CN220487748U - Common rail pipe of low vibration - Google Patents

Abstract

The utility model discloses a low-vibration common rail pipe which comprises a common rail pipe body, wherein the bottom surface of the common rail pipe body is fixedly communicated with a plurality of communicating pipes, the outer surface of each communicating pipe is in threaded connection with a threaded pipe, the bottom end of each threaded pipe is fixedly connected with a sealing pipe, the inner ring of each sealing pipe is fixedly connected with a limiting ring, the upper surface of each limiting ring is fixedly connected with a sealing pad, the upper surface of each sealing pad is tightly contacted with the bottom end of each communicating pipe, the outer surface of each communicating pipe is fixedly connected with a locating ring, the bottom surface of each locating ring is fixedly connected with a threaded plate, the outer surface of each threaded plate is in threaded connection with a reinforcing sleeve, and the inner ring of each reinforcing sleeve is fixedly connected with a threaded connecting ring. This device can make spacing ring and sealed pad seal more firmly sealed pipe and communicating pipe, improves the sealed effect after common rail pipe and the oil delivery hose connection, avoids the problem that the oil leak appears in common rail pipe and oil delivery hose junction, can make the common rail pipe possess the characteristics of low vibration.

Description

Common rail pipe of low vibration

Technical Field

The utility model relates to the field of common rail pipes, in particular to a low-vibration common rail pipe.

Background

The task of the common rail pipe is to store high-pressure fuel, the pressure fluctuation generated by the fuel supply and the fuel injection of the high-pressure pump is buffered by the volume of the common rail pipe, and the common rail pressure shared by all cylinders is kept constant when a large fuel quantity is output, so that the fuel injection pressure is unchanged when the fuel injector is opened, the common rail pipe is usually filled with the high-pressure fuel, the high-pressure fuel is fully utilized to compress the fuel to keep the storage pressure, and the high-pressure pump is utilized to compensate the pressure fluctuation generated by the pulsation fuel supply, so that the pressure in the common rail pipe is approximately constant even if the fuel is injected from the common rail pipe.

The common rail pipe is an important component part of the engine, but the sealing effect is poor after the common rail pipe is connected with an oil delivery hose at present, the problem of oil leakage easily occurs at the joint of the common rail pipe and the oil delivery hose, and the defect of oil quantity can lead to high-frequency vibration of the engine and damage to the operation of the engine.

Disclosure of Invention

The utility model aims to provide a common rail pipe with low vibration so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a low common rail pipe that shakes, includes the common rail body, the bottom surface fixed intercommunication of common rail body has a plurality of communicating pipes, the surface threaded connection of communicating pipe has the screwed pipe, the bottom fixedly connected with sealed pipe of screwed pipe, the inner circle fixedly connected with spacing collar of sealed pipe, the last fixed surface of spacing collar is connected with sealed pad, the upper surface and the bottom in close contact of communicating pipe of sealed pad, the surface fixedly connected with holding ring of communicating pipe, the bottom surface fixedly connected with screwed plate of holding ring, the surface threaded connection of screwed plate has the cover of consolidating, the inner circle fixedly connected with screwed connection ring of consolidating the cover.

In a further embodiment, two mounting pieces are fixedly connected to the outer surface of the common rail pipe body, and mounting holes are formed in the front faces of the two mounting pieces.

In a further embodiment, the left end of the common rail pipe body is fixedly connected with a high-pressure sensor, and the left end of the high-pressure sensor is fixedly connected with a connector.

In a further embodiment, the inner ring of the threaded connection ring is in threaded connection with the outer surface of the threaded pipe, and the bottom end of the sealing pipe is fixedly communicated with an oil delivery hose.

In a further embodiment, the front surface of the common rail pipe body is fixedly connected with a nameplate, and the nameplate is positioned above the communicating pipe.

Compared with the prior art, the utility model has the beneficial effects that:

this device is through the communicating pipe that is equipped with, can make the screwed pipe rotate on the surface of communicating pipe, will make preliminary intercommunication installation between screwed pipe and the communicating pipe, through the screw thread board that is equipped with and reinforcement cover, and with threaded connection ring's cooperation, can deepen screwed pipe and communicating pipe between be connected, will make screwed pipe and communicating pipe intercommunication installation more firm, can make spacing ring and sealing washer seal sealed pipe and communicating pipe more firm, improve the sealed effect after common rail pipe and the oil hose connection, avoid the common rail pipe to appear the problem of oil leak with oil hose connection department, can make the common rail pipe possess low shock characteristics.

Drawings

Fig. 1 is a schematic perspective view of a front view of a common rail pipe with low vibration.

Fig. 2 is a schematic perspective view of a side view of a common rail with low vibration.

Fig. 3 is a cross-sectional view of an elevation view of a communication tube in a common rail tube with low oscillations.

Fig. 4 is a schematic diagram of a common rail tube with low oscillation and partially enlarged at a in fig. 2.

