CN214170703U

CN214170703U - Oil nozzle leakage-proof diesel engine fuel pump assembly

Info

Publication number: CN214170703U
Application number: CN202023230709.0U
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 fuel pump field specifically is a glib leak protection formula diesel engine fuel pump assembly, include flange and fire oil filter, fixed mounting has the stationary blade on the flange, the bottom fixed mounting of stationary blade has first sealed the pad, the four corners fixed mounting of stationary blade bottom has spacing telescopic cylinder, fixed cover is equipped with first spring on the spacing telescopic cylinder, the bottom fixed mounting of spacing telescopic cylinder has the collar, fixed mounting cover is equipped with the sealed pad of second on the collar. Install flange on the oil tank, seal up the top and the bottom of oil tank port through first sealed pad and second, replace the tradition only with the mode of oil tank port top seal, reach double-seal's effect, shrink through first spring makes first sealed pad and second seal to fill up and be close to each other between the pad to press from both sides the oil tank port tightly, improve the compactness of being connected between flange and the oil tank, further promote sealed effect.

Description

Oil nozzle leakage-proof diesel engine fuel pump assembly

Technical Field

The utility model relates to a fuel pump field especially relates to a glib leak protection formula diesel engine fuel pump assembly.

Background

Fuel pump assemblies are an important component in vehicle fuel supply systems and function to pump fuel from a fuel tank to a fuel supply line and then to an engine, ensuring proper operation of the fuel pump is important to the proper operation of the entire fuel supply system and, therefore, the entire vehicle. In order to meet the assembly requirements of the national six-fuel pump assembly, the fixing mode of the fuel pump assembly and the fuel tank of the automobile is optimized to be that the fuel pump assembly and the fuel tank are fixed by a ring and a chuck through traditional threaded tightening, namely, the edge of a flange plate in the fuel pump assembly is clamped in the ring of the fuel tank, so that the sealing performance and the working reliability of the fuel pump assembly are improved.

In the prior art, the flange assembly and the filter are spliced to form axial positioning, the connection stability is poor, the flange assembly easily generates circumferential and axial movement relative to a fuel tank and the filter in the driving process of an automobile, the reliability of long-term operation of the fuel pump in the fuel tank is influenced, meanwhile, in the prior art, the flange can only seal the top of the fuel tank opening, but in long-term use, if the flange is connected with the fuel tank, the condition of oil leakage and oil leakage is easily caused, and the current use requirement cannot be met.

In order to solve the problems, the application provides a fuel nozzle leakage-proof diesel engine fuel pump assembly.

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 glib leak protection formula diesel engine fuel pump assembly has the characteristics that the leakproofness is good and high stability.

(II) technical scheme

For solving the technical problem, the utility model provides a glib leak protection formula diesel engine fuel pump assembly, include flange and fire oil filter, flange is last fixed mounting has the stationary blade, the bottom fixed mounting of stationary blade has first sealed the pad, the four corners fixed mounting of stationary blade bottom has spacing telescopic cylinder, fixed cover is equipped with first spring on the spacing telescopic cylinder, the bottom fixed mounting of spacing telescopic cylinder has the collar, fixed mounting cover is equipped with the sealed pad of second on the collar, flange's bottom fixedly connected with fires oil filter, the top fixed mounting who fires oil filter has the installation cap, the mounting groove has been seted up on the installation cap, the inside fixed mounting of mounting groove has the spring, the other end fixed mounting of spring has the buckle.

Preferably, a convex column is fixedly arranged on the top of the connecting flange, and a circular channel is arranged in the convex column.

Preferably, the connecting flange is provided with a clamping hole, and the depth of the clamping hole is matched with the length of the clamping buckle.

Preferably, the mounting ring and the connecting flange are sleeved and connected in a sliding manner.

Preferably, an oil outlet pipe is fixedly mounted at the top of the fuel filter, and the shape of the oil outlet pipe is matched with that of the convex column.

Preferably, the buckle is fixedly sleeved with a baffle ring.

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

1. install flange on the oil tank, seal up the top and the bottom of oil tank port through first sealed pad and second, replace the tradition only with the mode of oil tank port top seal, reach double-seal's effect, shrink through first spring makes first sealed pad and second seal to fill up and be close to each other between the pad to press from both sides the oil tank port tightly, improve the compactness of being connected between flange and the oil tank, further promote sealed effect.

2. Elasticity through the spring extrudees the buckle for joint between buckle and the buckle hole, thereby when using for a long time, take place axial motion between flange and the fuel filter, lead to connecting the reliability and reduce, conveniently install flange and fuel between the oil filter simultaneously, improve the convenience.

Drawings

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

FIG. 2 is a schematic structural view of the installation cap of the present invention;

fig. 3 is a schematic view of the mounting groove structure of the present invention.

Reference numerals:

1. a connecting flange; 11. a fixing sheet; 12. a first gasket; 13. a limiting telescopic cylinder; 14. a first spring; 15. a mounting ring; 16. a second gasket; 17. a snap-in hole; 18. a convex column; 2. a fuel filter; 21. an oil outlet pipe; 22. installing a cap; 23. mounting grooves; 24. a spring; 25. and (5) buckling.

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 fig. 1-3, a nozzle tip leakage-proof diesel fuel pump assembly is provided, which includes a connecting flange 1 and a fuel filter 2.

