Multi-stage centrifugal oil pump with sealing mechanism

By introducing an adjustable specification interface and a slide groove and slide buckle structure into the centrifugal oil pump, the problem of cumbersome interface replacement in the existing technology is solved, rapid replacement and efficient sealing are achieved, and the adaptability and stability of the equipment are improved.

CN223482902UActive Publication Date: 2025-10-28DONGGUAN JIUREN MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202423255434.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-10-28
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

Existing centrifugal oil pumps require a long shutdown time when replacing interfaces, and are unable to adapt to the interface specifications of different containers, resulting in cumbersome operations and low efficiency.

Method used

A multi-stage centrifugal oil pump with a sealing mechanism is designed. It adopts an adjustable first-specification interface and a slide groove and slide buckle structure to achieve quick replacement and fixation, and combines heat dissipation and sealing design to improve operational stability and efficiency.

Benefits of technology

It enables quick replacement of interfaces, reduces downtime, improves the adaptability and sealing of the equipment, simplifies operating steps, and reduces the difficulty of equipment maintenance and the risk of downtime.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of centrifugal oil pumps, and discloses a multistage centrifugal oil pump with a sealing mechanism, which comprises a driving motor body, and a centrifugal channel body is mounted at the bottom of the driving motor body. According to the multi-stage centrifugal oil pump with the sealing mechanism, a user can replace the first-specification connector with the specification capable of being in butt joint with the oil pipe connector, equipment can be in butt joint with connectors of various specifications by replacing the first-specification connector, and the situation that the equipment or an oil pipe needs to be replaced due to different specifications of the oil pipe connectors is reduced; when the equipment needs to carry out oil transportation on two containers or equipment with different specifications, the first specification interfaces on the two sides of the equipment can be replaced by corresponding specifications, and when the first specification interfaces are dirty or damaged after working for a long time, the positions of the first oil transportation port and the first specification interfaces are released, so that the oil transportation efficiency is improved. A user can disassemble the first specification interface for replacement or cleaning.
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Description

Technical Field

[0001] This utility model relates to the field of centrifugal oil pump technology, and in particular to a multi-stage centrifugal oil pump with a sealing mechanism. Background Technology

[0002] The main flow-through components of a centrifugal oil pump include the suction chamber, impeller, and discharge chamber. It is used to transport petroleum products such as gasoline, kerosene, diesel, and aviation kerosene. With a medium temperature range of -20℃ to +80℃, it is an excellent marine loading and unloading oil pump. It is also suitable for oil transportation in land-based oil depots, tank trucks, and other oil storage facilities.

[0003] Chinese patent discloses a multi-stage centrifugal oil pump with a sealing mechanism (authorization announcement number CN216044472U). This patented technology has a connecting mechanism fixedly connected to the upper surface of the worktable near the drive mechanism. An oil pump assembly is set on the right side of the upper surface of the worktable, and a pump shaft is set in the middle of the inner cavity of the oil pump assembly. Through the above technical solution, the problem of poor sealing performance between the long guide vanes of the existing centrifugal oil pump after use, which affects the performance of the oil pump, is solved.

[0004] Regarding the above and existing related technologies, the inventors believe that the following defects often exist: In the existing technology, when connecting different containers for oil transfer, it is necessary to change the docking interface or the container. If it is necessary to replace the parts, the operation steps are relatively cumbersome and require professional tools and models for disassembly, which leads to a long downtime for replacing equipment parts and reduces the efficiency of oil transfer. Utility Model Content

[0005] The technical problem to be solved by this utility model is that the existing technology has the disadvantage that the oil delivery interface cannot be matched with different specifications of interface, which causes users to need to stop the machine for a long time when changing the interface. To this end, we propose a multi-stage centrifugal oil pump with a sealing mechanism.

