CN207500030U - A kind of single cylinder fuel injection pump - Google Patents
A kind of single cylinder fuel injection pump Download PDFInfo
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- CN207500030U CN207500030U CN201721551437.XU CN201721551437U CN207500030U CN 207500030 U CN207500030 U CN 207500030U CN 201721551437 U CN201721551437 U CN 201721551437U CN 207500030 U CN207500030 U CN 207500030U
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- fuel injection
- injection pump
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- 239000000446 fuel Substances 0.000 title claims abstract description 80
- 238000002347 injection Methods 0.000 title claims abstract description 77
- 239000007924 injection Substances 0.000 title claims abstract description 77
- 239000002828 fuel tank Substances 0.000 claims abstract description 15
- 239000003921 oil Substances 0.000 claims 7
- 239000010727 cylinder oil Substances 0.000 claims 2
- 239000002283 diesel fuel Substances 0.000 description 15
- 239000000243 solution Substances 0.000 description 7
- 238000005457 optimization Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003915 air pollution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
本实用新型公开了一种单缸喷油泵，包括单缸喷油泵主体，所述单缸喷油泵主体一侧设置有进油管接头，所述进油管接头上设置有进油管，所述进油管接头上还设置有第一排气管，所述第一排气管的出气端向上设置，在所述进油管对侧设置有出油管接头，所述出油管接头与所述单缸喷油泵主体连通，所述出油管接头上设置有出油管，所述出油管与所述油箱连接，所述出油管接头上设置有第二排气管，所述第二排气管的出气端向上设置，所述第二排气管位于所述出油管接头远离所述单缸喷油泵主体一侧。本实用新型具有能够使单缸喷油泵正常高效运转，又可以避免空气进入单缸喷油泵主体，延长单缸喷油泵使用寿命的优点。
The utility model discloses a single-cylinder fuel injection pump, which comprises a main body of the single-cylinder fuel injection pump, an oil inlet pipe joint is arranged on one side of the single cylinder fuel injection pump main body, an oil inlet pipe is arranged on the oil inlet pipe joint, and the oil inlet pipe joint There is also a first exhaust pipe on the top, the outlet end of the first exhaust pipe is set upward, and an oil outlet pipe joint is arranged on the opposite side of the oil inlet pipe, and the oil outlet pipe joint communicates with the main body of the single cylinder fuel injection pump , the oil outlet pipe joint is provided with an oil outlet pipe, the oil outlet pipe is connected to the fuel tank, the oil outlet pipe joint is provided with a second exhaust pipe, and the air outlet end of the second exhaust pipe is arranged upwards, so The second exhaust pipe is located on the side of the oil outlet pipe joint away from the main body of the single cylinder fuel injection pump. The utility model has the advantages of enabling the normal and high-efficiency operation of the single-cylinder fuel injection pump, preventing air from entering the main body of the single-cylinder fuel injection pump, and prolonging the service life of the single-cylinder fuel injection pump.
Description
技术领域technical field
本实用新型涉及发动机领域，具体涉及一种单缸喷油泵。The utility model relates to the field of engines, in particular to a single-cylinder fuel injection pump.
背景技术Background technique
喷油泵是汽车柴油机上的一个重要组成部分。喷油泵总成通常是由喷油泵、调速器等部件安装在一起组成的一个整体。其中调速器是保障柴油机的低速运转和对最高转速的限制，确保喷射量与转速之间保持一定关系的部件。而喷油泵则是柴油机最重要的部件，被视为柴油发动机的“心脏”部件，它一旦出问题会使整个柴油机工作失常。Fuel injection pump is an important part of automobile diesel engine. The fuel injection pump assembly is usually a whole composed of fuel injection pump, governor and other components installed together. Among them, the governor is a component that guarantees the low-speed operation of the diesel engine and limits the maximum speed, and ensures a certain relationship between the injection volume and the speed. The fuel injection pump is the most important part of the diesel engine and is regarded as the "heart" part of the diesel engine. Once it goes wrong, the entire diesel engine will malfunction.
