CN212429064U

CN212429064U - Noise reduction device of high-pressure oil pump in extended-range automobile engine

Info

Publication number: CN212429064U
Application number: CN202021275638.3U
Authority: CN
Inventors: 蔡文超
Original assignee: Jilin Weiyue Technology Co ltd
Current assignee: Jilin Weiyue Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-01-29
Anticipated expiration: 2030-06-30

Abstract

The utility model belongs to the equipment field of making an uproar falls, especially a device of making an uproar falls of high-pressure oil pump in range extending type automobile engine, including engine body shell and the pump body shell that is located engine body shell, engine body shell is equipped with the solid fixed ring that two symmetries set up, and gu fixed ring and the pump body shell looks adaptation that corresponds, all set up the first groove that two symmetries set up on engine body shell's top and the bottom inner wall, slidable mounting has the sliding seat in the first groove, the spread groove has been seted up to the bottom of sliding seat, has all seted up the second groove on the both sides inner wall of spread groove, slidable mounting has same sliding plate in two second grooves, the equal fixed mounting in one side that two sliding plates that are. The utility model relates to a rationally, simple structure, convenient operation carries out the pressure fast and weakens through the vibrations to pump body shell on level and vertical side to the noise to reduce the engine.

Description

Noise reduction device of high-pressure oil pump in extended-range automobile engine

Technical Field

The utility model relates to an equipment technical field of making an uproar especially relates to a device of making an uproar falls of high pressure oil pump in range extending type automobile engine.

Background

With the development of industry, noise has become one of three pollution sources in the world today. Noise not only harms people's auditory system, makes people tired, tinnitus even deaf, but also can accelerate building, mechanical structure's ageing, influences the precision and the life of equipment, but the shock attenuation of a plurality of directions can not be realized to present high pressure oil pump's the device of making an uproar of falling, adopts single shock attenuation can not make the absorbing effect better, has the problem of being not convenient for fall the noise to high pressure oil pump, therefore we have proposed the device of making an uproar of falling of high pressure oil pump in the extended range formula automobile engine and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that falls the noise is not convenient for fall to high-pressure oil pump among the prior art, and the device of making an uproar falls of high-pressure oil pump among the extended range formula automobile engine that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a noise reduction device of a high-pressure oil pump in a range-extending type automobile engine comprises a machine body shell and a pump body shell positioned in the machine body shell, wherein the machine body shell is provided with two symmetrically-arranged fixing rings which are matched with the corresponding pump body shell, two symmetrically-arranged first grooves are respectively arranged on the inner walls of the top and the bottom of the machine body shell, a sliding seat is arranged in the first grooves in a sliding manner, a connecting groove is arranged at the bottom of the sliding seat, second grooves are respectively arranged on the inner walls of the two sides of the connecting groove, the same sliding plate is arranged in the two second grooves in a sliding manner, one side, close to each other, of the two sliding plates on the same vertical axis is fixedly provided with one end of a fixing rod, the other end of the fixing rod is fixedly arranged on the corresponding fixing ring, one end of a first spring is fixedly arranged at, one side fixed mounting of sliding seat has the one end of second spring, the other end fixed mounting of second spring is on the inner wall of first groove, the sliding tray that two symmetries set up all is seted up on engine body shell's the both sides inner wall, slidable mounting has the removal seat in the sliding tray, the top of removing the seat and the equal fixed mounting in bottom have the one end of third spring, the other end fixed mounting of third spring is on the inner wall of sliding tray, one side of removing the seat articulates the one end that has the connecting rod, the other end of connecting rod articulates on the solid fixed ring that corresponds.

Preferably, a limiting groove is formed in the inner wall of the top of the first groove, a limiting seat is fixedly mounted at the top of the sliding seat and is in sliding connection with the corresponding limiting groove, and the sliding seat can move stably due to the fact that the limiting seat and the limiting groove are arranged.

Preferably, the inner walls of the two sides of the limiting groove are both provided with stabilizing rods, the limiting seat is provided with round holes, the inner walls of the round holes are provided with rolling balls in a rolling manner, the stabilizing rods penetrate through the round holes, and the rolling balls are in rolling connection with the corresponding stabilizing rods.

Preferably, the same limiting rod is fixedly installed on the inner wall of the top part and the inner wall of the bottom part of the sliding groove, and the movable seat is sleeved on the limiting rod in a sliding mode.

Preferably, the inner walls of the two sides of the sliding groove are both provided with a moving groove, the two sides of the moving seat are both fixedly provided with moving blocks, and the moving blocks are connected with the corresponding moving grooves in a sliding manner, so that the corresponding moving seat can stably move.

