A replaceable plunger type automobile high pressure oil pump

Abstract

The present invention discloses a replaceable plunger type automobile high-pressure oil pump, comprising a main body pump, a pressure regulating valve is fixedly installed near the middle position at one end of the main body pump, a connecting pipe is fixedly installed at the upper end of the main body pump, a fixing plate is movably installed at the lower end of the main body pump, mounting holes are arranged on both sides of the fixing plate, a connecting ring is fixedly connected to the inner side of the fixing plate, a circular ring is arranged on the inner side of the fixing plate, an annular groove is provided on the outer side of the circular ring near the position of the connecting ring, and a connecting sleeve is arranged on the fixing plate. In the present invention, the fixing plate is rotated to make the mounting holes on both sides of the fixing plate correspond to the connecting sleeve, and then fixed by bolts. By rotating the fixing plate, the position change of the mounting holes can be adjusted to adapt to installation at different angles, so that the plunger type automobile high-pressure oil pump can be conveniently disassembled and assembled, so that the plunger type automobile high-pressure oil pump can be conveniently replaced.

Description

Technical Field

[0001] The invention relates to the technical field of high-pressure oil pumps, and in particular to a replaceable plunger-type automobile high-pressure oil pump. Background Art

[0002] The operating pressure of the plunger type automobile high pressure oil pump should generally be between 10MPa and 100MPa. It is a positive displacement pump that uses the periodic change of the volume in the working chamber to achieve the purpose of conveying liquid. The plunger type automobile high pressure oil pump not only has good suction performance, but also has good self-priming performance. Therefore, for most reciprocating pumps, it is usually not necessary to prime the pump before starting, which makes it highly efficient and energy-saving.

[0003] Most plunger-type automobile high-pressure oil pumps are installed on the upper side of the engine by bolts. Long-term vibration will cause the bolts to deform or be damaged, making it difficult to remove the bolts. It is very inconvenient to replace the plunger-type automobile high-pressure oil pump. Summary of the invention

[0004] The main purpose of the present invention is to provide a replaceable plunger type automobile high-pressure oil pump, which can effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A replaceable plunger type automobile high-pressure oil pump, comprising a main body pump, a pressure regulating valve is fixedly installed near the middle position at one end of the main body pump, a connecting pipe is fixedly installed at the upper end of the main body pump, a fixing plate is movably installed at the lower end of the main body pump, mounting holes are arranged on both sides of the fixing plate, a connecting ring is fixedly connected to the inner side of the fixing plate, a circular ring is arranged on the inner side of the fixing plate, an annular groove is opened on the outer side of the circular ring near the connecting ring, a connecting sleeve is arranged on the fixing plate, and stabilizing mechanisms are fixedly installed at the front and rear ends of the connecting sleeve;

[0007] The stabilizing mechanism comprises a connecting frame fixedly connected to the front end of the connecting sleeve, a fixing block is fixedly connected to the upper front end of the connecting frame, a square groove is opened on the inner side of the fixing block, a curved plate is arranged on the inner side of the square groove near the front end, connecting blocks are fixedly connected to both ends of the curved plate near the lower side, a connecting groove is opened inside the curved plate near the upper side, a clamping block is fixedly connected to the lower rear end of the curved plate, a control rod is arranged on the inner side of the square groove and the connecting groove, a connecting rod is fixedly connected to the lower end of the control rod, a spring is sleeved on the outer side of the control rod near the upper end of the curved plate, and a nut is sleeved on the outer side of the control rod near the upper end of the spring.

[0008] Preferably, the fixing block is located in the middle of the connecting frame, the fixing block is U-shaped, the lower side of the curved plate is adapted to the square groove, and the connecting block is movably connected to the inner walls on both sides of the square groove.

[0009] Preferably, the clamping block is located at the upper end of the fixing plate near one side, the curved plate, the connecting block and the clamping block are integrated, the control rod is matched with the connecting groove, and a thread is provided on the upper side of the control rod.

[0010] Preferably, the connecting rod is movably connected to the inner walls on both sides of the square groove, and the control rod and the connecting rod are integrated.

[0011] Preferably, the spring is located between the curved plate and the nut, and the nut is threadedly connected to the control rod.

[0012] Preferably, the connecting ring is located inside the annular groove.

[0013] Preferably, the connecting ring is adapted to the annular groove.

