CN210371137U

CN210371137U - Novel fuel pump

Info

Publication number: CN210371137U
Application number: CN201921137505.7U
Authority: CN
Inventors: 阮如意
Original assignee: Ruian Star Auto Parts Co Ltd
Current assignee: Ruian Star Auto Parts Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-21
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a novel fuel pump, which belongs to the field of automobile products, and comprises a fuel pump body, wherein the lower end of the fuel pump body is provided with a lower shell, the upper end of the fuel pump body is provided with an upper shell, the upper end of the lower shell is connected with the upper shell in a sliding way, the left end and the right end of the lower shell are symmetrically connected with lower connecting blocks, the upper shell and the lower shell which are arranged are connected with each other through the clamping connection of a clamping rod and a clamping groove and the reset action of a spring, the connecting mode is simple and stable, the upper shell can be conveniently disassembled by workers to overhaul the interior of the fuel pump, the fuel pump is provided with radiating fins, radiating holes and heat conducting fins, the fuel pump body can be used for a long time, the oil in the fuel pump is quickly consumed, and when the fuel pump body can not effectively radiate heat, the fuel pump body can, thereby prolonging the service life of the fuel pump.

Description

Novel fuel pump

Technical Field

The utility model relates to an automobile articles for use field, more specifically say, relate to a novel fuel pump.

Background

The fuel pump is one of basic components of a fuel injection system of an electronic injection automobile, is positioned in a vehicle fuel tank, works during starting and running of an engine, and shuts off the power supply of the fuel pump by the HFM-SFI control module to avoid accidental ignition if the engine stops and an ignition switch is still ON.

At present, the novel fuel pump that exists in the market is whole for pouring the formula or connect through a plurality of screws, need dismantle at the fuel pump and examine and repair the time, the staff is difficult to dismantle it, and it is longer to dismantle the time that consumes, increase the degree of difficulty for staff's work, and most current fuel pumps are because the heat that the fuel pump produced can be absorbed to the fuel, so do not set up cooling system, but a lot of drivers like refuel after having liked the oil consumption in the oil tank, the fuel pump can not get effectual heat dissipation like this, make its work under high temperature environment, long-term use can influence the life of fuel pump, lead to the fuel pump to damage.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims to provide a novel fuel pump, the upper and lower casing that it was provided with passes through the joint of kelly and draw-in groove and the reset action of spring, connect the two, this kind of connected mode is simple firm, the staff of being convenient for will go up the casing and dismantle, overhaul the inside of fuel pump, and this fuel pump is provided with the fin, louvre and conducting strip, use for a long time at the fuel pump body, and the oil in the oil tank is exhausted soon, when the fuel pump body can not obtain effective heat dissipation, can dispel the heat to the fuel pump body through the fin, mutually supporting between louvre and the conducting strip is acted on, thereby the life of extension fuel pump.

2. Technical scheme

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

A novel fuel pump comprises a fuel pump body, wherein a lower shell is arranged at the lower end of the fuel pump body, an upper shell is arranged at the upper end of the fuel pump body, an upper shell is slidably connected to the upper end of the lower shell, lower connecting blocks are symmetrically connected to the left end and the right end of the lower shell, upper connecting blocks are symmetrically connected to the left end and the right end of the upper shell, the upper connecting blocks are in contact with the lower connecting blocks, a limiting rod is fixedly connected to the upper end of the lower connecting blocks, a limiting groove is formed in the lower end of the upper connecting blocks, the limiting rod is clamped with the limiting groove, a sliding groove is formed in the right end of the upper connecting blocks, a clamping rod is slidably connected in the sliding groove, a circular ring is fixedly sleeved on the outer surface of the clamping rod, a baffle ring is fixedly connected to the right end, the conducting strip is provided with the water conservancy diversion hole, the upper and lower casing that it was provided with passes through the joint of kelly and draw-in groove and the reset action of spring, connect the two, this kind of connected mode is simple firm, the staff of being convenient for will go up the casing and dismantle, overhaul the inside of fuel pump, and this fuel pump is provided with the fin, louvre and conducting strip, use for a long time at the fuel pump body, and oil in the oil tank is consumed soon, when the fuel pump body can not get effective heat dissipation, can be through the fin, mutually supporting between louvre and the conducting strip dispels the heat to the fuel pump body, thereby the life of extension fuel pump.

