Impeller pump easy to install

Abstract

The utility model relates to an impeller pump easy to install and a small pump device used for fluid delivery, the impeller pump (1) comprises a pump head shell (11), a driving support (12), a stator device (10) and a rotor device (20), the pump head shell (11) is provided with a fluid inlet (13) and a fluid outlet (14), the stator device (10) comprises a coil support (101) and an electromagnetic coil (102), the rotor device (20) comprises an impeller support (201) and a magnet (202), and the impeller support (201) and the magnet (202) are arranged on the driving support (12). The impeller (203) is arranged at the first end (201a) of the impeller support (201), and the magnet (202) is fixed to the second end (201b) of the impeller support (201). According to the utility model, the pump head part is combined with the concentric-shaft integrated mounting structure of the mounting shells of the rotor device and the stator device through the center shaft, so that the effects of easy mounting and easy automatic production are realized.

Description

Technical Field

[0001] The utility model relates to an impeller pump device, in particular to a small impeller pump which is cheap and can be automatically installed, in particular to an impeller pump which is easy to install. Background Art

[0002] Among the various types of pumps used for fluid transportation, the impeller pump is a relatively mature technology. Usually, the impeller with blades is rotated by a rotary drive device to achieve the function of extracting and transmitting fluid. One structure combines a stator device with a coil and a rotor device with a magnet supporting the impeller to form a high-power fluid transportation device that is proportional to the amount of current flowing through the electromagnetic coil. It is not only simple in structure but also ensures a high delivery force. However, in order to meet the needs of the market for mass production and reduce labor costs, it is necessary to cooperate with automated production equipment to achieve easier installation and automation. The utility model adopts the following technical solutions for improvement. Utility Model Content

[0003] The purpose of the utility model is to provide an easy-to-install impeller pump, and the disclosed technical solution is as follows:

[0004] An easy-to-install impeller pump is a small pump device for fluid transportation. The impeller pump (1) comprises a pump head housing (11), a drive bracket (12), a stator device (10) and a rotor device (20). The pump head housing (11) is provided with a fluid inlet (13) and a fluid outlet (14). The stator device (10) comprises a coil bracket (101) and an electromagnetic coil (102). The rotor device (20) comprises an impeller bracket (201) and a magnet (202). The impeller (203) is arranged at a first end (201a) of the impeller bracket (201), and the magnet (202) is fixed to a second end (201b) of the impeller bracket (201). , characterized in that the driving bracket (12) is provided with a stator cavity (121) and a rotor cavity (122) for accommodating and installing a stator device (10) and a rotor device (20), respectively; the stator cavity (121) and the rotor cavity (122) are provided as inner and outer double layers with the same central axis; the stator cavity (121) is an outer layer annular cylindrical cavity tube, and the rotor cavity (122) is an inner layer cylindrical cavity tube; the first cavity tube bottom surface (123) of the stator cavity (121) and the second cavity tube bottom surface (124) of the rotor cavity (122) are arranged relatively at the two ends of the driving bracket (12) to form a Z-shaped shell shape. The inner and outer double-layer cavities are coaxial with the central axis, and the openings are respectively arranged at the two end surfaces of the central axis, so that the stator device (10) and the rotor device (20) can be installed in the driving bracket (12) along two different directions of the central axis respectively. The assembly is convenient and simple. The installation coaxial with the central axis is more suitable for machine automation, which can increase production and reduce labor costs.

[0005] The invention further comprises a central fixed shaft (40), wherein the third end (41) of the central fixed shaft (40) is fixed to the pump head housing (11), and the fourth end (42) is fixed to the bottom surface (124) of the second cavity cylinder. A through hole (204) is arranged on the central axis of the impeller support (201), and the central fixed shaft (40) passes through the through hole (204) for fixing. The stator and the rotor of the rotary impeller pump are fixed on the same central axis position through the central shaft (40), so that a simple positioning and fixing installation is realized, and it is easier to install through an automated assembly method, so as to improve production efficiency and reduce production costs.

[0006] Furthermore, a central axis bracket (43) is provided at the fluid inlet (13) of the pump head housing (11), and the third end portion (41) is fixed to the central axis bracket (43).

[0007] Furthermore, a central axis fixing slot hole (44) is provided on the bottom surface (124) of the second cavity tube, and the fourth end portion (42) is fixed to the central axis fixing slot hole (44).

