Switching connection device for automatic oil supply assembly

Abstract

The utility model discloses a switching connection device for an automatic oil supply component, which comprises a fuel pump arranged in a shell, an oil tank cover used for sealing an oil tank is arranged at the lower end of the shell, an oil inlet hole communicated with the oil tank is vertically arranged in the fuel pump, and an oil outlet hole communicated with the oil tank is arranged in the shell. The shell is horizontally provided with an oil inlet channel used for being communicated with the upper end of the oil inlet hole, and the other end of the oil inlet channel is provided with an oil inlet nozzle used for being connected with an oil pipe. The fuel tank cover is arranged below the shell, so that the fuel tank cover can be directly mounted at a fuel tank opening like a fuel tank provided with the fuel tank cover, the fuel tank is sealed, and impurities are prevented from entering the fuel tank; and the fuel tank cover is provided with various specifications, and the corresponding fuel tank cover is selected when the fuel tank cover corresponds to different fuel tanks, so that the fuel tank cover can be suitable for the fuel tanks made of various materials and of various types.

Description

Technical Field

[0001] The utility model belongs to the technical field of universal generator sets, and in particular relates to a conversion connection device for an automatic oil supply component. Background Art

[0002] In order to reduce the volume, the oil tanks of household or silent general generators or engines are not large and cannot support long-term continuous power generation. For this reason, automatic oil supply components for generators have emerged. In the prior art, the corresponding automatic oil supply components for various models and materials of oil tanks need to be equipped separately, which cannot be universal. Utility Model Content

[0003] The utility model proposes a conversion connection device for an automatic oil supply component, which can be directly installed on an oil tank and can be directly adapted to various oil tanks by replacing the oil tank cover.

[0004] To this end, the technical solution adopted by the utility model is: a conversion connection device for an automatic oil supply component, including a fuel tank cover arranged at the lower end of the automatic oil supply component, the fuel tank cover is provided with a mounting structure for realizing the installation of the automatic oil supply component on the fuel tank, and the oil inlet end of the automatic oil supply component is provided with an oil inlet nozzle for connecting the oil pipe.

[0005] As a preferred embodiment of the above scheme, the fuel tank cover includes an inner fuel tank cover and an outer fuel tank cover which are arranged inside and outside. A protrusion is arranged downward in the middle of the inner fuel tank cover, and a fuel tank sealing ring is arranged outside the protrusion to ensure the sealing of the fuel tank.

[0006] Further preferably, the mounting structure includes a tank clamping piece which is arranged between the tank inner cover and the tank outer cover and is used to realize the installation of the metal tank, the tank clamping piece is provided with at least one clamping end, the tank inner cover is provided with an extension hole for the clamping end of the tank clamping piece to extend out, and the extension hole is provided on the side of the protrusion.

[0007] Further preferably, the installation structure also includes an adapter disposed below the fuel tank cover and used to achieve installation of different fuel tanks.

[0008] Further preferably, the adapter includes an adapter inner cover and an adapter outer cover which are arranged inside and outside, the upper end of the adapter outer cover is provided with a snap-in flange for snapping into the fuel tank snap-in, and a gap is left between the bottom of the snap-in flange and the upper end of the adapter inner cover, the adapter inner cover is provided with an internal thread for installation at the fuel inlet of the fuel tank, and an adapter sealing ring is provided on the inner side of the adapter inner cover at the upper end of the internal thread.

[0009] Further preferably, the automatic fuel supply assembly includes a shell and a fuel pump arranged in the shell, the fuel pump is vertically provided with an oil inlet hole for communicating with the fuel tank, the shell is horizontally provided with an oil inlet channel for communicating with the upper end of the oil inlet hole, and the oil inlet nozzle is arranged at one end of the oil inlet channel away from the fuel tank.

[0010] Further preferably, a control assembly electrically connected to the fuel pump is disposed in the housing, a sensor assembly capable of extending into the fuel tank to detect the oil level in the fuel tank is disposed in the middle portion below the fuel tank cap, and the sensor assembly is electrically connected to the control assembly.