Preferably, the sound-absorbing cotton is fixedly mounted on one side, close to each other, of the two fixing rings and is matched with the pump body shell.

In the utility model, when the noise reducer of the high-pressure oil pump in the extended-range automobile engine is used, when the pump body shell vibrates in the vertical direction, the pump body shell can drive the fixing ring to move in the vertical direction, the fixing ring can drive the fixing rod and the sliding plate to move, so that the sliding plate can compress the first spring, the first spring generates elastic deformation, the fixing ring can drive the moving seat to move through the connecting rod, so that the moving seat can compress the third spring, so that the third spring can generate elastic deformation, when the pump body shell vibrates in the horizontal direction, the fixing ring drives the sliding seat to move through the fixing rod and compress the first spring, the fixing ring can drive the moving seat through the connecting rod and compress the third spring, and through the elastic deformation of the first spring, the second spring and the third spring, can whole pump body shell can keep certain stable state at the in-process of operation, through carrying out quick the pressure attenuation to the vibrations of pump body shell in level and vertical direction to the noise that reduces the engine.

The utility model relates to a rationally, simple structure, convenient operation carries out the pressure fast and weakens through the vibrations to pump body shell on level and vertical side to the noise to reduce the engine.

Drawings

Fig. 1 is a schematic structural view of a noise reduction device of a high-pressure oil pump in an extended-range automobile engine according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of a noise reduction device of a high-pressure oil pump in an extended-range automobile engine according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a noise reduction device of a high pressure oil pump in an extended range type automobile engine according to the present invention.

In the figure: 1. a body housing; 2. a pump body housing; 3. a fixing ring; 4. a first groove; 5. a sliding seat; 6. connecting grooves; 7. a second groove; 8. a first spring; 9. a sliding plate; 10. fixing the rod; 11. a second spring; 12. a sliding groove; 13. a limiting rod; 14. a movable seat; 15. a third spring; 16. a connecting rod.

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.

Referring to fig. 1-3, a noise reduction device for a high pressure oil pump in a range-extended automobile engine comprises a body shell 1 and a pump body shell 2 positioned in the body shell 1, wherein the body shell 1 is provided with two symmetrically arranged fixing rings 3, the fixing rings 3 are matched with the corresponding pump body shell 2, two symmetrically arranged first grooves 4 are respectively arranged on the inner walls of the top and the bottom of the body shell 1, a sliding seat 5 is slidably arranged in the first grooves 4, a connecting groove 6 is arranged at the bottom of the sliding seat 5, second grooves 7 are respectively arranged on the inner walls of the two sides of the connecting groove 6, the same sliding plate 9 is slidably arranged in the two second grooves 7, one side, close to each other, of the two sliding plates 9 positioned on the same vertical axis is fixedly provided with one end of a fixing rod 10, the other end of the fixing rod 10 is fixedly arranged on the corresponding fixing ring 3, and one end of a first, other end fixed mounting of first spring 8 is on the inner wall of spread groove 6, one side fixed mounting of sliding seat 5 has the one end of second spring 11, the other end fixed mounting of second spring 11 is on the inner wall of first groove 4, sliding groove 12 that two symmetries set up is all seted up on engine body shell 1's the both sides inner wall, sliding groove 12 slidable mounting has removal seat 14, the top of removing seat 14 and the equal fixed mounting in bottom have the one end of third spring 15, the other end fixed mounting of third spring 15 is on sliding groove 12's inner wall, one side of removing seat 14 articulates the one end that has connecting rod 16, the other end of connecting rod 16 articulates on corresponding solid fixed ring 3.

The utility model discloses in, seted up the spacing groove on the top inner wall of first groove 4, the top fixed mounting of sliding seat 5 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds, owing to be provided with spacing seat and spacing groove, can make sliding seat 5 carry out stable removal.

The utility model discloses in, all seted up the stabilizer bar on the both sides inner wall of spacing groove, seted up the round hole on the spacing seat, roll on the inner wall of round hole and install the ball, the stabilizer bar runs through the round hole, and ball and the stabilizer bar roll connection that corresponds.

The utility model discloses in, fixed mounting has same gag lever post 13 on the top inner wall of sliding tray 12 and the bottom inner wall, and removes 14 slip covers of seat and establish on gag lever post 13.

The utility model discloses in, all seted up the shifting chute on the both sides inner wall of sliding tray 12, the equal fixed mounting in both sides of removing seat 14 has the movable block, and movable block and the shifting chute sliding connection that corresponds can make the removal seat 14 that corresponds carry out stable removal.

