CN214890406U

CN214890406U - Oil pump with strong stability

Info

Publication number: CN214890406U
Application number: CN202120894511.8U
Authority: CN
Inventors: 陈杰余; 李叶陈
Original assignee: Jiangsu Zhenlu Technology Co ltd
Current assignee: Jiangsu Zhenlu Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-26
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses an oil pump with strong stability, which comprises a pump body, wherein a damping device is fixedly connected to the lower surface of the pump body, the damping device comprises a sleeve, a base, a spring, a support plate, a damping pad, a frame and telescopic rods, two sleeves are fixedly connected to the lower surface of the base, two telescopic rods are fixedly connected to the upper surface of the base, the spring is sleeved outside the two telescopic rods, the support plate is fixedly connected to the upper surface of the telescopic rods, the damping pad is fixedly connected to the upper surface of the support plate, the frame is fixedly connected to the upper surface of the damping pad, the sleeve reinforces the fixation of the damping device, the base provides a supporting function for the spring and the telescopic rods, the damping pad avoids violent vibration between the frame and the support plate, the frame provides a stable environment for the pump body, and the pressure limiting head blocks up the engine oil in the pump body, the display meter is convenient for regulating and controlling the optimal pressure of the pump body, and solves the problems of insufficient oil quantity inside the pump body and abrasion of partial parts.

Description

Oil pump with strong stability

Technical Field

The utility model belongs to the technical field of the oil pump, concretely relates to strong oil pump of stability.

Background

The oil pump can force the engine oil to be sent to the device of the engine moving part from the oil sump in the lubricating system, used for making the pressure of the engine oil raise and guarantee certain oil mass, the part to force the oil supply to every friction surface through the oil drainage lumen, avoid the damage brought because of violent friction among every part, the internal-combustion engine adopts gear type and trochanter type oil pump extensively, the gear type oil pump is simple in construction, it is convenient to process, reliable in operation, have long performance life, the pump oil pressure is high, get the extensive application, the trochanter pump rotor body is complicated, the multi-purpose powder metallurgy is pressed, this kind of pump has the same advantage of the gear pump, but compact in construction, small, the application on the internal-combustion engine is more and more, the oil pump is applied to the automotive industry, has lengthened the service life of the car effectively.

In the prior art, when an engine works, a driving gear on a cam shaft drives a transmission gear of an oil pump to rotate a driving gear fixed on a driving gear shaft, thereby driving the driven gear to rotate in the opposite direction, sending the engine oil from the oil inlet cavity to the oil outlet cavity along the tooth clearance and the pump wall, thereby forming low pressure at the oil inlet cavity to generate suction force to suck the engine oil in the oil bottom shell into the oil cavity, because the driving gear and the driven gear rotate continuously, the engine oil is continuously pressed to the required position, when the automobile runs on a bumpy road, the oil in the oil inlet cavity can not be sent to the pump body due to the shaking of the pump body, so that the oil quantity in the pump body is insufficient, the oil quantity among parts is insufficient due to the fact that the pressure of the pressure limiting device can not be measured and can not be adjusted to the optimal pressure value, therefore, the problems of insufficient oil quantity in the pump body and abrasion of parts are caused, and therefore the oil pump with high stability is provided.

Disclosure of Invention

The utility model aims to provide an oil pump with strong stability, when the engine works, the driving gear on the cam shaft drives the transmission gear of the oil pump, so that the driving gear fixed on the driving gear shaft rotates, thereby driving the driven gear to rotate in the opposite direction, the engine oil is sent to the oil outlet cavity from the oil inlet cavity along the tooth gap and the pump wall, and then the oil inlet cavity forms low pressure to generate suction force, the engine oil in the oil pan is sucked into the oil cavity, because the driving gear and the driven gear rotate continuously, the engine oil is continuously pressed and sent to the required position, when the road is bumpy, the engine oil in the oil inlet cavity can not be sent to the pump body due to the shaking of the pump body, the internal oil quantity of the pump body is insufficient, the pressure of the pressure limiting device can not be measured, the optimal pressure value can not be debugged, and the oil quantity among partial parts is insufficient, thereby causing the problems of insufficient oil quantity in the pump body and abrasion of partial parts.

