CN214170701U

CN214170701U - Anti-static automobile fuel pump

Info

Publication number: CN214170701U
Application number: CN202023219047.7U
Authority: CN
Inventors: 王益新
Original assignee: Changzhou Huahui Oil Nozzle Pump Co ltd
Current assignee: Changzhou Huahui Oil Nozzle Pump Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-10
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of the car fuel pump, specifically be a prevent static car fuel pump, including the fuel pump, the outside swing joint of fuel pump has the anti-static shell of symmetric distribution, prevent the outside fixedly connected with fixture block of static shell, evenly distributed's screw hole is seted up to the inside of fixture block, the outside of preventing static shell is connected with the retainer plate. The utility model discloses an at the outside one end fixedly connected with oil feed outer tube of fuel pump, and there is the oil feed inner tube at the internal connection of oil feed outer tube, and at the outer end fixedly connected with sealing member of oil feed inner tube, simultaneously at the outside other end fixedly connected with oil pipe of fuel pump, and be connected with the fuel pump at the inner chamber of sealing member, simultaneously at the one end fixedly connected with pipe of spring, and at the solid fixed ring of external connection of pipe, and utilize the inside casting die of solid fixed ring can sticis external oil circuit pipeline, can guarantee that the device can effectually closely fix on car oil circuit.

Description

Anti-static automobile fuel pump

Technical Field

The utility model relates to an automobile fuel pump technical field specifically is an anti-static automobile fuel pump.

Background

The fuel pump is an important component in the assembly of each part of an automobile, is one of basic components of a fuel injection system of an electronic injection automobile, is positioned in a vehicle fuel tank, sucks fuel from the fuel tank, pressurizes the fuel and then conveys the fuel to a fuel supply pipe, and the fuel pump is matched with a fuel regulator to establish certain fuel pressure, so that people need an anti-static automobile fuel pump.

The fuel pump that uses all adopts smooth pipeline connection port at present on the market, and the sealing performance of this type of device in the use is relatively poor, and the leakproofness of this type of device to the connection of oil circuit mouth of pipe is low, and current fuel pump is comparatively complicated at the in-process of installation and debugging, and the car is inside all to be metal parts constitution simultaneously, can form certain static on the inside part of car, and current device shell adopts metal to make, and its protective capacities to static is lower, for this reason we have proposed an anti-static car fuel pump.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a prevent static car fuel pump has strong seal, prevents the characteristics of static.

(II) technical scheme

For solving the technical problem, the utility model provides a prevent static car fuel pump, including the fuel pump, the outside swing joint of fuel pump has the anti-static shell of symmetric distribution, the outside fixedly connected with fixture block of anti-static shell, evenly distributed's screw hole is seted up to the inside of fixture block, the outside of preventing static shell is connected with the retainer plate, the outside one end fixedly connected with oil feed outer tube of fuel pump, the internal connection of oil feed outer tube has the oil feed inner tube, the outer end fixedly connected with sealing member of oil feed inner tube, the outside other end fixedly connected with oil pipe of fuel pump, the inside fixedly connected with spring of oil pipe, the outer end fixedly connected with pipe of spring, the external connection of pipe has solid fixed ring, gu fixed ring's inboard swing joint has the casting die.

Preferably, the fuel pump is made of metal materials, the oil inlet inner pipe is made of stainless steel metal, the oil inlet outer pipe is made of plastic, and the oil inlet outer pipe and the oil inlet inner pipe are both in a horn shape.

Preferably, a semicircular notch is formed in one side of the outer portion of the anti-static shell, an inward-protruding circular clamping block is formed in the other side of the outer portion of the anti-static shell, symmetrically-distributed rectangular notches are formed in the outer side of the anti-static shell, and the inner side of the clamping block penetrates through the rectangular notch in the outer side of the anti-static shell.

Preferably, three threaded holes are formed in the fixture block, threads are formed in the inner wall of each threaded hole, and the number of the threaded holes is two.

Preferably, the retainer plate is circular becket, and the notch has been seted up in the outside of retainer plate, set up the rectangle fixture block of symmetric distribution in the notch in the retainer plate outside, and the inside swing joint of rectangle fixture block has fixation nut.

Preferably, the outer end fixedly connected with ring shape rubber gasket of sealing member, the cylindrical slotted hole has been seted up to the inside of oil pipe, and the bottom fixed connection of spring is at the inner chamber of oil pipe.

Preferably, the outside of pipe has seted up annular notch, and the annular notch of pipe outside and the inboard annular bulge of solid fixed ring mutual adaptation, gu fixed ring's inside has seted up annular groove, and the casting die is arranged in gu fixed ring inboard annular groove, gu fixed ring's inside threaded connection has the nut of symmetric distribution.