The utility model discloses in, the equal fixed mounting in one side that two solid fixed rings 3 are close to each other has the sound cotton of inhaling, and inhale sound cotton and pump body shell 2 looks adaptations.

In the utility model, when the pump body housing 2 vibrates vertically, the pump body housing 2 can drive the fixed ring 3 to move vertically, the fixed ring 3 can drive the fixed rod 10 and the sliding plate 9 to move, so that the sliding plate 9 can compress the first spring 8, the first spring 8 is elastically deformed, the fixed ring 3 can drive the movable seat 14 to move through the connecting rod 16, so that the movable seat 14 can compress the third spring 15, so that the third spring 15 can generate elastic deformation, when the pump body housing 2 vibrates horizontally, the fixed ring 3 can drive the movable seat 5 to move through the fixed rod 10 and compress the first spring 8, the fixed ring 3 can drive the movable seat 14 through the connecting rod 16 and compress the third spring 15, through the elastic deformation of the first spring 8, the second spring 11 and the third spring 15, can whole pump body shell 2 can keep certain stable state at the moving in-process, through carrying out quick the pressure attenuation to pump body shell 2 vibrations in level and vertical direction to the noise that reduces the engine.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A noise reduction device of a high-pressure oil pump in a range-extended automobile engine comprises a machine body shell (1) and a pump body shell (2) positioned in the machine body shell (1), and is characterized in that the machine body shell (1) is provided with two symmetrically arranged fixing rings (3), the fixing rings (3) are matched with the corresponding pump body shell (2), the inner walls of the top and the bottom of the machine body shell (1) are respectively provided with two symmetrically arranged first grooves (4), the first grooves (4) are internally provided with a sliding seat (5) in a sliding manner, the bottom of the sliding seat (5) is provided with a connecting groove (6), the inner walls of the two sides of the connecting groove (6) are respectively provided with a second groove (7), the two second grooves (7) are internally provided with a same sliding plate (9) in a sliding manner, one side, close to each other, of the two sliding plates (9) positioned on the same vertical axis is, and the other end of the fixed rod (10) is fixedly arranged on the corresponding fixed ring (3), the top of the sliding plate (9) is fixedly provided with one end of a first spring (8), the other end of the first spring (8) is fixedly arranged on the inner wall of the connecting groove (6), one side of the sliding seat (5) is fixedly provided with one end of a second spring (11), the other end of the second spring (11) is fixedly arranged on the inner wall of the first groove (4), the inner walls of the two sides of the machine body shell (1) are respectively provided with two sliding grooves (12) which are symmetrically arranged, a movable seat (14) is arranged in the sliding grooves (12) in a sliding way, the top and the bottom of the movable seat (14) are respectively fixedly provided with one end of a third spring (15), the other end of the third spring (15) is fixedly arranged on the inner wall of the sliding groove (12), one side of the movable seat (14) is hinged with one end, the other end of the connecting rod (16) is hinged on the corresponding fixed ring (3).

2. The noise reduction device for the high-pressure oil pump in the extended range type automobile engine as claimed in claim 1, wherein a limiting groove is formed on an inner wall of the top of the first groove (4), a limiting seat is fixedly mounted on the top of the sliding seat (5), and the limiting seat is slidably connected with the corresponding limiting groove.

3. The noise reduction device for the high-pressure oil pump in the extended range type automobile engine as claimed in claim 2, wherein the inner walls of the two sides of the limiting groove are both provided with a stabilizer bar, the limiting seat is provided with a circular hole, the inner wall of the circular hole is provided with a rolling ball in a rolling manner, the stabilizer bar penetrates through the circular hole, and the rolling ball is in rolling connection with the corresponding stabilizer bar.

4. The noise reduction device for the high-pressure oil pump in the extended range type automobile engine as claimed in claim 1, wherein the same limiting rod (13) is fixedly installed on the top inner wall and the bottom inner wall of the sliding groove (12), and the moving seat (14) is slidably sleeved on the limiting rod (13).

5. The noise reduction device for the high-pressure oil pump in the extended range type automobile engine as claimed in claim 1, wherein the inner walls of the two sides of the sliding groove (12) are respectively provided with a moving groove, the two sides of the moving seat (14) are respectively fixedly provided with a moving block, and the moving blocks are slidably connected with the corresponding moving grooves.

6. The noise reduction device for the high-pressure oil pump in the extended range automobile engine as claimed in claim 1, wherein sound-absorbing cotton is fixedly mounted on the side, close to each other, of each of the two fixing rings (3), and the sound-absorbing cotton is matched with the pump body shell (2).