Further, the upper end laminating of casing has lower sealing gasket down, the lower extreme laminating of going up the casing has upper sealing gasket, upper sealing gasket and lower sealing gasket contact, the material that upper sealing gasket and lower sealing gasket adopted is rubber, and the rubber matter is soft and has good leakproofness, through the setting of upper sealing gasket and lower sealing gasket, can be with the upper casing with the gap that produces when the lower casing is connected sealed, guaranteed the inside leakproofness of fuel pump body.

Further, the surface of kelly slides and has cup jointed the spring, the left end and the ring contact of spring, the spring right-hand member with keep off the ring contact, the spring is reset spring, has the reset action, through the reset action of spring, the kelly of being convenient for carries out the joint with the draw-in groove to fix last casing and lower casing.

Further, the right-hand member of kelly with keep off ring sliding connection, the right-hand member of gag lever post is provided with the draw-in groove, the left end and the draw-in groove joint of kelly keep off the ring and have limiting displacement, not only can restrict the position of spring, kelly and annuliform ring, can also prevent that they from breaking away from the sliding tray, and through the joint effect of kelly and draw-in groove, can fix upper and lower casing.

Further, the surface of fin is provided with the louvre, the louvre sets up to rectangular shape, the upper end of louvre is provided with the separation blade, and the louvre is provided with a plurality ofly, and louvre and fin have the radiating effect, and through the setting of a plurality of louvres, use for a long time at the fuel pump body, and the oil in the oil tank has consumed up soon, and when the fuel pump body can not obtain effective heat dissipation, can dispel the heat to the fuel pump body through fin and louvre, and the upper end of louvre is provided with the separation blade again, through the setting of separation blade, not only can not influence the heat dissipation, still has dustproof effect, can prevent that.

3. Advantageous effects

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

(1) the upper and lower casing that this scheme was provided with passes through the joint of kelly and draw-in groove and the effect that resets of spring, connect the two, this kind of connected mode is simple firm, the staff of being convenient for will go up the casing and dismantle, overhaul fuel pump inside, and this fuel pump is provided with the fin, louvre and conducting strip, use for a long time at the fuel pump body, and the oil in the oil tank has consumed up soon, when the fuel pump body can not obtain effective heat dissipation, can dispel the heat to the fuel pump body through the fin, mutually supporting between louvre and the conducting strip is used for the fuel pump body, thereby the life of extension fuel pump.

(2) The upper end laminating of casing has sealed down and fills up down, and the lower extreme laminating of going up the casing has sealed the pad, and the sealed contact of pad and lower seal, the material that the sealed pad and lower seal adopted of going up is rubber, and rubber matter is soft and has good leakproofness, through the sealed setting of pad and lower seal, can be sealed with the gap that produces when going up casing and lower casing coupling, has guaranteed the inside leakproofness of fuel pump body.

(3) The surface slip of kelly has cup jointed the spring, and the left end and the ring contact of spring, spring right-hand member and fender ring contact, spring be reset spring, have the reset action, through the reset action of spring, the kelly of being convenient for carries out the joint with the draw-in groove to fix last casing and casing down, and through the joint effect of kelly and draw-in groove, can fix upper and lower casing.

(4) The right-hand member and the fender ring sliding connection of kelly, the right-hand member of gag lever post is provided with the draw-in groove, and the left end and the draw-in groove joint of kelly keep off the ring and have limiting displacement, not only can restrict the position of spring, kelly and annulars, can also prevent that they break away from the sliding tray.

(5) The surface of fin is provided with the louvre, the louvre sets up to rectangular shape, the upper end of louvre is provided with the separation blade, the louvre is provided with a plurality ofly, louvre and fin have the radiating action, setting through a plurality of louvres, use for a long time at the fuel pump body, and oil in the oil tank is consumed up soon, when the fuel pump body can not obtain effective heat dissipation, can dispel the heat to the fuel pump body through fin and louvre, the upper end of louvre is provided with the separation blade again, through the setting of separation blade, not only can not influence the heat dissipation, still have dustproof effect, can prevent that the dust from.