In order to achieve the above object, the utility model provides a following technical scheme: an oil pump with strong stability comprises a pump body, wherein a damping device is fixedly connected to the lower surface of the pump body, a shell is fixedly connected to the lower surface of the damping device, a fixed shaft is fixedly connected to the inside of the pump body, a driven gear is movably connected to the outside of the fixed shaft, a driving gear is connected to one side of the driven gear in a rolling manner, a driving shaft is fixedly connected to the inside of the driving gear, a pressure limiting device is fixedly connected to the upper surface of the pump body, a pump cover is fixedly connected to one side of the pump body, an oil inlet pipe is fixedly connected to one side of the pump cover, an oil outlet pipe is arranged on the lower surface of the oil inlet pipe, the damping device comprises a sleeve, a base, a spring, a supporting plate, a damping pad, a frame and telescopic rods, two sleeves are fixedly connected to the lower surface of the base, and two telescopic rods are fixedly connected to the upper surface of the base, two the spring has all been cup jointed to the outside of telescopic link, the last fixed surface of telescopic link is connected with the backup pad, the last fixed surface of backup pad is connected with the shock pad, the last fixed surface of shock pad is connected with the frame.

Preferably, the pressure limiting device comprises a detector, a pressure limiting choke plug, a display meter, a shell, an oil outlet, a baffle and a hydraulic main body, wherein the detector is arranged inside the shell, the upper surface of the detector is fixedly connected with the pressure limiting choke plug, the upper surface of the pressure limiting choke plug is fixedly connected with the hydraulic main body, the upper surface of the hydraulic main body is fixedly connected with the baffle, the upper surface of the shell is fixedly connected with the oil outlet, and one side of the shell is fixedly connected with the display meter.

Preferably, the sleeve is connected with the shell through screws, the sleeve is connected with the base through welding, and the frame is connected with the pump body through clamping.

Preferably, the detector and the pressure limiting choke plug are connected through welding, and the hydraulic main body and the baffle are connected through screws.

Preferably, the diameter of the oil outlet pipe is one fourth of the diameter of the pump cover, and the diameters of the driving gear and the driven gear are equal in size.

Preferably, the length of the detector is one third of the length of the pressure-limiting bulkhead, and the height of the housing is one quarter of the height of the pump body.

Preferably, the diameter of the telescopic rod is one half of the diameter of the spring, and the diameters of the oil inlet pipe and the oil outlet pipe are equal.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the designed sleeve, base, spring, supporting plate, shock-absorbing pad, frame and telescopic rod, firstly, when the automobile runs, the engine oil in the pump body shakes to transmit the pressure to the frame, the frame compresses the shock absorption pad and the supporting plate, the supporting plate compresses the spring and the telescopic rod, the spring compresses the base, the base provides the supporting force for the spring, the floating of the engine oil in the pump body becomes small, drive driven gear through the driving gear and make oil feed chamber pressure diminish, carry the pump body inside with the inside machine oil of oil tank by advancing oil pipe, the oil pocket is seen off through the intertooth space to the machine oil in the pump body, transport each friction position, the sleeve is strengthened fixing damping device, the base provides the supporting role for spring and telescopic link, the shock pad has avoided the violent vibrations between frame and the backup pad, the frame provides stable environment for the pump body, the problem that the inside oil mass of the pump body is not enough has been solved.

2. Through the designed detector, the pressure limiting choke plug, the display meter, the shell, the oil outlet, the baffle and the hydraulic main body, firstly, when the automobile runs, the driving gear drives the driven gear to reduce the pressure of the oil inlet cavity, the oil in the oil tank is conveyed to the interior of the pump body by the oil inlet pipe, the oil in the pump body is sent out of the oil cavity through the tooth space, the pressure in the oil outlet cavity is increased through the rotation of the driving gear and the driven gear, the pressure intensity is detected through the detector, the pressure limiting choke plug is displayed through the display meter, the oil in the pump body extrudes the pressure limiting choke plug, the pressure limiting choke plug drives the hydraulic main body to move, redundant oil is discharged into the oil shell through the oil outlet, the waste of the oil is effectively avoided, the friction of each friction part is also solved, the pressure in the pump body is better detected by the detector, the oil in the pump body is blocked by the pressure limiting choke plug, and the display meter is convenient for the optimal pressure regulation and control of the pump body, the friction of part parts due to the fact that engine oil cannot reach is avoided, the baffle plate provides a supporting effect for the hydraulic main body, and the problem of abrasion of part parts is solved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure view of the damping device of the present invention;

