Magnetically-driven refrigerant fluorine pump

Abstract

The invention discloses a magnetically-driven refrigerant fluorine pump. The magnetically-driven refrigerant fluorine pump comprises a motor, an impeller is rotationally connected in the pump body; a connecting frame is assembled between the pump body and the motor, a partition plate and an isolation sleeve are arranged between the connecting frame and the pump body, the partition plate and the isolation sleeve are matched to form a cavity, the impeller is rotationally connected to the partition plate and the isolation sleeve through a pump shaft, an output shaft of the motor is connected with a driving part, and a driven part located in the cavity is arranged on the pump shaft. The motor drives the driving part to rotate, so that the driving part drives the driven part and the impeller to rotate synchronously through magnetic force. The structure of the whole pump is small and exquisite, the requirements for installation of a small refrigerating system and conveying of refrigerant media can be met, and the practicability and reliability of the pump are greatly improved.

Description

Technical Field

[0001] The invention relates to a magnetically driven refrigerant fluorine pump. Background Art

[0002] In new energy or data centers, it is necessary to transport easily vaporized media, such as Freon or other refrigerant media. Refrigerants are easily vaporized, and when pumping liquids, they need to be fully sealed and leak-proof; at the same time, no metal powder can fall into the medium during the process to avoid affecting the operation of the refrigeration system.

[0003] In refrigeration systems, a structure in which the motor and pump are separated is generally used to transport the refrigerant. However, this structure is large in size, cannot meet the installation requirements of a miniaturized refrigeration system, and has poor practicality. Summary of the invention

[0004] The purpose of the present invention is to provide a technical solution for a magnetically driven refrigerant fluorine pump to address the deficiencies in the prior art, which can not only make the structure of the entire pump compact, but also meet the installation requirements of a miniaturized refrigeration system and the transportation requirements of the refrigerant, thereby greatly improving the practicality and reliability of the pump.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A magnetically driven refrigerant fluorine pump, comprising

[0007] an electric motor;

[0008] and a pump body, in which an impeller is rotatably connected;

[0009] Features:

[0010] A connecting frame is assembled between the pump body and the motor, a partition and an isolating sleeve are arranged between the connecting frame and the pump body, the partition and the isolating sleeve cooperate to form a cavity, the impeller is connected to the partition and the isolating sleeve through the rotation of the pump shaft, the output shaft of the motor is connected to a driving part, and a driven part located in the cavity is arranged on the pump shaft. The driving part is driven to rotate by the motor, so that the driving part drives the driven part and the impeller to rotate synchronously through magnetic force; through the design of the above structure, not only can the structure of the entire pump be compact, but also the installation requirements of a miniaturized refrigeration system and the transportation requirements of a refrigerant medium can be met, thereby greatly improving the practicability and reliability of the pump.

[0011] Furthermore, the active part includes a first connecting frame and an external magnetic assembly fixed to the first connecting frame. The first connecting frame is connected to the output shaft of the motor through a third fastener. The external magnetic assembly is distributed in a ring shape on the inner side of the first connecting frame. The first connecting frame can improve the stability and reliability of the connection between the external magnetic assembly and the output shaft of the motor, ensuring that the external magnetic assembly and the output shaft of the motor rotate synchronously. The third fastener improves the connection stability between the first connecting frame and the output shaft of the motor. The third fastener can be a hexagonal flat-end set screw and a hexagonal bolt.

[0012] Furthermore, the driven member includes a second connecting frame and an internal magnetic assembly fixed to the second connecting frame, the second connecting frame is connected to the pump shaft through a second flat key, the internal magnetic assembly is distributed in a ring shape on the outer side of the second connecting frame, and the second flat key improves the connection stability and reliability between the second connecting frame and the pump shaft. The internal magnetic assembly and the external magnetic assembly are attracted by magnetic force, which facilitates the rotation of the external magnetic assembly to drive the internal magnetic assembly to rotate synchronously, and the second flat key can be a round-headed ordinary flat key.