[0006] To achieve the above objectives, this application adopts the following technical solution: a multi-stage centrifugal oil pump with a sealing mechanism, including a drive motor body, a centrifugal channel body installed at the bottom of the drive motor body, an oil delivery base body installed at the bottom of the centrifugal channel body, a first oil delivery port fixedly connected to both sides of the oil delivery base body, a first clamping block rotatably connected to both sides of the first oil delivery port via a rotating shaft, a first specification interface installed on one side of the first oil delivery port, and one end of the first clamping block being inserted into the inner wall of the first specification interface.

[0007] Preferably, a first sliding groove is provided on both sides of the first oil inlet, and a first sliding buckle is slidably connected to the inner wall of the first sliding groove.

[0008] Preferably, a first slide rod is installed inside the first slide groove. One end of the first slide rod passes through one side of the first slide buckle and is fixedly connected to one side of the inner wall of the first slide groove, and the other end of the first slide rod is fixedly connected to one side of the inner wall of the first slide groove.

[0009] Preferably, a first spring is fixedly connected to one side of the first sliding buckle, and the other end of the first spring is fixedly connected to one side of the inner wall of the first sliding groove.

[0010] Preferably, a sealing gasket is installed on one side of the first oil inlet.

[0011] Preferably, the drive motor body has a first row of heat sinks inside, a first heat sink is installed at the top of the drive motor body, and a first fan is installed inside the drive motor body.

[0012] Preferably, a first dust-blocking shell is installed on the top of the drive motor body.

[0013] Technical effects and advantages of this utility model:

[0014] In this invention, the user can replace the first specification interface with a first specification interface of the same specification as the oil pipe interface. By changing the first specification interface, the equipment can be connected to interfaces of various specifications, reducing the need to replace the equipment or oil pipe due to different oil pipe interface specifications. When the equipment needs to transport oil to two containers or equipment of different specifications, the first specification interfaces on both sides of the equipment can be replaced with the corresponding specifications. Furthermore, when the first specification interface becomes dirty or damaged after long-term operation, the position of the first oil inlet and the first specification interface can be released, allowing the user to disassemble the first specification interface for replacement or cleaning. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a vertical cross-sectional view of the present invention;

[0017] Figure 3 This is an exploded view of the internal structure of the first row of heat channels of this utility model;

[0018] Figure 4 This is a side view of the first oil inlet of the present invention;

[0019] Figure 5 This is the first exploded view of the oil transportation system of this utility model.

[0020] Legend: 1. Drive motor body; 2. Centrifugal channel body; 3. Oil supply base body; 4. First oil supply port; 5. First clamping block; 6. First specification interface; 7. First slide groove; 8. First sliding buckle; 9. First slide rod; 10. First spring; 11. Sealing gasket; 12. First heat dissipation groove; 13. First heat sink; 14. First fan; 15. First dust baffle. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0022] Reference Figure 1 - Figure 5 As shown, this utility model provides a technical solution: a multi-stage centrifugal oil pump with a sealing mechanism, including a drive motor body 1, a centrifugal channel body 2 installed at the bottom of the drive motor body 1, an oil delivery base body 3 installed at the bottom of the centrifugal channel body 2, first oil delivery ports 4 fixedly connected to both sides of the oil delivery base body 3, first clamping blocks 5 rotatably connected to both sides of the first oil delivery ports 4 via a rotating shaft, a first specification interface 6 installed on one side of the first oil delivery port 4, and one end of the first clamping block 5 inserted into the inner wall of the first specification interface 6. When the user starts the equipment to deliver oil, the first clamping blocks 5 on both sides of the first oil delivery port 4 can be unfolded via the rotating shaft according to the specification of the oil pipe connector. The first specification interface 6 can be replaced with a first specification interface 6 that can be connected to the oil pipe interface. By replacing the first specification interface 6, the equipment can be connected to interfaces of various specifications, reducing the need to replace the equipment or oil pipe due to different oil pipe interface specifications. When the equipment needs to transfer oil to two containers or equipment of different specifications, the first specification interfaces 6 on both sides of the equipment can be replaced with the corresponding specifications. Furthermore, if the first specification interface 6 becomes dirty or is damaged after long-term operation, the user can unfold the first clamp 5 to both sides to release the position fixation between the first oil inlet 4 and the first specification interface 6, allowing the user to disassemble the first specification interface 6 for replacement or cleaning.