现在的柴油机喷油泵内管道未能合理的设计，导致在使用过程中存在一些问题从而影响喷油泵的使用效率和寿命，其中停止使用后直到再次使用时进油管和喷油泵主体内存在大量的空气，这样会导致整个结构的启动困难影响生产效率同时对喷油泵的寿命有很大的影响。The pipes in the current diesel fuel injection pumps are not properly designed, resulting in some problems during use that affect the service efficiency and life of the fuel injection pump. There is a large amount of air in the fuel inlet pipe and the main body of the fuel injection pump after it is stopped and used until it is used again. , This will cause difficulty in starting the entire structure, affect production efficiency, and have a great impact on the life of the fuel injection pump.
现有相关技术CN2020124280，提出的解决方案可以缓解该现象，但是在其所述的进油管道靠近喷油泵一侧以及喷油泵主体内的气体无法实现较好的排出。The existing related technology CN2020124280, the solution proposed can alleviate this phenomenon, but the gas in the fuel inlet pipeline close to the side of the fuel injection pump and the gas in the main body of the fuel injection pump cannot be discharged well.
实用新型内容Utility model content
针对上述现有技术的不足，本实用新型所要解决的技术问题是：如何提供一种能够将残留在喷油泵内部的气体排出的单缸喷油泵。Aiming at the deficiencies of the prior art above, the technical problem to be solved by the utility model is: how to provide a single-cylinder fuel injection pump capable of discharging the gas remaining inside the fuel injection pump.
为了解决上述技术问题，本实用新型采用了如下的技术方案：In order to solve the above technical problems, the utility model adopts the following technical solutions:
一种单缸喷油泵，包括单缸喷油泵主体，所述单缸喷油泵主体一侧设置有进油管接头，所述进油管接头上设置有进油管，所述进油管与油箱连接，所述进油管接头上还设置有第一排气管，所述第一排气管的出气端向上设置，在所述进油管对侧设置有出油管接头，所述出油管接头与所述单缸喷油泵主体连通，所述出油管上设置有出油管，所述出油管接头与所述油箱连接，所述出油管接头上设置有第二排气管，所述第二排气管的出气端向上设置，所述第二排气管位于所述出油管接头远离所述单缸喷油泵主体一侧。A single-cylinder fuel injection pump, comprising a single-cylinder fuel injection pump main body, one side of the single-cylinder fuel injection pump main body is provided with an oil inlet pipe joint, and an oil inlet pipe is arranged on the oil inlet pipe joint, and the oil inlet pipe is connected to a fuel tank. A first exhaust pipe is also arranged on the oil inlet pipe joint, the gas outlet end of the first exhaust pipe is arranged upward, and an oil outlet pipe joint is arranged on the opposite side of the oil inlet pipe, and the oil outlet pipe joint is connected with the single-cylinder injector. The main body of the oil pump is connected, the oil outlet pipe is provided with an oil outlet pipe, the oil outlet pipe joint is connected with the fuel tank, the oil outlet pipe joint is provided with a second exhaust pipe, and the air outlet end of the second exhaust pipe is upward It is provided that the second exhaust pipe is located on the side of the oil outlet pipe joint away from the main body of the single cylinder fuel injection pump.
本技术方案中，在原有单缸喷油泵的基础上，设置了出油管接头、出油管和第二排气孔，这样在进油的时候，柴油可以经过经过进油管和进油管接头将气体通过第一排气管排出，然后经过单缸喷油泵主体、出油管接头和出油管将气体通过第二排气孔排出，然后经过出油管留回油箱，既能将出油管里的气体排出又能节约燃料，整个流程可以完整把单缸喷油泵主体里边残留的大量气体排出，不会影响启动，减少对单缸喷油泵主体的损坏。In this technical solution, on the basis of the original single-cylinder fuel injection pump, an oil outlet pipe joint, an oil outlet pipe and a second exhaust hole are set, so that when oil is fed, diesel oil can pass through the oil inlet pipe and the oil inlet pipe joint to pass the gas through The first exhaust pipe is discharged, and then the gas is discharged through the second exhaust hole through the main body of the single-cylinder fuel injection pump, the oil outlet pipe joint and the oil outlet pipe, and then returned to the fuel tank through the oil outlet pipe. To save fuel, the whole process can completely discharge a large amount of gas remaining in the main body of the single-cylinder fuel injection pump, which will not affect the start-up and reduce damage to the main body of the single-cylinder fuel injection pump.
