Novel oil storage barrel fuel pump assembly

Abstract

The utility model provides a novel oil storage barrel fuel oil pump assembly which comprises an oil storage barrel, a fuel oil pump assembly, a fuel oil pump assembly and a fuel oil pump assembly. The oil pump is arranged in the oil storage barrel; the injection unit is arranged at one end of the oil return channel, and the injection unit comprises an oil return connector and an injection nozzle arranged on the oil return connector; and an oil return pipe. According to the oil storage barrel and the fuel oil pump assembly, the injection unit is utilized, when the oil pump operates and the output oil pressure of the oil pump is larger than the needed oil pressure, part of fuel oil flows to the oil return connector through the oil return pipe, then the fuel oil is injected back into the oil storage cavity through the injection head, and therefore the oil storage effect and efficiency of the oil storage barrel are improved; and meanwhile, the fuel oil in the oil storage barrel is always kept at a certain oil level, so that the phenomenon of interrupted oil supply in the climbing process is avoided, and the oil supply effect of the fuel oil pump is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel pump technical field, concretely relates to a novel oil storage bucket fuel pump assembly. BACKGROUND

[0002] Fuel pump belongs to important component in fuel injection system, is often arranged at the bottom of oil tank, mainly plays the fuel in the oil tank is extracted to supply to the engine to make the engine can run stably.

[0003] When the engine runs, the synchronous fuel pump starts, and the fuel pump includes a pump body and an oil outlet nozzle. The fuel in the oil tank is extracted by the pump body and flows out from the oil outlet nozzle to supply to the engine. However, during the climbing process, when the fuel in the oil tank is less, the fuel will accumulate to one side in the oil tank, so that the fuel pump cannot extract enough fuel, which leads to insufficient fuel supply and easy occurrence of engine stall phenomenon, thereby affecting the user's experience. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem of insufficient fuel supply during the climbing process in view of the above problems existing in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model can realize through the following technical scheme: a novel oil storage bucket fuel pump assembly, comprising:

[0006] An oil storage bucket has an oil storage cavity, and a return oil channel is formed in the oil storage cavity;

[0007] An oil pump is arranged in the oil storage bucket;

[0008] A jet unit is arranged at one end of the return oil channel, and the jet unit comprises a return oil connector and a jet nozzle arranged on the return oil connector. The jet nozzle is provided with a jet port facing the oil storage cavity;

[0009] A return oil pipe is matched with the oil pump at one end, and is clamped with the return oil connector at the other end.

[0010] In the utility model embodiment, the end of the return oil channel is rotatably provided with a blocking plate, and the blocking plate is provided with an annular plate for blocking the return oil channel.

[0011] In the utility model embodiment, a limiting groove is formed in the return oil channel, and a rotating shaft is arranged on the blocking plate and located in the limiting groove.

[0012] In the utility model embodiment, a clamping groove is formed in the return oil channel, and a clamping block is arranged on the return oil connector and clamped with the clamping groove.

[0013] The oil return joint is provided with an oil return outlet, and the diameter of the oil return outlet is greater than that of the injection port of the injection nozzle.

[0014] The oil return block is provided with a limiting block.

[0015] The oil storage barrel is provided with a clamping frame, and the oil return pipe is clamped on the clamping frame.

[0016] The oil storage barrel is provided with a full oil groove.

[0017] The oil return channel is provided with an oil hole.

[0018] The oil storage barrel is provided with a top plate above the oil storage barrel, the top plate is provided with an oil outlet pipe, and the oil pump is provided with a pressure regulator in communication with the oil outlet pipe.

[0019] Compared with the prior art, the advantages of the present application are as follows: the injection unit is used, when the oil pump is running, the output oil pressure of the oil pump is greater than the required oil pressure, part of the fuel will flow to the oil return joint through the oil return pipe, and then the fuel is sprayed back to the oil storage cavity through the injection head, so as to improve the oil storage effect and efficiency of the oil storage barrel, and the fuel in the oil storage barrel always maintains a certain oil level, so as to avoid the phenomenon of intermittent oil supply during climbing, and thus improve the oil supply effect of the fuel pump. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a front overall structure schematic view of the oil storage barrel;

[0021] Figure 2 is a partial cross-section internal part assembly structure schematic view of the oil storage barrel;

[0022] Figure 3 is Figure 2 is an enlarged view of A part in the middle;

[0023] Figure 4 is an exploded structure schematic view of the oil storage barrel and the injection unit;

[0024] Figure 5 is a half-section internal part assembly structure schematic view of the oil storage barrel.

