Efficient rotor type phase change liquid cooling pump

Abstract

The utility model discloses an efficient rotor type phase change liquid cooling pump which comprises a pump shell, a pump cover is arranged on the pump shell, and a liquid inlet channel for liquid to flow in is arranged on the pump cover. The bracket is provided with a liquid outlet channel for liquid to flow out; the motor shaft is connected to the bracket; the first rotor and the second rotor are arranged in the pump shell, the first rotor is connected to the motor shaft, the second rotor is meshed with the first rotor, the first rotor and the second rotor are rotationally connected with threaded rods correspondingly, the threaded rods penetrate through the pump cover, and round nuts are arranged on the threaded rods. And gaps among the first rotor, the second rotor, the bracket and the pump cover are adjusted. The first rotor and the second rotor can be finely adjusted in the axial direction through the round nuts, gaps between the end faces of the first rotor and the second rotor and the support and the pump cover can be conveniently controlled, it is guaranteed that the end faces of the first rotor and the second rotor are not in contact with the support and the pump cover, abrasion of the liquid pump in the working process is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid pumps, in particular to a high-efficiency rotor type phase-change liquid cooling pump. Background Art

[0002] The liquid pump is a key component in the refrigeration system. It is mainly used to suck the refrigerant from the evaporator, compress it, and then spray it into the condenser. Due to the different sizes of refrigeration systems, the design of the liquid pump needs to consider factors such as flow rate, pressure, and noise.

[0003] In the field of refrigerant transportation, volumetric pumps, rotor pumps or centrifugal pumps are traditionally used for refrigerant transportation. Due to wear during operation, metal powder will fall off and cause the motor to burn out. At the same time, conventional pumps require the presence of lubricating oil or lubricant during operation to reduce pump wear.

[0004] Due to defects in the structural design of the rotor-type phase-change liquid cooling pump in the prior art, the end face of the rotor is likely to come into contact with the inner wall of the pump casing during use, thereby increasing friction and wear and reducing the service life of the liquid pump. Utility Model Content

[0005] The utility model aims to provide a technical solution for an efficient rotor-type phase-change liquid cooling pump to address the deficiencies in the prior art. The first rotor and the second rotor can be fine-tuned axially by a round nut to facilitate control of the gap between the end faces of the first rotor and the second rotor and the bracket and the pump cover, thereby ensuring that the end faces of the first rotor and the second rotor do not contact the bracket and the pump cover, reducing the wear of the liquid pump during operation and extending its service life.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A high-efficiency rotor-type phase-change liquid cooling pump, comprising

[0008] A pump housing, a pump cover is provided on the pump housing, and a liquid inlet channel for liquid to flow into the pump cover is provided on the pump cover;

[0009] A bracket, the bracket is fixed to the pump housing, and the bracket is provided with a liquid outlet channel for liquid to flow out;

[0010] and a motor shaft connected to the bracket;

[0011] Features:

[0012] The pump body further comprises a first rotor and at least one second rotor arranged in the pump housing, the first rotor is connected to the motor shaft, the second rotor is meshed with the first rotor, the first rotor and the second rotor are respectively rotatably connected with threaded rods, the threaded rods penetrate the pump cover, and round nuts are arranged on the threaded rods, and the gaps between the first rotor, the second rotor, the bracket and the pump cover are adjusted by rotating the round nuts; through the design of the above structure, the first rotor and the second rotor can be fine-tuned in axial direction by the round nuts, so as to facilitate the control of the gaps between the end faces of the first rotor and the second rotor and the bracket and the pump cover, ensure that the end faces of the first rotor and the second rotor do not contact with the bracket and the pump cover, reduce the wear of the liquid pump during operation, and extend the service life.

[0013] Furthermore, the round nut is pressed against the pump cover through the gasket, and is used to tension the threaded rod, thereby improving the stability and reliability of the connection.

[0014] Furthermore, the first rotor is provided with a rotating block, and the motor shaft is provided with a limiting hole matching the rotating block. By inserting the rotating block into the limiting hole, the motor shaft drives the first rotor to rotate synchronously, and at the same time, the first rotor can be limited to prevent the first rotor from floating.

