Large-flow combined type internal combustion engine oil delivery pump

Abstract

The utility model discloses a large-flow combined type internal combustion engine oil delivery pump, relates to the technical field of internal combustion engine oil delivery pump structures, and aims to solve the problems that an internal combustion engine oil delivery pump is inconvenient to overhaul, and meanwhile, parts are inconvenient to disassemble and replace when the internal combustion engine oil delivery pump breaks down. According to the technical scheme, the oil pump is characterized by comprising an oil pump lower shell, a connecting shell is mounted above the oil pump lower shell, a rotating mounting base is mounted in the oil pump lower shell, a rotor is mounted on one side of the rotating mounting base, a limiting groove is formed in the rotor, and a mounting groove is formed in the outer wall of the rotor; mounting grooves are formed in the connecting shell, blades are mounted in the mounting grooves, a limiting seat is mounted on one side of the rotor, a fixing seat is mounted on one side of the limiting seat, a rotating shaft is mounted at one end of the connecting shell, a bearing is mounted at the other end of the rotating shaft, a mounting shell is mounted on one side of the connecting shell, and a sealing seat is mounted at the other end of the rotating shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to internal combustion engine oil pump structure technical field especially a kind of large-flow combined internal combustion engine oil pump. BACKGROUND

[0002] The function of internal combustion engine oil pump is to ensure that diesel oil circulates in low-pressure oil circuit, and supply sufficient amount of fuel, i.e., fuel of certain pressure to fuel injection pump, and the oil delivery capacity thereof should be 3-4 times of maximum fuel injection amount at full load, and the internal combustion engine oil pump is divided into gear type oil pump, diaphragm type oil pump, plunger type oil pump and pipeline type oil pump.

[0003] The existing internal combustion engine oil pump usually has large friction inside when delivering oil, so that the internal combustion engine oil pump is prone to damage due to wear, and the internal combustion engine oil pump is inconvenient to overhaul when it fails. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of large-flow combined internal combustion engine oil pump, which can realize convenient overhaul of internal combustion engine oil pump, and facilitate disassembly and replacement of parts when internal combustion engine oil pump fails.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of large-flow combined internal combustion engine oil pump, comprising oil pump lower shell, the lower shell of oil pump is provided with oil inlet at one end, the upper of oil pump lower shell is installed with connecting shell, the one end of connecting shell is provided with oil outlet, the inside of oil pump lower shell is installed with rotary mounting seat, the one side of rotary mounting seat is installed with rotor, the inside of rotor is provided with limit slot, the inside of rotor outer wall is provided with installation groove, the inside of installation groove is installed with vane, the one side of rotor is installed with limit seat, the one side of limit seat is installed with fixed seat, the one end of connecting shell is installed with rotating shaft, the other end of rotating shaft is installed with bearing, the one side of connecting shell is installed with installation shell, the other end of rotating shaft is installed with sealing seat.

[0007] By adopting the above technical scheme, the oil inlet can be conveniently filled with oil, the oil outlet can be conveniently discharged, the rotor rotation can drive the vane to rotate, the rotating shaft can drive the rotor to rotate, the bearing can reduce friction, the rotating shaft can rotate more smoothly, the mechanical efficiency can be improved, and the wear of the device can be reduced.

[0008] Further, the lower end of the connecting shell is provided with a mounting seat, the mounting seat and the connecting shell are an integral structure, and the mounting seat is provided with a fixing hole in the inside.

[0009] By adopting the technical scheme, the structure between the mounting seat and the connecting shell is more firm, and the fixing holes are arranged to facilitate the mounting and fixing of the connecting shell and the lower shell of the oil pump.

[0010] Further, the lower shell of the oil pump and the connecting shell are fixedly connected through connecting bolts, the connecting bolts are arranged in four, and one end of the connecting bolts penetrates through the lower shell of the oil pump and extends to the inside of the fixing hole arranged in the connecting shell.

[0011] By adopting the technical scheme, the lower shell of the oil pump and the connecting shell are fixedly connected through the connecting bolts.

[0012] Further, one end of the rotating shaft is located in the rotating mounting seat, and the one end of the rotating shaft is provided with a limiting mounting end corresponding to the limiting groove.

[0013] By adopting the technical scheme, the one end of the rotating shaft and the rotating mounting seat are fixedly connected through the arrangement, so that the rotating shaft can be fixedly connected in the rotating mounting seat.

[0014] Further, the inside of one end of the connecting shell is provided with a mounting screw hole one, the inside of the mounting shell is provided with a mounting screw hole two corresponding to the mounting screw hole one, and the periphery of the mounting screw hole two is provided with a fixing hole.

[0015] By adopting the technical scheme, the connecting shell and the mounting shell are fixedly connected through the arrangement.

