled tunnel generator fueling funnel of claim 6, wherein: The supporting base (3) is made of hard rubber, the inner side wall of the top of the supporting base (3) is provided with a conical supporting surface (12) matched with the outer side wall of the funnel body (1), the lower inner side wall of the supporting base (3) is sleeved on the outer side wall of the oil filling port (5) of the diesel generator, and a plurality of supporting bases (3) are arranged, and the lower inner diameters of the supporting bases (3) are not equal.