CN219242273U

CN219242273U - Improved self-lubricating type shielding pump

Info

Publication number: CN219242273U
Application number: CN202320805210.2U
Authority: CN
Inventors: 李金星; 陈其辉; 王震; 李成辉
Original assignee: Zibo Boshan Kehai Machinery Co ltd
Current assignee: Zibo Boshan Kehai Machinery Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-23
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses an improved self-lubricating type shielding pump, which comprises a shielding pump, wherein an outer steel ring is sleeved in the shielding pump, steel balls are sleeved in the outer steel ring in a sliding manner, an oil seal is sleeved in the outer steel ring in a sliding manner, an inner steel ring is sleeved in the oil seal in a sliding manner, a rotating shaft is sleeved in the inner steel ring, stirring blades are fixedly welded on the outer side of the rotating shaft, the rotating shaft and the stirring blades are driven to rotate through rotation of a stator, lubricating grease in an oil groove can be pushed to between the outer steel ring and the inner steel ring by rotation of the stirring blades, so that self lubrication is performed, rotation flexibility of the rotating shaft is improved, lubricating oil can be prevented from flowing outwards by design of the oil seal, surrounding environment is polluted, rotation flexibility of the steel balls is reduced, rotation flexibility of the outer steel ring and the inner steel ring is improved by design of the steel balls, and rotation flexibility of the rotating shaft is improved; the connecting sleeve is sleeved at one end of the rotating shaft, and the screw connecting nut is turned tightly, so that the connecting sleeve is convenient to install and fix.

Description

Improved self-lubricating type shielding pump

Technical Field

The utility model relates to the technical field of shielding pump devices, in particular to an improved self-lubricating shielding pump.

Background

The canned motor pump is a sealless pump, both the pump and the drive motor are sealed in a pressure vessel filled with a pumping medium, which is only statically sealed, and a set of electrical wires provides the rotating magnetic field and drives the rotor.

Currently, the liquid in the existing pump body can flow into the space between the stator assembly and the hollow shaft, and can flow from between the stator assembly and the outer rotor assembly to the outside of the outer rotor assembly, then to the second end of the hollow shaft, back into the pump body through the hollow shaft. The outer rotor assembly and the hollow shaft are soaked in liquid, a large amount of heat can be generated in the operation process of the motor assembly, the liquid can take away the heat generated by the outer rotor assembly and the hollow shaft in the flowing process, and the heat generated by the stator assembly can be taken away due to the heat transfer effect, so that the liquid flows in the motor assembly to effectively dissipate heat of the motor, the heat dissipation efficiency is high, and the normal operation of the shielding pump can be ensured.

A canned motor pump such as disclosed in the grant publication CN216554442U, comprising: a pump assembly comprising a pump body; the motor assembly comprises a shell assembly, a stator assembly, an outer rotor assembly and a hollow shaft, wherein the stator assembly and the outer rotor assembly are arranged in the shell assembly, the pump body is fixed at a first end of the shell assembly, the stator assembly is sleeved on the outer side of the hollow shaft, the first end of the hollow shaft stretches into the pump body, the outer rotor assembly is sleeved on the outer side of the stator assembly, the hollow shaft is fixedly connected with the outer rotor assembly, the pump body is communicated with the shell assembly, the shell assembly is communicated with the hollow shaft, and liquid in the pump body can flow into a space between the stator assembly and the hollow shaft, flow to the outer rotor assembly from the space between the stator assembly and the outer rotor assembly, then flow to a second end of the hollow shaft, and flow back into the pump body through the hollow shaft. However, most of the casing of the canned pump is made of cast iron material and is easy to rust, and the structure of 'the liquid in the pump body can flow into the space between the stator assembly and the hollow shaft' ensures that the stator assembly is not rusted, so that self-lubrication is ensured.

As is known from the solutions disclosed in the above-mentioned prior patent documents, the rotating shaft is inconvenient to self-lubricate, and thus, improvements are required in the prior art.

Disclosure of Invention

The utility model aims to provide an improved self-lubricating type shielding pump so as to solve the problem that a rotating shaft is inconvenient to self-lubricate.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an improved generation self-lubricating formula canned motor pump, includes the canned motor pump, the inside of canned motor pump has cup jointed outer steel ring, the steel ball has been cup jointed in the inside slip of outer steel ring, the oil blanket has been cup jointed in the inside slip of outer steel ring, the inside of oil blanket has cup jointed interior steel ring, the axis of rotation has been cup jointed in the inside of interior steel ring, the outside fixed welding of axis of rotation has stirring leaf, the tip fixedly connected with stator of axis of rotation, the inside of canned motor pump is provided with the oil groove, the adapter sleeve has been cup jointed to the one end of axis of rotation, the outside fixed butt fusion of adapter sleeve has the flabellum, the inside of adapter sleeve has the screw through threaded connection, the gasket has been cup jointed in the outside of screw.