Referring to fig. 1, a fixing plate 11 is fixedly mounted on a connecting flange 1, a first sealing gasket 12 is fixedly mounted at the bottom of the fixing plate 11, limit telescopic cylinders 13 are fixedly mounted at four corners of the bottom of the fixing plate 11, a first spring 14 is fixedly sleeved on the limit telescopic cylinders 13, a mounting ring 15 is fixedly mounted at the bottom of the limit telescopic cylinders 13, a second sealing gasket 16 is fixedly sleeved on the mounting ring 15, the connecting flange 1 is used for mounting a component, the fixing plate 11 is used for mounting the first sealing gasket 12, the first spring 14, the mounting ring 15 and the second sealing gasket 16 are used for matching, the opening of the oil tank is clamped by the first sealing gasket 12 and the second sealing gasket 16, the mounting ring 15 and the second sealing gasket 16 are driven to retract by the elasticity of the limiting telescopic cylinder 13, so that the first sealing gasket 12 and the second sealing gasket 16 clamp the inside and the outside of the oil tank opening, and the effect of improving the sealing performance is achieved.

Referring to fig. 1-3, the fuel filter 2 is fixedly connected to the bottom of the connecting flange 1, a mounting cap 22 is fixedly mounted at the top of the fuel filter 2, a mounting groove 23 is formed in the mounting cap 22, a spring 24 is fixedly mounted inside the mounting groove 23, a buckle 25 is fixedly mounted at the other end of the spring 24, the fuel filter 2 is used for filtering fuel, the mounting cap 22 is matched with the mounting groove 23 to mount and store the spring 24 and the buckle 25, the mounting groove 23 is matched with the spring 24, the buckle 25 is pushed out of the mounting groove 23 through the elastic force of the spring 24 and then clamped with the buckle hole 17, and therefore the connecting flange 1 is connected with the fuel filter 2.

Specifically, a convex column 18 is fixedly arranged at the top of the connecting flange 1, a circular channel is arranged inside the convex column 18, and the convex column 18 is used for protecting the buckling hole 17 by coating the buckling hole 17.

Specifically, buckle hole 17 has been seted up on flange 1, and is fixed buckle 25 through buckle hole 17 to with the installation of carrying out the joint between flange 1 and the fuel filter 2, the degree of depth of buckle hole 17 is identical with buckle 25's length, makes buckle hole 17 and buckle 25 joint when, buckle 25 and buckle hole 17 are on the coplanar, can not influence the installation of other parts.

Specifically, the mounting ring 15 is sleeved with the connecting flange 1, the mounting ring 15 is slidably connected with the connecting flange 1, and the mounting ring 15 can be pulled on the connecting flange 1 through the elastic force of the limiting telescopic cylinder 13, so that the second sealing gasket 16 and the first sealing gasket 12 are clamped tightly.

Specifically, the top fixed mounting of fuel filter 2 has an oil outlet pipe 21, and oil outlet pipe 21 is used for producing oil, and the shape of oil outlet pipe 21 is identical with the shape of projection 18 for in oil outlet pipe 21 can hold into projection 18, the rethread projection 18 protected it.

Specifically, fixed cover is equipped with and keeps off the ring on the buckle 25, and when spring 24 released buckle 25 mounting groove 23, because the existence that keeps off the ring, buckle 25 can not thoroughly break away from mounting groove 23, leads to buckle 25 can't be accomodate into mounting groove 23 once more or causes spring 24's irregular deformation.

The utility model discloses a theory of operation and use flow: during the use, thereby release in buckle 25 mounting groove 23 through spring 24's elasticity, block with buckle hole 17 again, thereby be connected flange 1 and fire between the oil cleaner 2, connect the fuel pump in the bottom of firing oil cleaner 2, and place inside the oil feed tank, install flange 1 on the fuel tank port again, carry out the centre gripping through first sealed pad 12 and the sealed 16 opening part of second packing, the elasticity of rethread spacing flexible section of thick bamboo 13 drives collar 15 and the sealed 16 tightening up of second, make first sealed pad 12 and the sealed 16 inside and outside pressing from both sides tight with the fuel tank port of second packing, reach the effect that improves the leakproofness.

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 utility model provides a glib leak protection formula diesel engine fuel pump assembly, includes flange (1) and fires oil filter (2), its characterized in that, fixed mounting has stationary blade (11) on flange (1), the bottom fixed mounting of stationary blade (11) has first sealed pad (12), the four corners fixed mounting of stationary blade (11) bottom has spacing telescopic cylinder (13), fixed cover is equipped with first spring (14) on spacing telescopic cylinder (13), the bottom fixed mounting of spacing telescopic cylinder (13) has collar (15), fixed mounting cover is equipped with second sealed pad (16) on collar (15), the bottom fixed connection of flange (1) fires oil filter (2), the top fixed mounting of firing oil filter (2) has mounting cap (22), mounting cap (22) are last to have seted up mounting groove (23), the inside fixed mounting of mounting groove (23) has spring (24), the other end fixed mounting of spring (24) has buckle (25).

2. The fuel pump assembly of the diesel engine with the leakproof nozzle tip as claimed in claim 1, wherein a convex column (18) is fixedly arranged on the top of the connecting flange (1), and a circular channel is arranged inside the convex column (18).

3. The fuel pump assembly of the diesel engine with the leakproof nozzle tip as claimed in claim 1, wherein the connecting flange (1) is provided with a buckling hole (17), and the depth of the buckling hole (17) is matched with the length of the buckle (25).

4. The fuel pump assembly of the diesel engine with the leakproof nozzle tip as set forth in claim 1, characterized in that the mounting ring (15) is sleeved with the connecting flange (1), and the mounting ring (15) is slidably connected with the connecting flange (1).

5. The fuel pump assembly of the diesel engine with the leakproof nozzle tip as claimed in claim 1, wherein an oil outlet pipe (21) is fixedly mounted at the top of the fuel filter (2), and the shape of the oil outlet pipe (21) is matched with that of the convex column (18).

6. The diesel fuel pump assembly with the leakproof nozzle tip as set forth in claim 1, wherein the retainer ring is fixedly sleeved on the fastener (25).