CN219432044U

CN219432044U - Oil pump with noise reduction structure

Info

Publication number: CN219432044U
Application number: CN202320597898.XU
Authority: CN
Inventors: 朴承国
Original assignee: Kunshan Aisikai Machinery Design Co ltd
Current assignee: Kunshan Aisikai Machinery Design Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-28
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses an oil pump with a noise reduction structure, which comprises an oil pump shell, wherein a sealing plate is arranged on a front surface bolt of the oil pump shell, gear shafts are arranged at the top and the bottom of an inner cavity of the oil pump shell, an infusion gear is fixedly sleeved on the surface of the gear shaft, auxiliary pipes are communicated with the left side and the right side of the oil pump shell, and lubricating oil filling holes are formed in the surfaces of the oil pump shell and the sealing plate. According to the oil filling device, the transmission branch pipe and the three-way pipe are matched for use, so that oil conveyed by the oil storage cylinder can be split-flow and conveyed, oil filling operation is carried out on the joint of the gear shaft and the bearing of the oil pump shell and the joint of the gear shaft and the bearing of the sealing plate, the simultaneous oil filling requirement is met, and the oil filling efficiency is higher; through oil storage section of thick bamboo, leak protection stopper and electric putter cooperation use, can be in the electric putter during operation of stretching out the interior lubricating oil of oil storage section of thick bamboo release, reach the purpose of mechanical oiling, need not manual operation labour saving and time saving.

Description

Oil pump with noise reduction structure

Technical Field

The utility model relates to the technical field of oil pumps, in particular to an oil pump with a noise reduction structure.

Background

The oil pump is a portable and compact pump, which has three major types of in-line type, distribution type and single type, the oil pump can only operate by a power source, a cam shaft at the lower part of the oil pump is driven by a crank shaft gear of an engine, the oil pump can be divided into a rotor type steering oil pump, a double-acting vane type steering oil pump and an external meshing gear type steering oil pump, and the gear type oil pump is characterized in that: the meshing point of the gear separates the left cavity and the right cavity to form a suction cavity and a pressure oil cavity.

The utility model patent of patent application publication number CN213176199U discloses a sound insulation and noise reduction oil pump, which comprises a pump body, oil inlet and oil outlet are respectively arranged at two ends of the pump body, one end of the pump body, which is close to the oil inlet, is rotationally connected with a pump cover, one side of the pump cover is fixedly connected with a sound insulation plug which is matched with the oil inlet, one end, which is close to the oil inlet, of the top of the pump body is penetrated with a sound insulation block, the sound insulation block extends to the inside of the pump body and is connected with a pump body section, one side of the sound insulation block is provided with an oil through hole, one end, which is far away from the oil inlet, of the inner wall of the oil through hole is uniformly provided with a baffle, one side of the baffle is fixedly connected with a sliding block through a sealing spring, and one end of the sliding block is fixedly connected with a sealing plug. This oil pump of making an uproar falls in giving sound insulation has solved current oil pump sound insulation effect relatively poor, and sound insulation structure ages inconvenient change after long-time use, and leak protection measure is single simultaneously, can only carry out the problem of leak protection through pump cover department.

However, the device still has some defects when in actual use, and obviously, the device cannot conveniently and fast perform oiling operation, the bearing is easy to produce noise without oiling and lubrication for a long time, manual operation is needed when oiling operation is performed, the labor intensity of workers is increased, the phenomenon that the oiling speed is uneven and the oiling amount is difficult to control exists, and the practicability of an oil pump is reduced.

Therefore, it is necessary to invent an oil pump with a noise reduction structure to solve the above problems.