In the figure: 1. a common rail pipe body; 2. a communicating pipe; 3. a threaded tube; 4. sealing the tube; 5. an oil delivery hose; 6. a limiting ring; 7. a sealing gasket; 8. a thread plate; 9. reinforcing the sleeve; 10. a threaded connection ring; 11. a positioning ring; 12. a high-pressure sensor; 13. a connector; 14. a mounting member; 15. a mounting hole; 16. a nameplate.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the present utility model, a low-vibration common rail pipe includes a common rail pipe body 1, a plurality of communicating pipes 2 are fixedly connected to the bottom surface of the common rail pipe body 1, the outer surface of the communicating pipes 2 is in threaded connection with a threaded pipe 3, the bottom end of the threaded pipe 3 is fixedly connected with a sealing pipe 4, the inner ring of the sealing pipe 4 is fixedly connected with a limiting ring 6, the upper surface of the limiting ring 6 is fixedly connected with a sealing gasket 7, the upper surface of the sealing gasket 7 is in close contact with the bottom end of the communicating pipe 2, the outer surface of the communicating pipe 2 is fixedly connected with a positioning ring 11, the bottom surface of the positioning ring 11 is fixedly connected with a threaded plate 8, the outer surface of the threaded plate 8 is in threaded connection with a reinforcing sleeve 9, and the inner ring of the reinforcing sleeve 9 is fixedly connected with a threaded connection ring 10.

The surface fixedly connected with two installed parts 14 of common rail body 1, the mounting hole 15 has all been seted up in the front of two installed parts 14, and the fixed intercommunication in left end of common rail body 1 has high pressure sensor 12, and the fixed intercommunication in left end of high pressure sensor 12 has connector 13, through installed part 14 and mounting hole 15, can conveniently install fixedly common rail body 1, utilizes connector 13 to be convenient for communicate with fuel feed pipe.

The inner ring of the threaded connection ring 10 is in threaded connection with the outer surface of the threaded pipe 3, the oil conveying hose 5 is fixedly connected with the bottom end of the sealing pipe 4, the nameplate 16 is fixedly connected with the front face of the common rail pipe body 1, the nameplate 16 is located above the communicating pipe 2, the oil conveying hose 5 can be communicated with the communicating pipe 2, and the product identification of the common rail pipe body 1 can be known by the nameplate 16.

The working principle of the utility model is as follows: firstly, the common rail pipe body 1 is installed and fixed through the mounting piece 14 and the mounting hole 15, then the threaded pipe 3 is taken, the threaded pipe 3 rotates on the surface of the communicating pipe 2, meanwhile, the limiting ring 6 and the sealing gasket 7 are driven to move until the sealing gasket 7 is in close contact with the bottom of the communicating pipe 2, then the reinforcing sleeve 9 is rotated downwards, the threaded connection ring 10 can be driven to be in threaded fit with the surface of the threaded pipe 3, the threaded pipe 3 is communicated with the communicating pipe 2 to be installed more firmly, and then the oil conveying hose 5 is installed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A low-vibration common rail pipe which is characterized in that: including common rail body (1), the fixed intercommunication in bottom surface of common rail body (1) has a plurality of communicating pipes (2), the surface screw thread connection of communicating pipe (2) has screwed pipe (3), the bottom fixedly connected with sealed tube (4) of screwed pipe (3), the inner circle fixedly connected with spacing ring (6) of sealed tube (4), the upper surface fixedly connected with sealed pad (7) of spacing ring (6), the upper surface of sealed pad (7) and the bottom in close contact with of communicating pipe (2), the surface fixedly connected with holding ring (11) of communicating pipe (2), the bottom surface fixedly connected with screw thread board (8) of holding ring (11), the surface screw thread connection of screw thread board (8) has reinforcement cover (9), the inner circle fixedly connected with screwed connection ring (10) of reinforcement cover (9).

2. A low-oscillation common rail tube as claimed in claim 1, wherein: the outer surface of the common rail pipe body (1) is fixedly connected with two mounting pieces (14), and mounting holes (15) are formed in the front faces of the two mounting pieces (14).

3. A low-oscillation common rail tube as claimed in claim 1, wherein: the left end of the common rail pipe body (1) is fixedly communicated with a high-pressure sensor (12), and the left end of the high-pressure sensor (12) is fixedly communicated with a connector (13).

4. A low-oscillation common rail tube as claimed in claim 1, wherein: the inner ring of the threaded connecting ring (10) is in threaded connection with the outer surface of the threaded pipe (3), and the bottom end of the sealing pipe (4) is fixedly communicated with an oil delivery hose (5).

5. A low-oscillation common rail tube as claimed in claim 1, wherein: the front of the common rail pipe body (1) is fixedly connected with a nameplate (16), and the nameplate (16) is positioned above the communicating pipe (2).