CN219587679U - Fuel pump with damping function - Google Patents

Abstract

The utility model discloses a fuel pump with shock absorption, which relates to the technical field of locomotive accessories and comprises an upper half shock absorption box, a lower half shock absorption box and a fuel pump main body, wherein an air inlet is formed in the top of the upper half shock absorption box, heat dissipation openings are formed in the two sides of the upper half shock absorption box and the lower half shock absorption box, fixing plates are fixedly connected to the two sides of the upper half shock absorption box and the two sides of the lower half shock absorption box, bolts are movably connected to the inside of the fixing plates, a fixing sleeve plate is fixedly connected to the inside of the lower half shock absorption box, shock absorption mechanisms are movably connected to the two sides of the fixing sleeve plate, a driving motor is fixedly connected to the inner wall of the upper half shock absorption box, and a heat dissipation fan is fixedly connected to the output end of the driving motor. According to the utility model, the movable rod is shifted left and right in the chute, the connecting plate resists the surface of the position part of the fuel pump main body, and the two springs between the first buffer component and the second buffer component can further vibrate in a consumed way due to two-phase expansion and contraction, so that the buffering effect is achieved.

Description

Fuel pump with damping function

Technical Field

The utility model relates to the technical field of locomotive accessories, in particular to a fuel pump with shock absorption.

Background

At present, most of the automobile type fuel pump bodies are arranged in a locomotive fuel tank, the fuel pump body driven by electricity consists of a pump body, a permanent magnet motor and a shell, the permanent magnet motor drives the pump body to rotate when being electrified, fuel is sucked from an oil inlet and flows through the inside of the electric fuel pump body, and then is extruded from an oil outlet to supply fuel to the inside of the electric fuel pump body, the fuel flows through the inside of the electric fuel pump body to play a cooling role on an armature of the permanent magnet motor, and also called a wet fuel pump body, the motor part of the electric fuel pump body comprises a permanent magnet fixed on the shell, an armature generating electromagnetic moment and an electric brush device arranged on the shell, the electric brush is contacted with a commutator on the armature, and leads to a connecting post on the shell, so that voltage for controlling the electric fuel pump body is led to two ends of the shell of the electric fuel pump body to be curled and riveted, and all parts are assembled into a non-detachable assembly. The following problems exist in the prior art:

in summary, the fuel pump is installed in the locomotive fuel tank as an important component of the locomotive fuel supply system, and is used for delivering the fuel in the fuel tank to the locomotive engine, and because the locomotive is driving, the body is vibrating all the time, the internal fuel pump body is also vibrating, so the service life of the fuel pump body is reduced, when the existing fuel pump body is in use, the fuel on the surface of the pump body flows naturally, the temperature of the surface of the fuel pump is increased after the locomotive is driving for a long time, and the cooling performance of the fuel pump body is poor, so the service life of the fuel pump body is reduced.

Disclosure of Invention

The utility model provides a fuel pump with shock absorption to solve the problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a take absorbing fuel pump, includes first half shock-absorbing tank, second half shock-absorbing tank and fuel pump main part, the inside of first half shock-absorbing tank and second half shock-absorbing tank cup joints with the surface of fuel pump main part, the air inlet has been seted up at the top of first half shock-absorbing tank, the thermovent has been seted up to the both sides of first half shock-absorbing tank and second half shock-absorbing tank, the both sides fixedly connected with fixed plate of first half shock-absorbing tank and second half shock-absorbing tank, the inside swing joint of fixed plate has the bolt, the fixed sleeve of inside fixedly connected with of second half shock-absorbing tank, the both sides swing joint of fixed sleeve has damper, damper's bottom and the inner wall both sides fixedly connected with of second half shock-absorbing tank, the fixed box in top fixedly connected with of first half shock-absorbing tank, the inner wall fixedly connected with driving motor of first half shock-absorbing tank, driving motor's output fixedly connected with heat dissipation fan.

The technical scheme of the utility model is further improved as follows: the damping device is characterized in that a first damping component and a second damping component are fixedly connected to two sides of the inner wall of one end of the lower half damping box, the first damping component comprises a fixed pipe, a second spring and a connecting pipe, the inner part of the fixed pipe is sleeved with the outer part of the connecting pipe, the outer part of the connecting pipe is sleeved with the inner part of the second spring, and a connecting plate is fixedly connected to the bottom of the fixed pipe.

