CN215522301U - High-pressure oil pipe assembly of diesel engine - Google Patents

High-pressure oil pipe assembly of diesel engine Download PDF

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Publication number
CN215522301U
CN215522301U CN202121480944.5U CN202121480944U CN215522301U CN 215522301 U CN215522301 U CN 215522301U CN 202121480944 U CN202121480944 U CN 202121480944U CN 215522301 U CN215522301 U CN 215522301U
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assembly
diesel engine
pipeline
pipe assembly
annular
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CN202121480944.5U
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鲍晓振
黄亚军
恽文明
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CHANGZHOU GUANDE MACHINERY CO LTD
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CHANGZHOU GUANDE MACHINERY CO LTD
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Abstract

The utility model discloses a high-pressure oil pipe assembly of a diesel engine, which comprises a conveying component, a connecting component and a sealing component, wherein the connecting component is arranged at the end part of the conveying component, the sealing component is arranged at the end part of the conveying component and corresponds to the position of the connecting component, the conveying component comprises an oil conveying pipeline and an annular clamping groove, the annular clamping groove is arranged at one end of the surface of the oil conveying pipeline in a surrounding mode, the oil conveying pipeline is composed of a pipeline body, a heat insulation layer, a wear-resistant layer and an anti-corrosion layer, and the heat insulation layer is arranged on the outer side of the pipeline body. The high-pressure oil pipe assembly of the diesel engine is realized through the mutual matching of the conveying component, the connecting component and the sealing component, and not only has better tolerance, thereby greatly prolonging the service life of the high-pressure oil pipe, but also improving the connection sealing performance of the high-pressure oil pipe, thereby improving the practicability of the high-pressure oil pipe assembly.

