CN210829566U

CN210829566U - Leakage-proof safety structure of automobile high-pressure common rail

Info

Publication number: CN210829566U
Application number: CN201921656202.6U
Authority: CN
Inventors: 王金鑫
Original assignee: Jinzhai Meibang Technology Co ltd
Current assignee: Jinzhai Meibang Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-23
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a car high pressure is leak protection insurance structure of rail altogether, the connecting pipe comprises a connecting pipe, the fixed intercommunication in left end of connecting pipe has the oil supply pipe, the right-hand member fixedly connected with sensor of connecting pipe, the fixed intercommunication in bottom surface of connecting pipe has the glib talker that the equidistance was arranged, every the surface of glib talker has all seted up screw thread, every the equal threaded connection in surface of glib talker has sealed cap, every the shrinkage pool has all been seted up to the inner circle of sealed cap, every the first sealing washer of the equal fixedly connected with in surface of glib talker, every the surface of first sealing washer all contacts with the inner wall of every shrinkage pool, every the equal fixedly connected with sealing ring of inner diapire of sealed. This leak protection insurance structure of car high pressure common rail has reached and has sealed when transmitting fluid, and the phenomenon of oil leak is effectually prevented to appear to make the high pressure supply rail possess the function that prevents the oil leak, solved the not enough problem that will lead to the engine to damage of oil mass.

Description

Leakage-proof safety structure of automobile high-pressure common rail

Technical Field

The utility model relates to a high pressure is rail technical field altogether, specifically is a leak protection insurance structure of car high pressure common rail.

Background

The high-pressure common rail electric injection technology is an oil supply mode which completely separates the generation of injection pressure and the injection process in a closed-loop system consisting of a high-pressure oil pump, a pressure sensor and an electronic control unit.

However, the existing automobile high-pressure rail does not have the function of preventing oil leakage, the problem of oil leakage is easily caused in the using process, the engine is damaged due to insufficient oil, great maintenance cost is brought to automobile users, and normal running of the automobile cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car high pressure is rail's leak protection insurance structure altogether to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof safety structure of an automobile high-pressure common rail comprises a connecting pipe, wherein an oil supply pipe is fixedly communicated with the left end of the connecting pipe, a sensor is fixedly connected with the right end of the connecting pipe, oil nozzles are fixedly communicated with the bottom surface of the connecting pipe at equal intervals, threads are arranged on the outer surface of each oil nozzle, a sealing oil cap is in threaded connection with the outer surface of each oil nozzle, a concave hole is formed in the inner ring of each sealing oil cap, a first sealing ring is fixedly connected with the outer surface of each oil nozzle, the outer surface of each first sealing ring is in contact with the inner wall of each concave hole, a sealing ring is fixedly connected with the inner bottom wall of each sealing oil cap, a second sealing ring is fixedly connected with the outer surface of each oil nozzle, and the bottom surface of each second sealing ring is in contact with the top end of each sealing oil cap, every the below of sealed oil cap all is equipped with leads oil pipe, every the top of leading oil pipe all runs through every sealed oil cap and extends to the inside of every sealed oil cap, and leads oil pipe and be located the below of oil outlet nozzle, every the bottom of leading oil pipe all is fixed intercommunication has the fuel sprayer.

Preferably, the outer surface of the connecting pipe is fixedly connected with symmetrical fixing blocks, and the front surface of each fixing block is provided with a mounting hole.

Preferably, the outer surface of the connecting pipe is fixedly connected with a mark, and the mark is positioned on the front surface of the connecting pipe.

Preferably, the outer fixed surface of connecting pipe is connected with symmetrical fixed plate, the left side of connecting pipe is equipped with the fixture block, two a side that the fixed plate is close to each other all with the upper surface of fixture block and the bottom surface fixed connection of fixture block, the fixed orifices has been seted up in the front of fixture block, the left end of fuel feeding pipe runs through the fixed orifices and extends to the left side of fixed orifices, and the inner wall of fixed orifices contacts with the surface of fuel feeding pipe.

Preferably, each equal fixedly connected with guide plate in bottom of glib, every the bottom surface of guide plate all contacts with the upper surface of every sealing ring.