By adopting the technical scheme, the buffer component I and the buffer component II in the scheme are matched, so that the spring can be stretched and contracted two phases to further realize the effect of vibration absorption.

The technical scheme of the utility model is further improved as follows: the structure of the buffer assembly I is the same as that of the buffer assembly II, the back connection structures of the buffer assembly I and the buffer assembly II and the connecting plate are opposite to each other, and the surface of the connecting plate is overlapped with the tail end of the fuel pump main body.

By adopting the technical scheme, the first buffer component, the second buffer component and the connecting plate in the scheme are matched, and the nylon clothing part is used for buffering and damping the main body of the fuel pump.

The technical scheme of the utility model is further improved as follows: the damping mechanism comprises a hollow pipe and a movable rod, wherein the inside of the hollow pipe is sleeved with the outside of the movable rod, sliding grooves are formed in two sides of the fixed sleeve plate, and one end of the movable rod is sleeved with the inside of each sliding groove.

By adopting the technical scheme, the damping mechanism in the scheme is matched with the fixed sleeve plate, the movable rod moves left and right along the chute, and the movable rods on two sides swing irregularly left and right, so that the vibration of the fuel pump main body is consumed, and the damping effect is achieved.

The technical scheme of the utility model is further improved as follows: the upper and lower surface of one end of movable rod is provided with the slider, the draw-in groove has been seted up from top to bottom to the inner wall of spout, the outside and the inside joint of draw-in groove of slider.

By adopting the technical scheme, the sliding block and the clamping groove in the scheme are matched, and the sliding block is in buckling connection with the clamping groove, so that the damping mechanism and the fixed sleeve plate are connected.

The technical scheme of the utility model is further improved as follows: the movable groove is formed in the outer end of the hollow pipe, the first spring is fixedly connected to the inner wall of the hollow pipe, one end of the first spring is fixedly connected with the bottom of the movable rod, the limit groove is formed in the middle of the movable rod, the sleeve rod is sleeved in the limit groove, and the bottom of the sleeve rod is fixedly connected with the inner wall of the hollow pipe.

By adopting the technical scheme, the movable groove and the limiting groove in the scheme are matched, the movable rod shakes left and right along the movable groove, and the limiting groove has the limiting effect on the movable rod.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a fuel pump with shock absorption, which adopts a fixed sleeve plate, a shock absorption mechanism, a chute, a clamping groove, a hollow pipe, a movable rod, a sliding block, a limiting groove, a movable groove, a first spring and a sleeve rod to be matched, wherein a lower half shock absorption box is arranged on the fixed sleeve plate, when a fuel pump main body vibrates, the movable rod deflects left and right in the chute, meanwhile, a connecting plate resists the surface of the position part of the fuel pump main body, and the two springs between a first buffer component and a second buffer component can further absorb the vibration in a two-phase expansion mode, so that the shock absorption effect is achieved, the problem that the service life of the fuel pump main body can be reduced is solved, and the beneficial effects of buffering and shock absorption to the fuel pump and reducing faults are achieved in driving are achieved.

2. The utility model provides a fuel pump with shock absorption, which adopts the cooperation between an air inlet, a heat radiation opening, a fixed box, a driving motor and a heat radiation fan, and drives the heat radiation fan to rotate through the driving motor, so that heat generated in an upper half shock absorption box and a lower half shock absorption box is discharged along the heat radiation openings on two sides, the lower half shock absorption box is enabled to radiate, the problem that when the conventional fuel pump body is used, fuel on the surface of a pump body naturally flows, after a locomotive runs for a long time, the temperature of the surface of the fuel pump is increased, and the cooling performance of the fuel pump body is poor, so that the service life of the fuel pump body is reduced, and the beneficial effects of radiating the fuel pump body and prolonging the service life are achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

FIG. 3 is a schematic side cross-sectional view of the structure of the present utility model;

FIG. 4 is a schematic top view of the shock absorbing mechanism of the present utility model.