Disclosure of Invention

The utility model aims to provide an oil pump with a noise reduction structure, which has the advantage of convenient oil injection, and solves the problems that the equipment cannot be conveniently and rapidly subjected to oil injection operation, the equipment is easy to generate noise due to long-time lubrication without oil injection, the oil injection operation needs to be manually performed, the labor intensity of workers is increased, and the phenomena of uneven oil injection speed and difficult oil injection amount control exist.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an oil pump with structure of making an uproar falls, includes the oil pump casing, the closing plate is installed to the positive surface bolt of oil pump casing, the gear shaft is all installed to the top and the bottom of oil pump casing inner chamber, the fixed surface cover of gear shaft is equipped with infusion gear, the left and right sides of oil pump casing all communicates has the auxiliary pipe, the lubrication oil filler point has all been seted up on the surface of oil pump casing and closing plate, the inner chamber intercommunication of lubrication oil filler point has transmission branch pipe, transmission branch pipe's fixed surface installs the three-way pipe, and the surface mounting who is located the three-way pipe of rear side has the oiling subassembly, the right side fixedly connected with mounting panel of oil pump casing back surface, the rear side bolted connection at mounting panel top has driving motor.

Preferably, the lubricating oil filling hole is positioned at the top of the gear shaft, the two infusion gears are meshed, and a connecting flange is fixedly arranged at one end of the auxiliary pipe, which is far away from the oil pump shell.

Preferably, the oiling subassembly includes the oil storage section of thick bamboo, the inner chamber and the three-way pipe intercommunication of oil storage section of thick bamboo, the back surface fixedly connected with mount of oil storage section of thick bamboo, the electric putter is installed to the back surface bolt of mount, electric putter's output just is located the inner chamber fixedly connected with leak protection stopper of oil storage section of thick bamboo.

Preferably, the surface of the leakage-proof plug is in sliding contact with the inner wall of the oil storage cylinder, the maximum extension length of the electric push rod is larger than the length of the oil storage cylinder, and a sealing cover is sleeved on the top thread on the surface of the oil storage cylinder.

Preferably, the output end of the driving motor is fixedly connected with a coupler, the surface of the coupler is fixedly connected with the joint of the gear shaft, and the insides of the oil pump shell and the sealing plate are fixedly inlaid with wave crest sound absorbing sponge.

Compared with the prior art, the utility model has the following beneficial effects:

1. the oil storage cylinder has the advantages of split transmission through the cooperation of the transmission branch pipe and the three-way pipe, can split transmission of oil transmitted by the oil storage cylinder, and can perform oiling operation on the joint of the gear shaft and the bearing of the oil pump shell and the joint of the gear shaft and the bearing of the sealing plate, so that the simultaneous oiling requirement is met, and the oiling efficiency is higher;

2. according to the utility model, the oil storage cylinder, the leakage-proof plug and the electric push rod are matched for use, so that the mechanical oil injection device has the advantage of mechanical oil injection, and can push out lubricating oil in the oil storage cylinder when the electric push rod stretches out for working, thereby achieving the purpose of mechanical oil injection, and saving time and labor without manual operation.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a partial perspective view of the present utility model;

FIG. 3 is a perspective view of the present utility model in cross-section;

fig. 4 is a perspective view of the oil injection assembly of the present utility model when installed.

In the figure: 1 an oil pump shell, 2 a driving motor, 3 an oiling component, 31 an oil storage cylinder, 32 a leakage prevention plug, 33 a fixing frame, 34 an electric push rod, 4 a transmission branch pipe, 5 a sealing plate, 6 an auxiliary pipe, 7 a transfusion gear, 8 a gear shaft, 9 a lubrication oil injection hole, 10 a mounting plate, 11 a coupling, 12 a three-way pipe and 13 a sealing cover.