The above technical scheme of the utility model has following profitable technological effect:

1. the utility model discloses an at the outside one end fixedly connected with oil feed outer tube of fuel pump, and there is the oil feed inner tube at the internally connected with of oil feed outer tube, and at the outer end fixedly connected with sealing member of oil feed inner tube, simultaneously at the outside other end fixedly connected with oil pipe of fuel pump, and be connected with the fuel pump at the inner chamber of sealing member, simultaneously at the one end fixedly connected with pipe of spring, and at the solid fixed ring of external connection of pipe, and utilize the inside casting die of solid fixed ring can sticis external oil circuit pipeline, can guarantee that the device can effectually closely fix on car oil circuit, and then solved the lower problem of current device seal.

2. The utility model discloses an outside swing joint at the fuel pump has the anti-static shell of symmetric distribution, and is preventing the outside fixedly connected with fixture block of static shell to set up evenly distributed's screw hole in the inside of preventing static shell, there is the retainer plate at the middle part swing joint in the anti-static shell outside simultaneously, utilizes and prevents the separation of static shell to the fuel pump, can guarantee that the inside static of car can be effectively blockked, and then has solved the problem that current device metal casing conducts static easily.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the side of the structure of the present invention;

FIG. 3 is a schematic view of the internal dispersion of the structure of the present invention;

fig. 4 is the utility model discloses oil feed inner tube and casting die structural schematic.

Reference numerals:

1. a fuel pump; 2. an antistatic housing; 3. a clamping block; 4. a threaded hole; 5. a stationary ring; 6. an oil inlet outer pipe; 7. an oil inlet inner pipe; 8. a seal member; 9. an oil outlet pipe; 10. a spring; 11. a conduit; 12. a fixing ring; 13. and (5) pressing the piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figures 1-4, the utility model provides an anti-static automobile fuel pump, including a fuel pump 1, the fuel pump 1 is made of metal material, the outer part of the fuel pump 1 is movably connected with an anti-static shell 2 with symmetrical distribution, one side of the outer part of the anti-static shell 2 is provided with a semicircular notch, the other side of the outer part of the anti-static shell 2 is provided with an annular clamping block protruding inwards, the outer side of the anti-static shell 2 is provided with a rectangular notch with symmetrical distribution, the outer side of the anti-static shell 2 is fixedly connected with a clamping block 3, the inner side of the clamping block 3 penetrates into the rectangular notch of the outer side of the anti-static shell 2, the anti-static shell 2 with symmetrical distribution is movably connected with the outer part of the fuel pump 1, the outer side of the anti-static shell 2 is provided with a rectangular notch with symmetrical distribution, and the inner side of the clamping block 3 penetrates into the rectangular notch of the outer side of the anti-static shell 2, one side of the outer part of the anti-static shell 2 is provided with a semicircular notch, the other side of the outer part of the anti-static shell 2 is provided with an inward-protruding annular clamping block, the anti-static shell 2 and the clamping block 3 of the device can effectively fix the whole device by utilizing a nut, and the influence of external static on the internal operation of the device is avoided, the clamping block 3 is internally provided with uniformly-distributed threaded holes 4, the clamping block 3 is internally provided with three threaded holes 4, the inner wall of each threaded hole 4 is provided with threads, the number of the threaded holes 4 is two, the outer side of the anti-static shell 2 is connected with a fixing ring 5, the fixing ring 5 is a circular metal ring, the outer side of the fixing ring 5 is provided with a notch, rectangular clamping blocks which are symmetrically distributed are arranged in the notch of the outer side of the fixing ring 5, the inner part of each rectangular clamping block is movably connected with a fixing nut, and the fixing ring 5 is connected with the outer part of the anti-static shell 2, the outer side of the fixed ring 5 is provided with a notch, the notch is provided with symmetrically distributed rectangular clamping blocks, the fixed ring 5 is tightly fixed on the outer part of the anti-static shell 2 by utilizing a fixing nut, the anti-static shell 2 of the device can prevent static from being blocked on the outer part of the anti-static shell 2, one end of the outer part of the fuel pump 1 is fixedly connected with an oil inlet outer tube 6, the inner part of the oil inlet outer tube 6 is connected with an oil inlet inner tube 7, the oil inlet inner tube 7 is made of stainless steel metal, the oil inlet outer tube 6 is made of plastic, the oil inlet outer tube 6 and the oil inlet inner tube 7 are both in a horn shape, the outer end of the oil inlet inner tube 7 is fixedly connected with a sealing piece 8, the outer end of the sealing piece 8 is fixedly connected with a ring-shaped rubber gasket, the oil inlet outer tube 6 is made of plastic, the oil inlet outer tube 6 and the oil inlet inner tube 7 are both in a horn shape, and the sealing piece 8 is fixedly connected with the outer end of the oil inlet inner tube 7, meanwhile, the outer end of the sealing element 8 is fixedly connected with an annular rubber gasket, so that the oil inlet inner tube 7 and the sealing element 8 of the device can be tightly fixed in a pipeline of an oil circuit, the other end outside the fuel pump 1 is fixedly connected with an oil outlet tube 9, the inside of the oil outlet tube 9 is fixedly connected with a spring 10, a cylindrical slotted hole is formed in the oil outlet tube 9, the bottom end of the spring 10 is fixedly connected with the inner cavity of the oil outlet tube 9, the outer end of the spring 10 is fixedly connected with a guide tube 11, the outside of the guide tube 11 is connected with a fixing ring 12, the inner side of the fixing ring 12 is movably connected with a pressing element 13, the outside of the guide tube 11 is provided with an annular notch, the annular notch outside the guide tube 11 is matched with an annular bulge inside the fixing ring 12, the inside of the fixing ring 12 is provided with an annular groove, the pressing element 13 is positioned in the annular groove inside the fixing ring 12, and the inner threads of the fixing ring 12 are connected with symmetrically distributed nuts, through the inside fixedly connected with spring 10 at play oil pipe 9 to with the outer end fixed connection of spring 10 in the one end of pipe 11, there is solid fixed ring 12 at the external connection of pipe 11 simultaneously, utilize the inside nut of solid fixed ring 12 to the inseparable pressfitting of casting die 13, can guarantee the device's solid fixed ring 12 and the adaptation between the casting die 13, can effectively fix external pipeline.