Preferably, the bottom end of each sealing oil cap is fixedly connected with a fixed pipe, and the bottom end of each oil guide pipe penetrates through each fixed pipe and extends to the lower part of each fixed pipe.

Advantageous effects

The utility model discloses following beneficial effect has:

1. the high-pressure rail has the advantages that the first sealing ring and the second sealing ring are connected through the oil outlet nozzle, so that the oil is sealed during oil transmission, the oil is sealed, the oil leakage phenomenon is effectively prevented, the high-pressure rail has the oil leakage prevention function, and the problem that oil leakage is easy to occur in the using process is effectively solved;

2. the rail pressure sensor who is equipped with through the connecting pipe can convert the fuel pressure in the track into the signal of telecommunication and transmit to according to the action of rail pressure control oil inlet valve, can make the better work of high pressure common rail, through the sealing ring that is equipped with on the gland nut, can deepen the sealed to fluid, improved the effect that high pressure supplied rail leak protection oil, solved the not enough problem that will lead to the engine damage of oil mass, reduced cost of maintenance for the automobile user.

Drawings

FIG. 1 is a cross-sectional view of a front view of a sealing oil cap of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a side view of the fixture block of the present invention.

In the figure: the oil injection device comprises a connecting pipe 1, an oil supply pipe 2, a sensor 3, an oil outlet nozzle 4, a sealing oil cap 5, a concave hole 6, a first sealing ring 7, a second sealing ring 8, a sealing ring 9, an oil guide pipe 10, a fixing hole 11, an oil injection nozzle 12, a guide plate 13, a fixing pipe 14, a mark 15, a fixing block 16, a fixing plate 17 and a clamping block 18.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a leakage-proof safety structure of an automobile high-pressure common rail comprises a connecting pipe 1, symmetrical fixing blocks 16 are fixedly connected to the outer surface of the connecting pipe 1, a mounting hole is formed in the front of each fixing block 16, the fixing of the connecting pipe 1 is achieved, the stability of the connecting pipe 1 is improved, a mark 15 is fixedly connected to the outer surface of the connecting pipe 1 and is located on the front of the connecting pipe 1, product information of the connecting pipe 1 can be conveniently known and used, symmetrical fixing plates 17 are fixedly connected to the outer surface of the connecting pipe 1, a clamping block 18 is arranged on the left side of the connecting pipe 1, one side face, close to each other, of each fixing plate 17 is fixedly connected with the upper surface of the clamping block 18 and the bottom surface of the clamping block 18, a fixing hole 11 is formed in the front of the clamping block 18, the left end of an oil supply pipe 2 penetrates through the fixing hole 11 and extends to the left side of, the oil supply pipe 2 can be fixed, damage to the oil supply pipe is prevented, unnecessary troubles are reduced, the left end of the connecting pipe 1 is fixedly communicated with the oil supply pipe 2, the right end of the connecting pipe 1 is fixedly connected with the sensor 3, the bottom surface of the connecting pipe 1 is fixedly communicated with the oil nozzles 4 which are arranged at equal intervals, the bottom end of each oil nozzle 4 is fixedly connected with the guide plate 13, the bottom surface of each guide plate 13 is contacted with the upper surface of each sealing ring 9, the effect of guiding oil is achieved, transmission of the oil is facilitated, the outer surface of each oil nozzle 4 is provided with threads, the outer surface of each oil nozzle 4 is in threaded connection with the sealing oil cap 5, the bottom end of each sealing oil cap 5 is fixedly connected with the fixed pipe 14, the bottom end of each oil guide pipe 10 penetrates through each fixed pipe 14 and extends to the lower part of each fixed pipe 14, and the joint of the oil guide, prevent the problem of rupture damage, shrinkage pool 6 has all been seted up to every sealed oil cap 5's inner circle, the equal fixedly connected with first sealing washer 7 of every outer surface of every oil nozzle 4, every first sealing washer 7's surface all contacts with the inner wall of every shrinkage pool 6, the equal fixedly connected with sealing ring 9 of every sealed oil cap 5's interior diapire, the equal fixedly connected with second sealing washer 8 of every outer surface of every oil nozzle 4, every second sealing washer 8's bottom surface all contacts with the top of every sealed oil cap 5, every sealed oil cap 5's below all is equipped with leads oil pipe 10, every top of leading oil pipe 10 all runs through every sealed oil cap 5 and extends to the inside of every sealed oil cap 5, and lead oil pipe 10 and be located the below of oil nozzle 4, every bottom of leading oil pipe 10 all is fixed with fuel sprayer 12.