Preferably, the inside of canned motor pump cup joints the stirring leaf, the stirring leaf is cup jointed to the inside of oil groove, rotates through the stator and drives the axis of rotation and stir the leaf rotation, agitates the leaf rotation and can promote the inside lubricating grease of oil groove to between outer steel ring and the interior steel ring to carry out self-lubricating, improve the axis of rotation flexibility.

Preferably, the outside sliding connection steel ball of interior steel ring, the inside of oil groove adds there is lubricating grease, and the design of oil blanket can prevent that lubricating oil from outwards flowing, pollutes surrounding environment, and reduces the steel ball rotation flexibility.

Preferably, one end of the rotating shaft is internally connected with a screw through threads, the inner side surface of the gasket is tightly pressed against the connecting sleeve, and the design of the steel balls can improve the rotation flexibility of the outer steel ring and the inner steel ring, so that the rotation flexibility of the rotating shaft is improved.

Preferably, one end of the screw is connected with a nut through threads, the inner side surface of the nut compresses the gasket, one end of the rotating shaft is sleeved with the connecting sleeve, the screw is turned tightly to connect the nut, and the connecting sleeve is conveniently installed and fixed.

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

1. according to the utility model, the stirring blades are sleeved in the shielding pump, the stirring blades are sleeved in the oil groove, the rotating shaft and the stirring blades are driven to rotate through the rotation of the stator, and the rotation of the stirring blades can push lubricating grease in the oil groove to the position between the outer steel ring and the inner steel ring, so that self-lubrication is performed, and the rotation flexibility of the rotating shaft is improved.

2. According to the utility model, the steel balls are connected to the outer side of the inner steel ring in a sliding manner, lubricating grease is added in the oil groove, the lubricating oil can be prevented from flowing out outwards by the design of the oil seal, the surrounding environment is polluted, and the rotation flexibility of the steel balls is reduced.

3. According to the utility model, one end of the rotating shaft is internally connected with the screw through the screw thread, the inner side surface of the gasket is tightly pressed against the connecting sleeve, and the design of the steel balls can improve the rotation flexibility of the outer steel ring and the inner steel ring, so that the rotation flexibility of the rotating shaft is improved.

4. One end of the screw is connected with the nut through threads, the inner side surface of the nut compresses the gasket, and the connecting sleeve is sleeved with one end of the rotating shaft and is rotated to be screwed with the screw to connect the nut, so that the connecting sleeve is convenient to install and fix.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged cross-sectional view of the utility model at A;

fig. 3 is an enlarged left-hand view of the connecting sleeve of the present utility model.

In the figure: 1 shielding pump, 11 outer steel ring, 12 steel ball, 13 oil seal, 14 inner steel ring, 15 rotation shaft, 16 stirring blade, 17 stator, 18 oil groove, 2 connecting sleeve, 21 fan blade, 22 screw, 23 gasket, 24 nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, an improved self-lubricating type shielding pump in the drawing comprises a shielding pump 1, an outer steel ring 11 is sleeved in the shielding pump 1, a steel ball 12 is sleeved in the outer steel ring 11 in a sliding manner, an oil seal 13 is sleeved in the outer steel ring 11 in a sliding manner, an inner steel ring 14 is sleeved in the oil seal 13 in a sliding manner, a rotating shaft 15 is sleeved in the inner steel ring 14, stirring blades 16 are fixedly welded on the outer side of the rotating shaft 15, a stator 17 is fixedly connected to the end portion of the rotating shaft 15, an oil groove 18 is formed in the shielding pump 1, a connecting sleeve 2 is sleeved at one end of the rotating shaft 15, fan blades 21 are fixedly welded on the outer side of the connecting sleeve 2, the fan blades 21 can be driven to rotate through rotation of the rotating shaft 15, accordingly, air cooling is carried out on the outer surface of the shielding pump 1, the service life of the shielding pump 1 is prolonged, a screw 22 is connected in the inner side of the connecting sleeve 2, and a gasket 23 is sleeved on the outer side of the screw 22.

In order to improve rotation flexibility of the rotation shaft 15, the inside of the canned motor pump 1 is sleeved with the stirring blade 16, the inside of the oil groove 18 is sleeved with the stirring blade 16, the rotation shaft 15 and the stirring blade 16 are driven to rotate through rotation of the stator 17, and the stirring blade 16 can push lubricating grease inside the oil groove 18 to between the outer steel ring 11 and the inner steel ring 14, so that self-lubrication is performed, rotation flexibility of the rotation shaft 15 is improved, the steel balls 12 are slidingly connected to the outer side of the inner steel ring 14, lubricating grease is added inside the oil groove 18, the oil seal 13 is designed to prevent lubricating oil from flowing outwards, pollute the surrounding environment, and reduce rotation flexibility of the steel balls 12.

In this embodiment, the rotation of the stator 17 drives the rotation shaft 15 and the stirring blade 16, the stirring blade 16 rotates to push the grease inside the oil groove 18 between the outer steel ring 11 and the inner steel ring 14, so as to perform self-lubrication, improve the rotation flexibility of the rotation shaft 15, prevent the lubricant from flowing out outwards by the design of the oil seal 13, pollute the surrounding environment, and reduce the rotation flexibility of the steel balls 12.