Detailed Description

Referring to fig. 1-4, an oil pump with noise reduction structure comprises an oil pump housing 1, a sealing plate 5 is mounted on a front surface bolt of the oil pump housing 1, gear shafts 8 are mounted on the top and bottom of an inner cavity of the oil pump housing 1, an infusion gear 7 is fixedly sleeved on the surface of the gear shafts 8, auxiliary pipes 6 are communicated with the left side and the right side of the oil pump housing 1, lubricating oil filling holes 9 are formed in the surfaces of the oil pump housing 1 and the sealing plate 5, a transmission branch pipe 4 is communicated with the inner cavity of the lubricating oil filling holes 9, a three-way pipe 12 is fixedly mounted on the surface of the transmission branch pipe 4, an oiling component 3 is mounted on the surface of the three-way pipe 12 positioned on the rear side, a mounting plate 10 is fixedly connected to the right side of the back surface of the oil pump housing 1, and a driving motor 2 is connected to the rear side bolt of the top of the mounting plate 10;

the lubricating oil filling hole 9 is positioned at the top of the gear shaft 8, the two infusion gears 7 are meshed, and a connecting flange is fixedly arranged at one end of the auxiliary pipe 6 far away from the oil pump shell 1;

the oiling component 3 comprises an oil storage barrel 31, an inner cavity of the oil storage barrel 31 is communicated with the three-way pipe 12, a fixing frame 33 is fixedly connected to the back surface of the oil storage barrel 31, an electric push rod 34 is mounted on a back surface bolt of the fixing frame 33, and a leakage-proof plug 32 is fixedly connected to an output end of the electric push rod 34 and positioned in the inner cavity of the oil storage barrel 31;

the surface of the leakage-proof plug 32 is in sliding contact with the inner wall of the oil storage barrel 31, the extending maximum length of the electric push rod 34 is larger than the length of the oil storage barrel 31, and the top thread sleeve on the surface of the oil storage barrel 31 is provided with a sealing cover 13;

the output end of the driving motor 2 is fixedly connected with a coupler 11, the surface of the coupler 11 is fixedly connected with the joint of the gear shaft 8, and the interiors of the oil pump shell 1 and the sealing plate 5 are fixedly embedded with wave crest sound absorbing sponge;

by arranging the oil storage cylinder 31, a proper amount of lubricating oil can be stored without repeated addition at intervals, and by arranging the leakage prevention plug 32, the lubricating oil can be in sealed sliding contact with the oil storage cylinder 31, so that the lubricating oil can be continuously pushed out leftwards;

through setting up mount 33, can satisfy electric putter 34 fixed mounting demand, through setting up transmission branch pipe 4 and three-way pipe 12, can communicate oil storage section of thick bamboo 31 and a plurality of lubrication oil filler points 9 to make lubrication fluid get into in a plurality of lubrication oil filler points 9, need not to carry out oiling operation one by one;

through setting up closing plate 5, can seal the protection to oil pump housing 1 front end under the installation state, under the state of dismantling, make things convenient for the staff to inspect oil pump housing 1 internal part, through setting up auxiliary pipe 6, can satisfy fluid entering or fluid discharge demand, through setting up lubrication oil filler point 9, can satisfy lubrication oil to the bearing oiling demand;

through setting up mounting panel 10, can carry out bearing installation with driving motor 2, guarantee driving motor 2 installation stability, through setting up sealed lid 13, can seal the cover to the oil filler of oil storage section of thick bamboo 31 under the installed state, avoid dust impurity to get into in the oil storage section of thick bamboo 31;

the coupling 11 is a device for connecting two shafts or the shafts and a rotating member to rotate together in the process of transmitting motion and power, and is not disconnected under normal conditions, and is sometimes used as a safety device for preventing the connected parts from bearing excessive load so as to play a role of overload protection;

the wave crest sound-absorbing sponge has the functions of sound absorption, sound insulation, buffering, shock absorption, fire prevention, static prevention, heat preservation and the like, is widely applied to generator equipment, a sounding chamber, a packaging inner box and the like, can effectively absorb and reflect sound waves and effectively protect articles in the bag, and enables the absorption and reflection of the sound frequency to form differences through wave crests with different shapes and heights, so that a good sound-absorbing and sound-insulating effect is achieved.