Description

High-pressure oil pipe assembly of diesel engine
Technical Field
The utility model relates to the technical field of oil pipe assemblies, in particular to a high-pressure oil pipe assembly of a diesel engine.
Background
With the increasing emission requirements of vehicles and engines, the pressure requirements of oil supply systems of diesel engines are higher and higher. The pressure resistance of the high-pressure oil pipe which is used for conveying high-pressure fuel oil needs to be improved. The high-pressure oil pipe is one of the most severe parts on the diesel engine. The interior of the fuel tank is pulse hydraulic fuel with large pressure difference; since the entire outer portion vibrates in accordance with vibration of the engine and the vehicle, it is two most critical core problems to improve the durability and the sealing property thereof.
SUMMERY OF THE UTILITY MODEL
The technical task of the utility model is to provide a high-pressure oil pipe assembly of a diesel engine aiming at the defects, which not only has better tolerance, thereby greatly prolonging the service life of the high-pressure oil pipe, but also improves the connection sealing performance of the high-pressure oil pipe, thereby improving the practicability of the high-pressure oil pipe assembly and solving the problems.
In order to achieve the purpose, the utility model provides the following technical scheme: the high-pressure oil pipe assembly of the diesel engine comprises a conveying component, a connecting component and a sealing component, wherein the connecting component is arranged at the end part of the conveying component, and the sealing component is arranged at the end part of the conveying component and corresponds to the connecting component;
the conveying assembly comprises an oil conveying pipeline and an annular clamping groove, and the annular clamping groove is arranged at one end of the surface of the oil conveying pipeline in a surrounding mode;
the oil conveying pipeline is composed of a pipeline body, a heat preservation layer, a wear-resistant layer and an anticorrosive layer, wherein the heat preservation layer is arranged on the outer side of the pipeline body, the wear-resistant layer is arranged on the outer side of the heat preservation layer, and the anticorrosive layer is arranged on the inner wall of the pipeline body;
the connecting component comprises a connecting threaded sleeve, two fixing rods and two fixing fixture blocks, wherein an annular internal thread is formed in the inner wall of the connecting threaded sleeve, the two fixing rods are symmetrically connected to the top and the bottom of the side face of the connecting threaded sleeve, and the two fixing fixture blocks are fixedly connected to the two fixing rods respectively;
seal assembly includes annular seal, annular mounting groove and annular seal pad, the annular mounting groove is seted up annular seal's right side, just annular seal passes through annular mounting groove card is established oil pipeline's tip, the annular seal pad fixed connection be in annular seal's left side.
Preferably, the heat insulation layer is made of polyurethane material.
Preferably, the wear-resistant layer is made of a nylon woven net.
Preferably, the anticorrosive layer is made of polyvinyl chloride material.
Preferably, the surface of the connecting threaded sleeve is sleeved with a rubber anti-slip sleeve matched with the connecting threaded sleeve.
Preferably, one side of the fixed clamping block, which is close to the ring-shaped clamping groove, movably penetrates through the ring-shaped clamping groove and extends into the ring-shaped clamping groove.
Preferably, the connecting threaded sleeve is rotatably installed inside an annular clamping groove in the oil pipeline through two fixing clamping blocks.
Compared with the prior art, the utility model has the following beneficial effects:
1. the high-pressure oil pipe assembly of the diesel engine is realized through the mutual matching of the conveying component, the connecting component and the sealing component, and not only has better tolerance, thereby greatly prolonging the service life of the high-pressure oil pipe, but also improving the connection sealing performance of the high-pressure oil pipe, thereby improving the practicability of the high-pressure oil pipe assembly.
2. In the utility model, the arranged heat-insulating layer is made of polyurethane material, and polyurethane has good heat-insulating property, so that the oil pipeline can be well insulated.
3. According to the utility model, the arranged wear-resistant layer is made of the nylon braided net, and the nylon braided rope has good wear resistance and tensile strength, so that the wear resistance and structural strength of the oil pipeline are increased, and the service life of the pipeline is prolonged.
4. According to the oil pipeline, the arranged anticorrosive layer is made of the polyvinyl chloride material, and the polyvinyl chloride has strong corrosion resistance, so that the oil pipeline can protect the inner wall of the oil pipeline, further the oil pipeline is prevented from being corroded, and the service life is prolonged.
5. According to the utility model, the rubber anti-slip sleeve is arranged, so that the convenience for the worker to rotate the connecting screw sleeve is improved, and the practicability of the anti-slip screw sleeve is improved.
Drawings
FIG. 1 is a schematic structural view of a diesel engine high pressure fuel pipe assembly of the present invention;
FIG. 2 is a schematic structural diagram of a delivery assembly in a diesel engine high-pressure oil pipe assembly according to the present invention;
FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;
FIG. 4 is a schematic structural view of a connecting component in the high-pressure oil pipe assembly of the diesel engine of the present invention;
FIG. 5 is a schematic structural diagram of a seal assembly in a diesel engine high pressure fuel pipe assembly according to the present invention.
In the figure: the sealing device comprises a conveying assembly 1, a connecting assembly 2, a sealing assembly 3, an oil pipeline 101, an annular clamping groove 102, a pipeline body 1011, an insulating layer 1012, a wear-resistant layer 1013, an anticorrosive layer 1014, a connecting threaded sleeve 201, a fixing rod 202, a fixing clamping block 203, an annular sealing ring 301, an annular mounting groove 302 and an annular sealing gasket 303.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the diesel engine high pressure fuel pipe assembly includes a conveying component 1, a connecting component 2 and a sealing component 3, wherein the connecting component 2 is installed at an end of the conveying component 1, and the sealing component 3 is installed at an end of the conveying component 1 and corresponds to a position of the connecting component 2.
Referring to fig. 1-5, the delivery assembly 1 includes an oil pipeline 101 and a ring-shaped slot 102, wherein the ring-shaped slot 102 is formed around one end of the surface of the oil pipeline 101.