[0008] Furthermore, washers (401) are respectively arranged at both ends of the central fixed shaft (40), and the washers (401) are arranged as annular bodies passing through the central fixed shaft (40) and are respectively fixed to the contact surfaces of the central shaft bracket (43) and the central shaft fixing slot hole (44). The washers (401) at both ends of the central fixed shaft (40) and the central shaft bracket (43) and the central shaft fixing slot hole (44) of the fixing device at both ends form a wear-resistant isolation structure, thereby extending the service life of the rotor device.

[0009] Furthermore, it also includes a cavity (431) connected to the fluid inlet (13) for accommodating the central axis support (43), and the diameter of the cavity (431) is larger than that of the fluid inlet (13).

[0010] Furthermore, the central axis bracket (43) includes a slot (432) for fixing the central fixed axis (40), and a bracket (433) fixed to the inner wall of the cavity (431), and a flow hole (434) is formed between each bracket. The central fixed axis bracket forms a flow hole, which plays a good role in reducing noise while fixing the central fixed axis.

[0011] Furthermore, the inlet surface of the circulation hole (434) is directly opposite to the lateral side surface (111) with an increased area between the cavity (431) and the fluid inlet (13). The circulation hole of the central axis support (43) is directly opposite to the lateral side surface, and a right-angle buffer channel is formed at the inlet, which plays a role in buffering and reducing noise for fluid circulation.

[0012] Furthermore, the number of the circulation holes (434) is the same as the number of blades of the impeller (203). In the best embodiment of the utility model, the impeller (203) is provided with three blades, and similarly, the central axis support (43) is also provided with three circulation holes (434), and the corresponding arrangement is more suitable for the circulation of the fluid.

[0013] Furthermore, the rotor cavity (122) is provided with a protrusion (441) on the bottom surface where the central axis fixing slot hole (44) is provided, and the protrusion (441) is positioned and fixed on the central axis of the coil support (101) of the stator device (10).

[0014] Furthermore, the impeller bracket (201) also includes a transition section arranged between the magnet mounting portion and the impeller, the transition section is provided with a convex strip (205) for fixing the magnet, and a partition (206) is also provided between the convex strip (205) and the impeller (203), and a sealing ring (16) is adapted to be provided to seal and isolate the pump head fluid cavity and the drive device.

[0015] According to the above technical scheme, the utility model has the following beneficial effects: the utility model is an easy-to-install impeller pump, which uses a central axis to integrate the pump head part with the installation shell of the rotor device and the stator device into an integrated installation structure with the same central axis, thereby achieving easy installation and easy automation production effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional schematic diagram of the overall structure of an impeller pump in the best embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion of the impeller pump in the best embodiment of the utility model;

[0018] Figure 3 It is an overall schematic diagram of the impeller pump in the best embodiment of the utility model;

[0019] Figure 4 It is a schematic sectional view of the overall structure of the impeller pump of the best embodiment of the utility model;

[0020] Figure 5 The sectional view BB of the overall structure of the impeller pump of the best embodiment of the utility model;

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of the impeller support of the best embodiment of the utility model;

[0022] Figure 7 This is a schematic diagram of the stator device installation structure of the best embodiment of the utility model;

[0023] Figure 8This is a schematic diagram of the overall installation structure of the stator device of the best embodiment of the utility model;

[0024] Fig. 9 This is a schematic diagram of the overall installation structure of the stator device of the best embodiment of the utility model;

[0025] Fig.10 This is a schematic diagram of the overall structure of the stator device of the best embodiment of the utility model;

[0026] Fig.11 This is a schematic diagram of the central fixed axis structure of the best embodiment of the utility model;

[0027] Fig.12 This is a schematic diagram of the overall structure of the pump head housing of the best embodiment of the utility model;

[0028] Fig.13 A bottom view of a pump head housing of the best embodiment of the utility model;

[0029] Fig.14 A schematic cross-sectional view of a pump head housing CC of the best embodiment of the utility model;

[0030] Fig.15 This is a schematic diagram of the three-dimensional structure of the driving bracket of the best embodiment of the utility model;

[0031] Fig.16 This is a schematic diagram of the three-dimensional structure of the driving bracket of the best embodiment of the utility model;

[0032] Fig.17 This is a schematic diagram of the overall structure of the driving bracket of the best embodiment of the utility model;

