CN112922749B - H-shaped pressure balance valve of electric pump diesel oil filter of light automobile - Google Patents
H-shaped pressure balance valve of electric pump diesel oil filter of light automobile Download PDFInfo
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- CN112922749B CN112922749B CN202110301921.1A CN202110301921A CN112922749B CN 112922749 B CN112922749 B CN 112922749B CN 202110301921 A CN202110301921 A CN 202110301921A CN 112922749 B CN112922749 B CN 112922749B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0209—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof comprising flexible, resilient, movable or rotatable elements, e.g. with vibrating or contracting movements; Springs; Valves; Flaps
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- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an H-shaped pressure balance valve of a diesel oil filter of a light automobile electric pump, which comprises a first double joint, a second double joint, an R-shaped hose clamp, a valve chamber, an outer hexagonal flange bolt, an outer hexagonal flange nut, a valve chamber connecting end, a sealing ring, a spring, a T-shaped valve, a sealing ring and a connecting nut, wherein the T-shaped valve is fixed in a valve chamber cavity, the upper part of the T-shaped valve is connected with the valve chamber, the first double joint is connected with the valve chamber, the second double joint is welded with the bottom of the valve chamber, two ends of the second double joint are respectively provided with a second double joint oil inlet and a second double joint oil outlet, and two ends of the first double joint are respectively provided with a first double joint oil outlet and a first double joint oil inlet; the second double joint is parallel to the central axis of the first double joint; the R-shaped hose clamp is sleeved on the outer ring of the connecting nut, and the outer hexagonal flange bolt penetrates through the R-shaped hose clamp to be in threaded connection with the outer hexagonal flange nut. The invention can effectively solve the problem of difficult cold start of the engine, and has the advantages of compact structure, simple installation, smooth trend and beautiful appearance.
Description
Technical Field
The invention relates to an H-shaped pressure balance valve of a diesel oil filter of an electric pump of a light automobile, belonging to the technical field of pressure valves.
Background
In winter, the engine of a vehicle type in a cold region of a light automobile is easy to shut down when idling, the idling rail pressure is high, and the idling abnormal sound phenomenon is serious, so that the cold start of the engine is difficult. Meanwhile, the pipeline at the rear end of the diesel oil filter of the electric pump of the light automobile in the cold region is complex to install, disordered in trend and not attractive. At present, no better solution exists.
Disclosure of Invention
The invention aims to solve the technical problem of providing an H-shaped pressure balance valve of a diesel oil filter of an electric pump of a light automobile aiming at the defects in the prior art.
In order to solve the technical problem, the invention provides an H-shaped pressure balance valve of a diesel oil filter of an electric pump of a light automobile, which comprises a first double-joint, a second double-joint, an R-shaped hose clamp, a valve chamber, an outer hexagonal flange bolt, an outer hexagonal flange nut, a valve chamber connecting end, a sealing ring, a spring, a T-shaped valve, a sealing ring and a connecting nut, wherein the T-shaped valve is fixedly installed in a valve chamber cavity, the upper part of the T-shaped valve is connected with the valve chamber connecting end through the connecting nut, the first double-joint is connected with the valve chamber connecting end, the second double-joint is connected with the bottom of the valve chamber through welding, two ends of the second double-joint are respectively a second double-joint oil inlet and a second double-joint oil outlet, and two ends of the first double-joint oil outlet and a first double-joint oil inlet; the second double joint is parallel to the central axis of the first double joint; the R-shaped hose clamp is sleeved on the outer ring of the connecting nut, the upper end face of the R-shaped hose clamp is flush with the plane of the double-joint, and the outer hexagonal flange bolt penetrates through the mounting hole of the R-shaped hose clamp to be in threaded connection with the outer hexagonal flange nut.
The lower end face of the outer part of the valve chamber is of a cylindrical structure, the upper end face of the outer part of the valve chamber is of a threaded structure, a through hole is formed in the end face of the bottom of the inner part of the valve chamber, and a second double joint is connected with the through hole; a through hole is formed in the upper end face of the interior of the connecting end of the valve chamber, and a first double joint is connected with the through hole; the T-shaped valve is in compression contact with the end face of the bottom inside the valve chamber, one end of the spring is in compression joint with the upper end face of the T-shaped valve, and the other end of the spring is in compression joint with the end face inside the connecting end of the valve chamber.
The valve chamber is characterized in that a sealing ring is installed on the end face of the bottom of the T-shaped valve in the valve chamber, and the sealing ring is installed on the upper end face in the connecting end of the valve chamber.