[0015] Furthermore, a compression chamber, a liquid inlet chamber and a liquid outlet chamber are provided in the pump housing. The liquid inlet chamber is connected to the liquid outlet chamber through the compression chamber, the liquid inlet channel is connected to the liquid inlet chamber, and the liquid outlet channel is connected to the liquid outlet chamber. The first rotor and the second rotor are both provided in the compression chamber. Liquid can be input into the liquid inlet chamber through the liquid inlet channel, and under the action of the first rotor and the second rotor, it flows into the liquid outlet chamber through the compression chamber and is discharged from the liquid outlet channel.

[0016] Furthermore, the arc wrap angle of the compression chamber is greater than 180°, which can ensure that the outer teeth of the first rotor and the second rotor are wrapped in the arc, thereby improving the efficiency of liquid transportation.

[0017] Furthermore, the first rotor and the second rotor both include a metal body and an engineering plastic layer. A groove is provided on the outer side of the metal body. The engineering plastic layer is connected to the metal body through the groove. The thickness of the engineering plastic layer is 2 to 4 mm. Through the design of the groove, the contact area between the engineering plastic layer and the metal body can be increased, thereby improving the stability and reliability of the first rotor and the second rotor during operation.

[0018] Furthermore, the material of the engineering plastic layer is an elastomeric material, and the elastomeric material can be selected from rubber, polyetheretherketone (PEEK), etc., preferably polyetheretherketone (PEEK). This material is non-conductive and has good affinity. Even if it is worn, it will not cause damage to the motor. At the same time, it can run dry. The refrigerant in the cooling system is easy to evaporate and produce gas. The gas will exist in dry operation, which can meet the requirements of dry operation.

[0019] Furthermore, the motor shaft is connected to the bracket via the first bearing, which can improve the stability and reliability of the motor shaft installation.

[0020] Furthermore, the first rotor and the second rotor are respectively connected to the bracket and the pump cover through the second bearing, which can improve the stability and reliability of the installation of the first rotor and the second rotor.

[0021] Furthermore, the rotor-type phase change liquid cooling pump also includes a motor, an inlet end cover and an outlet end cover. The motor shaft is connected to the motor. The inlet end cover and the outlet end cover are respectively arranged at both ends of the motor. The inlet end cover and the outlet end cover are respectively provided with an inlet pipe and an outlet pipe. The pump casing and the bracket are arranged on a side close to the inlet end cover.

[0022] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0023] 1. The utility model can fine-tune the axial displacement of the first rotor and the second rotor through the round nut, so as to control the gap between the end faces of the first rotor and the second rotor and the bracket and the pump cover, ensure that the end faces of the first rotor and the second rotor do not contact the bracket and the pump cover, reduce the wear of the liquid pump during operation, and extend the service life.

[0024] 2. By inserting the rotating block into the limiting hole, the motor shaft can drive the first rotor to rotate synchronously. At the same time, the first rotor can be limited to prevent the first rotor from floating.

[0025] 3. The first rotor and the second rotor both include a metal body and an engineering plastic layer. A groove is provided on the outer side of the metal body. The engineering plastic layer is connected to the metal body through the groove. The thickness of the engineering plastic layer is 2 to 4 mm. The design of the groove can increase the contact area between the engineering plastic layer and the metal body, thereby improving the stability and reliability of the first rotor and the second rotor during operation. The material of the engineering plastic layer is an elastomeric material. The elastomeric material can be selected from rubber, polyetheretherketone (PEEK), etc., preferably polyetheretherketone (PEEK). This material is non-conductive and has good affinity. Even if it is worn, it will not cause damage to the motor. At the same time, it can run dry. The refrigerant in the cooling system is easy to volatilize and generate gas. The gas will exist during dry operation, which can meet the requirements of dry operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described below in conjunction with the accompanying drawings:

[0027] Figure 1 This is a rendering of a high-efficiency rotor-type phase-change liquid cooling pump of the utility model;

[0028] Figure 2 It is a schematic diagram of the connection between the pump cover, the pump casing and the bracket in the utility model;

[0029] Figure 3 for Figure 2 Structural diagram of the middle A direction;

[0030] Figure 4 for Figure 2 The main view of

[0031] Figure 5 for Figure 4 Schematic diagram of the structure in the middle BB direction;

[0032] Figure 6 It is a schematic diagram of the internal structure of the utility model;

[0033] Figure 7 for Figure 6 A partial enlarged view of point Ⅰ in the middle;

[0034] Figure 8 for Figure 6 A partial enlarged view of the middle II;

[0035] Fig. 9 It is a structural schematic diagram of the first rotor in the utility model.