[0016] Further, the mounting shell and the connecting shell are fixedly connected through mounting screws, the mounting screws are arranged in three, and one end of the mounting screws penetrates through the mounting screw hole two and extends to the inside of the mounting screw hole one.

[0017] By adopting the technical scheme, the mounting shell and the connecting shell are fixedly connected through the mounting screws, so that the mounting of the mounting shell and the connecting shell is more convenient.

[0018] 1, the utility model discloses a connecting bolt can conveniently install and fix between the lower shell of oil pump and connecting shell, and the mounting screw can conveniently install and fix between the connecting shell and the lower shell of oil pump, so that the oil pump can be conveniently installed, the bearing of installation can reduce the friction, the rotating shaft can rotate more smoothly, can improve mechanical efficiency, reduce the abrasion of device, the sealing effect between the rotating shaft and the mounting shell can be improved through the sealing seat, and the oil leakage is avoided.

[0019] 2, the utility model discloses when oil injection pump works, rotates through the rotating shaft, thereby makes the rotating shaft drive rotor to rotate, and the oil pump lower casing and rotor are eccentric installation, and the oil inlet is located at one end of eccentric, and the oil outlet is at the other end, when the rotor rotates, the blade is thrown out, and the blade is tightly attached to the sealed cavity of the oil pump lower casing inner chamber, and the cavity separated by the blade is increasing along with the rotation of rotor, forms the negative pressure, and oil enters from the oil inlet, and then rotates, approaches the other end of eccentric, and the cavity separated by the blade is smaller, and the pressure increases, and oil is pressed out from the oil outlet, so this can conveniently transport oil. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall perspective drawing of the utility model;

[0021] Figure 2 It is the overall explosion drawing of the utility model figure;

[0022] Figure 3 It is the utility model Figure 2 A place partial enlarged view.

[0023] In the drawing: 1, oil pump lower casing;101, oil inlet;2, connecting casing;201, mounting seat;202, fixed hole;203, oil outlet;204, mounting screw hole one;3, connecting bolt;4, rotating mounting seat;5, rotor;501, installation slot;502, limit slot;6, blade;7, limit seat;8, fixed seat;9, rotating shaft;901, limit installation end;10, bearing;11, mounting casing;1101, mounting screw hole two;1102, fixed hole;12, mounting screw;13, sealing seat. DETAILED DESCRIPTION

[0024] The utility model method is further explained in detail below in connection with the drawings.

[0025] Refer to the drawings Figure 1 , Figure 2 and Figure 3The utility model provides a large flow combined internal -combustion engine oil pump, including oil pump lower casing 1, one end of oil pump lower casing 1 is provided with oil inlet 101, the upper installation of oil pump lower casing 1 is provided with connecting casing 2, one end of connecting casing 2 is provided with oil outlet 203, the inside installation of oil pump lower casing 1 is provided with rotary mounting seat 4, one side of rotary mounting seat 4 is installed with rotor 5, the inside of rotor 5 is provided with limit groove 502, the inside of rotor 5 outer wall is provided with installation groove 501, the inside of installation groove 501 is installed with vane 6, one side of rotor 5 is installed with limit seat 7, one side of limit seat 7 is installed with fixed seat 8, one end of connecting casing 2 is installed with rotating shaft 9, the other end of rotating shaft 9 is installed with bearing 10, one side of connecting casing 2 is installed with installation casing 11, the other end of rotating shaft 9 is installed with sealing seat 13, it can make rotating shaft 9 drive rotor 5 to rotate through rotating shaft 9 rotation, so that rotor 5 drives vane 6 to rotate, this can carry out conveying, can alleviate friction through the bearing 10 of installation, make rotating shaft 9 can rotate more smoothly, can improve mechanical efficiency, reduce the abrasion of device, can improve the sealing effect between rotating shaft 9 and installation casing 11 through the sealing seat 13 of setting up.

[0026] Refer to the attached drawings Figure 1 And Figure 2 The lower end of connecting casing 2 is provided with mounting seat 201, the mounting seat 201 and the connecting casing 2 are integrated, the first fixing hole 202 is arranged in the mounting seat 201, the oil pump lower casing 1 and the connecting casing 2 are fixedly connected through the connecting bolts 3, the connecting bolts 3 are provided with four, one end of the connecting bolts 3 passes through the oil pump lower casing 1 and extends to the inside of the first fixing hole 202 arranged in the connecting casing 2, the connecting bolts 3 can conveniently install and fix the connecting casing 2 and the oil pump lower casing 1, so that the oil pump can be conveniently installed.