[0011] Further preferably, an observation channel connected to the top surface of the shell is vertically arranged at one end of the oil inlet channel away from the oil inlet nozzle, and the observation channel is connected to the end of the oil inlet channel away from the oil inlet nozzle, and an observation component for easy observation is arranged in the observation channel.

[0012] Further preferably, the observation assembly includes a transparent observation window arranged at the upper end of the observation channel, and an observation sealing ring is arranged between the observation window and the shell.

[0013] Further preferably, a filter screen is provided at a position where the observation channel is connected to an end of the oil inlet channel away from the oil inlet nozzle.

[0014] The beneficial effects of the utility model are as follows: the automatic oil supply assembly is connected to the oil tank through the oil tank cover, and the automatic oil supply assembly is connected to the oil pipe through the oil inlet nozzle, thereby realizing the connection of the automatic oil supply assembly; since the oil tank cover is directly installed on the oil tank through the mounting structure, the oil tank is sealed to prevent impurities from entering the oil tank; there are multiple mounting structures, and by adopting different mounting structures, the installation of different oil tanks can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional schematic diagram of the utility model Figure 1 .

[0016] Figure 2 A three-dimensional schematic diagram of the utility model Figure 1 .

[0017] Figure 3 It is the front view of the utility model.

[0018] Figure 4 It is a side view of the utility model.

[0019] Figure 5 It is a three-dimensional schematic diagram of the conversion head of the utility model.

[0020] Figure 6 It is the front view of the conversion head in the utility model.

[0021] Figure 7 This is a front view of the conversion head installed at the oil inlet of the oil tank in the utility model.

[0022] Figure markings: housing -1, oil inlet channel -1a, observation channel -1b, fuel pump -2, oil inlet hole -2a, fuel tank cap -3, fuel tank inner cover -3a, fuel tank outer cover -3b, fuel tank sealing ring -3c, fuel inlet nozzle -4, observation window -5, observation sealing ring -6, filter screen -7, adapter -8, adapter inner cover -8a, adapter outer cover -8b, adapter sealing ring -8c, sensor assembly -9, limit column -10, dust cover -11, fuel tank clamp -13. DETAILED DESCRIPTION

[0023] The present invention will be further described below by way of embodiments and in conjunction with the accompanying drawings:

[0024] like Figure 1-Figure 7 As shown, a conversion connection device for an automatic oil supply assembly is mainly composed of a fuel tank cover 3, a fuel inlet nozzle 4 and a mounting structure, wherein the fuel tank cover 3 is arranged at the lower end of the automatic oil supply assembly, and a mounting structure for realizing the automatic oil supply assembly to be mounted on the fuel tank is arranged on the fuel tank cover 3. In order to facilitate the oil supply of the automatic oil supply assembly, an oil inlet nozzle 4 for connecting an oil pipe is arranged at the oil inlet end of the automatic oil supply assembly.

[0025] To facilitate the installation of the fuel tank cover and ensure sealing, the fuel tank cover 3 includes an inner tank cover 3a and an outer tank cover 3b arranged inside and outside. A protrusion is arranged downward in the middle of the inner tank cover 3a, and a fuel tank sealing ring 3c is arranged on the outer sleeve of the protrusion to ensure the sealing of the fuel tank. Of course, a fuel tank sealing ring can also be directly arranged on the bottom surface of the fuel tank cover.

[0026] Since the oil inlet structure of the oil tank has a threaded or clip-on structure, a variety of oil tank caps can be provided for connecting with different oil tanks. The mounting structure at this time is a clip-on structure or a threaded structure provided on the inner cover of the oil tank. The connection between the oil tank cap and different oil tanks can also be achieved by adding a conversion head 8 under the oil tank cap.

