CN219299442U

CN219299442U - Box packaging hardware of automatically controlled high pressure common rail pipe

Info

Publication number: CN219299442U
Application number: CN202222568263.5U
Authority: CN
Inventors: 冯家岁; 杨亮; 陈涛
Original assignee: Guangxi Yuchai Marine and Genset Power Co Ltd
Current assignee: Guangxi Yuchai Marine and Genset Power Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-07-04
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an electronic control high-voltage common rail pipe box type packaging device, belongs to the technical field of high-voltage common rail pipes, and solves the problems of high manufacturing and replacement difficulty and high replacement cost caused by the leakage-proof design of the existing high-voltage common rail pipe double-layer structure. The novel fuel oil discharging device comprises a common rail pipe bottom box and a common rail pipe box cover which are arranged in a split mode, wherein the common rail pipe box cover is detachably pressed on the common rail pipe bottom box to form a closed space for sealing a single-layer common rail pipe, a plurality of round holes for installing an oil inlet pipe and an oil outlet pipe are formed in the top of the joint of the common rail pipe bottom box and the common rail pipe box cover, and oil discharging holes for discharging leaked fuel oil are formed in the bottom of the common rail pipe box cover. The electronic control high-pressure common rail pipe box type packaging device can prevent high-pressure fuel from leaking and can collect the leaked fuel, and reduce the manufacturing and replacement difficulty.

Description

Box packaging hardware of automatically controlled high pressure common rail pipe

Technical Field

The utility model relates to the technical field of high-pressure common rail pipes, in particular to an electric control high-pressure common rail pipe box type packaging device.

Background

According to the requirements of China class society (hereinafter referred to as 'CCS'), the ships of the class society need to meet the requirements of the steel sea ship class Specification of the CCS, and the steel sea ship class Specification has corresponding requirements on a diesel engine on the ship, wherein the requirements on a high-pressure fuel pipe on the diesel engine have a protective effect, so that fuel oil or oil mist is prevented from being sprayed to a machine or ignition sources outside the periphery of the machine, and leaked fuel oil needs to be collected and leaked into a proper oil collecting cabinet. The high-pressure fuel pipe is usually a pipe fitting between a high-pressure fuel injection pump and a fuel injector, the high-pressure fuel pipe of a mechanical pump type is the high-pressure fuel pipe from the fuel pump to the fuel injector, and the high-pressure fuel pipe of an electronic control high-pressure common rail system type comprises the high-pressure fuel pipe from the fuel pump to the common rail pipe, the common rail pipe and the high-pressure fuel pipe from the common rail pipe to the fuel injector.

As shown in fig. 4, the conventional high-pressure oil pipe is generally a single-layer common rail pipe 1, when the single-layer common rail pipe 1 leaks, fuel oil is directly leaked and sprayed to surrounding space or parts, and the single-layer common rail pipe has no leakage prevention and collection functions and does not meet CCS requirements; as shown in fig. 5 and 6, the existing high-pressure oil pipe is a structure of a double-layer common rail pipe, and generally comprises an inner pipe a and an outer pipe b, when the inner pipe a fails and fuel leakage occurs, the outer pipe b is protected to prevent the fuel leakage, the leaked fuel leakage is in a space between the inner pipe a and the outer pipe b, and then flows out to an externally connected collector through an abnormal oil return interface c.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides the electronic control high-pressure common rail tube box type packaging device which can prevent high-pressure fuel from leaking and collect the leaked fuel, thereby reducing the manufacturing and replacement difficulties.

The technical device of the utility model is as follows: the utility model provides an automatically controlled high pressure common rail pipe box packaging hardware, includes the common rail pipe base case and the common rail pipe case lid of split type setting, the detachable pressure equipment of common rail pipe case lid on common rail pipe base case in order to form the enclosure space with individual layer common rail pipe encapsulation in, a plurality of round holes that are used for installing oil feed pipe and oil outlet pipe have been seted up at the top of common rail pipe base case and common rail pipe case lid laminating department, the bottom of common rail pipe case lid is equipped with the oil drain hole that is used for the fuel with leaking.

Further, the common rail pipe bottom box and the common rail pipe box cover are connected through a plurality of fastening bolts.

Further, a sealing gasket is arranged between the common rail pipe bottom box and the common rail pipe box cover.

