Diesel engine high-pressure plunger dispensing pump

Abstract

The utility model discloses a high-pressure plunger distribution pump of a diesel engine, which relates to the technical field of high-pressure plunger distribution pump structures, and aims to solve the problem of improving the quality of oil injection by removing moisture in diesel oil, and adopts the technical scheme that the high-pressure plunger distribution pump is characterized in that a fixed mounting seat is arranged at the front end of a distribution pump outer shell; a distribution chamber is arranged at the rear end of the distribution pump outer shell, a sealing seat is installed on one side of the distribution chamber, an electromagnetic control valve is installed on one side of the sealing seat, a transmission shaft is installed at one end of the distribution pump outer shell, and an adjusting seat is arranged on one side of the upper end of the distribution pump outer shell. A speed regulating gear is arranged in the distribution pump outer shell, an oil inlet seat is arranged above the distribution pump outer shell, an oil-water separator is installed on one side of the distribution pump outer shell, and a high-pressure plunger pump is installed below the speed regulating gear.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure plunger distribution pump structures, in particular to a high-pressure plunger distribution pump for a diesel engine. Background Art

[0002] The high-pressure plunger distribution pump is a single-plunger high-pressure fuel injection pump. Its structural feature is that it uses a group of fuel supply components to supply fuel to each cylinder of the diesel engine in a timely and quantitative manner through a distribution mechanism. The high-pressure plunger distribution pump has the characteristics of compact structure, small size and light weight. It has the advantages of good high-speed performance, reliable operation, complete functions and easy installation and layout.

[0003] Existing diesel engine high-pressure plunger distribution pumps cannot effectively remove moisture from diesel, so moisture can easily enter the diesel engine, which may affect the service life of the diesel engine. Utility Model Content

[0004] The utility model aims to provide a high-pressure plunger distribution pump for a diesel engine, which can remove water from diesel, thereby improving the quality of fuel injection.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A high-pressure plunger distribution pump for a diesel engine comprises a distribution pump outer shell, a fixed mounting seat being provided at the front end of the distribution pump outer shell, a distribution chamber being provided at the rear end of the distribution pump outer shell, a sealing seat being provided on one side of the distribution chamber, an electromagnetic control valve being provided on one side of the sealing seat, a transmission shaft being provided at one end of the distribution pump outer shell, an adjustment seat being provided on one side of the upper end of the distribution pump outer shell, a speed regulating gear being provided inside the distribution pump outer shell, an oil inlet seat being provided above the distribution pump outer shell, an oil-water separator being provided on one side of the distribution pump outer shell, and a high-pressure plunger pump being provided below the speed regulating gear.

[0007] By adopting the above technical solution, the high-pressure plunger distribution pump can be used well. The oil speed can be conveniently adjusted through the setting of the adjustment seat and the speed regulating gear. The water in the oil can be conveniently separated through the setting of the oil-water separator, thereby making the use effect of the diesel engine high-pressure plunger distribution pump better.

[0008] Furthermore, the fixed mounting seat and the outer shell of the distribution pump are an integrated structure, and a fixing screw hole is provided inside the fixed mounting seat.

[0009] By adopting the above technical solution, the structure between the fixed mounting seat and the outer shell of the distribution pump can be made more solid, and the outer shell of the distribution pump can be conveniently installed and fixed by providing the fixed mounting seat and the fixing screw holes.

[0010] Furthermore, the distribution chamber and the distribution pump outer shell are an integrated structure, the sealing seat and the distribution chamber are fixedly connected by fixing screws, a distribution connecting seat is provided at one end of the sealing seat, and an oil outlet pipe is installed on one side of the distribution connecting seat.

[0011] By adopting the above technical solution, the structure between the distribution chamber and the outer shell of the distribution pump can be made more solid, the sealing seat and the distribution chamber can be conveniently installed and fixed by fixing screws, and the oil can be conveniently distributed through the set distribution connecting seat and oil outlet pipe, thereby making the use effect of the diesel engine high-pressure plunger distribution pump better.

[0012] Furthermore, a mounting seat is provided at the upper end of the outer shell of the dispensing pump, a sealing cover is installed above the mounting seat, and the sealing cover and the mounting seat are fixedly connected by connecting screws.

[0013] By adopting the above technical solution, the sealing cover and the mounting seat can be conveniently installed and fixed by connecting screws.

[0014] Furthermore, the speed regulating gear is arranged corresponding to the adjustment seat, a flyweight is arranged at one end of the speed regulating gear, and the high-pressure plunger pump is arranged corresponding to the oil inlet seat.