作为优化，所述进油管上设置有流量计。As an optimization, a flow meter is arranged on the oil inlet pipe.
这样，可以通过检测到油箱里边排往单缸喷油泵主体的柴油的流速变化情况，从而检测柴油的质量，当柴油流速较小时，证明柴油内含有杂质较多，需要及时更换柴油，避免影响单缸喷油泵主体的质量以及使用寿命。In this way, the quality of the diesel can be detected by detecting the change of the flow rate of the diesel fuel discharged from the fuel tank to the main body of the single-cylinder fuel injection pump. The quality and service life of the main body of the cylinder fuel injection pump.
作为优化，所述出油管上设置有流量计。As an optimization, a flow meter is arranged on the oil outlet pipe.
这样，可以检测经过出油管的柴油的流速，进而判断柴油的质量，更好的使得单缸喷油泵动作。In this way, the flow rate of the diesel oil passing through the oil outlet pipe can be detected, and then the quality of the diesel oil can be judged, so that the single-cylinder fuel injection pump can be better activated.
作为优化，所述进油管与所述油箱接头连接处设置有第一过滤网。As an optimization, a first filter screen is provided at the connection between the oil inlet pipe and the oil tank joint.
这样，可以进一步的过滤流进单缸喷油泵主体的柴油，保障油质，使得单缸喷油泵可以正常高效的运行，延长使用寿命。In this way, the diesel oil flowing into the main body of the single-cylinder fuel injection pump can be further filtered to ensure oil quality, so that the single-cylinder fuel injection pump can operate normally and efficiently, and prolong the service life.
作为优化，所述出油管与所述出油管接头连接处设置有第二过滤网。As an optimization, a second filter screen is provided at the connection between the oil outlet pipe and the oil outlet pipe joint.
这样，可以进一步的过滤在排气过程中流出单缸喷油泵主体流进油箱的柴油，避免杂质进入油箱，影响后续单缸喷油泵的正常运行。In this way, the diesel that flows out of the main body of the single-cylinder fuel injection pump into the fuel tank during the exhaust process can be further filtered to prevent impurities from entering the fuel tank and affecting the normal operation of the subsequent single-cylinder fuel injection pump.
作为优化，所述进油管接头与所述单缸喷油泵主体密封连接。As an optimization, the oil inlet pipe joint is sealingly connected with the main body of the single cylinder fuel injection pump.
这样，保障柴油可以流进单缸喷油泵主体，避免资源浪费，同时避免空气污染。In this way, it is ensured that the diesel oil can flow into the main body of the single-cylinder fuel injection pump, so as to avoid waste of resources and avoid air pollution.
作为优化，所述出油管接头与所述单缸喷油泵主体密封连接。As an optimization, the oil outlet pipe joint is sealingly connected with the main body of the single cylinder fuel injection pump.
这样，密封连接，可以避免柴油流出单缸喷油泵主体，造成渗油现象，工作时得到一个密封的空间可以更好的提高工作效率。In this way, the sealed connection can prevent diesel oil from flowing out of the main body of the single-cylinder fuel injection pump, causing oil leakage, and obtaining a sealed space during work can better improve work efficiency.
综上所述，本实用新型具有能够使单缸喷油泵正常高效运转，又可以避免空气进入单缸喷油泵主体，延长单缸喷油泵使用寿命的优点。To sum up, the utility model has the advantages of enabling the normal and efficient operation of the single-cylinder fuel injection pump, preventing air from entering the main body of the single-cylinder fuel injection pump, and prolonging the service life of the single-cylinder fuel injection pump.