[0033] Fig.18 This is a cross-sectional schematic diagram of a driving bracket DD according to the best embodiment of the utility model. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations. Figures 1 to 18As shown, an easy-to-install impeller pump is a small pump device for fluid transportation. The impeller pump 1 includes a pump head housing 11, a drive bracket 12, a stator device 10 and a rotor device 20. The pump head housing 11 is provided with a fluid inlet 13 and a fluid outlet 14. The stator device 10 includes a coil bracket 101 and an electromagnetic coil 102. The rotor device 20 includes an impeller bracket 201 and a magnet 202. The impeller 203 is arranged at a first end 201a of the impeller bracket 201, and the magnet 202 is fixed to a second end 201 of the impeller bracket 201. b. The driving bracket 12 is provided with a stator cavity 121 and a rotor cavity 122 for accommodating and installing the stator device 10 and the rotor device 20 respectively. The stator cavity 121 and the rotor cavity 122 are provided as inner and outer double layers with the same central axis. The stator cavity 121 is an outer layer of annular cylindrical cavity tube, and the rotor cavity 122 is an inner layer of cylindrical cavity tube. The first cavity tube bottom surface 123 of the stator cavity 121 and the second cavity tube bottom surface 124 of the rotor cavity 122 are relatively arranged at the two ends of the driving bracket 12 to form a Z-shaped shell shape. The inner and outer double layers of the cavity with the same central axis, the openings are respectively arranged at the two end surfaces of the central axis, so that the stator device 10 and the rotor device 20 can be installed in the driving bracket 12 along two different directions of the central axis respectively. The assembly is convenient and simple, and the installation with the same central axis is more suitable for machine automation, which can increase production and reduce labor costs.

[0035] like Figure 2 , Figure 4 As shown in , it also includes a central fixed shaft 40, the third end 41 of the central fixed shaft 40 is fixed to the pump head housing 11, and the fourth end 42 is fixed to the bottom surface 124 of the second cavity cylinder. A through hole 204 is set on the central axis of the impeller bracket 201, and the central fixed shaft 40 is fixed through the through hole 204. The stator and rotor of the rotary impeller pump are fixed on the same central axis position through the central shaft 40, realizing simple positioning and fixing installation, and it is easier to install through an automated assembly method, which is convenient for improving production efficiency and reducing production costs.

[0036] like Figure 4 As shown in FIG. 1 , a central axis bracket 43 is disposed at the fluid inlet 13 of the pump head housing 11 , and the third end 41 is fixed to the central axis bracket 43 . A central axis fixing slot 44 is disposed on the bottom surface 124 of the second cavity cylinder, and the fourth end 42 is fixed to the central axis fixing slot 44 .

[0037] like Figure 4 , Fig.10 and Fig.11As shown in FIG. 1 , gaskets 401 are respectively arranged at both ends of the central fixed shaft 40. The gaskets 401 are arranged as annular bodies passing through the central fixed shaft 40 and are respectively fixed to the contact surfaces of the central shaft bracket 43 and the central shaft fixing slot 44. The gaskets 401 at both ends of the central fixed shaft 40 and the central shaft bracket 43 and the central shaft fixing slot 44 at both ends form a wear-resistant isolation structure, thereby extending the life of the rotor device.

[0038] like Figure 4 , Figures 12 to 14 As shown, it also includes a cavity 431 connected to the fluid inlet 13 for accommodating the central axis bracket 43, and the diameter of the cavity 431 is larger than the fluid inlet 13. The central axis bracket 43 includes a slot 432 for fixing the central fixed axis 40, and a bracket 433 fixed to the inner wall of the cavity 431, and a flow hole 434 is formed between each bracket. The bracket of the central fixed axis forms a flow hole, which plays a good role in reducing noise while fixing the central fixed axis. The inlet surface of the flow hole 434 is opposite to the lateral side surface 111 with an increased area between the cavity 431 and the fluid inlet 13. As shown in FIG. Fig.14 As shown in , the flow hole of the central axis support 43 faces the lateral side, and a right-angle buffer channel is formed at the entrance, which plays a role in buffering and reducing noise for fluid flow. Fig.13 As shown, the number of the flow holes 434 is the same as the number of blades of the impeller 203. In the best embodiment of the present invention, the impeller 203 is provided with three blades, and similarly, the central axis support 43 is also provided with three flow holes 434, and the corresponding arrangement is more suitable for the flow of fluid.

[0039] like Figures 15 to 18 As shown, a protrusion 441 is provided on the bottom surface of the rotor cavity 122 where the central axis fixing slot 44 is provided, and the protrusion 441 is positioned and fixed on the central axis of the coil support 101 of the stator device 10 .

