CN212155001U

CN212155001U - Large-flow fuel pump

Info

Publication number: CN212155001U
Application number: CN202020743780.XU
Authority: CN
Inventors: 江松虎
Original assignee: Zhejiang Gaoyang Automobile Electrical Co ltd
Current assignee: Zhejiang Gaoyang Automobile Electrical Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-12-15
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a large-traffic fuel pump, which comprises a housin, be equipped with magnetic path, motor in the casing, the motor shaft outer joint pump body, the oil inlet is established to casing one end, the casing other end is equipped with the mouth of pipe that produces oil, it is protruding to establish the inner ring in the mouth of pipe that produces oil, the valve block has been placed in the bellied upper surface laminating of inner ring, fixed surface has the spring on the valve block, the mouth of pipe's upper end surface that produces oil has the bulge circle tube head through threaded connection, through setting up removable fraction structure in the mouth of pipe that produces oil, and the valve piece mechanism assembly and the split of being convenient for are convenient for maintain to set up the location supporting component, can fix a position the support when sliding on the valve block, can not.

Description

Large-flow fuel pump

Technical Field

The utility model relates to a fuel pump field, more specifically say, relate to a large-traffic fuel pump.

Background

The fuel pump includes a pump stage assembly, a permanent magnet motor, and a housing. The permanent magnet motor is electrified and drives the pump level assembly to rotate, so that fuel is sucked from the oil inlet, flows through the electric fuel pump and is extruded from the oil outlet to supply oil to a fuel system;

in its fuel pump of big flow type now, need set up check valve subassembly in its oil-out department, its check valve subassembly generally sets up with oil-out an organic whole, and is convenient inadequately when assembling or dismantling to check valve subassembly single structure among the prior art all adopts reducing chamber cooperation spring, valve block mechanism, behind oil jack-up valve block, the deviation that probably inclines when the valve block kick-backs, influences the shutoff.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a large-traffic fuel pump through setting up removable fraction structure in oil outlet department, the valve chip mechanism assembly and the split of being convenient for are convenient for maintain to set up the location supporting component, can fix a position the support when sliding on the valve block, can not influence the shutoff after the whereabouts to the slope deviation after kick-backing.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a large-traffic fuel pump, includes the casing, be equipped with magnetic path, motor in the casing, the motor shaft outer joint pump body, the oil inlet is established to casing one end, the casing other end is equipped with the mouth of pipe of producing oil, it is protruding to establish the inner ring in the mouth of pipe of producing oil, the valve block has been placed in the bellied upper surface laminating of inner ring, fixed surface has the spring on the valve block, the orificial upper end surface of producing oil has the protruding round tube head through threaded connection, through set up removable fraction structure in mouth of producing oil department, and the valve mechanism assembly and the split of being convenient for are convenient for maintain to set up location supporting component, can fix a position the support when sliding on the valve block, can not influence the shutoff.

Further, the lower surface of valve block is fixed with the locating lever, and the terminal surface passes through support piece fixedly connected with holding ring in the mouth of pipe downside that produces oil, and locating lever sliding connection is in the holding ring, when the valve block reciprocated, can make the locating lever slide in the holding ring, and slidable positioning supports, can not influence the shutoff to the slope deviation after the valve block fell behind the resilience.

Furthermore, a ring groove is formed in the outer surface of the lower side of the valve plate in a circle, the ring groove is clamped on the annular convex surface arranged on the convex surface of the inner ring, and the valve plate can form blocking opening sealing after being blocked on the convex surface of the inner ring.

Furthermore, the outer surface of the convex round tube head is provided with an octagonal notch, so that the convex round tube head can be conveniently clamped and twisted by a wrench, and the disassembly and the assembly are convenient.

Furthermore, the lower surface of the convex round pipe head is covered with the rubber layer, so that the tightness is improved during twisting installation, and the connection is firm.

Compared with the prior art, the utility model has the advantages of:

(1) through set up removable fraction structure in oil outlet pipe mouth department, the valve plate mechanism of being convenient for assembles and the split, is convenient for maintain to set up the location support subassembly, can fix a position the support when the valve plate is slided on, can not influence the shutoff after the whereabouts to the slope deviation, resilience back.

(2) The lower surface of valve block is fixed with the locating lever, and the terminal surface passes through support piece fixedly connected with holding ring in the mouth of pipe downside that produces oil, and locating lever sliding connection is in the holding ring, when the valve block reciprocated, can make the locating lever slide in the holding ring, and slidable positioning supports, can not influence the shutoff to the slope deviation after the valve block fell behind kick-back.

(3) The outer surface of the lower side of the valve plate is provided with a ring groove in a circle, the ring groove is clamped on the surface of the annular bulge arranged on the surface of the inner ring bulge, and the valve plate can form a blocking opening seal after being blocked on the inner ring bulge.

(4) The outer surface of the convex round tube head is provided with an octagonal notch, so that the convex round tube head can be conveniently clamped and twisted by a wrench, and the convex round tube head is convenient to disassemble and assemble.