In the figure: 1. an upper half shock absorption box; 2. a lower half shock absorption box; 3. a fuel pump body; 4. an air inlet; 5. a heat radiation port; 6. a fixing plate; 7. a bolt; 8. fixing the sleeve plate; 801. a chute; 8010. a clamping groove; 9. a damping mechanism; 91. a hollow tube; 901. a movable groove; 92. a movable rod; 920. a limit groove; 921. a slide block; 93. a first spring; 94. a loop bar; 10. a connecting plate; 11. a first buffer assembly; 110. a fixed tube; 112. a second spring; 113. a connecting pipe; 12. a buffer assembly II; 14. a fixed box; 15. a driving motor; 16. a heat dissipation fan.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a fuel pump with shock absorption, which comprises an upper half shock absorption box 1, a lower half shock absorption box 2 and a fuel pump main body 3, wherein the inner parts of the upper half shock absorption box 1 and the lower half shock absorption box 2 are sleeved with the surface of the fuel pump main body 3, an air inlet 4 is formed in the top of the upper half shock absorption box 1, heat dissipation openings 5 are formed in the two sides of the upper half shock absorption box 1 and the lower half shock absorption box 2, fixing plates 6 are fixedly connected to the two sides of the upper half shock absorption box 1 and the lower half shock absorption box 2, bolts 7 are movably connected to the inner parts of the fixing plates 6, a fixing sleeve plate 8 is fixedly connected to the inner part of the lower half shock absorption box 2, shock absorption mechanisms 9 are movably connected to the two sides of the inner wall of the lower half shock absorption box 2, a fixing box 14 is fixedly connected to the top of the upper half shock absorption box 1, a driving motor 15 is fixedly connected to the inner wall of the upper half shock absorption box 1, and a heat dissipation fan 16 is fixedly connected to the output end of the driving motor 15, thereby achieving the beneficial effects of buffering and shock absorption of the fuel pump in driving, reducing faults and prolonging the service life of the main body 3.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, one end inner wall both sides fixedly connected with buffer assembly one 11 and buffer assembly two 12 of lower half damper box 2, buffer assembly one 11 includes fixed pipe 110, spring two 112 and connecting pipe 113, the inside of fixed pipe 110 cup joints with the outside of connecting pipe 113, the outside of connecting pipe 113 cup joints with the inside of spring two 112, the bottom fixedly connected with connecting plate 10 of fixed pipe 110, the cooperation between buffer assembly one 11 and the buffer assembly two 12 for the spring two 112 is flexible can further to the effect of consuming vibrations in opposite directions, buffer assembly one 11 and buffer assembly two 12's structure is the same, buffer assembly one 11 and buffer assembly two 12 are mutually opposite with the back connection structure of connecting plate 10, the surface of connecting plate 10 overlaps with the tail end of main part 3, buffer assembly one 11, the cooperation between buffer assembly two 12 and the connecting plate 10, nylon clothing portion carries out the buffering cushioning effect to main part 3, damper 9 includes hollow tube 91 and movable rod 92, the inside of hollow tube 91 and the outside of movable rod 92, the spout 801 has been seted up to the both sides of fixed sleeve plate 8, the one end of movable rod 92 cup joints with the inside of spout 801, the inside of spout 801 and the inside 9 and the movable sleeve plate 92 are fitted with the movable sleeve plate 8, the pump 92 carries out the effect of the vibration absorbing vibration is carried out the left and right side 3 is the side of the pump is not regularly is moved to the pump 3 because of the back connection structure is mutually opposite, the vibration absorbing vibration is carried out to the left side of the pump 3.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the upper and lower surface of the one end of movable rod 92 is provided with slider 921, draw-in groove 8010 has been seted up from top to bottom to the inner wall of spout 801, the outside of slider 921 and the inside joint of draw-in groove 8010, cooperation between slider 921 and the draw-in groove 8010, carry out the buckle between slider 921 and the draw-in groove 8010 and be connected, thereby the effect of being connected between damper 9 and fixed sleeve plate 8, movable groove 901 has been seted up to the outer end of hollow tube 91, the inner wall fixedly connected with spring 93 of hollow tube 91, the one end of spring 93 and the bottom fixed connection of movable rod 92, spacing groove 920 has been seted up at the middle part of movable rod 92, the loop bar 94 has been cup jointed to the inside of spacing groove 920, the bottom of loop bar 94 and the inner wall fixed connection of hollow tube 91, cooperation between movable groove 901 and the spacing groove 920, movable rod 92 rocks about the movable groove 901, spacing groove 920 carries out spacing to movable rod 92.