[0025] MARKS OF THE DRAWINGS:

[0026] 1, oil storage tank; 11, full oil tank; 12, card frame; 14, pressure regulator; 15, oil return channel; 150, limit groove; 151, oil hole; 152, clamping groove; 16, filter; 17, top plate; 171, oil outlet pipe; 2, oil pump; 3, oil return pipe; 4, injection unit; 41, oil return joint; 42, limiting block; 43, clamping block; 44, injection port; 45, injection nozzle; 46, oil return outlet; 5, blocking plate; 51, rotating shaft; 52, annular plate. DETAILED DESCRIPTION

[0027] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings.

[0028] As shown in the drawings, a novel oil storage tank fuel pump assembly comprises: Figures 1-5

[0029] The oil storage tank 1 has an oil storage cavity, and an oil return channel 15 is formed in the oil storage cavity.

[0030] The oil pump 2 is arranged in the oil storage tank 1.

[0031] The injection unit 4 is arranged at one end of the oil return channel 15, and the injection unit 4 comprises an oil return joint 41 and an injection nozzle 45 arranged on the oil return joint 41, and the injection nozzle 45 is provided with an injection port 44 facing the oil storage cavity.

[0032] The oil return pipe 3 is matched with the oil pump 2 at one end, and is clamped with the oil return joint 41 at the other end.

[0033] Specifically, the oil pump 2 is clamped in the oil storage tank 1, and when the vehicle climbs, the oil storage cavity will store a certain amount of fuel in advance to be extracted by the oil pump 2 and supplied to the fuel system, and after the climbing is completed, the oil tank will continue to be refueled to reduce the phenomenon of intermittent fuel supply. In these two environmental conditions, when the output oil pressure of the oil pump 2 is too high, a certain amount of fuel will be discharged to reduce the pressure, and the discharged fuel will flow to the oil return joint 41 through the oil return pipe 3, and then be sprayed into the oil storage tank 1 from the injection head, thereby improving the efficiency and effect of oil storage.

[0034] As a further embodiment of the present application, the end of the oil return channel 15 is rotatably provided with a blocking plate 5, and the blocking plate 5 is provided with an annular plate 52 for blocking the oil return channel 15. The annular plate 52 can be a rubber plate, which abuts against the oil return channel 15 to prevent the fuel in the oil storage tank 1 from flowing out of the oil return channel 15. Further, the end of the oil pump 2 is provided with a filter 16, which is located at the oil outlet of the oil return channel 15. The blocking plate 5 reduces the injection pressure of the injection nozzle 45 and reduces the damage to the filter during fuel injection.

[0035] ​As a further provided embodiment of the utility model, the oil return channel 15 is provided with a limiting groove 150, the blocking plate 5 is provided with a rotating shaft 51 rotating in the limiting groove 150, the rotating shaft 51 can rotate in the limiting groove 150, corresponding to the overturning of the blocking plate 5, and the slot of the limiting groove 150 is arranged to prevent the rotating shaft 51 from rotating deviated and disengaging.

[0036] As a further provided embodiment of the utility model, the oil return channel 15 is provided with a clamping groove 152, the oil return joint 41 is provided with a clamping block 43, the clamping block 43 is clamped with the clamping groove 152, the oil return joint 41 is fixed to the end of the oil return channel 15 through the clamping block 43, that is, the oil inlet of the oil return channel 15 (as shown in the figure), and the oil return channel 15 is tapered, the flow channel from the oil inlet to the oil outlet is changed from large to small, so as to improve the flow effect of the fuel and make the fuel better enter the fuel cavity. Figure 4

[0037] As a further provided embodiment of the utility model, the oil return joint 41 is provided with an oil return outlet 46, the diameter of the oil return outlet 46 is larger than that of the injection port 44 of the injection nozzle 45, when the fuel of the oil return joint 41 enters the channel of the injection nozzle 45, the flow channel is changed from large to small, so that the fuel has a certain pressure and is injected on the blocking plate 5, so that the blocking plate 5 overturns to supply oil to the oil storage bucket 1.

[0038] As a further provided embodiment of the utility model, the oil return joint 41 is provided with a limiting block 42, the installation depth of the oil return pipe 3 is limited through the limiting block 42, the connection effect of the oil return pipe 3 and the oil return joint 41 is improved, and the disassembly and assembly of the oil return pipe 3 are facilitated.