Drawings

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

FIG. 2 is a side view of the fuel pump body of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is an enlarged view of the position B of the present invention.

The reference numbers in the figures illustrate:

the fuel pump comprises a fuel pump body 1, a lower shell 2, an upper shell 3, a lower connecting block 4, an upper connecting block 5, a lower sealing gasket 6, an upper sealing gasket 7, a limiting rod 8, a limiting groove 9, a sliding groove 10, a clamping rod 11, a circular ring 12, a spring 13, a retaining ring 14, a clamping groove 15, a radiating fin 16, a heat conducting fin 17, a flow guide hole 18, a radiating hole 19 and a blocking piece 20.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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.

Example 1:

referring to fig. 1-4, a novel fuel pump comprises a fuel pump body 1, referring to fig. 1-4, a lower housing 2 is arranged at the lower end of the fuel pump body 1, an upper housing 3 is arranged at the upper end of the fuel pump body 1, the upper housing 3 and the lower housing 2 have the function of sealing the fuel pump body 1 and the function of protecting internal parts of the fuel pump body 1, the upper end of the lower housing 2 is slidably connected with the upper housing 3, the left and right ends of the lower housing 2 are symmetrically connected with lower connecting blocks 4, the left and right ends of the upper housing 3 are symmetrically connected with upper connecting blocks 5, the upper connecting blocks 5 are in contact with the lower connecting blocks 4, a limiting rod 8 is fixedly connected to the upper end of the lower connecting blocks 4, the limiting rod 8 has the limiting function, a limiting groove 9 is arranged at the lower end of the upper connecting block 5, the limiting rod 8 is clamped with, the transverse positions of the upper shell 3 and the lower shell 2 are limited, so that the upper shell and the lower shell can only vertically move but can not transversely move, and the upper shell and the lower shell can be fixed conveniently at the later stage, the right end of the upper connecting block 5 is provided with a sliding groove 10, a clamping rod 11 is connected in the sliding groove 10 in a sliding way, the clamping rod 11 has the function of fixing the upper shell 3 and the lower shell 2, the outer surface of the clamping rod 11 is fixedly sleeved with a circular ring 12, the circular ring 12 has the function of supporting a spring 13, the right end of the sliding groove 10 is fixedly connected with a baffle ring 14, the baffle ring 14 can prevent the clamping rod 11, the circular ring 12 and the spring 13 from separating from the sliding groove 10, the upper end of the upper shell 3 is provided with a radiating fin 16, the radiating fin 16 has a good radiating effect, the radiating effect of the auxiliary fuel pump body 1 is achieved, the inside of the radiating, the heat conducting fin 17 is provided with a flow guiding hole 18, the flow guiding hole 18 is in a horn shape, the upper part is large, the lower part is small, and the flow guiding hole 18 can guide heat of the fuel pump body 1 into the heat dissipation hole 19, so that heat dissipation is performed.

Referring to fig. 1, 2 and 4, a lower sealing gasket 6 is attached to the upper end of a lower housing 2, an upper sealing gasket 7 is attached to the lower end of an upper housing 3, the upper sealing gasket 7 is in contact with the lower sealing gasket 6, the upper sealing gasket 7 and the lower sealing gasket 6 are made of rubber, the rubber is soft and has good sealing performance, a gap generated when the upper housing 3 and the lower housing 2 are connected can be sealed through the arrangement of the upper sealing gasket 7 and the lower sealing gasket 6, the sealing performance inside the fuel pump body 1 is ensured, a spring 13 is sleeved on the outer surface of a clamping rod 11 in a sliding manner, the spring 13 is a return spring, the spring 13 has a return function, the left end of the spring 13 is in contact with a circular ring 12, the right end of the spring 13 is in contact with a baffle ring 14, and the clamping rod 11 is conveniently clamped with a clamping groove 15 through the return function of the spring 13, so as to fix.