The R-shaped hose clamp, the valve chamber connecting end, the sealing ring, the spring, the T-shaped valve, the sealing ring and the connecting nut are overlapped in the central axis.
The H-shaped pressure balance valve is arranged at the rear end of the electric pump diesel filter; an oil inlet of the double-joint II is connected with an oil outlet pipe of the electric pump diesel oil filter, and an oil outlet of the double-joint II is connected with an oil inlet pipe of the engine; an oil outlet of the double joint is connected with an oil return pipe of the time-delay reversing valve, and an oil inlet of the double joint is connected with an oil return pipe of the engine; when the engine starts the electric pump of the diesel oil filter to work, the H-shaped pressure balance valve is opened, diesel oil is sucked in through the two oil inlets of the double joint, one path of diesel oil passes through the two oil outlets of the double joint and is supplied to the engine with the engine oil inlet pipe, the other path of diesel oil passes through the T-shaped valve and is converged with engine return oil, and the diesel oil and the engine return oil pass through the one oil outlet of the double joint and return to the time-delay reversing valve; when the engine works for a period of time, the electric pump of the diesel oil filter does not work, the H-shaped pressure balance valve is closed at the moment, diesel oil is sucked in through the double-joint two oil inlet, and completely passes through the double-joint two oil outlet and the engine oil inlet pipe to be supplied to the engine, and engine return oil passes through the double-joint one oil inlet and the double-joint one oil outlet and returns to the time-delay reversing valve.
Has the advantages that: the invention can effectively solve the problems of easy flameout of the vehicle engine in the cold region of the light automobile, high idling rail pressure, abnormal idling sound, difficult cold start of the engine and the like. The invention has compact structure, can independently arrange the diesel pipelines at the rear end of the diesel filter of the electric pump, and has simple installation, smooth trend and beautiful appearance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
fig. 3 is a schematic view of the assembly of the present invention in a light vehicle.
In the figure: the engine comprises a 1 double-joint I, a 2R-shaped hose clamp, a 3 outer hexagon flange bolt, a 4 valve chamber, a 5 double-joint II, a 6 outer hexagon flange nut, a 7 valve chamber connecting end, an 8 sealing ring, a 9 spring, a 10T-shaped valve, a 11 sealing ring, a 12 connecting nut, a 13 double-joint II oil inlet, a 14 double-joint II oil outlet, a 15 double-joint I oil outlet, a 16 double-joint I oil inlet, a 17 electric pump diesel filter, a 19 time-delay reversing valve, a 20H-shaped pressure balance valve and a 21 engine.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the invention provides an H-type pressure balance valve of a diesel oil filter of an electric pump of a light automobile, which comprises a first double-joint 1, a second double-joint 5, an R-type hose clamp 2, a valve chamber 4, an outer hexagonal flange bolt 3, an outer hexagonal flange nut 6, a valve chamber connecting end 7, a sealing ring 8, a spring 9, a T-shaped valve 10, a sealing ring 11 and a connecting nut 12, wherein the T-shaped valve 10 is fixedly installed inside a cavity of the valve chamber 4, the upper part of the T-shaped valve is connected with the valve chamber connecting end 7 through the connecting nut 12, the first double-joint 1 is connected with the valve chamber connecting end 7, the second double-joint 5 is connected with the bottom of the valve chamber 4 through welding, two ends of the second double-joint 5 are respectively a second double-joint oil inlet 13 and a double-joint second oil outlet 14, and two ends of the first double-joint 1 are respectively a first double-joint oil inlet 15 and a double-joint oil outlet 16; the second double joint 5 is parallel to the central axis of the first double joint 1; the R-shaped hose clamp 2 is sleeved on the outer ring of the connecting nut 12, the upper end face of the R-shaped hose clamp is flush with the plane of the first double-joint 1, and the outer hexagonal flange bolt 3 penetrates through the mounting hole of the R-shaped hose clamp 2 and is in threaded connection with the outer hexagonal flange nut 6; in the assembling process, the contact part of the rubber sleeve of the R-shaped hose clamp 2 and the outer ring of the connecting nut 12 is not worn.