[0013] Furthermore, a support ring is provided between the inner magnetic assembly and the second connecting frame to prevent the inner magnetic assembly from deforming and to improve the installation stability and reliability of the inner magnetic assembly.

[0014] Furthermore, a thrust ring is provided between the second connecting frame and the pump shaft. Through the design of the thrust ring, the axial movement range of the second connecting frame can be limited to prevent the second connecting frame from shifting during high-speed rotation, thereby ensuring the stability and reliability of the entire pump during operation.

[0015] Furthermore, bearings are provided between the pump shaft and the partition plate and the isolation sleeve, and the bearings can be ceramic bearings to improve the stability and reliability of the pump shaft during rotation.

[0016] Furthermore, sealing rings are provided between the pump body and the partition plate, and between the partition plate and the isolation sleeve, which can prevent the refrigerant medium from leaking into the connecting frame, thereby improving the working stability of the pump and extending the service life of the pump.

[0017] Furthermore, the impeller is connected to the pump shaft through a first flat key, and a second fastener is provided at the end of the pump shaft for fixing the impeller to the pump shaft. The first flat key facilitates the installation and positioning between the impeller and the pump shaft, and the locking between the impeller and the pump shaft is achieved through the second fastener to ensure that the impeller rotates synchronously with the pump shaft. The second fastener can be a hexagonal nut and a spring washer, and the first flat key can be a round-headed ordinary flat key.

[0018] Furthermore, a sealing ring is provided between the impeller and the pump body. Through the design of the sealing ring, the impeller and the inner surface of the pump body can be sealed to ensure that the refrigerant medium can only flow through the internal hollow flow channel of the impeller, thereby improving the transportation efficiency.

[0019] Furthermore, the connecting frame is connected to the motor and the pump body respectively through the first fastener and the fourth fastener. The first fastener can realize the fixed connection between the connecting frame and the motor. The first fixing piece can adopt hexagonal nuts, bolts and spring washers. The fourth fastener can realize the fixed connection between the connecting frame and the pump body. The fourth fastener can adopt hexagonal bolts and spring washers.

[0020] The present invention has the following beneficial effects due to the adoption of the above technical solution:

[0021] 1. The present invention can not only make the structure of the entire pump compact, but also meet the installation requirements of a miniaturized refrigeration system and the transportation requirements of a refrigerant medium, thereby greatly improving the practicality and reliability of the pump.

[0022] 2. The first connecting frame can improve the stability and reliability of the connection between the external magnetic assembly and the output shaft of the motor, ensuring that the external magnetic assembly and the output shaft of the motor rotate synchronously. The third fastener improves the connection stability between the first connecting frame and the output shaft of the motor.

[0023] 3. The second flat key improves the connection stability and reliability between the second connecting frame and the pump shaft. The inner magnetic assembly and the outer magnetic assembly are attracted by magnetic force, so that the inner magnetic assembly can be driven to rotate synchronously by the rotation of the outer magnetic assembly.

[0024] 4. Through the design of the thrust ring, the axial movement range of the second connecting frame can be limited to prevent the second connecting frame from shifting during high-speed rotation, thereby ensuring the stability and reliability of the entire pump during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings:

[0026] Figure 1 The present invention is a schematic structural diagram of a magnetically driven refrigerant fluorine pump.

[0027] In the figure: 1-pump body; 2-sealing ring; 3-impeller; 4-sealing ring; 5-partition; 6-thrust ring; 7-bearing; 8-spacer sleeve; 9-inner magnetic assembly; 10-first fastener; 11-motor; 12-second fastener; 13-first flat key; 14-pump shaft; 15-connecting frame; 16-external magnetic assembly; 17-third fastener; 18-fourth fastener; 19-second flat key; 20-first connecting frame; 21-second connecting frame; 22-support ring. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only embodiments of a part of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0031] like Figure 1 As shown, a magnetically driven refrigerant fluorine pump of the present invention comprises a motor 11 and a pump body 1, wherein the motor 11 may be a three-phase asynchronous motor 11. An impeller 3 is rotatably connected in the pump body 1, and a sealing ring 2 is provided between the impeller 3 and the pump body 1. Through the design of the sealing ring 2, a seal between the impeller 3 and the inner surface of the pump body 1 can be achieved, ensuring that the refrigerant can only flow through the internal hollow flow channel of the impeller 3, thereby improving the conveying efficiency.