[0036] In the figure: 1-inlet end cover; 101-inlet pipe;

[0037] 2-motor; 201-bottom plate; 202-motor shaft; 203-limiting hole;

[0038] 3-export end cover; 301-export pipe;

[0039] 4- bracket; 401- liquid outlet channel;

[0040] 5- pump housing; 501- compression chamber; 502- liquid inlet chamber; 503- liquid outlet chamber;

[0041] 6-pump cover; 601-liquid inlet channel;

[0042] 7-first rotor; 701-rotating block;

[0043] 8-second rotor; 9-round nut; 10-washer; 11-threaded rod; 12-metal body; 13-engineering plastic layer; 14-groove; 15-first bearing; 16-second bearing. DETAILED DESCRIPTION

[0044] 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 utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0045] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0046] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model 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.

[0047] like Figures 1 to 9 As shown, a high-efficiency rotor-type phase-change liquid-cooling pump in the utility model comprises a motor 2, an inlet end cover 1 and an outlet end cover 3, the inlet end cover 1 and the outlet end cover 3 are respectively arranged at both ends of the motor 2, the inlet end cover 1 and the outlet end cover 3 are respectively provided with an inlet pipe 101 and an outlet pipe 301, and the pump housing 5 and the bracket 4 are arranged on a side close to the inlet end cover 1.

[0048] A pump casing 5 is provided inside the inlet end cover 1, a pump cover 6 is provided on the pump casing 5, a liquid inlet channel 601 for liquid inflow is provided on the pump cover 6, and a plurality of liquid inlet channels 601 can be provided as needed. The bracket 4 is fixed between the inlet end cover 1 and the motor 2, and a liquid outlet channel 401 for liquid outflow is provided on the bracket 4. The motor shaft 202 is connected to the motor 2, and the motor shaft 202 is connected to the bracket 4 via a first bearing 15, which can improve the stability and reliability of the installation of the motor shaft 202.

[0049] The pump housing 5 is provided with a compression chamber 501, a liquid inlet chamber 502 and a liquid outlet chamber 503. The liquid inlet chamber 502 is connected to the liquid outlet chamber 503 through the compression chamber 501. The liquid inlet channel 601 is connected to the liquid inlet chamber 502. The liquid outlet channel 401 is connected to the liquid outlet chamber 503. The first rotor 7 and the second rotor 8 are both provided in the compression chamber 501. Liquid can be input into the liquid inlet chamber 502 through the liquid inlet channel 601, and under the action of the first rotor 7 and the second rotor 8, it flows into the liquid outlet chamber 503 through the compression chamber 501 and is discharged from the liquid outlet channel 401. The arc wrap angle of the compression chamber 501 is greater than 180°, which can ensure that the outer teeth of the first rotor 7 and the second rotor 8 are wrapped in the arc, thereby improving the efficiency of liquid transportation.

[0050] It also includes a first rotor 7 and at least one second rotor 8 disposed in the pump housing 5. The present application preferably uses a first rotor 7 and a second rotor 8. The first rotor 7 and the second rotor 8 are respectively connected to the bracket 4 and the pump cover 6 through the second bearing 16, which can improve the stability and reliability of the installation of the first rotor 7 and the second rotor 8. The second rotor 8 meshes with the first rotor 7. However, it is not limited to the above structure, and one first rotor 7 can be selected to correspond to multiple second rotors 8, and the multiple second rotors 8 are distributed in a ring around the first rotor 7. The meshing portion of the first rotor 7 and the second rotor 8 can be linear or curved.

[0051] The first rotor 7 is connected to the motor shaft 202. The first rotor 7 is provided with a rotating block 701. The motor shaft 202 is provided with a limiting hole 203 matching the rotating block 701. The rotating block 701 is inserted into the limiting hole 203, so that the motor shaft 202 drives the first rotor 7 to rotate synchronously. At the same time, the first rotor 7 can be limited to prevent the first rotor 7 from floating.

[0052] The first rotor 7 and the second rotor 8 are respectively rotatably connected with a threaded rod 11, which passes through the pump cover 6. A round nut 9 is provided on the threaded rod 11. By rotating the round nut 9, the gap between the first rotor 7, the second rotor 8 and the bracket 4 and the pump cover 6 is adjusted. The round nut 9 is pressed against the pump cover 6 through the gasket 10 to tighten the threaded rod 11 and improve the stability and reliability of the connection. Through the design of the above structure, the first rotor and the second rotor can be fine-tuned in the axial direction through the round nut, which is convenient for controlling the gap between the end faces of the first rotor and the second rotor and the bracket and the pump cover, ensuring that the end faces of the first rotor and the second rotor do not contact the bracket and the pump cover, reducing the wear of the liquid pump during operation and extending the service life.