[0040] like Figure 7 As shown, the impeller bracket 201 also includes a transition section arranged between the magnet mounting portion and the impeller, the transition section is provided with a convex strip 205 for fixing the magnet, and a partition layer 206 is also arranged between the convex strip 205 and the impeller 203, and a sealing ring 16 is adapted to be arranged to seal and isolate the pump head fluid cavity and the driving device.

[0041] The above is one embodiment of the present utility model. In addition, it should be noted that any equivalent or simple changes made based on the structure, features and principles described in the concept of this patent are included in the protection scope of this patent.

Claims

1. An easy-to-install impeller pump, comprising a pump head housing (11), a drive bracket (12), a stator device (10) and a rotor device (20), wherein a fluid inlet (13) and a fluid outlet (14) are arranged on the pump head housing (11), the stator device (10) comprises a coil bracket (101) and an electromagnetic coil (102), the rotor device (20) comprises an impeller bracket (201) and a magnet (202), an impeller (203) is arranged at a first end (201a) of the impeller bracket (201), and the magnet (202) is fixed to a second end (201b) of the impeller bracket (201), characterized in that The driving bracket (12) is provided with a stator cavity (121) and a rotor cavity (122) for accommodating and installing the stator device (10) and the rotor device (20), respectively; the stator cavity (121) and the rotor cavity (122) are provided as inner and outer double layers with the same central axis; the stator cavity (121) is an outer layer circular cylindrical hollow cylinder; the rotor cavity (122) is an inner layer cylindrical hollow cylinder; the first hollow cylinder bottom surface (123) of the stator cavity (121) and the second hollow cylinder bottom surface (124) of the rotor cavity (122) are provided at two ends of the driving bracket (12) opposite to each other; It also includes a central fixed shaft (40), the third end (41) of the central fixed shaft (40) is fixed to the pump head housing (11), and the fourth end (42) is fixed to the bottom surface (124) of the second cavity cylinder, and a through hole (204) is provided on the central axis of the impeller bracket (201), and the central fixed shaft (40) passes through the through hole (204) and is fixed.

2. An easy-to-install impeller pump according to claim 1, characterized in that A central axis bracket (43) is provided at the fluid inlet (13) of the pump head housing (11), and the third end portion (41) is fixed to the central axis bracket (43).

3. An easy-to-install impeller pump according to claim 2, characterized in that The bottom surface (124) of the second cavity tube is provided with a central axis fixing slot hole (44), and the fourth end portion (42) is fixed to the central axis fixing slot hole (44).

4. An easy-to-install impeller pump according to claim 3, characterized in that Gaskets (401) are respectively arranged at both ends of the central fixed shaft (40); the gaskets (401) are arranged as annular bodies passing through the central fixed shaft (40) and are respectively fixed to the contact surfaces of the central shaft bracket (43) and the central shaft fixing slot hole (44).

5. The easy-to-install impeller pump according to claim 2, characterized in that It also comprises a cavity (431) connected to the fluid inlet (13) for accommodating the central axis support (43), wherein the diameter of the cavity (431) is larger than that of the fluid inlet (13).

6. An easy-to-install impeller pump according to claim 5, characterized in that The central axis bracket (43) comprises a slot (432) for fixing the central fixed axis (40) and a bracket (433) fixed to the inner wall of the cavity (431), and a flow hole (434) is formed between the brackets.

7. An easy-to-install impeller pump according to claim 6, characterized in that The inlet surface of the flow hole (434) is opposite to the lateral side surface (111) with increased area between the cavity (431) and the fluid inlet (13).

8. An easy-to-install impeller pump according to claim 7, characterized in that The number of the flow holes (434) is the same as the number of blades of the impeller (203).

9. The easy-to-install impeller pump according to claim 2, characterized in that The rotor cavity (122) is provided with a protrusion (441) on the bottom surface where the central axis fixing slot hole (44) is provided, and the protrusion (441) is positioned and fixed on the central axis of the coil support (101) of the stator device (10).

10. The easy-to-install impeller pump according to claim 1, characterized in that The impeller bracket (201) further comprises a transition section arranged between the magnet mounting portion and the impeller, the transition section is provided with a convex strip (205) for fixing the magnet, a partition (206) is also arranged between the convex strip (205) and the impeller (203), and a sealing ring (16) is adapted to be arranged to seal and isolate the pump head fluid cavity and the drive device.

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