[0023] Reference Figure 4 and Figure 5As shown in this embodiment: First sliding grooves 7 are provided on both sides of the first oil inlet 4. A first sliding buckle 8 is slidably connected to the inner wall of the first sliding groove 7. When the user moves the first sliding buckle 8 along the inner wall of the first sliding groove 7, the inner wall of the first sliding buckle 8 restricts the first clamping block 5, preventing it from unfolding to the sides, thus making the connection between the first specification interface 6 and the first oil inlet 4 more secure. A first sliding rod 9 is installed inside the first sliding groove 7. One end of the first sliding rod 9 passes through one side of the first sliding buckle 8 and is fixedly connected to one side of the inner wall of the first sliding groove 7. The other end of the first sliding rod 9 is fixedly connected to one side of the inner wall of the first sliding groove 7. When the user moves the first sliding buckle 8 across its surface, the movement trajectory of the first sliding buckle 8 becomes more stable, improving the stability of the equipment during operation. A first sliding buckle 8 is fixedly connected to one side of the first sliding buckle 8. Spring 10, the other end of the first spring 10 is fixedly connected to one side of the inner wall of the first slide groove 7. When the user moves the first sliding buckle 8 to the inner wall of the first slide groove 7, the first sliding buckle 8 squeezes the first spring 10, causing the first spring 10 to store and compress. When the user needs the first sliding buckle 8 to return to its original position, the first sliding buckle 8 is released, causing the first spring 10 to release and rebound, pushing the first sliding buckle 8 back to its original position. The first spring 10 allows the first sliding buckle 8 to have an automatic reset function, making it easier for the user to operate the equipment. A sealing gasket 11 is installed on one side of the first oil inlet 4. When the user connects the first oil inlet 4 to the first specification interface 6, the sealing gasket 11 will block the gap after the connection between the first oil inlet 4 and the first specification interface 6, improving the sealing performance of the first oil inlet 4 when supplying oil and reducing the occurrence of oil leakage due to excessive flow.

[0024] Reference Figure 3 As shown in this embodiment: the drive motor body 1 has a first row of heat sinks 12 inside, a first heat sink 13 is installed at the top inside the drive motor body 1, and a first fan 14 is installed inside the drive motor body 1. When the user starts the device, the heat released by the drive motor body 1 is dissipated inside the first row of heat sinks 12. At this time, the first fan 14 starts and dissipates the heat inside the first row of heat sinks 12 through the first heat sink 13. The heat dissipation of the first row of heat sinks 12 by the first fan 14 ensures the stability of the drive motor body 1 during operation and reduces the possibility of the drive motor body 1 overheating due to prolonged operation, causing internal circuit short circuits or melting and resulting in device shutdown. A first dust baffle 15 is installed on the top of the drive motor body 1. When the device is started, the first dust baffle 15 can block impurities in the air on the surface, reducing the accumulation of dust or impurities on the surface of the first fan 14 and the first heat sink 13 when the device is not in use. The first dust baffle 15 reduces the difficulty for the user to clean the device.

[0025] Working principle:

[0026] Step 1: The user prepares the equipment to start oil delivery. According to the specifications of the oil pipe connector, the user unfolds the first clamps 5 on both sides of the first oil port 4 through the rotating shaft, and then replaces the first specification interface 6 to match the specifications of the oil pipe interface. When it is necessary to deliver oil to two containers or equipment of different specifications, it is only necessary to replace the first specification interfaces 6 on both sides of the equipment with the corresponding specifications. If the first specification interface 6 is dirty or damaged due to long-term use, the user can unfold the first clamps 5 to release the fixation between the first oil port 4 and the first specification interface 6, so as to easily disassemble and replace or clean the first specification interface 6.