[0027] When various fuel tank installations are achieved by adding adapters, the installation structure includes a fuel tank clamp 13 which is arranged between the fuel tank inner cover 3a and the fuel tank outer cover 3b and is used to achieve the installation of the metal fuel tank. At least one clamping end is arranged on the fuel tank clamp 13, and the corresponding fuel tank inner cover 3a is provided with an extension hole for the clamping end on the fuel tank clamp 13 to extend out, and the extension hole is arranged on the side of the protrusion, so that the fuel tank cover can be directly clamped to the fuel tank port of the metal fuel tank through the fuel tank clamp.

[0028] In order to achieve installation when the oil inlet of the oil tank is a threaded structure, the adapter 8 includes an adapter inner cover 8a and an adapter outer cover 8b arranged inside and outside. A clamping flange for the oil tank clamping member 13 to be clamped is arranged inwardly at the upper end of the adapter outer cover 8b, and a gap is left between the bottom of the clamping flange and the upper end of the adapter inner cover 8a. The adapter inner cover 8a is provided with an internal thread for installing the oil inlet of the oil tank, and the internal thread has various specifications to adapt to oil tanks with various thread specifications. At the same time, an adapter sealing ring 8c is provided at the position of the upper end of the internal thread on the inner side of the adapter inner cover 8a.

[0029] Of course, the inner cover of the fuel tank may also be provided with an internal thread, and the corresponding adapter may be provided with a clamping structure, and the adapter and the inner cover of the fuel tank may be connected via threads.

[0030] The present conversion connection device is preferably used in the following automatic fuel supply assembly, that is, the automatic fuel supply assembly includes a shell 1 and a fuel pump 2 arranged in the shell 1. In order to realize the passage of fuel in the automatic fuel supply assembly, an oil inlet hole 2a for communicating with the fuel tank is vertically arranged in the fuel pump 2, and an oil inlet channel 1a for communicating with the upper end of the oil inlet hole 2a is horizontally arranged on the shell 1, and the oil inlet nozzle 4 is arranged at one end of the oil inlet channel 1a away from the fuel tank, and the fuel tank cover is arranged at the lower end of the shell. Preferably, the shell can wrap the outer side of the fuel tank outer cover.

[0031] In order to realize the automatic operation of the automatic oil supply component, a control component is arranged in the housing 1. The control component adopts a control board with information processing function, information receiving function, information sending function and charging function in the prior art. In order to prevent over-fueling, a sensor component 9 that can be inserted into the oil tank to detect the oil level in the oil tank is arranged in the middle below the oil tank cover 3, and the sensor component 9, the fuel pump and the control component are electrically connected. The sensor component can adopt a combination of a reed switch, a high-level sensor and a low-level sensor. At the same time, an indicator light for indicating the oil supply status, a switch button for turning on the entire device and a power port for connecting the control component to a power source are also arranged on the housing.

[0032] Preferably, a limiting column 10 parallel to the oil inlet nozzle is provided on the housing, and a dust cover 11 covering the limiting column and the oil inlet nozzle is provided on the limiting column.

[0033] In order to facilitate the observation of the oil inlet status in the automatic oil supply component, an observation channel 1b connected to the top surface of the shell 1 is vertically arranged at the end of the shell 1 located at the oil inlet channel 1a away from the oil inlet nozzle 4, and the observation channel 1b is connected to the end of the oil inlet channel 1a away from the oil inlet nozzle 4. At the same time, an observation component for easy observation is arranged in the observation channel 1b. Of course, observation components can also be arranged at other positions of the shell 1 oil inlet channel.

[0034] The observation assembly includes a transparent observation window 5 disposed at the upper end of the observation channel 1b, and an observation seal ring 6 is disposed between the observation window 5 and the housing 1. Preferably, the observation window is installed at the upper end of the observation channel 1b by threaded connection, and of course the observation window can also be installed by snap-fitting or other means.

[0035] A filter screen 7 may also be provided at a position where the observation channel 1b is connected to the end of the oil inlet channel 1a away from the oil inlet nozzle 4, so that the fuel entering the fuel tank can be filtered through the filter screen to improve the quality of the fuel entering the fuel tank.