The utility model discloses a theory of operation and use flow: firstly, a screw in the fixing ring 12 needs to be rotated counterclockwise to extend the pressing piece 13 to the outside, then the anti-static casing 2 is buckled outside the fuel pump 1, then the fixing ring 5 is surrounded in the middle of the outside of the anti-static casing 2, a fixing nut on the outside of the fixing ring 5 is screwed, then the sealing element 8 is inserted into an oil path pipeline port of the automobile, then the fixing ring 12 is pressed to compress the whole guide pipe 11 to the inside of the oil outlet pipe 9, then the oil path port on the other side of the automobile is inserted into the inside of the fixing ring 12, and the screw in the fixing ring 12 is screwed, so that the fuel pump is obtained.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The anti-static automobile fuel pump comprises a fuel pump (1) and is characterized in that the outer portion of the fuel pump (1) is movably connected with an anti-static shell (2) which is symmetrically distributed, a clamping block (3) is fixedly connected to the outer side of the anti-static shell (2), threaded holes (4) which are uniformly distributed are formed in the clamping block (3), a fixing ring (5) is connected to the outer side of the anti-static shell (2), an oil inlet outer tube (6) is fixedly connected to one end of the outer portion of the fuel pump (1), an oil inlet inner tube (7) is connected to the inner portion of the oil inlet outer tube (6), a sealing piece (8) is fixedly connected to the outer end of the oil inlet inner tube (7), an oil outlet tube (9) is fixedly connected to the other end of the outer portion of the fuel pump (1), a spring (10) is fixedly connected to the inner portion of the oil outlet tube (9), and a guide tube (11) is fixedly connected to the outer end of the spring (10), the outer part of the guide pipe (11) is connected with a fixing ring (12), and the inner side of the fixing ring (12) is movably connected with a pressing piece (13).

2. The anti-static fuel pump of the automobile as recited in claim 1, wherein the fuel pump (1) is made of a metal material, the inner fuel inlet pipe (7) is made of a stainless steel metal, the outer fuel inlet pipe (6) is made of a plastic material, and both the outer fuel inlet pipe (6) and the inner fuel inlet pipe (7) are horn-shaped.

3. The anti-static automobile fuel pump as claimed in claim 1, wherein one side of the outside of the anti-static casing (2) is provided with a semicircular notch, the other side of the outside of the anti-static casing (2) is provided with an inwardly protruding circular clamping block, the outside of the anti-static casing (2) is provided with symmetrically distributed rectangular notches, and the inner side of the clamping block (3) penetrates into the rectangular notch of the outside of the anti-static casing (2).

4. The anti-static automobile fuel pump according to claim 1, wherein three threaded holes (4) are formed in the fixture block (3), the inner wall of each threaded hole (4) is threaded, and the number of the threaded holes (4) is two.

5. The anti-static automobile fuel pump according to claim 1, wherein the fixing ring (5) is a circular metal ring, a notch is formed in the outer side of the fixing ring (5), symmetrically distributed rectangular clamping blocks are arranged in the notch in the outer side of the fixing ring (5), and fixing nuts are movably connected to the inner portions of the rectangular clamping blocks.

6. The fuel pump of claim 1, wherein the outer end of the sealing member (8) is fixedly connected with a circular rubber gasket, the oil outlet pipe (9) is internally provided with a cylindrical slotted hole, and the bottom end of the spring (10) is fixedly connected with the inner cavity of the oil outlet pipe (9).

7. The fuel pump of claim 1, characterized in that the guide tube (11) is provided with an annular notch at the outer part, the annular notch at the outer part of the guide tube (11) is matched with the annular protrusion at the inner side of the fixing ring (12), the fixing ring (12) is provided with an annular groove at the inner part, the pressing member (13) is positioned in the annular groove at the inner side of the fixing ring (12), and the fixing ring (12) is connected with nuts in a symmetrical distribution through the inner threads.