The working principle of the fuel pump with shock absorption is specifically described below.

As shown in fig. 1-4, the vibration generated during the running of the locomotive causes the fuel pump main body 3 to vibrate along with the vibration, during the vibration, the movable rod 92 moves left and right along the inside of the chute 801, so that the slide block 921 slides along the clamping groove 8010, during the sliding process, the movable rod 92 extrudes and deforms the first spring 93 along the inward extrusion of the hollow pipe 91, and meanwhile, the surface of the movable rod 92 swings left and right along the movable groove 901, and at the same time, under the condition that the connecting plate 10 carries out opposite extrusion and expansion on the surface of the position part of the fuel pump main body 3, the first spring 112 and the second spring 112 between the first buffer component 11 and the second buffer component 12 consume the vibration of the fuel pump main body 3, play a role in buffering and damping, reduce the occurrence of faults of the fuel pump main body 3 during the running, and secondly, the driving motor 15 drives the heat dissipation fan 16 to rotate, so that the heat generated in the upper half shock absorption box 1 and the lower half shock absorption box 2 is discharged along the heat dissipation openings 5 on the two sides, so that the service life of the lower half shock absorption box 2 is prolonged.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a take damped fuel pump, includes first half shock attenuation case (1), second half shock attenuation case (2) and fuel pump main part (3), its characterized in that: the inside of first shock-absorbing tank (1) and second shock-absorbing tank (2) cup joints with the surface of fuel pump main part (3), air inlet (4) have been seted up at the top of first shock-absorbing tank (1), thermovent (5) have been seted up to the both sides of first shock-absorbing tank (1) and second shock-absorbing tank (2), the both sides fixedly connected with fixed plate (6) of first shock-absorbing tank (1) and second shock-absorbing tank (2), the inside swing joint of fixed plate (6) has bolt (7), the inside fixedly connected with of second shock-absorbing tank (2) is fixed sleeve (8), the both sides swing joint of fixed sleeve (8) has damper (9), the bottom of damper (9) and the inner wall both sides fixedly connected with of second shock-absorbing tank (2), the top fixedly connected with fixed box (14) of first shock-absorbing tank (1), the inner wall fixedly connected with driving motor (15) of first shock-absorbing tank (1), the output fixedly connected with heat dissipation fan (16) of driving motor (15).

2. The damped fuel pump according to claim 1, wherein: the novel shock absorber is characterized in that a first buffer component (11) and a second buffer component (12) are fixedly connected to two sides of the inner wall of one end of the lower half shock absorber box (2), the first buffer component (11) comprises a fixed pipe (110), a second spring (112) and a connecting pipe (113), the inner part of the fixed pipe (110) is sleeved with the outer part of the connecting pipe (113), the outer part of the connecting pipe (113) is sleeved with the inner part of the second spring (112), and a connecting plate (10) is fixedly connected to the bottom of the fixed pipe (110).

3. The cushioned fuel pump of claim 2 wherein: the structure of the first buffer component (11) and the second buffer component (12) is the same, the back connection structure of the first buffer component (11) and the second buffer component (12) and the connecting plate (10) are opposite, and the surface of the connecting plate (10) is in lap joint with the tail end of the fuel pump main body (3).

4. The damped fuel pump according to claim 1, wherein: the damping mechanism (9) comprises a hollow pipe (91) and a movable rod (92), wherein the hollow pipe (91) is sleeved with the movable rod (92), sliding grooves (801) are formed in two sides of the fixed sleeve plate (8), and one end of the movable rod (92) is sleeved with the sliding grooves (801).

5. The damped fuel pump according to claim 4, wherein: the upper and lower surface of one end of movable rod (92) is provided with slider (921), draw-in groove (8010) have been seted up from top to bottom to the inner wall of spout (801), the outside of slider (921) and the inside joint of draw-in groove (8010).

6. The damped fuel pump according to claim 4, wherein: the movable groove (901) has been seted up to the outer end of hollow tube (91), the inner wall fixedly connected with spring (93) of hollow tube (91), the one end of spring (93) and the bottom fixed connection of movable rod (92), spacing groove (920) has been seted up at the middle part of movable rod (92), loop bar (94) has been cup jointed to the inside of spacing groove (920), the bottom of loop bar (94) and the inner wall fixed connection of hollow tube (91).