Claims

1. A conversion connection device for an automatic oil supply assembly, characterized in that: The invention comprises an oil tank cover (3) arranged at the lower end of the automatic oil supply component, the oil tank cover (3) is provided with a mounting structure for realizing the installation of the automatic oil supply component on the oil tank, and the oil inlet end of the automatic oil supply component is provided with an oil inlet nozzle (4) for connecting an oil pipe.

2. The conversion connection device for the automatic oil supply assembly according to claim 1, characterized in that: The fuel tank cover (3) comprises a fuel tank inner cover (3a) and a fuel tank outer cover (3b) arranged inside and outside, a protrusion is arranged downward in the middle of the fuel tank inner cover (3a), and a fuel tank sealing ring (3c) is arranged on the outer cover of the protrusion to ensure the sealing of the fuel tank.

3. The conversion connection device for the automatic oil supply assembly according to claim 2, characterized in that: The installation structure comprises a fuel tank clamping piece (13) arranged between a fuel tank inner cover (3a) and a fuel tank outer cover (3b) and used for installing the fuel tank, the fuel tank clamping piece (13) being provided with at least one clamping end, the fuel tank inner cover (3a) being provided with an extension hole for the clamping end on the fuel tank clamping piece (13) to extend out, and the extension hole being provided on a side surface of the protrusion.

4. The conversion connection device for an automatic oil supply assembly according to claim 2 or 3, characterized in that: The installation structure also includes an adapter (8) which is arranged below the fuel tank cover (3) and is used to achieve installation of different fuel tanks.

5. The conversion connection device for the automatic oil supply assembly according to claim 4, characterized in that: The adapter (8) comprises an adapter inner cover (8a) and an adapter outer cover (8b) arranged inside and outside, the upper end of the adapter outer cover (8b) is provided with a clamping flange for clamping the oil tank clamping piece (13) inwardly, and a gap is left between the bottom of the clamping flange and the upper end of the adapter inner cover (8a), the adapter inner cover (8a) is provided with an internal thread for installation at the oil inlet of the oil tank, and an adapter sealing ring (8c) is provided on the inner side of the adapter inner cover (8a) at the position of the upper end of the internal thread.

6. The conversion connection device for an automatic oil supply assembly according to claim 1, characterized in that: The automatic oil supply component comprises a housing (1) and a fuel pump (2) arranged in the housing (1); an oil inlet hole (2a) for communicating with a fuel tank is vertically arranged in the fuel pump (2); an oil inlet passage (1a) for communicating with the upper end of the oil inlet hole (2a) is horizontally arranged on the housing (1); the oil inlet nozzle (4) is arranged at an end of the oil inlet passage (1a) away from the fuel tank; a control component for electrically connecting to the fuel pump (2) is arranged in the housing (1); a sensor component (9) capable of extending into the fuel tank to detect the oil level in the fuel tank is arranged in the middle below the fuel tank cover (3); and the sensor component (9) is electrically connected to the control component.

7. The conversion connection device for an automatic oil supply assembly according to claim 6, characterized in that: The housing (1) is vertically provided with an observation channel (1b) at one end of the oil inlet channel (1a) away from the oil inlet nozzle (4) and connected to the top surface of the housing (1), and the observation channel (1b) is connected to the end of the oil inlet channel (1a) away from the oil inlet nozzle (4), and an observation component for easy observation is arranged in the observation channel (1b).

8. The conversion connection device for an automatic oil supply assembly according to claim 7, characterized in that: The observation assembly comprises a transparent observation window (5) arranged at the upper end of the observation channel (1b), and an observation sealing ring (6) is arranged between the observation window (5) and the housing (1).

9. The conversion connection device for an automatic oil supply assembly according to claim 7, characterized in that: A filter screen (7) is provided at a position where the observation channel (1b) is connected to an end of the oil inlet channel (1a) away from the oil inlet nozzle (4).

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