fig. 3 is a schematic cross-sectional view of the pressure limiting device of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a housing; 2. a damping device; 3. a pump body; 4. an oil outlet pipe; 5. an oil inlet pipe; 6. a pump cover; 7. a pressure limiting device; 8. a driven gear; 9. a fixed shaft; 10. a driving gear; 11. a drive shaft; 12. a sleeve; 13. a base; 14. a spring; 15. a support plate; 16. a shock pad; 17. a frame; 18. a telescopic rod; 19. a detector; 20. a pressure limiting choke plug; 21. displaying the table; 22. a housing; 23. an oil outlet; 24. a baffle plate; 25. a hydraulic body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an oil pump with strong stability comprises a pump body 3, a damping device 2 is fixedly connected to the lower surface of the pump body 3, a shell 1 is fixedly connected to the lower surface of the damping device 2, a fixed shaft 9 is fixedly connected to the inside of the pump body 3, a driven gear 8 is movably connected to the outside of the fixed shaft 9, a driving gear 10 is connected to one side of the driven gear 8 in a rolling manner, a driving shaft 11 is fixedly connected to the inside of the driving gear 10, a pressure limiting device 7 is fixedly connected to the upper surface of the pump body 3, a pump cover 6 is fixedly connected to one side of the pump cover 6, an oil inlet pipe 5 is fixedly connected to one side of the pump cover 6, an oil outlet pipe 4 is arranged on the lower surface of the oil inlet pipe 5, the damping device 2 comprises a sleeve 12, a base 13, a spring 14, a support plate 15, a damping pad 16, a frame 17 and telescopic rods 18, two sleeves 12 are fixedly connected to the lower surface of the base 13, and two telescopic rods 18 are fixedly connected to the upper surface of the base 13, spring 14 has all been cup jointed to the outside of two telescopic links 18, and the last fixed surface of telescopic link 18 is connected with backup pad 15, and the last fixed surface of backup pad 15 is connected with shock pad 16, and the last fixed surface of shock pad 16 is connected with frame 17.

In this embodiment, first, when the automobile is running, the engine oil in the pump body 3 rocks to transmit the pressure to the frame 17, the frame 17 compresses the cushion 16 and the support plate 15, the support plate 15 compresses the spring 14 and the telescopic rod 18, the spring 14 compresses the base 13 again, the base 13 supports the spring 14, the floating of the engine oil in the pump body 3 becomes small, drive driven gear 8 through driving gear 10 and make oil feed chamber pressure diminish, carry the inside machine oil of oil tank inside the pump body 3 by advancing oil pipe 5, the machine oil in the pump body 3 is seen off the oil pocket through the intertooth space, each friction position is transported, sleeve 12 consolidates the fixed to damping device 2, base 13 provides the supporting role for spring 14 and telescopic link 18, cushion 16 has avoided the violent vibrations between frame 17 and the backup pad 15, frame 17 provides stable environment for the pump body 3, the problem of the inside not enough oil mass of the pump body 3 has been solved.

Specifically, the pressure limiting device 7 includes a detector 19, a pressure limiting bulkhead 20, a display meter 21, a casing 22, an oil outlet 23, a baffle 24 and a hydraulic main body 25, the detector 19 is arranged inside the casing 22, the pressure limiting bulkhead 20 is fixedly connected to the upper surface of the detector 19, the hydraulic main body 25 is fixedly connected to the upper surface of the pressure limiting bulkhead 20, the baffle 24 is fixedly connected to the upper surface of the hydraulic main body 25, the oil outlet 23 is fixedly connected to the upper surface of the casing 22, and the display meter 21 is fixedly connected to one side of the casing 22.

In the embodiment, firstly, when the automobile runs, the driving gear 10 drives the driven gear 8 to reduce the pressure of the oil inlet cavity, the oil in the oil tank is conveyed into the pump body 3 through the oil inlet pipe 5, the oil in the pump body 3 is sent out of the oil cavity through the tooth spaces, the pressure in the oil outlet cavity is increased through the rotation of the driving gear 10 and the driven gear 8, the pressure intensity is detected through the detector 19, the pressure intensity is displayed through the display meter 21, the oil in the pump body 3 extrudes the pressure limiting bulkhead 20, the pressure limiting bulkhead 20 drives the hydraulic main body 25 to move, the redundant oil is discharged into the oil shell through the oil outlet 23, the waste of the oil is effectively avoided, the friction of each friction part is also solved, the detector 19 better detects the pressure in the pump body 3, the pressure limiting bulkhead 20 blocks the oil in the pump body 3, the display meter 21 is convenient for the optimal pressure regulation and control of the pump body 3, avoid some parts to be out of reach because of the machine oil.

Specifically, the sleeve 12 is connected with the housing 22 through screws, the sleeve 12 is connected with the base 13 through welding, and the frame 17 is connected with the pump body 3 through clamping.

In this embodiment, the sleeve 12 and the housing 22 are connected by screws, so that the sleeve 12 and the housing 22 can be conveniently detached, the sleeve 12 and the base 13 are connected by welding, so that the base 13 is more stable, and the frame 17 and the pump body 3 are connected by clamping, so that the pump body 3 can be conveniently detached and maintained.

Specifically, the detector 19 and the pressure limiting bulkhead 20 are connected by welding, and the hydraulic body 25 and the baffle 24 are connected by screws.