Example 2

Referring to fig. 1-3, this embodiment further illustrates an embodiment 1, which is an improved self-lubricating type shielding pump in the drawings, including a shielding pump 1, an outer steel ring 11 is sleeved in the shielding pump 1, a steel ball 12 is sleeved in the outer steel ring 11, an oil seal 13 is sleeved in the outer steel ring 11, an inner steel ring 14 is sleeved in the oil seal 13, a rotating shaft 15 is sleeved in the inner steel ring 14, stirring blades 16 are fixedly welded on the outer side of the rotating shaft 15, a stator 17 is fixedly connected to the end portion of the rotating shaft 15, an oil groove 18 is arranged in the shielding pump 1, a connecting sleeve 2 is sleeved at one end of the rotating shaft 15, fan blades 21 are fixedly welded on the outer side of the connecting sleeve 2, a screw 22 is connected in the connecting sleeve 2 through threads, and a gasket 23 is sleeved on the outer side of the screw 22.

In order to facilitate disassembly and assembly of the fan blade 21, one end of the rotating shaft 15 is internally connected with the screw 22 through threads, the inner side surface of the gasket 23 is tightly pressed against the connecting sleeve 2, the design of the steel ball 12 can improve the rotation flexibility of the outer steel ring 11 and the inner steel ring 14, so that the rotation flexibility of the rotating shaft 15 is improved, one end of the screw 22 is connected with the nut 24 through threads, the inner side surface of the nut 24 is tightly pressed against the gasket 23, one end of the rotating shaft 15 is sleeved with the connecting sleeve 2, and the screw 22 is tightly screwed to be connected with the nut 24, so that the connecting sleeve 2 is convenient to install and fix.

In this embodiment, the steel ball 12 can improve the rotation flexibility of the outer steel ring 11 and the inner steel ring 14, thereby improving the rotation flexibility of the rotation shaft 15, and the connection sleeve 2 is sleeved on one end of the rotation shaft 15, and the screw 22 is turned to connect the nut 24, so that the connection sleeve 2 is conveniently installed and fixed.

According to the improved self-lubricating type shielding pump, the rotating shaft 15 and the stirring blades 16 are driven to rotate through the rotation of the stator 17, the stirring blades 16 can drive lubricating grease in the oil groove 18 to be between the outer steel ring 11 and the inner steel ring 14 through rotation, so that self-lubrication is carried out, the rotation flexibility of the rotating shaft 15 is improved, the oil seal 13 is designed to prevent lubricating oil from flowing outwards to pollute the surrounding environment, the rotation flexibility of the steel balls 12 is reduced, the rotation flexibility of the outer steel ring 11 and the inner steel ring 14 can be improved through the design of the steel balls 12, and the rotation flexibility of the rotating shaft 15 is improved; the connecting sleeve 2 is sleeved at one end of the rotating shaft 15, and the screw 22 is turned to connect the nut 24, so that the connecting sleeve 2 is conveniently and fixedly installed.

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

Claims

1. An improved self-lubricating type shielding pump, comprises a shielding pump (1), and is characterized in that: the inside of canned motor pump (1) has cup jointed outer steel ring (11), steel ball (12) have been cup jointed in the inside slip of outer steel ring (11), oil blanket (13) have been cup jointed in the inside slip of outer steel ring (11), the inside slip of oil blanket (13) has cup jointed interior steel ring (14), axis of rotation (15) have been cup jointed in the inside of interior steel ring (14), the outside fixed welding of axis of rotation (15) has stirring leaf (16), the tip fixedly connected with stator (17) of axis of rotation (15), the inside of canned motor pump (1) is provided with oil groove (18), adapter sleeve (2) have been cup jointed to the one end of axis of rotation (15), the outside fixed welding of adapter sleeve (2) has flabellum (21), the inside of adapter sleeve (2) has screw (22) through threaded connection, gasket (23) have been cup jointed in the outside of screw (22).

2. An improved self-lubricating canned motor pump as set forth in claim 1, wherein: the inside of canned motor pump (1) cup joints stirring vane (16), the inside of oil groove (18) cup joints stirring vane (16).

3. An improved self-lubricating canned motor pump as set forth in claim 1, wherein: the outer side of the inner steel ring (14) is connected with the steel ball (12) in a sliding mode, and lubricating grease is added in the oil groove (18).

4. An improved self-lubricating canned motor pump as set forth in claim 1, wherein: one end of the rotating shaft (15) is internally connected with a screw (22) through threads, and the inner side surface of the gasket (23) is pressed against the connecting sleeve (2).

5. An improved self-lubricating canned motor pump as set forth in claim 1, wherein: one end of the screw (22) is connected with a nut (24) through threads, and the inner side surface of the nut (24) compresses a gasket (23).