Double-channel motorcycle fuel pump assembly

Abstract

The utility model relates to the technical field of fuel pumps, and discloses a double-channel motorcycle fuel pump assembly which comprises a main body pipe, a sealing sleeve is fixedly installed at the top of the main body pipe, a first oil inlet pipe is fixedly installed on one side of the main body pipe, and a second oil inlet pipe is arranged at the bottom of the first oil inlet pipe and located on the surface of the main body pipe. Connecting flanges are arranged at the outer ends of the first oil inlet pipe and the second oil inlet pipe; a standby oil port is formed in the top of the first oil inlet pipe; a double-channel oil supply structure is integrated through the main body pipe, the first oil inlet pipe and the second oil inlet pipe form a redundant oil supply path, double-channel sealing connection is achieved in combination with the connecting flange, fuel oil can be conveyed synchronously, pressure can be balanced, the standby oil port is matched with the plug block to provide an emergency oil supply connector, and double-channel collaborative pressurization under the high-load working condition is ensured; the problem of engine power fluctuation caused by insufficient oil supply pressure of a single oil way is solved, and the fuel supply stability and the complex road condition adaptability are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel pump technical field more specifically, the utility model relates to two passageway motorcycle fuel pump assembly. BACKGROUND

[0002] Traditional motorcycle fuel pump generally adopts single passageway oil supply structure, and the following problems usually exist, uneven oil supply, under high load working condition (such as sudden acceleration, climbing), single oil path will appear oil supply pressure deficiency, leading to engine power fluctuation or even flameout, serious heat attenuation: after long time operation, fuel pump motor overheating.

[0003] Such as the publication (announcement) number CN216241016U's one straight extraction type motorcycle external fuel pump assembly structure, including casing, upper cover, fuel pump, constant pressure valve, the fuel pump is equipped with oil inlet column, oil outlet column, exhaust port, the casing is equipped with pump body installation cavity, constant pressure valve installation cavity, the upper cover is equipped with oil outlet installation shaft hole, oil outlet pipeline, its characterized in that: the constant pressure valve installation cavity and pump body installation cavity between are equipped with constant pressure fuel flow passageway, the casing bottom is equipped with oil inlet pipeline, oil return pipeline, the oil return pipeline and exhaust port position correspond, the pump body installation cavity bottom is equipped with oil inlet installation shaft hole, the oil inlet column is connected with oil inlet pipeline, the oil outlet column is connected with oil outlet pipeline, the upper cover is equipped with oil return passageway.The utility model has the beneficial effects that: provide one straight extraction type motorcycle external fuel pump assembly structure, solve the problem that the casing is full of fuel and is easy to burst, improve the structure, reduce the overall structure burden.

[0004] But according to the working principle proposed in the above patent, the applicant thinks that the above device can reduce the burden to a certain extent, but in actual use, traditional motorcycle fuel pump generally adopts single passageway oil supply structure, and the oil supply is uneven, under high load working condition (such as sudden acceleration, climbing), single oil path will appear oil supply pressure deficiency, leading to engine power fluctuation or even flameout. UTILITY MODEL CONTENTS

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a two passageway motorcycle fuel pump assembly, which has a double-channel oil supply structure and enhances the oil supply efficiency.

[0006] To achieve the above object, the utility model provides the following technical scheme: a two passageway motorcycle fuel pump assembly, comprising a main pipe, a sealing sleeve pipe is fixedly installed at the top of the main pipe, a first oil inlet pipe is fixedly installed on one side of the main pipe, a second oil inlet pipe is arranged at the bottom of the first oil inlet pipe and on the surface of the main pipe, a connecting flange is arranged at the outer end of the first oil inlet pipe and the second oil inlet pipe, a standby oil port is formed at the top of the first oil inlet pipe, and a plug is arranged at the inlet of the standby oil port.

[0007] As a preferred technical scheme of the utility model, the inner side of the sealing sleeve pipe and the top of the main pipe are fixedly installed with a control motor, and the bottom of the control motor is movably installed with an output pipe.

[0008] As a preferred technical scheme of the utility model, the upper part of the surface of the output pipe and the inner side of the sealing sleeve pipe are movably connected with a cover pipe, and the surface of the cover pipe is provided with an oil inlet.

[0009] As a preferred technical scheme of the utility model, the bottom end of the output pipe is fixedly connected with a circular toothed plate, the control motor drives the rotation of the circular toothed plate half shaft, and the outer side of the circular toothed plate is meshedly connected with a toothed cross rod.

[0010] As a preferred technical scheme of the utility model, the toothed cross rod is movably installed on the inner side of the second oil inlet pipe, the toothed cross rod reciprocates left and right under the action of the rotation of the circular toothed plate half shaft, and the other side of the second oil inlet pipe is fixedly installed with a sealing tail pipe.

[0011] As a preferred technical scheme of the utility model, the bottom of the circular toothed plate is fixedly installed with a rotating ring, the bottom of the rotating ring is fixedly installed with a driving spring, the bottom end of the driving spring is fixedly connected with a plug plate, the middle part of the top of the plug plate is fixedly installed with an inner core rod, and the both sides of the surface of the inner core rod are fixedly installed with limit blocks.