In this embodiment, the detector 19 and the pressure limiting bulkhead 20 are connected by welding, so that the detector 19 is fixed more firmly, and the hydraulic main body 25 and the baffle plate 24 are connected by screws, thereby facilitating the disassembly and replacement of the hydraulic main body 25.

Specifically, the diameter of the oil outlet pipe 4 is one fourth of the diameter of the pump cover 6, and the diameters of the driving gear 10 and the driven gear 8 are equal in size.

In this embodiment, the diameter of the oil outlet pipe 4 is one fourth of the diameter of the pump cover 6, so that the opening of the pump cover 6 is prevented from being cracked, and the diameters of the driving gear 10 and the driven gear 8 are equal in size, so that the pressure inside the pump body 3 is controlled.

In particular, the length of the detector 19 is one third of the length of the pressure-limiting bulkhead 20, and the height of the casing 22 is one quarter of the height of the pump body 3.

In this embodiment, the length of the detector 19 is one third of the length of the pressure limiting bulkhead 20, so that the detector 19 can detect the pressure inside the pump body 3 conveniently, and the height of the shell 22 is one fourth of the height of the pump body 3, so that the pump body 3 has enough space to transport the engine oil to each part.

Specifically, the diameter of the telescopic rod 18 is one half of the diameter of the spring 14, and the diameters of the oil inlet pipe 5 and the oil outlet pipe 4 are equal.

In this embodiment, the diameter of the telescopic rod 18 is one half of the diameter of the spring 14, so that the spring 14 supports the pressure of the pump body 3, and the diameters of the oil inlet pipe 5 and the oil outlet pipe 4 are equal, thereby facilitating the circulation of engine oil in the oil tank.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a strong oil pump of stability, includes pump body (3), its characterized in that: the utility model discloses a pump, including the pump body, the lower fixed surface of the pump body (3) is connected with damping device (2), the lower fixed surface of damping device (2) is connected with shell (1), the inside fixedly connected with fixed axle (9) of the pump body (3), the outside swing joint of fixed axle (9) has driven gear (8), one side roll connection of driven gear (8) has driving gear (10), the inside fixedly connected with driving shaft (11) of driving gear (10), the last fixed surface of the pump body (3) is connected with pressure limiting device (7), one side fixedly connected with pump cover (6) of the pump body (3), one side fixedly connected with of pump cover (6) advances oil pipe (5), the lower surface that advances oil pipe (5) is provided with out oil pipe (4), damping device (2) include sleeve (12), base (13), spring (14), Backup pad (15), shock pad (16), frame (17) and telescopic link (18), two sleeves (12) of the lower fixed surface of base (13) are connected with, two telescopic links (18), two of the last fixed surface of base (13) the outside of telescopic link (18) has all been cup jointed spring (14), the last fixed surface of telescopic link (18) is connected with backup pad (15), the last fixed surface of backup pad (15) is connected with shock pad (16), the last fixed surface of shock pad (16) is connected with frame (17).

2. The oil pump with strong stability according to claim 1, characterized in that: the pressure limiting device (7) comprises a detector (19), a pressure limiting choke plug (20), a display meter (21), a shell (22), an oil outlet (23), a baffle (24) and a hydraulic main body (25), wherein the detector (19) is arranged inside the shell (22), the upper surface of the detector (19) is fixedly connected with the pressure limiting choke plug (20), the upper surface of the pressure limiting choke plug (20) is fixedly connected with the hydraulic main body (25), the upper surface of the hydraulic main body (25) is fixedly connected with the baffle (24), the upper surface of the shell (22) is fixedly connected with the oil outlet (23), and the display meter (21) is fixedly connected to one side of the shell (22).

3. The oil pump with strong stability according to claim 1, characterized in that: the sleeve (12) is connected with the shell (22) through screws, the sleeve (12) is connected with the base (13) through welding, and the frame (17) is connected with the pump body (3) through clamping.

4. The oil pump with strong stability according to claim 2, characterized in that: the detector (19) is connected with the pressure limiting choke plug (20) through welding, and the hydraulic main body (25) is connected with the baffle (24) through screws.

5. The oil pump with strong stability according to claim 1, characterized in that: the diameter of the oil outlet pipe (4) is one fourth of the diameter of the pump cover (6), and the diameters of the driving gear (10) and the driven gear (8) are equal in size.

6. The oil pump with strong stability according to claim 2, characterized in that: the length of the detector (19) is one third of the length of the pressure limiting bulkhead (20), and the height of the shell (22) is one fourth of the height of the pump body (3).

7. The oil pump with strong stability according to claim 1, characterized in that: the diameter of the telescopic rod (18) is one half of that of the spring (14), and the diameters of the oil inlet pipe (5) and the oil outlet pipe (4) are equal.