附图说明Description of drawings
图1为本实用新型具体实施方式所述的单缸喷油泵的结构示意图。Fig. 1 is a schematic structural view of a single-cylinder fuel injection pump described in a specific embodiment of the present invention.
具体实施方式Detailed ways
下面结合附图对本实用新型作进一步的详细说明。Below in conjunction with accompanying drawing, the utility model is described in further detail.
具体实施时，如图1所示，一种单缸喷油泵，包括单缸喷油泵主体1，所述单缸喷油泵主体1一侧设置有进油管接头2，所述进油管接头2上设置有进油管21，所述进油管21与油箱8连接，所述进油管接头2上还设置有第一排气管3，所述第一排气管3的出气端向上设置，在所述进油管21对侧设置有出油管接头4，所述出油管接头4与所述单缸喷油泵主体1连通，所述出油管接头4上设置有出油管41，所述出油管41与所述油箱8连接，所述出油管接头4上设置有第二排气管5，所述第二排气管5的出气端向上设置，所述第二排气管5位于所述出油管接头4远离所述单缸喷油泵主体1一侧。During specific implementation, as shown in Figure 1, a single-cylinder fuel injection pump includes a single-cylinder fuel injection pump main body 1, an oil inlet pipe joint 2 is arranged on one side of the single cylinder fuel injection pump main body 1, and an oil inlet pipe joint 2 is provided with There is an oil inlet pipe 21, and the oil inlet pipe 21 is connected with the fuel tank 8. The first exhaust pipe 3 is also arranged on the oil inlet pipe joint 2, and the gas outlet end of the first exhaust pipe 3 is arranged upwards. On the opposite side of the oil pipe 21, an oil outlet pipe joint 4 is arranged, and the oil outlet pipe joint 4 communicates with the main body 1 of the single-cylinder fuel injection pump. 8 connection, the oil outlet pipe joint 4 is provided with a second exhaust pipe 5, the outlet end of the second exhaust pipe 5 is set upward, and the second exhaust pipe 5 is located at the oil outlet pipe joint 4 away from all One side of the main body of the single cylinder fuel injection pump.
这样，在原有单缸喷油泵的基础上，设置了出油管接头、出油管和第二排气孔，这样在进油的时候，柴油可以经过经过进油管和进油管接头将气体通过第一排气管排出，然后经过单缸喷油泵主体、出油管接头和出油管将气体通过第二排气孔排出，然后经过出油管留回油箱，既能将出油管里的气体排出又能节约燃料，整个流程可以完整把单缸喷油泵主体里边残留的大量气体排出，不会影响启动，减少对单缸喷油泵主体的损坏。In this way, on the basis of the original single-cylinder fuel injection pump, the oil outlet pipe joint, the oil outlet pipe and the second exhaust hole are set, so that when the oil enters, the diesel oil can pass through the oil inlet pipe and the oil inlet pipe joint to pass the gas through the first row. The air pipe is discharged, and then the gas is discharged through the second exhaust hole through the main body of the single-cylinder fuel injection pump, the oil outlet pipe joint and the oil outlet pipe, and then returned to the fuel tank through the oil outlet pipe, which can not only discharge the gas in the oil outlet pipe but also save fuel. The whole process can completely discharge a large amount of gas remaining in the main body of the single-cylinder fuel injection pump, without affecting the start-up and reducing damage to the main body of the single-cylinder fuel injection pump.
本具体实施方式中，所述进油管21上设置有流量计6。In this specific embodiment, the oil inlet pipe 21 is provided with a flow meter 6 .
这样，可以通过检测到油箱里边排往单缸喷油泵主体的柴油的流速变化情况，从而检测柴油的质量，当柴油流速较小时，证明柴油内含有杂质较多，需要及时更换柴油，避免影响单缸喷油泵主体的质量以及使用寿命。In this way, the quality of the diesel can be detected by detecting the change of the flow rate of the diesel fuel discharged from the fuel tank to the main body of the single-cylinder fuel injection pump. The quality and service life of the main body of the cylinder fuel injection pump.