Referring to fig. 1, 3 and 4, the right end of the clamping rod 11 is slidably connected to the stop ring 14, the right end of the limiting rod 8 is provided with a clamping groove 15, the left end of the clamping rod 11 is clamped with the clamping groove 15, the upper casing 3 and the lower casing 2 can be fixed, the surface of the heat sink 16 is provided with a plurality of heat dissipation holes 19, the heat dissipation holes 19 and the heat sink 16 have heat dissipation function, through the arrangement of the plurality of heat dissipation holes 19, when the fuel pump body 1 is used for a long time and the oil in the oil tank is consumed up quickly, and the fuel pump body 1 can not radiate heat effectively, can dispel the heat to the fuel pump body 1 through fin 16 and louvre 19, louvre 19 sets up to rectangular shape, and the upper end of louvre 19 is provided with separation blade 20, and separation blade 20 not only does not influence the heat dissipation of louvre 19, still has dustproof effect, can prevent that the dust from the louvre 19 falls into the fuel pump body 1.

When the novel fuel pump is used, the fuel pump body 1 is used for a long time, a large amount of heat is generated, when heat dissipation is needed, the heat conducting plate 17 guides the heat of the fuel pump body 1 out, and the heat is dissipated from the heat dissipating holes 19 formed in the heat dissipating fins 16 through the flow guiding holes 18, so that the fuel pump body 1 is dissipated, the upper ends of the heat dissipating holes 19 are provided with the blocking pieces 20, the blocking pieces 20 have a dustproof effect, so that dust cannot fall into the fuel pump body 1, the service life of the fuel pump is influenced, when the fuel pump body 1 needs to be disassembled to overhaul the inside of the fuel pump body, the blocking rod 11 is pulled rightwards, the blocking rod 11 drives the circular ring 12 to move rightwards, the circular ring 12 has right pressure on the spring 13, the spring 13 is compressed, the blocking rod 11 moves rightwards to be separated from the clamping groove 15 formed in the limiting rod 8, make the spacing groove 9 that goes up connecting block 5 and be provided with break away from the gag lever post 8 that connecting block 4 was provided with down, can realize going up the purpose that casing 3 dismantled, dismantle the back with it, can overhaul easy operation, convenient to use to fuel pump body 1 inside.

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. The utility model provides a novel fuel pump, includes fuel pump body (1), its characterized in that: the lower end of the fuel pump body (1) is provided with a lower shell (2), the upper end of the fuel pump body (1) is provided with an upper shell (3), the upper end of the lower shell (2) is connected with the upper shell (3) in a sliding manner, the left end and the right end of the lower shell (2) are symmetrically connected with lower connecting blocks (4), the left end and the right end of the upper shell (3) are symmetrically connected with upper connecting blocks (5), the upper connecting blocks (5) are in contact with the lower connecting blocks (4), the upper end of the lower connecting blocks (4) is fixedly connected with a limiting rod (8), the lower end of the upper connecting blocks (5) is provided with a limiting groove (9), the limiting rod (8) is connected with the limiting groove (9) in a clamping manner, the right end of the upper connecting blocks (5) is provided with a sliding groove (10), the sliding groove (10) is connected with a clamping rod (11) in a, the right end of the sliding groove (10) is fixedly connected with a baffle ring (14), the upper end of the upper shell (3) is provided with a radiating fin (16), a heat conducting fin (17) is arranged inside the radiating fin (16), and the heat conducting fin (17) is provided with a flow guide hole (18).

2. The fuel pump of claim 1, wherein: lower casing (2) upper end laminating has lower sealing gasket (6), the lower extreme laminating of going up casing (3) has upper seal pad (7), upper seal pad (7) and lower sealing gasket (6) contact.

3. The fuel pump of claim 1, wherein: the outer surface of the clamping rod (11) is sleeved with a spring (13) in a sliding mode, the left end of the spring (13) is in contact with the circular ring (12), and the right end of the spring (13) is in contact with the retaining ring (14).

4. The fuel pump of claim 1, wherein: the right-hand member of kelly (11) and fender ring (14) sliding connection, the right-hand member of gag lever post (8) is provided with draw-in groove (15), the left end and draw-in groove (15) joint of kelly (11).

5. The fuel pump of claim 1, wherein: the surface of the radiating fin (16) is provided with radiating holes (19), the radiating holes (19) are arranged to be strip-shaped, and blocking pieces (20) are arranged at the upper ends of the radiating holes (19).