[0014] Preferably, the ring is connected between the main pump and the stabilizing mechanism.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In the present invention, the fixing plate is rotated to make the mounting holes on both sides of the fixing plate correspond to the connecting sleeve, and then fixed by bolts. The position of the mounting holes can be adjusted by rotating the fixing plate to adapt to installation at different angles, so that the plunger type automobile high-pressure oil pump can be easily disassembled and assembled, thereby enabling the plunger type automobile high-pressure oil pump to be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a replaceable plunger-type automobile high-pressure oil pump of the present invention;

[0018] Figure 2 It is a schematic diagram of the overall partial cross-section structure of a replaceable plunger-type automobile high-pressure oil pump of the present invention;

[0019] Figure 3 It is a schematic diagram of the structure of a stabilizing mechanism of a replaceable plunger-type automobile high-pressure oil pump according to the present invention;

[0020] Figure 4 The present invention is a schematic diagram of the partial cross-section structure of a stabilizer of a replaceable plunger-type automobile high-pressure oil pump.

[0021] In the figure: 1. main pump; 2. pressure regulating valve; 3. connecting pipe; 4. fixing plate; 5. connecting ring; 6. circular ring; 7. annular groove; 8. connecting sleeve; 9. stabilizing mechanism; 91. connecting frame; 92. fixing block; 93. square groove; 94. curved plate; 95. connecting block; 96. connecting groove; 97. clamping block; 98. control rod; 99. connecting rod; 910. spring; 911. nut. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0023] like Figure 1-4 As shown, a replaceable plunger type automobile high-pressure oil pump comprises a main body pump 1, a pressure regulating valve 2 is fixedly installed near the middle position at one end of the main body pump 1, a connecting pipe 3 is fixedly installed at the upper end of the main body pump 1, a fixing plate 4 is movably installed at the lower end of the main body pump 1, mounting holes are arranged on both sides of the fixing plate 4, a connecting ring 5 is fixedly connected to the inner side of the fixing plate 4, a circular ring 6 is arranged on the inner side of the fixing plate 4, an annular groove 7 is opened on the outer side of the circular ring 6 near the connecting ring 5, a connecting sleeve 8 is arranged on the fixing plate 4, and a stabilizing mechanism 9 is fixedly installed at both front and rear ends of the connecting sleeve 8;

[0024] The stabilizing mechanism 9 includes a connecting frame 91 fixedly connected to the front end of the connecting sleeve 8, a fixing block 92 is fixedly connected to the upper front end of the connecting frame 91, a square groove 93 is provided on the inner side of the fixing block 92, a curved plate 94 is provided on the inner side of the square groove 93 near the front end, connecting blocks 95 are fixedly connected to both ends of the curved plate 94 near the lower side, a connecting groove 96 is provided inside the curved plate 94 near the upper side, a clamping block 97 is fixedly connected to the lower rear end of the curved plate 94, a control rod 98 is provided on the inner side of the square groove 93 and the connecting groove 96, a connecting rod 99 is fixedly connected to the lower end of the control rod 98, a spring 910 is sleeved on the outer side of the control rod 98 near the upper end of the curved plate 94, and a nut 911 is sleeved on the outer side of the control rod 98 near the upper end of the spring 910.

[0025] Among them, the fixing block 92 is located in the middle position of the connecting frame 91, the fixing block 92 is U-shaped, the lower side position of the curved plate 94 is adapted to the square groove 93, the connecting block 95 is movably connected to the inner walls on both sides of the square groove 93, the clamping block 97 is located at the upper end of the fixing plate 4 near one side, the curved plate 94, the connecting block 95, and the clamping block 97 are integrated, the control rod 98 is adapted to the connecting groove 96, and the upper side position of the control rod 98 is provided with a thread, the connecting rod 99 is movably connected to the inner walls on both sides of the square groove 93, the control rod 98 and the connecting rod 99 are integrated, the spring 910 is located between the curved plate 94 and the nut 911, and the nut 911 and the control rod 98 are threadedly connected.

[0026] Moreover, by rotating the two sets of curved plates 94, the two sets of clamps 97 are placed at the upper ends of the edges of both sides of the fixed plate 4, and then by rotating the two sets of nuts 911, the two sets of nuts 911 move downward, so that the two sets of springs 910 are compressed, and the elasticity of the two sets of springs 910 themselves will push the two sets of curved plates 94 downward to further strengthen the fixation of both sides of the fixed plate 4. At the same time, the setting of the two sets of springs 910 can alleviate the overall vibration of the engine to a certain extent.

[0027] The connecting ring 5 is located inside the annular groove 7 , the connecting ring 5 is matched with the annular groove 7 , and the circular ring 6 is connected between the main pump 1 and the stabilizing mechanism 9 .