Further, a supporting seat for supporting the single-layer common rail pipe is arranged between the common rail pipe bottom box and the lower part of the inner wall of the common rail pipe box cover, and a positioning seat for positioning the single-layer common rail pipe is arranged in the middle of the common rail pipe box cover.

Further, the supporting seat corresponding to the common rail pipe bottom box is provided with a mounting hole for fastening the single-layer common rail pipe.

Further, the outer wall of the common rail pipe box cover is provided with a connecting seat connected with the engine.

Further, the outer wall of the common rail pipe box cover at the periphery of the connecting seat is provided with the reinforcing ribs which are arranged in a crossed manner

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

1. according to the electronic control high-pressure common rail pipe box type packaging device, the single-layer common rail pipe is packaged through the sealed space formed by the common rail pipe bottom box and the common rail pipe box cover, so that the protection effect is realized, and the leakage of high-pressure fuel in the single-layer common rail pipe is prevented; when the fuel oil leakage occurs in the single-layer common rail pipe, the fuel oil leaked by the single-layer common rail pipe can be discharged into the collecting tank through the oil leakage holes at the bottom box of the common rail pipe and the lower side of the box cover of the common rail pipe; the high-pressure common rail tube box type packaging device meets the requirements of the CCS for preventing high-pressure fuel from leaking and collecting leaked fuel, can prevent the high-pressure fuel from leaking and collect the leaked fuel, and reduces the manufacturing and replacement difficulty.

2. According to the electronic control high-pressure common rail pipe box type packaging device, the supporting seats are arranged in the common rail pipe bottom box and the common rail pipe box cover, the positioning seats are arranged in the common rail pipe box cover, in the packaging process, a single-layer common rail pipe is placed on the supporting seats corresponding to the common rail pipe bottom box, bolts are tightened, then the common rail pipe box cover is covered on the common rail pipe bottom box, and the single-layer common rail pipe is firmly clamped in the common rail pipe bottom box and the common rail pipe box cover by utilizing the supporting seats and the positioning seats corresponding to the single-layer common rail pipe box cover.

Drawings

FIG. 1 is an exploded view of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure E-E of FIG. 2;

FIG. 4 is a schematic view of a conventional single-layer common rail pipe structure;

FIG. 5 is a schematic view of a conventional double-layer common rail pipe structure;

FIG. 6 is a schematic cross-sectional view of H-H in FIG. 5.

Wherein: 1-single-layer common rail pipe, 2-common rail pipe bottom box, 3-common rail pipe box cover, 4-round hole, 5-oil drain hole, 6-supporting seat, 7-positioning seat, 8-mounting hole, 9-connecting seat, 10-reinforcing rib, a-inner pipe, b-outer pipe and c-abnormal oil return interface.

Detailed Description

The utility model will be further described with reference to specific embodiments in the drawings.

Referring to fig. 1-3, the electronic control high-voltage common rail pipe box type packaging device comprises a common rail pipe bottom box 2 and a common rail pipe box cover 3 which are arranged in a split mode, wherein the common rail pipe box cover 3 is detachably pressed on the common rail pipe bottom box 2 to form a closed space for packaging a single-layer common rail pipe 1, so that the single-layer common rail pipe 1 is conveniently detached, and the single-layer common rail pipe box type packaging device is convenient to assemble and disassemble, thereby realizing maintenance of the single-layer common rail pipe 1, meanwhile, two split parts do not need to be integrally manufactured with the single-layer common rail pipe 1, the manufacturing is convenient, the cost is lower, and the packaging can be carried out on the existing single-layer common rail pipe 1, and the use is more convenient; a plurality of round holes 4 for installing oil inlet pipe and oil outlet pipe are offered at the top of common rail pipe end case 2 and common rail pipe case lid 3 laminating department, make things convenient for oil inlet pipe, oil outlet pipe to stretch into in the enclosure space and be connected with individual layer common rail pipe 1, realize high-pressure fuel pipeline intercommunication, be equipped with in the bottom of common rail pipe case lid 3 and be used for with leaking fuel exhaust drain hole 5, conveniently discharge the fuel that leaks to the collection tank in.