[0039] As a further provided embodiment of the utility model, the oil storage bucket 1 is provided with a clamping frame 12, the oil return pipe 3 is clamped on the clamping frame 12, the clamping frame 12 limits the oil return pipe 3, so that the oil return pipe 3 is fixed and the stability in the oil return process is improved.

[0040] As a further provided embodiment of the utility model, the oil storage bucket 1 is provided with a full oil groove 11, when the fuel level in the oil storage bucket 1 reaches a certain position, too much fuel will flow back to the oil tank from the full oil groove 11, so as to avoid the phenomenon of excessive oil storage.

[0041] As a further provided embodiment of the utility model, the oil return channel 15 is provided with an oil hole 151, when the oil level in the oil storage cavity is too high, the fuel will give the blocking plate 5 a certain pressure, so that it is attached to the oil return channel 15, at this time, the injection force of the oil return is smaller than the attachment force of the blocking plate 5, the fuel in the oil return channel 15 will flow back to the bottom of the oil tank from the oil hole 151, so as to avoid the problem of excessive fuel in the oil storage bucket 1.

[0042] ​As the further provided embodiment of the utility model, the top plate 17 is arranged above the oil storage barrel 1, the oil outlet pipe 171 is arranged on the top plate 17, the pressure regulator 14 is arranged on the oil pump 2 and is communicated with the oil outlet pipe 171, the top plate 17 is installed outside the oil tank, the controller and the oil storage pipe on the top plate 17 are exposed to the oil tank, the support rod (as shown, and the figure is not marked) is arranged between the top plate 17 and the oil storage barrel 1 to support the oil storage barrel 1 to be placed at the bottom of the oil tank, and then the oil pump 2 can better suck and supply oil. Figure 5 The above technical scheme of the utility model provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the application are the same as or can be realized by the prior art, and will not be described again.

[0043] The above technical scheme of the utility model provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the application are the same as or can be realized by the prior art, and will not be described again.

[0044] The above technical scheme of the utility model provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the application are the same as or can be realized by the prior art, and will not be described again.

Claims

1. A new and improved fuel pump assembly for oil tanks characterized in that, The application relates to a fuel tank, which comprises: a fuel tank with a fuel storage cavity, wherein an oil return channel is arranged in the fuel storage cavity, the oil return channel comprises an oil inlet and an oil outlet, and the oil return channel is tapered, and the flow channel from the oil inlet to the oil outlet is gradually reduced; an oil pump arranged in the fuel tank; a spraying unit arranged at one end of the oil return channel, wherein the spraying unit comprises an oil return connector and a spraying nozzle arranged on the oil return connector, and the spraying nozzle is provided with a spraying port facing the fuel storage cavity; an oil return pipe, one end of which is matched with the oil pump, and the other end of which is clamped with the oil return connector; an end of the oil return channel is rotationally provided with a baffle, and the baffle is provided with an annular plate for blocking the oil return channel; a limiting groove is arranged on the oil return channel, and a rotating shaft is arranged on the baffle and located in the limiting groove.

2. A new type of fuel pump assembly for oil tank according to claim 1, characterized in that, A clamping groove is arranged on the oil return channel, and a clamping block is arranged on the oil return connector, and the clamping block is clamped with the clamping groove.

3. A new type of fuel pump assembly for oil tank according to claim 1, characterized in that, An oil return outlet is arranged on the oil return connector, and the diameter of the oil return outlet is larger than that of the spraying port of the spraying nozzle.

4. A new type of fuel pump assembly for oil tank according to claim 1, characterized in that, A limiting block is arranged on the oil return connector.

5. A new type of fuel pump assembly for oil tank according to claim 1, characterized in that, A clamping frame is arranged on the fuel tank, and the oil return pipe is clamped on the clamping frame.

6. A new type of fuel pump assembly for oil tank according to claim 1, characterized in that, A full oil groove is arranged on the fuel tank.

7. A new type of fuel pump assembly for oil tank according to claim 1, characterized in that, An oil hole is arranged on the oil return channel.

8. A new type of fuel pump assembly for oil tank according to claim 1, characterized in that, A top plate is arranged above the fuel tank, the top plate is provided with an oil outlet pipe, and a pressure regulator is arranged on the oil pump and communicated with the oil outlet pipe.

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