[0028] Moreover, by rotating the fixing plate 4, the mounting holes on both sides of the fixing plate 4 are aligned with the connecting sleeve 8, and then fixed by bolts. By rotating the fixing plate 4, the position of the mounting holes can be adjusted to adapt to installation at different angles. There is no need to disassemble and adjust the entire body, which is convenient and quick, and improves work efficiency.

[0029] In this embodiment: by rotating the fixing plate 4, the mounting holes on both sides of the fixing plate 4 are aligned with the connecting sleeve 8, and then fixed by bolts. By rotating the fixing plate 4, the position of the mounting holes can be adjusted to adapt to installation at different angles, so that the plunger type automobile high-pressure oil pump can be easily disassembled and assembled, thereby enabling the plunger type automobile high-pressure oil pump to be easily replaced.

[0030] Moreover, by rotating the two sets of curved plates 94, the two sets of clamps 97 are placed at the upper ends of the edges of both sides of the fixed plate 4, and then by rotating the two sets of nuts 911, the two sets of nuts 911 move downward, so that the two sets of springs 910 are compressed, and the elasticity of the two sets of springs 910 themselves will push the two sets of curved plates 94 downward to further strengthen the fixation of both sides of the fixed plate 4. At the same time, the setting of the two sets of springs 910 can alleviate the overall vibration of the engine to a certain extent.

[0031] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A replaceable plunger type automobile high pressure oil pump, comprising a main pump (1), characterized in that: A pressure regulating valve (2) is fixedly installed near the middle position of one end of the main pump (1), a connecting pipe (3) is fixedly installed at the upper end of the main pump (1), a fixing plate (4) is movably installed at the lower end of the main pump (1), both sides of the fixing plate (4) are provided with mounting holes, a connecting ring (5) is fixedly connected to the inner side of the fixing plate (4), a circular ring (6) is provided on the inner side of the fixing plate (4), an annular groove (7) is provided on the outer side of the circular ring (6) near the connecting ring (5), a connecting sleeve (8) is provided on the fixing plate (4), and stabilizing mechanisms (9) are fixedly installed at the front and rear ends of the connecting sleeve (8); The stabilizing mechanism (9) comprises a connecting frame (91) fixedly connected to the front end of the connecting sleeve (8); a fixing block (92) is fixedly connected to the upper front end of the connecting frame (91); a square groove (93) is provided on the inner side of the fixing block (92); a curved plate (94) is provided on the inner side of the square groove (93) near the front end; connecting blocks (95) are fixedly connected to both ends of the curved plate (94) near the lower side; a connecting groove (96) is provided inside the curved plate (94) near the upper side; and a clamping block (97) is fixedly connected to the lower rear end of the curved plate (94).

2. The replaceable plunger type automobile high pressure oil pump according to claim 1, characterized in that: The fixing block (92) is located in the middle of the connecting frame (91), the fixing block (92) is U-shaped, the lower side of the curved plate (94) is adapted to the square groove (93), and the connecting block (95) is movably connected to the inner walls of both sides of the square groove (93).

3. The replaceable plunger type automobile high pressure oil pump according to claim 1, characterized in that: The clamping block (97) is located at the upper end of the fixing plate (4) near one side. The curved plate (94), the connecting block (95) and the clamping block (97) are integrated. The control rod (98) is matched with the connecting groove (96). The upper side of the control rod (98) is provided with a thread.

4. The replaceable plunger type automobile high pressure oil pump according to claim 1, characterized in that: The connecting rod (99) is movably connected to the inner walls of both sides of the square groove (93), and the control rod (98) and the connecting rod (99) are integrated.

5. The replaceable plunger type automobile high pressure oil pump according to claim 1, characterized in that: The spring (910) is located between the curved plate (94) and the nut (911), and the nut (911) is threadedly connected to the control rod (98).

6. The replaceable plunger type automobile high pressure oil pump according to claim 5, characterized in that: The connecting ring (5) is located inside the annular groove (7).

7. The replaceable plunger type automobile high pressure oil pump according to claim 5, characterized in that: The connecting ring (5) is matched with the annular groove (7).

8. The replaceable plunger type automobile high pressure oil pump according to claim 5, characterized in that: The circular ring (6) is connected between the main pump (1) and the stabilizing mechanism (9).

9. The replaceable plunger type automobile high pressure oil pump according to claim 1, characterized in that: A control rod (98) is provided at the inner side of the square groove (93) and the connecting groove (96), and a connecting rod (99) is fixedly connected to the lower end of the control rod (98).

10. The replaceable plunger type automobile high pressure oil pump according to claim 9, characterized in that: A spring (910) is sleeved on the outer side of the control rod (98) near the upper end of the curved plate (94), and a nut (911) is sleeved on the outer side of the control rod (98) near the upper end of the spring (910).

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