[0012] As a preferred technical scheme of the utility model, the inner side of the rotating ring is fixedly installed with a cover pipe, the both sides of the surface of the cover pipe are provided with limit grooves, the limit blocks are movably clamped in the limit grooves, and the bottom of the main pipe is fixedly installed with an oil outlet pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、The utility model discloses a main pipe integrated double-channel oil supply structure, a first oil inlet pipe and a second oil inlet pipe form a redundant oil supply path, and a connecting flange is combined to realize double-channel sealing connection, so that fuel oil can be synchronously transported and pressure can be balanced, a standby oil port is matched with a plug to provide an emergency oil supply interface, double-channel coordinated supercharging under high load working conditions is ensured, engine power fluctuation caused by insufficient oil supply pressure of a single oil path is solved, and fuel supply stability and complex road condition adaptability are remarkably improved.

[0015] 2, the utility model discloses a control motor drive output pipe linkage round tooth plate half shaft rotation is realized horizontal reciprocating motion through the meshing transmission of toothed cross bar, and cooperation drive spring converts the rotary power of swivel ring into the linear displacement of plug plate, completes fuel flow dynamic regulation, the cover pipe and oil inlet optimize fuel suction efficiency, and the sealing tail pipe and cover pipe limit the inner core rod displacement range through the clamping of limiting block and limiting groove, guarantee mechanical transmission stability, finally realize high -pressure fuel accurate output by oil outlet pipe, and the overall structure cooperates and promotes fuel pump response speed and working condition reliability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure front view three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is the overall structure back view three-dimensional schematic diagram of the utility model;

[0018] Figure 3 It is the main body pipe structure partial three-dimensional schematic diagram of the utility model;

[0019] Figure 4 It is the main body pipe structure cross section three-dimensional schematic diagram of the utility model;

[0020] Figure 5 It is the round tooth plate and swivel ring structure partial enlarged three-dimensional schematic diagram of the utility model.

[0021] In the drawing: 1, main body pipe; 2, sealing sleeve; 3, first oil inlet pipe; 4, second oil inlet pipe; 5, connecting flange; 6, spare oil port; 7, plug block; 8, control motor; 9, output pipe; 10, cover pipe; 11, oil inlet; 12, round tooth plate; 13, toothed cross bar; 14, sealing tail pipe; 15, swivel ring; 16, drive spring; 17, plug plate; 18, inner core rod; 19, limiting block; 20, cover pipe; 21, limiting groove; 22, oil outlet pipe. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] For example, Figures 1 to 5The utility model provides a double -channel motorcycle fuel pump assembly, including main part pipe 1, the top fixed mounting of main part pipe 1 has sealing sleeve 2, the side fixed mounting of main part pipe 1 has first oil inlet pipe 3, and the bottom of first oil inlet pipe 3 and located the surface of main part pipe 1 is provided with second oil inlet pipe 4, and the outer end of first oil inlet pipe 3 and second oil inlet pipe 4 all is provided with connecting flange 5, and the top of first oil inlet pipe 3 is provided with spare oil port 6, and the entrance of spare oil port 6 is provided with plug 7.

[0024] Wherein, the inside of sealing sleeve 2 and located the top fixed mounting of main part pipe 1 has control motor 8, and the bottom movable mounting of control motor 8 has output pipe 9.

[0025] Through the setting of control motor 8, can drive output pipe 9 and circular gear plate 12 carry out half shaft rotation, through the setting of output pipe 9, can pass the power of control motor 8 to the mechanical transmission assembly below.

[0026] Wherein, the upper portion of output pipe 9 surface and located the inside movable joint of sealing sleeve 2 has outer cover pipe 10, and the surface of outer cover pipe 10 is provided with oil inlet 11.

[0027] Through the setting of outer cover pipe 10, can wrap output pipe 9 and optimize the fuel suction path of oil inlet 11, through the setting of oil inlet 11, can improve fuel suction efficiency and reduce air resistance interference.

[0028] Wherein, the bottom end fixed connection of output pipe 9 has circular gear plate 12, and control motor 8 drives circular gear plate 12 half shaft rotation, and the outside engagement connection of circular gear plate 12 has toothed cross bar 13.

[0029] Through the setting of circular gear plate 12, can convert rotary motion into the horizontal reciprocating motion of toothed cross bar 13, through the setting of toothed cross bar 13, can link the internal structure of second oil inlet pipe 4 and realize fuel flow dynamic regulation.

[0030] Wherein, toothed cross bar 13 movable installation is located in the inside of second oil inlet pipe 4, and toothed cross bar 13 does left and right reciprocating motion under the half shaft rotation of circular gear plate 12, and the other side fixed mounting of second oil inlet pipe 4 has sealing tail pipe 14.

[0031] Through the setting of sealing tail pipe 14, can close the end of second oil inlet pipe 4 and maintain oil circuit tightness.

[0032] Wherein, the bottom fixed mounting of circular gear plate 12 has rotating ring 15, and the bottom fixed mounting of rotating ring 15 has drive spring 16, and the bottom end fixed connection of drive spring 16 has plug plate 17, and the middle part fixed mounting of plug plate 17 top has inner core rod 18, and the both sides fixed mounting of inner core rod 18 surface all have limit block 19.