The working principle is as follows: at first be linked together high-pressure oil pump and fuel feed pipe 2, can make in fluid gets into connecting pipe 1 through fuel feed pipe 2, through the produced power of high-pressure oil pump, the fluid to in connecting pipe 1 has been reached and has been pressurized, fluid in connecting pipe 1 will be discharged through fuel sprayer 4, through being connected of fuel sprayer 4 and sealed cap nut 5, thereby make fluid transmit, can transmit fluid to fuel sprayer 12 department through oil pipe 10, until discharging from fuel sprayer 12, through first sealing washer 7 of fuel sprayer 4 connection and second sealing washer 8 of connection, it seals when having reached to the fluid transmission, the phenomenon of oil leak has effectually been prevented to appear, the sealing when having deepened the fluid transmission, can carry out the leak protection to the fluid of high pressure common rail, and more insurance when driving.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leak protection insurance structure of car high pressure common rail, includes connecting pipe (1), its characterized in that: the left end of connecting pipe (1) is fixed the intercommunication and is had fuel feeding pipe (2), the right-hand member fixedly connected with sensor (3) of connecting pipe (1), the fixed intercommunication in bottom surface of connecting pipe (1) has oil outlet (4) that the equidistance was arranged, every the surface of oil outlet (4) all has seted up the screw thread, every the equal threaded connection of surface of oil outlet (4) has sealed oil cap (5), every shrinkage pool (6) have all been seted up to the inner circle of sealed oil cap (5), every the surface of oil outlet (4) all fixedly connected with first sealing washer (7), every the surface of first sealing washer (7) all contacts with the inner wall of every shrinkage pool (6), every the equal fixedly connected with sealing ring (9) of inner bottom wall of sealed oil cap (5), every the equal fixedly connected with second sealing washer (8) of surface of oil outlet (4), every the bottom surface of second sealing washer (8) all contacts with the top of every sealed oil cap (5), every the below of sealed oil cap (5) all is equipped with leads oil pipe (10), every the top of leading oil pipe (10) all runs through every sealed oil cap (5) and extends to the inside of every sealed oil cap (5), and leads oil pipe (10) and is located the below of oil outlet nozzle (4), every the bottom of leading oil pipe (10) all is fixed the intercommunication has oil sprayer (12).

2. The leakage-proof safety structure of the high-pressure common rail of the automobile of claim 1, wherein: the outer surface of the connecting pipe (1) is fixedly connected with symmetrical fixing blocks (16), and mounting holes are formed in the front face of each fixing block (16).

3. The leakage-proof safety structure of the high-pressure common rail of the automobile of claim 1, wherein: the outer surface of the connecting pipe (1) is fixedly connected with a mark (15), and the mark (15) is positioned on the front surface of the connecting pipe (1).

4. The leakage-proof safety structure of the high-pressure common rail of the automobile of claim 1, wherein: the symmetrical fixed plate (17) of surface fixedly connected with of connecting pipe (1), the left side of connecting pipe (1) is equipped with fixture block (18), two a side that fixed plate (17) are close to each other all with the upper surface of fixture block (18) and the bottom surface fixed connection of fixture block (18), fixed orifices (11) have been seted up in the front of fixture block (18), the left end of supplying oil pipe (2) runs through fixed orifices (11) and extends to the left side of fixed orifices (11), and the inner wall of fixed orifices (11) contacts with the surface of supplying oil pipe (2).

5. The leakage-proof safety structure of the high-pressure common rail of the automobile of claim 1, wherein: every the equal fixedly connected with guide plate (13) in bottom of glib (4), every the bottom surface of guide plate (13) all contacts with the upper surface of every sealing ring (9).

6. The leakage-proof safety structure of the high-pressure common rail of the automobile of claim 1, wherein: the bottom end of each sealing oil cap (5) is fixedly connected with a fixed pipe (14), and the bottom end of each oil guide pipe (10) penetrates through each fixed pipe (14) and extends to the lower side of each fixed pipe (14).