(5) The rubber layer covers the lower surface of the convex pipe head, so that the tightness is improved during twisting installation, and the connection is firm.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

FIG. 3 is a schematic view of a partial structure of the valve plate of the present invention;

fig. 4 is a top view of a partial structure of the convex pipe head of the present invention;

fig. 5 is a top view of the supporting member and the positioning ring according to the present invention.

The reference numbers in the figures illustrate:

the device comprises a shell 1, a magnet 2, a motor 3, a pump body 4, an oil inlet 5, an oil outlet 6, an inner ring bulge 7, a valve plate 8, a spring 9, a convex round pipe head 10, a positioning rod 11, a supporting piece 12 and a positioning ring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a large-flow fuel pump comprises a housing 1, a magnetic block 2 and a motor 3 are arranged in the housing 1, the motor 3 is connected with a pump body 4 outside a shaft, an oil inlet 5 is arranged at one end of the housing 1, an oil outlet pipe orifice 6 is arranged at the other end of the housing 1, an inner ring bulge 7 is arranged in the oil outlet pipe orifice 6, a valve plate 8 is placed on the upper surface of the inner ring bulge 7 in a fitting manner, a spring 9 is fixed on the upper surface of the valve plate 8, and the outer surface of the upper end of the oil outlet pipe orifice 6.

Referring to fig. 1-5, a positioning rod 11 is fixed on the lower surface of a valve plate 8, a positioning ring 13 is fixedly connected to the inner end surface of the lower side of an oil outlet pipe orifice 6 through a support member 12, the positioning rod 11 is slidably connected in the positioning ring 13, when the valve plate 8 moves up and down, the positioning rod 11 can slide in the positioning ring 13 and can be slidably positioned and supported, the valve plate 8 cannot deviate in inclination after falling, plugging cannot be affected after rebounding, a ring groove 80 is formed in the outer surface of the lower side of the valve plate 8 in a ring mode, the ring groove 80 is clamped on the annular protruding surface arranged on the surface of the inner ring protruding portion 7, a blocking port seal can be formed after the valve plate 8 is plugged on the inner ring protruding portion 7, an octagonal notch is formed in the outer surface of the convex circular pipe head 10, a wrench can conveniently clamp and twist the convex.

The pump body 4 is driven by the motor 3 to pump oil, the oil is led out through the oil outlet pipe orifice 6, the inner ring bulge 7 is arranged in the oil outlet pipe orifice 6, the valve block 8 is placed on the upper surface of the inner ring bulge 7 in a fitting manner, the spring 9 is fixed on the upper surface of the valve block 8, the outer surface of the upper end of the oil outlet pipe orifice 6 is connected with the convex pipe head 10 through threads, a one-way valve structure is formed, the valve block 8 is jacked up and led out when the oil is led out, the valve block 8 is blocked by the spring 9 when the oil is not discharged, the oil is not refluxed, and the valve block 8 component can be replaced by taking down the;

simultaneously, the lower surface of the valve block 8 is fixed with a positioning rod 11, the inner end face of the lower side of the oil outlet pipe opening 6 is fixedly connected with a positioning ring 13 through a supporting piece 12, the positioning rod 11 is connected in the positioning ring 13 in a sliding mode, when the valve block 8 moves up and down, the positioning rod 11 can slide in the positioning ring 13, the positioning support can slide, the valve block 8 cannot deviate in an inclined mode after falling, and plugging cannot be influenced after rebounding.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A high-flow fuel pump, comprising a housing (1), characterized in that: be equipped with magnetic path (2), motor (3) in casing (1), the epaxial external connection pump body (4) of motor (3), oil inlet (5) are established to casing (1) one end, casing (1) other end is equipped with oil outlet pipe mouth (6), establish inner ring arch (7) in oil outlet pipe mouth (6), valve block (8) have been placed in the upper surface laminating of inner ring arch (7), surface mounting has spring (9) on valve block (8), there is protruding round tube head (10) the upper end surface of oil outlet pipe mouth (6) through threaded connection.

2. A high flow fuel pump according to claim 1, characterized in that: the lower surface of the valve plate (8) is fixed with a positioning rod (11), the inner end face of the lower side of the oil outlet pipe orifice (6) is fixedly connected with a positioning ring (13) through a supporting piece (12), and the positioning rod (11) is connected in the positioning ring (13) in a sliding mode.

3. A high flow fuel pump according to claim 1, characterized in that: a ring groove (80) is formed in the outer surface of the lower side of the valve plate (8) in a circle, and the ring groove (80) is clamped on the surface of the annular bulge arranged on the surface of the inner ring bulge (7).

4. A high flow fuel pump according to claim 1, characterized in that: the outer surface of the convex round pipe head (10) is provided with an octagonal cut.

5. A high flow fuel pump according to claim 1, characterized in that: the lower surface of the convex round pipe head (10) is covered with a rubber layer.