[0032] A connecting frame 15 is installed between the pump body 1 and the motor 11. The connecting frame 15 is connected to the motor 11 and the pump body 1 respectively through a first fastener 10 and a fourth fastener 18. The first fastener 10 can realize a fixed connection between the connecting frame 15 and the motor 11. The first fixing piece can be a hexagonal nut, a bolt and a spring washer. The fourth fastener 18 can realize a fixed connection between the connecting frame 15 and the pump body 1. The fourth fastener 18 can be a hexagonal bolt and a spring washer.

[0033] A partition plate 5 and an isolation sleeve 8 are provided between the connecting frame 15 and the pump body 1. The partition plate 5 and the isolation sleeve 8 cooperate to form a cavity. A sealing ring 4 is provided between the pump body 1 and the partition plate 5 and between the partition plate 5 and the isolation sleeve 8 to prevent the refrigerant from leaking into the connecting frame 15, thereby improving the working stability of the pump and extending the service life of the pump.

[0034] The impeller 3 is rotatably connected to the partition 5 and the isolation sleeve 8 through the pump shaft 14. Bearings 7 are provided between the pump shaft 14, the partition 5 and the isolation sleeve 8. The bearings 7 can be ceramic bearings 7 to improve the stability and reliability of the pump shaft 14 during rotation.

[0035] The impeller 3 is connected to the pump shaft 14 through a first flat key 13. A second fastener 12 is provided at the end of the pump shaft 14 for fixing the impeller 3 to the pump shaft 14. The first flat key 13 facilitates the installation and positioning between the impeller 3 and the pump shaft 14. The locking between the impeller 3 and the pump shaft 14 is achieved through the second fastener 12 to ensure that the impeller 3 rotates synchronously with the pump shaft 14. The second fastener 12 can be a hexagonal nut and a spring washer, and the first flat key 13 can be a round-headed ordinary flat key.

[0036] The output shaft of the motor 11 is connected to an active part, which includes a first connecting frame 20 and an external magnetic assembly 16 fixed to the first connecting frame 20. The first connecting frame 20 is connected to the output shaft of the motor 11 through a third fastener 17. The external magnetic assembly 16 is distributed in a ring shape on the inner side of the first connecting frame 20. The first connecting frame 20 can improve the stability and reliability of the connection between the external magnetic assembly 16 and the output shaft of the motor 11, ensuring that the external magnetic assembly 16 and the output shaft of the motor 11 rotate synchronously. The third fastener 17 improves the connection stability between the first connecting frame 20 and the output shaft of the motor 11. The third fastener 17 can adopt a hexagonal flat-end set screw and a hexagonal bolt.

[0037] The pump shaft 14 is provided with a follower located in the cavity, and the follower includes a second connecting frame 21 and an inner magnetic assembly 9 fixed to the second connecting frame 21. The second connecting frame 21 is connected to the pump shaft 14 through a second flat key 19. The inner magnetic assembly 9 is distributed in a ring shape on the outer side of the second connecting frame 21. The second flat key 19 improves the connection stability and reliability between the second connecting frame 21 and the pump shaft 14. The inner magnetic assembly 9 and the outer magnetic assembly 16 are attracted by magnetic force, which facilitates the rotation of the outer magnetic assembly 16 to drive the inner magnetic assembly 9 to rotate synchronously. The second flat key 19 can be a round-headed ordinary flat key.