According to the electronic control high-pressure common rail pipe box type packaging device, the single-layer common rail pipe 1 is packaged by forming a closed space through the common rail pipe bottom box 2 and the common rail pipe box cover 3, so that a protection effect is realized, and high-pressure fuel in the single-layer common rail pipe 1 is prevented from leaking; when the fuel oil leakage occurs in the single-layer common rail pipe, the fuel oil leaked by the single-layer common rail pipe 1 can be discharged into the collecting tank through the drain holes 5 at the lower sides of the common rail pipe bottom box 2 and the common rail pipe box cover 3; the high-pressure common rail tube box type packaging device meets the requirements of the CCS for preventing high-pressure fuel from leaking and collecting leaked fuel, can prevent the high-pressure fuel from leaking and collect the leaked fuel, and reduces the manufacturing and replacement difficulty.

Preferably, the common rail pipe bottom box 2 and the common rail pipe box cover 3 are connected through a plurality of fastening bolts, so that the common rail pipe bottom box is convenient to assemble and disassemble. Further, a gasket is arranged between the common rail pipe bottom box 2 and the common rail pipe box cover 3, so that the tightness between the two is improved.

Preferably, a supporting seat 6 for supporting the single-layer common rail pipe 1 is arranged between the common rail pipe bottom box 2 and the lower part of the inner wall of the common rail pipe box cover 3, and a positioning seat 7 for positioning the single-layer common rail pipe 1 is arranged in the middle of the common rail pipe box cover 3. Further, mounting holes 8 for fastening the single-layer common rail pipe 1 are formed in the supporting seats 6 corresponding to the common rail pipe bottom boxes 2.

According to the electronic control high-pressure common rail pipe box type packaging device, the supporting seat 6 is arranged in the common rail pipe bottom box 2 and the common rail pipe box cover 3, the positioning seat 7 is arranged in the common rail pipe box cover 3, in the packaging process, the single-layer common rail pipe 1 is placed on the supporting seat 6 corresponding to the common rail pipe bottom box 2, bolts are tightened, then the common rail pipe box cover 3 is covered on the common rail pipe bottom box 2, and the single-layer common rail pipe 1 is firmly clamped in the common rail pipe bottom box 2 and the common rail pipe box cover 3 by means of the corresponding supporting seat 6 and the positioning seat 7.

Preferably, a connecting seat 9 connected with the engine is arranged on the outer wall of the common rail pipe box cover 3, so that the whole packaging device is convenient to connect with the engine. Further, the outer wall of the common rail pipe box cover 3 at the periphery of the connecting seat 9 is provided with reinforcing ribs 10 which are arranged in a crossing way, so that the structural strength of the common rail pipe box cover 3 is improved.

While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The utility model provides an automatically controlled high pressure common rail pipe box packaging hardware, its characterized in that, including split type common rail pipe end case (2) and common rail pipe case lid (3) that set up, common rail pipe case lid (3) detachable pressure equipment on common rail pipe end case (2) with form the enclosure space including the encapsulation of individual layer common rail pipe (1), a plurality of round holes (4) that are used for installing oil feed pipe and oil outlet pipe have been seted up at the top of common rail pipe end case (2) and common rail pipe case lid (3) laminating department, the bottom of common rail pipe case lid (3) is equipped with and is used for the fuel exhaust drain hole (5) with leaking.

2. The electronic control high-voltage common rail pipe box type packaging device according to claim 1, wherein the common rail pipe bottom box (2) and the common rail pipe box cover (3) are connected through a plurality of fastening bolts.

3. The electronic control high-voltage common rail pipe box type packaging device according to claim 2, wherein a sealing gasket is arranged between the common rail pipe bottom box (2) and the common rail pipe box cover (3).

4. The electronic control high-voltage common rail pipe box type packaging device according to claim 1, wherein a supporting seat (6) for supporting the single-layer common rail pipe (1) is arranged between the common rail pipe bottom box (2) and the lower part of the inner wall of the common rail pipe box cover (3), and a positioning seat (7) for positioning the single-layer common rail pipe (1) is arranged in the middle of the common rail pipe box cover (3).

5. The electronic control high-voltage common rail pipe box type packaging device according to claim 4, wherein the supporting seat (6) corresponding to the common rail pipe bottom box (2) is provided with a mounting hole (8) for fastening the single-layer common rail pipe (1).

6. An electrically controlled high pressure common rail box package according to any one of claims 1-5, wherein the outer wall of the common rail box cover (3) is provided with a connection seat (9) for connection with an engine.

7. The electronic control high-voltage common rail pipe box type packaging device according to claim 6, wherein the outer wall of the common rail pipe box cover (3) at the periphery of the connecting seat (9) is provided with reinforcing ribs (10) which are arranged in a crossing manner.