When the oil pump is used, all components are in an initial state, the equipment is electrically connected with the external time controller, the sealing cover 13 is screwed out firstly, a proper amount of lubricating oil is injected into the oil storage cylinder 31, then the interval working time of the electric push rod 34 is set according to actual requirements, in the actual use process, the driving motor 2 is controlled to work, the gear shaft 8 at the top is continuously rotated under the transmission of the coupler 11, the two infusion gears 7 are continuously meshed for transmission, the oil is sucked from the auxiliary pipe 6 at one end and discharged from the auxiliary pipe 6 at the other end, after timing is achieved, the external time controller automatically controls the electric push rod 34 to extend out for working, drives the leakage-proof plug 32 to move forwards slowly, pushes lubricating oil in the oil storage cylinder 31 into the three-way pipe 12, and guides the lubricating oil into the lubricating oil injection hole 9 under the assistance of the transmission branch pipe 4, so that the aim of lubricating the connecting bearing is achieved, noise is avoided due to the self lubrication of the bearing, simultaneously, the oil pump housing 1 and the sponge 5 are embedded in the peak, the noise absorption generated by the operation of the oil pump can be effectively absorbed, and a good noise reduction effect is achieved.

To sum up: this oil pump with structure of making an uproar falls through setting up oiling subassembly 3, transmission branch 4, lubricated oil filler hole 9, mounting panel 10, three-way pipe 12 and sealed lid 13, has solved this equipment and can't carry out the oiling operation convenient, and the bearing does not make equipment produce the noise through oiling lubrication easily for a long time, and need the manual work to operate when carrying out the oiling operation, not only increases staff intensity of labour, and has the uneven, problem that the oiling volume is difficult to control phenomenon of oiling speed.

Claims

1. Oil pump with structure of making an uproar falls, including oil pump housing (1), its characterized in that: the utility model discloses a lubricating oil pump for oil pump shell (1), including oil pump shell (1), sealing plate (5) are installed to the positive surface bolt of oil pump shell (1), gear shaft (8) are all installed to top and the bottom of oil pump shell (1) inner chamber, the fixed surface cover of gear shaft (8) is equipped with infusion gear (7), the left and right sides of oil pump shell (1) all communicates has auxiliary pipe (6), lubricating oil filler point (9) have all been seted up on the surface of oil pump shell (1) and sealing plate (5), the inner chamber intercommunication of lubricating oil filler point (9) has transmission branch pipe (4), the fixed surface of transmission branch pipe (4) installs three-way pipe (12), and the surface mounting who is located three-way pipe (12) of rear side has oiling subassembly (3), the right side fixedly connected with mounting panel (10) of oil pump shell (1) back surface, the rear side bolted connection at mounting panel (10) top has driving motor (2).

2. An oil pump with noise reduction structure according to claim 1, characterized in that: the lubricating oil filling hole (9) is positioned at the top of the gear shaft (8), the two infusion gears (7) are meshed, and a connecting flange is fixedly arranged at one end, far away from the oil pump shell (1), of the auxiliary pipe (6).

3. An oil pump with noise reduction structure according to claim 1, characterized in that: the oiling subassembly (3) is including an oil storage section of thick bamboo (31), the inner chamber and the three-way pipe (12) intercommunication of oil storage section of thick bamboo (31), the back surface fixedly connected with mount (33) of oil storage section of thick bamboo (31), electric putter (34) are installed to the back surface bolt of mount (33), electric putter (34)'s output just is located inner chamber fixedly connected with leak protection stopper (32) of oil storage section of thick bamboo (31).

4. An oil pump with noise reduction structure according to claim 3, characterized in that: the surface of the leakage-proof plug (32) is in sliding contact with the inner wall of the oil storage barrel (31), the extending maximum length of the electric push rod (34) is larger than the length of the oil storage barrel (31), and a sealing cover (13) is sleeved on the top thread on the surface of the oil storage barrel (31).

5. An oil pump with noise reduction structure according to claim 1, characterized in that: the output end of the driving motor (2) is fixedly connected with a coupler (11), the surface of the coupler (11) is fixedly connected with the joint of the gear shaft (8), and the insides of the oil pump shell (1) and the sealing plate (5) are fixedly inlaid with wave crest sound absorbing sponge.