[0033] The rotation power of the circular gear plate 12 can be transmitted to the driving spring 16 through the setting of the rotating ring 15, the rotation force can be converted into the vertical linear displacement of the plug plate 17 through the setting of the driving spring 16, the opening and closing of the fuel passage and the output pressure can be accurately controlled through the setting of the plug plate 17, the plug plate 17 can be fixed and the vertical movement track can be guided through the setting of the inner core rod 18, and the displacement range of the inner core rod 18 in the limiting groove 21 can be limited through the setting of the limiting block 19.

[0034] The inner side of the rotating ring 15 is fixedly provided with a cover pipe 20, the two sides of the surface of the cover pipe 20 are provided with limiting grooves 21, the limiting block 19 is movably clamped in the limiting grooves 21, and the bottom of the main pipe 1 is fixedly provided with an oil outlet pipe 22.

[0035] The working stability of the driving spring 16 can be protected through the setting of the cover pipe 20, the movement path of the limiting block 19 can be restricted to avoid mechanical interference through the setting of the limiting groove 21, and the directional output of high-pressure fuel can be realized and the engine oil supply demand can be adapted through the setting of the oil outlet pipe 22.

[0036] The working principle and use process of the utility model are as follows: when the device is used, the control motor 8 is started to drive the output pipe 9 to drive the circular gear plate 12 to rotate, the rotating movement is converted into horizontal reciprocating movement through the meshing transmission of the toothed cross rod 13, the rotating ring 15 transmits the rotating force to the plug plate 17 through the driving spring 16, so that the plug plate 17 is vertically linearly displaced along the inner core rod 18 to adjust the opening and closing of the fuel passage, the fuel is synchronously input into the main pipe 1 through the first oil inlet pipe 3 and the second oil inlet pipe 4, is sucked through the oil inlet 11 of the cover pipe 10, is pressurized under the reciprocating pushing of the toothed cross rod 13, and the stroke of the inner core rod 18 is restricted through the cooperation of the limiting block 19 and the limiting groove 21, so that the fuel flow is stable, finally, the high-pressure fuel is output through the oil outlet pipe 22, and the standby oil port 6 provides an emergency oil supplement function through the plug 7, so that the double-channel collaborative oil supply, pressure dynamic balance and continuous and stable oil supply under complex working conditions are realized.

[0037] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Double channel motorcycle fuel pump assembly, comprising a main body tube (1), characterized by: The top of the main pipe (1) is fixedly installed with a sealing sleeve (2), one side of the main pipe (1) is fixedly installed with a first oil inlet pipe (3), the bottom of the first oil inlet pipe (3) and the surface of the main pipe (1) are provided with a second oil inlet pipe (4), the outer ends of the first oil inlet pipe (3) and the second oil inlet pipe (4) are provided with connecting flanges (5), the top of the first oil inlet pipe (3) is provided with a standby oil port (6), and the entrance of the standby oil port (6) is provided with a plug (7).

2. The dual pass motorcycle fuel pump assembly of claim 1, wherein: The inner side of the sealing sleeve (2) and the top of the main pipe (1) are fixedly installed with a control motor (8), and the bottom of the control motor (8) is movably installed with an output pipe (9).

3. The dual pass motorcycle fuel pump assembly of claim 2, wherein: The upper surface of the output pipe (9) and the inner side of the sealing sleeve (2) are movably connected with a cover pipe (10), and the surface of the cover pipe (10) is provided with an oil inlet (11).

4. The dual pass motorcycle fuel pump assembly of claim 2, wherein: The bottom end of the output pipe (9) is fixedly connected with a circular tooth plate (12), the control motor (8) drives the semi-axle rotation of the circular tooth plate (12), and the outer side of the circular tooth plate (12) is movably connected with a toothed cross rod (13).

5. The dual pass motorcycle fuel pump assembly of claim 4, wherein: The toothed cross rod (13) is movably installed on the inner side of the second oil inlet pipe (4), and under the action of the semi-axle rotation of the circular tooth plate (12), the toothed cross rod (13) reciprocates left and right, and the other side of the second oil inlet pipe (4) is fixedly installed with a sealing tail pipe (14).

6. The dual pass motorcycle fuel pump assembly of claim 4, wherein: The bottom of the circular tooth plate (12) is fixedly installed with a rotating ring (15), the bottom of the rotating ring (15) is fixedly installed with a driving spring (16), the bottom end of the driving spring (16) is fixedly connected with a plug plate (17), the top of the plug plate (17) is fixedly installed with an inner core rod (18), and the surfaces of the two sides of the inner core rod (18) are fixedly installed with limit blocks (19).

7. The dual pass motorcycle fuel pump assembly of claim 6, wherein: The inner side of the rotating ring (15) is fixedly installed with a cover pipe (20), the surfaces of the two sides of the cover pipe (20) are provided with limit grooves (21), the limit blocks (19) are movably clamped in the limit grooves (21), and the bottom of the main pipe (1) is fixedly installed with an oil outlet pipe (22).

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