CN215979860U

CN215979860U - Novel manual oil pumping device

Info

Publication number: CN215979860U
Application number: CN202122052549.3U
Authority: CN
Inventors: 刘冠庆; 封素敏; 盛德号; 吴兵舰; 贾翔宇; 薛兵
Original assignee: Auto Sergeant School Of Military Transportation College Of Pla Army
Current assignee: Auto Sergeant School Of Military Transportation College Of Pla Army
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-08
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a novel manual oil pumping device. The device comprises a shell, an inner rotor, an outer rotor, a pump cover and a crank; the inner rotor and the outer rotor are installed in the shell, the pump cover and the crank shaft are installed on the two outer side faces of the shell respectively, the oil outlet pipe and the oil inlet pipe are installed on the upper portion and the lower portion of the outer peripheral face of the shell respectively, the inner rotor is fixed on the crank shaft through keys or pins and drives the outer rotor to rotate in the same direction together, 4 convex teeth are arranged on the inner rotor, and 5 concave teeth are arranged on the outer rotor. The utility model is convenient to carry, needs no electric power, has small volume, gets rid of the site limitation, is driven by manpower, can realize automatic oil pumping by utilizing the siphon principle, saves the manpower and improves the efficiency.

Description

Novel manual oil pumping device

Technical Field

The utility model belongs to the field of mechanical structure design, and particularly relates to a device capable of manually and quickly pumping oil (fuel oil, engine oil and the like).

Background

At present, a known oil pumping device is provided with an oil pumping unit which can be used for pumping automobile fuel oil or engine oil, but the oil pumping unit is driven by a motor, a power supply is required to be provided when the oil pumping unit is used, the oil pumping unit cannot work when vehicles are rush-repaired in the field, and the oil pumping unit is large in size, inconvenient to carry, only suitable for indoor places and limited in use occasions.

In addition, a manual oil pumping device exists, but the conventional oil pumping device has a large volume, can only be driven by manpower, is not driven by the manpower, does not work, consumes overlarge manpower, cannot automatically pump oil, has a fixed oil pumping direction and cannot realize reverse oil pumping.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the device and provide a novel manual oil pumping device.

The utility model relates to a novel manual oil pumping device, which is realized by the following technical scheme: the device comprises a shell, an inner rotor, an outer rotor, a pump cover and a crank; the inner rotor and the outer rotor are installed in the shell, the pump cover and the crank shaft are installed on the two outer side faces of the shell respectively, the oil outlet pipe and the oil inlet pipe are installed on the upper portion and the lower portion of the outer peripheral face of the shell respectively, the inner rotor is fixed on the crank shaft through keys or pins and drives the outer rotor to rotate in the same direction together, 4 convex teeth are arranged on the inner rotor, and 5 concave teeth are arranged on the outer rotor.

When the inner rotor and the outer rotor rotate to any angle, the tooth-shaped contour lines of each tooth of the inner rotor and the outer rotor are contacted with each other, and 4 working cavities are formed between the inner rotor and the outer rotor.

A pump cover switch arranged on the pump cover is connected with an intermediate baffle plate in the pump cover; when the pump cover switch is closed, the middle partition plate separates the oil inlet cavity from the oil outlet cavity, when the pump cover switch rotates to an open state, the partition plate rotates along with the rotation of the pump cover switch, and the oil inlet cavity is directly communicated with the oil outlet cavity.

The utility model has the following beneficial effects:

the device conveniently carries, need not electric power, and is small, breaks away from the place restriction, relies on manpower drive, also can utilize siphon principle to realize automatic oil pumping simultaneously, uses manpower sparingly, raises the efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the device;

FIG. 2 is a side view of the pump body;

FIG. 3 is a schematic diagram of the pump body operation;

fig. 4 is a schematic diagram of a pump cover structure.