[0053] The first rotor 7 and the second rotor 8 both include a metal body 12 and an engineering plastic layer 13. A groove 14 is provided on the outer side of the metal body 12. The engineering plastic layer 13 is connected to the metal body 12 through the groove 14. The thickness of the engineering plastic layer 13 is 2 to 4 mm. Through the design of the groove 14, the contact area between the engineering plastic layer 13 and the metal body 12 can be increased, thereby improving the stability and reliability of the first rotor 7 and the second rotor 8 during operation.

[0054] The material of the engineering plastic layer 13 is an elastomeric material, and the elastomeric material can be selected from rubber, polyetheretherketone (PEEK), etc., preferably polyetheretherketone (PEEK). This material is non-conductive and has good affinity. Even if it is worn, it will not cause damage to the motor 2. At the same time, it can run dry. The refrigerant in the cooling system is easy to volatilize and volatilize to produce gas. The gas will exist during dry operation, which can meet the requirements of dry operation.

[0055] When the utility model is actually used, firstly, the liquid is connected to the external cooling system, the power is turned on, the motor is started, and the motor drives the first rotor to rotate through the motor shaft. The liquid enters the inlet end cover through the inlet pipe, and then enters the pump housing through the liquid inlet channel on the pump cover. Under the action of the first rotor and the second rotor, the liquid is output through the liquid outlet channel, and passes through the motor and the outlet end cover to be output from the outlet pipe.

[0056] 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 high-efficiency rotor-type phase-change liquid cooling pump, comprising: a pump housing, the pump housing being provided with a pump cover, the pump cover being provided with a liquid inlet channel for liquid to flow in; a bracket, the bracket being fixed to the pump housing, the bracket being provided with a liquid outlet channel for liquid to flow out; and a motor shaft, the motor shaft being connected to the bracket; Features: It also includes a first rotor and at least one second rotor arranged in the pump housing, the first rotor is connected to the motor shaft, the second rotor is meshed with the first rotor, the first rotor and the second rotor are respectively rotatably connected to threaded rods, the threaded rods pass through the pump cover, and round nuts are provided on the threaded rods. By rotating the round nuts, the gaps between the first rotor, the second rotor, the bracket and the pump cover can be adjusted.

2. A high-efficiency rotor-type phase-change liquid cooling pump according to claim 1, characterized in that: The round nut is pressed against the pump cover via a gasket and is used to tighten the threaded rod.

3. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 1, characterized in that: The first rotor is provided with a rotating block, and the motor shaft is provided with a limiting hole matching the rotating block. The rotating block is inserted into the limiting hole, so that the motor shaft drives the first rotor to rotate synchronously.

4. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 1, characterized in that: A compression chamber, a liquid inlet chamber and a liquid outlet chamber are provided in the pump housing. The liquid inlet chamber is connected to the liquid outlet chamber through the compression chamber. The liquid inlet channel is connected to the liquid inlet chamber. The liquid outlet channel is connected to the liquid outlet chamber. The first rotor and the second rotor are both provided in the compression chamber.

5. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 4, characterized in that: The arc wrap angle of the compression chamber is greater than 180°.

6. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 1, characterized in that: The first rotor and the second rotor both include a metal body and an engineering plastic layer. A groove is provided on the outer side of the metal body. The engineering plastic layer is connected to the metal body through the groove. The thickness of the engineering plastic layer is 2-4 mm.

7. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 6, characterized in that: The material of the engineering plastic layer is an elastomeric material.

8. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 1, characterized in that: The motor shaft is connected to the bracket through a first bearing.

9. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 1, characterized in that: The first rotor and the second rotor are respectively connected to the bracket and the pump cover through a second bearing.

10. The high-efficiency rotor-type phase-change liquid cooling pump according to claim 1, characterized in that: The rotor liquid pump also includes a motor, an inlet end cover and an outlet end cover, the motor shaft is connected to the motor, the inlet end cover and the outlet end cover are respectively arranged at both ends of the motor, the inlet end cover and the outlet end cover are respectively provided with an inlet pipe and an outlet pipe, and the pump housing and the bracket are arranged on a side close to the inlet end cover.

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