[0038] A support ring 22 is provided between the inner magnetic assembly 9 and the second connecting frame 21 to prevent the inner magnetic assembly 9 from deforming and to improve the installation stability and reliability of the inner magnetic assembly 9 .

[0039] A thrust ring 6 is provided between the second connecting frame 21 and the pump shaft 14. The design of the thrust ring 6 can limit the axial movement range of the second connecting frame 21 to prevent the second connecting frame 21 from shifting during high-speed rotation, thereby ensuring the stability and reliability of the entire pump during operation.

[0040] The active part is driven to rotate by the motor 11, so that the active part drives the driven part and the impeller 3 to rotate synchronously through magnetic force; through the design of the above structure, not only can the structure of the entire pump be compact, but also it can meet the installation requirements of the miniaturized refrigeration system and the transportation requirements of the refrigerant medium, greatly improving the practicality and reliability of the pump.

[0041] When the present invention is actually used, the motor 11 first drives the first connecting frame 20 and the external magnetic assembly 16 to rotate via the output shaft, and the internal magnetic assembly 9 and the second connecting frame 21 are driven to rotate synchronously under the action of magnetic force, so that the pump shaft 14 drives the impeller 3 to rotate synchronously, so that the refrigerant medium can flow through the internal hollow flow channel of the impeller 3, thereby improving the transportation efficiency of the refrigerant medium.

[0042] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A magnetically driven refrigerant fluorine pump, comprising an electric motor; and a pump body, wherein an impeller is rotatably connected to the pump body; Features: A connecting frame is assembled between the pump body and the motor, a partition and an isolating sleeve are arranged between the connecting frame and the pump body, the partition and the isolating sleeve cooperate to form a cavity, the impeller is rotatably connected to the partition and the isolating sleeve through the pump shaft, the output shaft of the motor is connected to a driving member, a driven member located in the cavity is arranged on the pump shaft, the driving member is driven to rotate by the motor, and the driving member is driven by the magnetic force to drive the driven member and the impeller to rotate synchronously.

2. A magnetically driven refrigerant fluorine pump according to claim 1, characterized in that: The active component includes a first connecting frame and an external magnetic assembly fixed to the first connecting frame, the first connecting frame is connected to the output shaft of the motor through a third fastener, and the external magnetic assembly is distributed in a ring shape on the inner side of the first connecting frame.

3. A magnetically driven refrigerant fluorine pump according to claim 1, characterized in that: The driven member includes a second connecting frame and an inner magnetic assembly fixed to the second connecting frame, the second connecting frame is connected to the pump shaft through a second flat key, and the inner magnetic assembly is distributed in an annular shape on the outer side surface of the second connecting frame.

4. A magnetically driven refrigerant fluorine pump according to claim 3, characterized in that: A support ring is provided between the inner magnetic assembly and the second connecting frame to prevent the inner magnetic assembly from deforming.

5. A magnetically driven refrigerant fluorine pump according to claim 3, characterized in that: A thrust ring is provided between the second connecting frame and the pump shaft.

6. A magnetically driven refrigerant fluorine pump according to claim 1, characterized in that: Bearings are arranged between the pump shaft, the partition plate and the isolation sleeve.

7. A magnetically driven refrigerant fluorine pump according to claim 1, characterized in that: Sealing rings are arranged between the pump body and the partition plate, and between the partition plate and the isolation sleeve.

8. The magnetically driven refrigerant fluorine pump according to claim 1, characterized in that: The impeller is connected to the pump shaft via a first flat key, and a second fastener is provided at the end of the pump shaft for fixing the impeller to the pump shaft.

9. A magnetically driven refrigerant fluorine pump according to claim 1, characterized in that: A sealing ring is provided between the impeller and the pump body.

10. The magnetically driven refrigerant fluorine pump according to claim 1, characterized in that: The connecting frame is connected to the motor and the pump body through a first fastener and a fourth fastener respectively.

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