The external lower end surface of the valve chamber 4 is of a cylindrical structure, and the external upper end surface of the valve chamber is of a threaded structure. And a through hole is formed in the bottom end face in the valve chamber 4, and the double joint II 5 is connected with the through hole. The T-shaped valve 10 is in pressed contact with the end surface of the bottom inside the valve chamber 4, a sealing ring 11 is arranged on the lower end surface of the T-shaped valve 10, one end of a spring 9 is in press connection with the upper end surface of the T-shaped valve 10, and the other end of the spring is in press connection with the end surface inside the valve chamber connecting end 7; and a sealing ring 8 is arranged on the inner upper end face of the valve chamber connecting end 7, and a through hole is formed in the inner upper end face of the valve chamber connecting end 7 and is connected with the through hole of the double joint 1. The valve chamber 4 and the valve chamber connecting end 7 are connected by the connecting nut 12.
The central axes of the R-shaped hose clamp 2, the valve chamber 4, the valve chamber connecting end 7, the sealing ring 8, the spring 9, the T-shaped valve 10, the sealing ring 11 and the connecting nut 12 are overlapped.
As shown in fig. 3, the H-type pressure balance valve 20 is disposed at the rear end of the electric pump diesel filter; an oil inlet 13 of the second double joint is connected with an oil outlet pipe of an electric pump diesel filter 17, and an oil outlet 14 of the second double joint is connected with an oil inlet pipe of an engine 21; an oil outlet 15 of the double joint is connected with an oil return pipe of a time-delay reversing valve 19, and an oil inlet 16 of the double joint is connected with an oil return pipe of an engine 21; when the engine starts the electric pump of the diesel oil filter to work, the H-shaped pressure balance valve 20 is opened, diesel oil is sucked in through the two oil inlets 13 of the double joints, one path of diesel oil passes through the two oil outlets 14 of the double joints and is supplied to the engine 21 with an engine oil inlet pipe, the other path of diesel oil passes through the T-shaped valve 10 and is converged with return oil of the engine 21, and the two paths of diesel oil pass through the one oil outlet 15 of the double joints and return to the delay reversing valve 19; when the diesel oil filter electric pump does not work after the engine works for a period of time, the H-shaped pressure balance valve 20 is closed at the moment, diesel oil is sucked in through the double-joint two-oil inlet 13, and completely passes through the double-joint two-oil outlet 14 and the engine oil inlet pipe to be supplied to the engine 21, and return oil of the engine 21 passes through the double-joint one-oil inlet 16 and the double-joint one-oil outlet 15 and returns to the time-delay reversing valve 19.
The H-shaped pressure balance valve is suitable for a low-pressure fuel system of a vehicle, and can effectively solve the problems that an engine of a vehicle type in a cold region of a light automobile is easy to shut down when idling, the idling rail pressure is high, the idling abnormal sound is generated, the engine is difficult to start in a cold mode and the like.
The H-shaped pressure balance valve has compact structure, can enable the diesel pipelines at the rear end of the electric pump diesel filter to be respectively and independently arranged, and has simple installation, smooth trend and attractive appearance.
The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (4)
1. The utility model provides a light automobile electric pump diesel oil filter H type pressure balance valve which characterized in that: comprises a first double joint (1), a second double joint (5), an R-shaped hose clamp (2), a valve chamber (4), an outer hexagonal flange bolt (3), an outer hexagonal flange nut (6), a valve chamber connecting end (7), a sealing ring (8), a spring (9), a T-shaped valve (10), a sealing ring (11) and a connecting nut (12), wherein the T-shaped valve (10) is fixedly arranged in a cavity of the valve chamber (4), the upper part of the valve body is connected with a valve chamber connecting end (7) through a connecting nut (12), the double joint I (1) is connected with the valve chamber connecting end (7), the double joint II (5) is connected with the bottom of the valve chamber (4) through welding, two ends of the double joint II (5) are respectively provided with a double joint II oil inlet (13) and a double joint II oil outlet (14), and two ends of the double joint I (1) are respectively provided with a double joint I oil outlet (15) and a double joint I oil inlet (16); the second double joint (5) is parallel to the central axis of the first double joint (1); the R-shaped hose clamp (2) is sleeved on the outer ring of the connecting nut (12), the upper end face of the R-shaped hose clamp is flush with the plane of the first double-joint (1), and the outer hexagonal flange bolt (3) penetrates through the mounting hole of the R-shaped hose clamp (2) to be in threaded connection with the outer hexagonal flange nut (6); the H-shaped pressure balance valve is arranged at the rear end of the electric pump diesel filter; an oil inlet (13) of the second double-joint is connected with an oil outlet pipe of an electric pump diesel filter (17), and an oil outlet (14) of the second double-joint is connected with an oil inlet pipe of an engine (21); an oil outlet (15) of the double joint is connected with an oil return pipe of the time-delay reversing valve (19), and an oil inlet (16) of the double joint is connected with an oil return pipe of the engine (21); when the engine starts the diesel oil filter electric pump to work, the H-shaped pressure balance valve (20) is opened, diesel oil is sucked in through the double-joint two-oil inlet (13), one path of diesel oil passes through the double-joint two-oil outlet (14) and is supplied to the engine (21) with the engine oil inlet pipe, the other path of diesel oil passes through the T-shaped valve (10) and is converged with return oil of the engine (21), and the two paths of diesel oil pass through the double-joint one-oil outlet (15) and return to the time-delay reversing valve (19); when the engine works for a period of time, the electric pump of the diesel oil filter does not work, at the moment, the H-shaped pressure balance valve (20) is closed, diesel oil is sucked in through the double-joint two-oil inlet (13), and completely passes through the double-joint two-oil outlet (14) and the engine oil inlet pipe to be supplied to the engine (21), and return oil of the engine (21) passes through the double-joint one-oil inlet (16) and the double-joint one-oil outlet (15) to return to the time-delay reversing valve (19).