[0015] By adopting the above technical solution, the injection speed can be conveniently adjusted through the setting of the adjustment seat, speed regulating gear and fly hammer, thereby adjusting the speed of the diesel engine to ensure that the diesel engine can operate stably under different working conditions. The fly hammer automatically adjusts the injection advance foot through the action of centrifugal force to ensure that the diesel engine can work normally at different speeds.

[0016] Furthermore, an oil outlet is provided at the upper end of the oil-water separator, and the oil outlet is fixedly connected to the oil inlet seat via a connecting pipe. An oil suction end is provided at one end of the oil-water separator.

[0017] By adopting the above technical solution, the water in the oil can be separated by the provided oil-water separator, which can improve the quality of the delivered oil and enable the diesel engine to work better.

[0018] 1. The utility model rotates the speed regulating gear by adjusting the adjusting seat. The speed of the fuel injection can be conveniently adjusted by the adjusting seat and the speed gear, thereby adjusting the speed of the diesel engine to ensure that the diesel engine can operate stably under different working conditions. At the same time, the fly hammer automatically adjusts the fuel injection advance foot through the action of centrifugal force to ensure that the diesel engine can work normally under different speeds.

[0019] 2. The utility model is capable of separating the water in the diesel by setting up the oil-water separator 16, so that the quality of the diesel delivered to the diesel engine is higher, thereby protecting the diesel engine. Then, the separated diesel is ejected from the distribution connection seat through the high-pressure plunger pump and distributed to each cylinder of the diesel engine through the oil outlet pipe, so that the diesel engine can work well. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0021] Figure 2 This is a sectional top view of the utility model as a whole;

[0022] Figure 3 For this utility model Figure 2 A partial enlarged view of point A.

[0023] In the figure: 1. Distribution pump outer shell; 101. Mounting seat; 2. Fixed mounting seat; 201. Fixing screw hole; 3. Distribution chamber; 4. Sealing seat; 401. Distribution connecting seat; 5. Fixing screw; 6. Oil outlet pipe; 7. Solenoid control valve; 8. Drive shaft; 9. Adjusting seat; 10. Sealing cover; 11. Connecting screw; 12. Speed ​​regulating gear; 13. Fly hammer; 14. Oil inlet seat; 15. Connecting pipe; 16. Oil-water separator; 1601. Oil outlet end; 1602. Oil suction end; 17. High-pressure plunger pump. DETAILED DESCRIPTION

[0024] The method of the utility model is further described in detail below with reference to the accompanying drawings.

[0025] Refer to the attached Figure 1 、 Figure 2 and Figure 3 A high-pressure plunger distribution pump for a diesel engine comprises a distribution pump outer shell 1, a fixed mounting seat 2 is provided at the front end of the distribution pump outer shell 1, a distribution chamber 3 is provided at the rear end of the distribution pump outer shell 1, a sealing seat 4 is provided on one side of the distribution chamber 3, an electromagnetic control valve 7 is provided on one side of the sealing seat 4, a transmission shaft 8 is provided at one end of the distribution pump outer shell 1, an adjustment seat 9 is provided on one side of the upper end of the distribution pump outer shell 1, a speed regulating gear 12 is provided inside the distribution pump outer shell 1, an oil inlet seat 14 is provided above the distribution pump outer shell 1, an oil-water separator 16 is provided on one side of the distribution pump outer shell 1, and a high-pressure plunger pump 17 is provided below the speed regulating gear 12, which can drive the high-pressure plunger distribution pump to work through the provided transmission shaft 8, can adjust the speed of fuel injection through the provided adjustment seat 9 and the speed regulating gear 12, and can adjust the water content in the oil through the provided oil-water separator 16, thereby improving the quality of the oil and thus protecting the diesel engine well.

[0026] Refer to the attached Figure 1 and Figure 2 The fixed mounting seat 2 and the distribution pump outer shell 1 are an integral structure, and a fixing screw hole 201 is provided inside the fixed mounting seat 2. The distribution chamber 3 and the distribution pump outer shell 1 are an integral structure. The sealing seat 4 and the distribution chamber 3 are fixedly connected by a fixing screw 5. One end of the sealing seat 4 is provided with a distribution connecting seat 401, and one side of the distribution connecting seat 401 is provided with an oil outlet pipe 6. The upper end of the distribution pump outer shell 1 is provided with a mounting seat 101, and a sealing cover 10 is installed above the mounting seat 101. The sealing cover 10 and the mounting seat 101 are fixedly connected by connecting screws 11. The fixed mounting seat 2 is provided to conveniently install and fix the high-pressure plunger distribution pump, and the fixing screws 5 can be used to conveniently install the sealing seat 4 and the distribution chamber 3. The connecting screws 11 can be used to conveniently install and fix the sealing cover 10 and the mounting seat 101, so that the high-pressure plunger distribution pump can be well sealed and installed.