Referring to fig. 1 to 5, the oil pipeline 101 is composed of a pipeline body 1011, an insulating layer 1012, a wear-resistant layer 1013, and an anticorrosive layer 1014, wherein the insulating layer 1012 is disposed on the outer side of the pipeline body 1011, the wear-resistant layer 1013 is disposed on the outer side of the insulating layer 1012, and the anticorrosive layer 1014 is disposed on the inner wall of the pipeline body 1011.
Referring to fig. 1-5, the connecting assembly 2 includes a connecting screw 201, two fixing rods 202 and two fixing blocks 203, wherein an inner wall of the connecting screw 201 is provided with an annular internal thread, the two fixing rods 202 are symmetrically connected to the top and the bottom of the side surface of the connecting screw 201, and the two fixing blocks 203 are respectively and fixedly connected to the two fixing rods 202.
Referring to fig. 1-5, the sealing assembly 3 includes an annular sealing ring 301, an annular mounting groove 302 and an annular sealing gasket 303, the annular mounting groove 302 is disposed on the right side of the annular sealing ring 301, the annular sealing ring 301 is clamped at the end of the oil pipeline 101 through the annular mounting groove 302, and the annular sealing gasket 303 is fixedly connected to the left side of the annular sealing ring 301.
By adopting the technical scheme, the high-pressure oil pipe has better tolerance, so that the service life of the high-pressure oil pipe is prolonged to the maximum extent, the connection sealing performance of the high-pressure oil pipe is improved, and the practicability of the high-pressure oil pipe is improved.
Wherein, one side of the fixed fixture block 203 close to the ring-shaped slot 102 is movably arranged to penetrate through the ring-shaped slot 102 and extend to the inside of the ring-shaped slot 102, and the connecting thread insert 201 is rotatably arranged inside the ring-shaped slot 102 on the oil pipeline 101 through the two fixed fixture blocks 203
The insulation layer 1012 is made of a polyurethane material.
By adopting the technical scheme, because the polyurethane has good heat preservation and heat insulation performance, the oil pipeline 101 can be well preserved and insulated.
The wear-resistant layer 1013 is made of a woven nylon mesh.
By adopting the technical scheme, the nylon braided rope has good wear resistance and tensile strength, so that the wear resistance and the structural strength of the oil pipeline 101 are increased, and the service life of the pipeline is prolonged.
The corrosion protection layer 1014 is made of polyvinyl chloride material.
By adopting the technical scheme, as the polyvinyl chloride has stronger corrosion resistance, the inner wall of the oil pipeline 101 can be protected, and further the oil is prevented from being corroded, so that the service life is prolonged.
The surface of the connecting screw sleeve 201 is sleeved with a rubber anti-slip sleeve matched with the connecting screw sleeve.
By adopting the technical scheme, the convenience for rotating the connecting threaded sleeve 201 by workers is improved, so that the practicability of the utility model is improved.
In summary, the following steps: the diesel engine high pressure oil pipe assembly solves the problems mentioned in the background technology by arranging the conveying component 1, the connecting component 2 and the sealing component 3.
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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Diesel engine high pressure fuel pipe assembly, including transport assembly (1), coupling assembling (2) and seal assembly (3), its characterized in that: the connecting assembly (2) is installed at the end part of the conveying assembly (1), and the sealing assembly (3) is installed at the end part of the conveying assembly (1) and corresponds to the connecting assembly (2);
the conveying assembly (1) comprises an oil conveying pipeline (101) and an annular clamping groove (102), wherein the annular clamping groove (102) is formed in one end of the surface of the oil conveying pipeline (101) in a surrounding mode;
the oil conveying pipeline (101) is composed of a pipeline body (1011), an insulating layer (1012), a wear-resistant layer (1013) and an anticorrosive layer (1014), wherein the insulating layer (1012) is arranged on the outer side of the pipeline body (1011), the wear-resistant layer (1013) is arranged on the outer side of the insulating layer (1012), and the anticorrosive layer (1014) is arranged on the inner wall of the pipeline body (1011);
the connecting assembly (2) comprises a connecting threaded sleeve (201), two fixing rods (202) and two fixing fixture blocks (203), an annular internal thread is formed in the inner wall of the connecting threaded sleeve (201), the two fixing rods (202) are symmetrically connected to the top and the bottom of the side face of the connecting threaded sleeve (201), and the two fixing fixture blocks (203) are fixedly connected to the two fixing rods (202) respectively;
seal assembly (3) include ring packing (301), annular mounting groove (302) and annular sealing pad (303), set up annular mounting groove (302) the right side of ring packing (301), just ring packing (301) pass through annular mounting groove (302) card is established the tip of oil pipeline (101), annular sealing pad (303) fixed connection is in the left side of ring packing (301).
2. The diesel engine high pressure fuel pipe assembly of claim 1, wherein: the heat insulation layer (1012) is made of polyurethane materials.
3. The diesel engine high pressure fuel pipe assembly of claim 2, wherein: the wear-resistant layer (1013) is made of a nylon woven net.
4. The diesel engine high pressure fuel pipe assembly of claim 3, wherein: the anticorrosive layer (1014) is made of polyvinyl chloride materials.
5. The diesel engine high pressure fuel pipe assembly of claim 4, wherein: the surface of the connecting threaded sleeve (201) is sleeved with a rubber anti-slip sleeve matched with the connecting threaded sleeve.
6. The diesel engine high pressure fuel pipe assembly of claim 5, wherein: one side, close to the ring-shaped clamping groove (102), of the fixed clamping block (203) movably penetrates through the ring-shaped clamping groove (102) and extends into the ring-shaped clamping groove (102).
7. The diesel engine high pressure fuel pipe assembly of claim 6, wherein: the connecting threaded sleeve (201) is rotatably installed inside an annular clamping groove (102) on the oil pipeline (101) through the two fixing clamping blocks (203).
CN202121480944.5U 2021-07-01 2021-07-01 High-pressure oil pipe assembly of diesel engine Active CN215522301U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121480944.5U CN215522301U (en) 2021-07-01 2021-07-01 High-pressure oil pipe assembly of diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121480944.5U CN215522301U (en) 2021-07-01 2021-07-01 High-pressure oil pipe assembly of diesel engine

Publications (1)

Publication Number Publication Date
CN215522301U true CN215522301U (en) 2022-01-14

Family

ID=79811603

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121480944.5U Active CN215522301U (en) 2021-07-01 2021-07-01 High-pressure oil pipe assembly of diesel engine

Country Status (1)

Country Link
CN (1) CN215522301U (en)

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