本具体实施方式中，所述出油管41上设置有流量计7。In this specific embodiment, the oil outlet pipe 41 is provided with a flow meter 7 .
这样，可以检测经过出油管的柴油的流速，进而判断柴油的质量，更好的使得单缸喷油泵动作。In this way, the flow rate of the diesel oil passing through the oil outlet pipe can be detected, and then the quality of the diesel oil can be judged, so that the single-cylinder fuel injection pump can be better activated.
本具体实施方式中，所述进油管21与所述油箱8接头连接处设置有第一过滤网。In this specific embodiment, a first filter screen is provided at the joint connection between the oil inlet pipe 21 and the oil tank 8 .
这样，可以进一步的过滤流进单缸喷油泵主体的柴油，保障油质，使得单缸喷油泵可以正常高效的运行，延长使用寿命。In this way, the diesel oil flowing into the main body of the single-cylinder fuel injection pump can be further filtered to ensure oil quality, so that the single-cylinder fuel injection pump can operate normally and efficiently, and prolong the service life.
本具体实施方式中，所述出油管41与所述出油管接头4连接处设置有第二过滤网。In this specific embodiment, a second filter screen is provided at the joint between the oil outlet pipe 41 and the oil outlet pipe joint 4 .
这样，可以进一步的过滤在排气过程中流出单缸喷油泵主体流进油箱的柴油，避免杂质进入油箱，影响后续单缸喷油泵的正常运行。In this way, the diesel that flows out of the main body of the single-cylinder fuel injection pump into the fuel tank during the exhaust process can be further filtered to prevent impurities from entering the fuel tank and affecting the normal operation of the subsequent single-cylinder fuel injection pump.
本具体实施方式中，所述进油管接头4与所述单缸喷油泵主体1密封连接。In this specific embodiment, the fuel inlet pipe joint 4 is in sealing connection with the main body 1 of the single cylinder fuel injection pump.
这样，保障柴油可以流进单缸喷油泵主体，避免资源浪费，同时避免空气污染。In this way, it is ensured that the diesel oil can flow into the main body of the single-cylinder fuel injection pump, so as to avoid waste of resources and avoid air pollution.
本具体实施方式中，所述出油管接头4与所述单缸喷油泵主体1密封连接。In this specific embodiment, the oil outlet pipe joint 4 is in sealing connection with the main body 1 of the single cylinder fuel injection pump.
这样，密封连接，可以避免柴油流出单缸喷油泵主体，造成渗油现象，工作时得到一个密封的空间可以更好的提高工作效率。In this way, the sealed connection can prevent diesel oil from flowing out of the main body of the single-cylinder fuel injection pump, causing oil leakage, and obtaining a sealed space during work can better improve work efficiency.
最后应说明的是：以上实施例仅用以说明本实用新型的技术方案，而非对其限制；尽管参照前述实施例对本实用新型进行了详细的说明，本领域的普通技术人员应当理解；其依然可以对前述实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本实用新型实施例技术方案的范围，其均应涵盖在本实用新型的权利要求和说明书的范围当中。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand; It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present utility model. , which should be included in the claims of the utility model and the scope of the specification.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551437.XU CN207500030U (en) | 2017-11-17 | 2017-11-17 | A kind of single cylinder fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551437.XU CN207500030U (en) | 2017-11-17 | 2017-11-17 | A kind of single cylinder fuel injection pump |
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| Publication Number | Publication Date |
|---|---|
| CN207500030U true CN207500030U (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721551437.XU Expired - Fee Related CN207500030U (en) | 2017-11-17 | 2017-11-17 | A kind of single cylinder fuel injection pump |
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| Country | Link |
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| CN (1) | CN207500030U (en) |
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2017
- 2017-11-17 CN CN201721551437.XU patent/CN207500030U/en not_active Expired - Fee Related
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