Detailed Description

The utility model is further illustrated below with reference to the figures:

as shown in fig. 1-4, the device includes a housing 1, an inner rotor 7, an outer rotor 6, a pump cover 3, and a crank 2; the inner rotor is fixed on the crank shaft by a key or a pin, and the crank shaft is shaken by manpower to drive the inner rotor to rotate. The inner rotor drives the outer rotor to rotate together along the same direction. The inner rotor has 4 convex teeth and the outer rotor has 5 concave teeth, so that the inner and outer rotors rotate in the same direction but not synchronously. The tooth profile of the rotor is designed to ensure that when the rotor rotates to any angle, the tooth profile lines of each tooth of the inner rotor and the outer rotor can always contact with each other, so that 4 working cavities are formed between the inner rotor and the outer rotor.

The volumes of the 4 working chambers change continuously as the rotor rotates. As shown in fig. 3, in the cavity on the side of the oil inlet chamber 5, since the rotor is disengaged, the volume is increased, vacuum is generated, and oil is sucked; the rotor continues to rotate, oil is brought to one side of the oil outlet cavity 8, at the moment, the rotor is meshed, the volume of the cavity is reduced, the oil pressure is increased, and the oil is pressed out through the oil outlet channel. Thus, with the continuous rotation of the rotor, the oil is continuously sucked and pressed out through the oil pipe 4, and the oil pumping is realized. If the crank is rotated reversely, the reverse flow of oil can be realized by using the same principle.

When oil is pumped from a high place to a low place, the siphon principle can be utilized to realize automatic oil pumping. The structure of the pump cover is shown in figure 4, and a pump cover switch arranged on the pump cover is connected with an intermediate partition plate 9 in the pump cover; when the pump cover switch is closed, the middle partition plate separates the oil inlet cavity from the oil outlet cavity, when the pump cover switch rotates to an open state, the partition plate rotates along with the rotation of the pump cover switch, and the oil inlet cavity is directly communicated with the oil outlet cavity.

The automatic oil pumping realization method comprises the following steps: after the oil pipe is connected and placed, the pump cover switch is in a closed state, the crank is manually shaken at the moment, and the oil pumping device can normally pump oil. When an oil outlet pipe has stable oil to flow out, the rotary pump cover is closed to an open state, the intermediate partition plate can be driven to rotate, the oil inlet cavity and the oil outlet cavity are communicated, at the moment, the oil can automatically flow out under the action of a siphon effect, and continuous manpower is not needed for driving.

When the oil pumping device is used, the oil pipe is connected to the oil pipe joint of the pump body, the oil pipe at one end is placed into oil liquid, the oil pipe at the other end is placed into a container, and oil pumping can be achieved by shaking the crank.

The basic structure, principle and operation of the utility model have been shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel manual oil pumping device which characterized by: the device comprises a shell, an inner rotor, an outer rotor, a pump cover and a crank; the inner rotor and the outer rotor are installed in the shell, the pump cover and the crank shaft are installed on the two outer side faces of the shell respectively, the oil outlet pipe and the oil inlet pipe are installed on the upper portion and the lower portion of the outer peripheral face of the shell respectively, the inner rotor is fixed on the crank shaft through keys or pins and drives the outer rotor to rotate in the same direction together, the inner rotor is provided with four convex teeth, and the outer rotor is provided with five concave teeth.

2. The novel manual oil pumping device as claimed in claim 1, characterized in that: when the inner rotor and the outer rotor rotate to any angle, the tooth-shaped contour lines of each tooth of the inner rotor and the outer rotor are contacted with each other, and four working cavities are formed between the inner rotor and the outer rotor.

3. The novel manual oil pumping device as claimed in claim 1, characterized in that: a pump cover switch arranged on the pump cover is connected with an intermediate baffle plate in the pump cover; when the pump cover switch is closed, the middle partition plate separates the oil inlet cavity from the oil outlet cavity, when the pump cover switch rotates to an open state, the partition plate rotates along with the rotation of the pump cover switch, and the oil inlet cavity is directly communicated with the oil outlet cavity.