[0027] Refer to the attached Figure 1 、 Figure 2 and Figure 3 The speed regulating gear 12 is arranged corresponding to the adjusting seat 9, and a fly hammer 13 is arranged at one end of the speed regulating gear 12. The high-pressure plunger pump 17 is arranged corresponding to the oil inlet seat 14. The upper end of the oil-water separator 16 is provided with an oil outlet end 1601, and the oil outlet end 1601 is fixedly connected to the oil inlet seat 14 by a connecting pipe 15. An oil suction end 1602 is provided at one end of the oil-water separator 16. The speed regulating gear 12 and the fly hammer 13 can conveniently adjust the injection speed through the arranged adjusting seat 9, the speed regulating gear 12 and the fly hammer 13, thereby adjusting the speed of the diesel engine to ensure that the diesel engine can be transported stably under different working conditions. The fly hammer 13 automatically adjusts the injection advance foot through the action of centrifugal force to ensure that the diesel engine can work normally at different speeds. The water in the diesel can be separated by the oil-water separator 16, so that the quality of the diesel delivered to the diesel engine is higher, thereby protecting the diesel engine.

[0028] Working principle: When in use, the speed regulating gear 12 is rotated by adjusting the adjusting seat 9. The setting of the adjusting seat 9 and the speed gear 12 can conveniently adjust the injection speed, thereby adjusting the diesel engine speed to ensure that the diesel engine can operate stably under different working conditions. At the same time, the fly hammer 13 automatically adjusts the injection advance foot through the action of centrifugal force to ensure that the diesel engine can work normally at different speeds. The diesel is then transported by the high-pressure plunger pump 17, so that the diesel enters the oil-water separator 16 through the oil suction end 1602. The water in the diesel can be separated by the set oil-water separator 16, so that the quality of the diesel delivered to the diesel engine is higher, thereby protecting the diesel engine. The separated diesel is then ejected from the distribution connecting seat 401 through the high-pressure plunger pump 17 and distributed to each cylinder of the diesel engine through the oil outlet pipe 6, so that the diesel engine can work well.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A diesel engine high-pressure plunger distribution pump, comprising a distribution pump outer shell (1), characterized in that: The front end of the distribution pump outer shell (1) is provided with a fixed mounting seat (2), the rear end of the distribution pump outer shell (1) is provided with a distribution chamber (3), a sealing seat (4) is installed on one side of the distribution chamber (3), and an electromagnetic control valve (7) is installed on one side of the sealing seat (4). A transmission shaft (8) is installed on one end of the distribution pump outer shell (1), an adjustment seat (9) is provided on one side of the upper end of the distribution pump outer shell (1), a speed regulating gear (12) is provided inside the distribution pump outer shell (1), an oil inlet seat (14) is provided above the distribution pump outer shell (1), an oil-water separator (16) is installed on one side of the distribution pump outer shell (1), and a high-pressure plunger pump (17) is installed below the speed regulating gear (12).

2. A diesel engine high-pressure plunger distribution pump according to claim 1, characterized in that: The fixed mounting seat (2) and the distribution pump outer shell (1) are an integral structure, and a fixing screw hole (201) is provided inside the fixed mounting seat (2).

3. A diesel engine high-pressure plunger distribution pump according to claim 2, characterized in that: The distribution chamber (3) and the distribution pump outer shell (1) are an integrated structure. The sealing seat (4) and the distribution chamber (3) are fixedly connected by fixing screws (5). A distribution connection seat (401) is provided at one end of the sealing seat (4), and an oil outlet pipe (6) is installed on one side of the distribution connection seat (401).

4. A diesel engine high-pressure plunger distribution pump according to claim 3, characterized in that: A mounting seat (101) is provided at the upper end of the dispensing pump outer shell (1), a sealing cover (10) is installed above the mounting seat (101), and the sealing cover (10) and the mounting seat (101) are fixedly connected via connecting screws (11).

5. A diesel engine high-pressure plunger distribution pump according to claim 4, characterized in that: The speed regulating gear (12) is arranged corresponding to the regulating seat (9), a fly hammer (13) is arranged at one end of the speed regulating gear (12), and the high-pressure plunger pump (17) is arranged corresponding to the oil inlet seat (14).

6. A diesel engine high-pressure plunger distribution pump according to claim 5, characterized in that: An oil outlet (1601) is provided at the upper end of the oil-water separator (16), and the oil outlet (1601) is fixedly connected to the oil inlet seat (14) via a connecting pipe (15). An oil suction end (1602) is provided at one end of the oil-water separator (16).

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