[0027] Refer to Figure 1 And Figure 2 One end of the rotating shaft 9 is located in the inside of the rotary mounting seat 4, the limiting mounting end 901 is arranged at one end of the rotating shaft 9 corresponding to the limiting groove 502, the mounting screw hole one 204 is arranged in the inside of one end of the connecting casing 2, the mounting screw hole two 1101 corresponding to the mounting screw hole one 204 is arranged in the inside of the installation casing 11, the second fixing hole 1102 is arranged around the mounting screw hole two 1101, the installation casing 11 and the connecting casing 2 are fixedly connected through the mounting screws 12, the mounting screws 12 are provided with three, one end of the mounting screws 12 passes through the mounting screw hole two 1101 and extends to the inside of the mounting screw hole one 204, the mounting screws 12 can conveniently install and fix the installation casing 11 and the connecting casing 2, so that the oil pump can be conveniently installed.

[0028] Working principle: when in use, the lower oil pump shell 1 and the connecting shell 2 can be conveniently installed and fixed through the connecting bolt 3, and the connecting shell 2 and the lower oil pump shell 1 can be conveniently installed and fixed through the mounting screw 12, so that the oil pump can be conveniently installed, when working, the rotating shaft 9 is rotated, so that the rotating shaft 9 drives the rotor 5 to rotate, the lower oil pump shell 1 and the rotor 5 are eccentrically installed, the oil inlet 101 is located at one end of the eccentricity, and the oil outlet 203 is at the other end, when the rotor 5 rotates, the blade 6 is thrown out, the blade 6 tightly abuts the inner cavity of the lower oil pump shell 1 to form a sealed cavity, the cavity separated by the blade 6 increases with the rotation of the rotor 5, forming a negative pressure, oil enters from the oil inlet 101, and then rotates, approaches the other end of the eccentricity, the cavity separated by the blade 6 becomes smaller, the pressure increases, and the oil is pressed out from the oil outlet 203, so that the oil can be conveniently transported, the bearing 10 can reduce friction, the rotating shaft 9 can rotate more smoothly, the mechanical efficiency can be improved, the wear of the device can be reduced, the sealing seat 13 can improve the sealing effect between the rotating shaft 9 and the mounting shell 11, and the oil leakage can be avoided.

[0029] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or device.

[0030] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A large flow combined oil pump for internal combustion engine, comprising a lower oil pump housing (1), characterized in that: The lower shell of the oil pump (1) is provided with an oil inlet (101), the upper part of the oil pump lower shell (1) is provided with a connecting shell (2), one end of the connecting shell (2) is provided with an oil outlet (203), the inside of the oil pump lower shell (1) is provided with a rotating mounting seat (4), one side of the rotating mounting seat (4) is provided with a rotor (5), the inside of the rotor (5) is provided with a limiting groove (502), the inside of the outer wall of the rotor (5) is provided with a mounting groove (501), the inside of the mounting groove (501) is provided with a blade (6), one side of the rotor (5) is provided with a limiting seat (7), one side of the limiting seat (7) is provided with a fixed seat (8), one end of the connecting shell (2) is provided with a rotating shaft (9), the other end of the rotating shaft (9) is provided with a bearing (10), one side of the connecting shell (2) is provided with a mounting shell (11), the other end of the rotating shaft (9) is provided with a sealing seat (13).

2. A large flow combined oil pump for internal combustion engines according to claim 1, characterized in that: The lower end of the connecting shell (2) is provided with a mounting seat (201), the mounting seat (201) and the connecting shell (2) are an integral structure, the inside of the mounting seat (201) is provided with a first fixing hole (202).

3. A large flow combined oil pump for internal combustion engines according to claim 2, characterized in that: The oil pump lower shell (1) and the connecting shell (2) are fixedly connected through the connecting bolts (3), the connecting bolts (3) are provided with four, one end of the connecting bolts (3) penetrates the oil pump lower shell (1) and extends to the inside of the first fixing hole (202) provided in the connecting shell (2).

4. A large flow combined oil pump for internal combustion engines according to claim 3, characterized in that: One end of the rotating shaft (9) is located in the inside of the rotating mounting seat (4), one end of the rotating shaft (9) is provided with a limiting mounting end (901) corresponding to the limiting groove (502).

5. A large flow combined oil pump for internal combustion engines according to claim 4, characterized in that: The inside of one end of the connecting shell (2) is provided with a mounting screw hole one (204), the inside of the mounting shell (11) is provided with a mounting screw hole two (1101) corresponding to the mounting screw hole one (204), the periphery of the mounting screw hole two (1101) is provided with a second fixing hole (1102).

6. A large flow combined oil pump for internal combustion engines according to claim 5, characterized in that: The mounting shell (11) and the connecting shell (2) are fixedly connected through the mounting screws (12), the mounting screws (12) are provided with three, one end of the mounting screws (12) penetrates the mounting screw hole two (1101) and extends to the inside of the mounting screw hole one (204).

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