[0027] Step two: The user first moves the first sliding buckle 8 along the inner wall of the first sliding groove 7. This restricts the unfolding of the first clamping block 5, ensuring a firm connection between the first specification interface 6 and the first oil inlet 4. During the movement of the first sliding buckle 8, the stability of its surface movement trajectory improves the stability of the equipment operation. When the first sliding buckle 8 moves, it will squeeze the first spring 10, causing it to store and compress. When the first sliding buckle 8 needs to return to its original position, the first spring 10 will release and rebound after the first sliding buckle 8 is released, automatically pushing the first sliding buckle 8 back to its original position, realizing the automatic reset function and simplifying the operation steps. After the first oil inlet 4 and the first specification interface 6 are connected, the sealing gasket 11 will block the gap between them, enhancing the sealing during oil delivery and reducing oil leakage caused by excessive flow.

[0028] Step 3: When the user starts the device, the heat released by the drive motor body 1 is dissipated inside the first row of heat sinks 12. At this time, the first fan 14 starts and exhausts the heat inside the first row of heat sinks 12 through the first heat sink 13. The first fan 14 exhausts the heat inside the first row of heat sinks 12, ensuring the stability of the drive motor body 1 during operation and reducing the possibility of the drive motor body 1 overheating due to prolonged operation, causing internal circuit short circuits or melting, resulting in device shutdown. The first dust cover 15 can block impurities in the air on the surface, reducing the accumulation of dust or impurities on the surface of the first fan 14 and the first heat sink 13 when the device is not in use. The first dust cover 15 reduces the difficulty for the user to clean the device.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-stage centrifugal oil pump with a sealing mechanism, comprising a drive motor body (1), characterized in that: The bottom of the drive motor body (1) is equipped with a centrifugal channel body (2), and the bottom of the centrifugal channel body (2) is equipped with an oil supply base body (3). The two sides of the oil supply base body (3) are fixedly connected with a first oil supply port (4). The two sides of the first oil supply port (4) are rotatably connected with a first clamping block (5) through a rotating shaft. A first specification interface (6) is installed on one side of the first oil supply port (4). One end of the first clamping block (5) is inserted into the inner wall of the first specification interface (6).

2. A multi-stage centrifugal oil pump with a sealing mechanism according to claim 1, characterized in that: The first oil inlet (4) has a first groove (7) on both sides, and the inner wall of the first groove (7) is slidably connected with a first sliding buckle (8).

3. A multi-stage centrifugal oil pump with a sealing mechanism according to claim 2, characterized in that: The first slide rail (9) is installed inside the first slide groove (7). One end of the first slide rail (9) passes through one side of the first slide buckle (8) and is fixedly connected to one side of the inner wall of the first slide groove (7). The other end of the first slide rail (9) is fixedly connected to one side of the inner wall of the first slide groove (7).

4. A multi-stage centrifugal oil pump with a sealing mechanism according to claim 3, characterized in that: A first spring (10) is fixedly connected to one side of the first sliding buckle (8), and the other end of the first spring (10) is fixedly connected to one side of the inner wall of the first sliding groove (7).

5. A multi-stage centrifugal oil pump with a sealing mechanism according to claim 1, characterized in that: A sealing gasket (11) is installed on one side of the first oil inlet (4).

6. A multi-stage centrifugal oil pump with a sealing mechanism according to claim 1, characterized in that: The drive motor body (1) has a first row of heat sinks (12) inside, a first heat sink (13) is installed at the top inside the drive motor body (1), and a first fan (14) is installed inside the drive motor body (1).

7. A multi-stage centrifugal oil pump with a sealing mechanism according to claim 1, characterized in that: The top of the drive motor body (1) is equipped with a first dust-blocking shell (15).