2. The light automobile electric pump diesel filter H-shaped pressure balance valve as recited in claim 1, wherein: the lower end face of the outer part of the valve chamber (4) is of a cylindrical structure, the upper end face of the outer part of the valve chamber (4) is of a threaded structure, a through hole is formed in the end face of the bottom of the inner part of the valve chamber (4), and a double joint II (5) is connected with the through hole; a through hole is formed in the upper end face of the interior of the valve chamber connecting end (7), and the double-joint I (1) is connected with the through hole; the T-shaped valve (10) is pressed and contacted with the end face of the bottom inside the valve chamber (4), one end of the spring (9) is pressed and connected on the upper end face of the T-shaped valve (10), and the other end of the spring is pressed and connected on the end face inside the valve chamber connecting end (7).
3. The light automobile electric pump diesel filter H-type pressure balance valve of claim 1, wherein: and a sealing ring (11) is arranged on the end face of the bottom of the T-shaped valve (10) in the valve chamber (4), and a sealing ring (8) is arranged on the upper end face in the valve chamber connecting end (7).
4. The light vehicle electric pump diesel filter H-type pressure balance valve of claim 1, 2 or 3, wherein: the central axes of the R-shaped hose clamp (2), the valve chamber (4), the valve chamber connecting end (7), the sealing ring (8), the spring (9), the T-shaped valve (10), the sealing ring (11) and the connecting nut (12) are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301921.1A CN112922749B (en) | 2021-03-22 | 2021-03-22 | H-shaped pressure balance valve of electric pump diesel oil filter of light automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301921.1A CN112922749B (en) | 2021-03-22 | 2021-03-22 | H-shaped pressure balance valve of electric pump diesel oil filter of light automobile |
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| Publication Number | Publication Date |
|---|---|
| CN112922749A CN112922749A (en) | 2021-06-08 |
| CN112922749B true CN112922749B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110301921.1A Active CN112922749B (en) | 2021-03-22 | 2021-03-22 | H-shaped pressure balance valve of electric pump diesel oil filter of light automobile |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518493A (en) * | 2011-12-27 | 2012-06-27 | 潍柴动力股份有限公司 | Engine oil filtering and cooling device |
| CN102588171B (en) * | 2012-03-20 | 2013-09-18 | 张银科 | Electric control exhaust diesel filter |
| CN104373269B (en) * | 2013-08-14 | 2017-06-06 | 北京亚新科天纬油泵油嘴股份有限公司 | High voltage common rail pump oil return system |
| CN205478019U (en) * | 2016-01-11 | 2016-08-17 | 浙江环球滤清器有限公司 | Fire regulator of oil filter assembly |
| CN106382263A (en) * | 2016-10-09 | 2017-02-08 | 合肥协力液压科技有限公司 | Automatic speed changing and inching integrated electro-hydraulic control valve |
| CN206397634U (en) * | 2017-01-16 | 2017-08-11 | 中国重汽集团济南动力有限公司 | A kind of diesel engine for ship fuel oil pressure relief device |
| CN208330586U (en) * | 2018-03-07 | 2019-01-04 | 瑞安市旭众汽车部件有限公司 | A kind of vehicle fuel pressure regulator valve |
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- 2021-03-22 CN CN202110301921.1A patent/CN112922749B/en active Active
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