Water pump with stator subassembly

Abstract

The utility model discloses a water pump with stator partial shipment structure, include: support base, pump shell, pump shell installs at the top of support base, the beneficial effects of the utility model are: through having set up outer positioning strip, location slot, outer fixed ring and limit ring, have realized multiple outer positioning strips of stator outside and multiple location slots of the inside of casing cooperation, fixed screw rod passes through the installation through -hole of being opened in the outside of outer fixed ring, limit ring, and the limit nut is installed in the outside thread of fixed screw rod, and the installation position of limit ring, outer fixed ring, stator and rotor is fixed, through having set up no.

Description

Technical Field

[0001] This utility model relates to the field of stator assembly technology, specifically a water pump with a stator assembly structure. Background Technology

[0002] As the core power component of a water pump system, the pump motor plays a crucial role in numerous fields. It is widely used in agricultural irrigation, urban water supply, industrial circulating water, building water supply and drainage, and HVAC systems, providing power support for the transportation and circulation of liquids. However, the stator's installation position within the casing is prone to deviation, which can affect the uniformity of the air gap between the stator and rotor, impacting the motor's electromagnetic performance and leading to unstable operation, reduced efficiency, and increased noise. Utility Model Content

[0003] The purpose of this utility model is to provide a water pump with a stator separate assembly structure to solve the problems mentioned in the background art, such as the stator's installation position in the casing is prone to deviation, which can easily affect the uniformity of the air gap between the stator and rotor, affect the electromagnetic performance of the motor, and lead to unstable motor operation, reduced efficiency, and increased noise.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a water pump with a stator-separated structure, comprising:

[0005] Support base;

[0006] Pump housing, which is mounted on top of the support base;

[0007] The housing is mounted on top of the support base;

[0008] The stator is installed inside the housing, and the rotor is installed inside the stator. Both ends of the rotor are fixed with positioning side brackets.

[0009] A limiting ring is installed on the inner side of the housing, and the limiting ring is located on one side of the stator;

[0010] Front cover, the front cover is installed on one side of the casing;

[0011] An impeller is rotatably mounted inside the pump casing via a pump shaft, which is fixedly connected to the rotor.

[0012] Positioning seat No. 2 is rotatably mounted inside the front cover, and one of the positioning side brackets cooperates with positioning seat No. 2;

[0013] An outer positioning strip is fixed at equal intervals to the outside of the stator, and multiple positioning grooves that cooperate with the outer positioning strip are equally spaced on the inner side of the housing.

[0014] As a preferred embodiment of this utility model: multiple fixing screws are equidistantly arranged inside the housing, an outer fixing ring is fixedly connected to the outside of the stator, and multiple mounting through holes that cooperate with the fixing screws are equidistantly opened inside the limiting ring and the outer fixing ring, and a limiting nut is threaded on the outside of the fixing screw.

[0015] As a preferred embodiment of this utility model: a plurality of positioning side blocks are equidistantly arranged on one side of the stator and the outer fixing ring, and a plurality of limiting grooves that cooperate with the positioning side blocks are equidistantly opened on the inner side of the limiting ring.

[0016] As a preferred embodiment of this utility model: a fan blade support shell is installed on the side of the housing away from the front cover, a No. 1 positioning seat is rotatably arranged inside the fan blade support shell, another positioning side frame cooperates with the No. 1 positioning seat, a heat dissipation fan blade is rotatably arranged on one side of the fan blade support shell, and the No. 1 positioning seat is fixedly connected to the heat dissipation fan blade.

[0017] As a preferred embodiment of this utility model, a rear cover is installed on the outer side of the fan blade support shell.

[0018] As a preferred embodiment of this utility model: an input pipe is fixedly connected to one side of the pump casing, and an output pipe is fixedly connected to the top of the pump casing.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, by setting external positioning strips, positioning grooves, external fixing rings, and limiting rings, realizes that multiple external positioning strips on the outside of the stator cooperate with multiple positioning grooves on the inside of the housing. The fixing screw passes through the mounting through holes opened in the external fixing ring and the limiting ring, and the limiting nut is threaded on the outside of the fixing screw, fixing the installation positions of the limiting ring, the external fixing ring, the stator, and the rotor. By setting a second positioning seat and a first positioning seat, the positioning side frames at both ends of the rotor cooperate with the second positioning seat and the first positioning seat respectively for positioning, thus positioning the installation position of the rotor. The fan blade support shell and the front cover are installed at both ends of the housing, improving the installation stability of the rotor and stator. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the casing structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the front cover structure of this utility model;

[0023] Figure 4 This is an exploded view of the present invention;

[0024] Figure 5 This is a schematic diagram of the stator and limiting ring structure of this utility model;

[0025] Figure 6 This is a schematic diagram of the heat dissipation fan blade structure of this utility model.

[0026] In the diagram: 1. Support base; 2. Pump casing; 3. Inlet pipe; 4. Outlet pipe; 5. Machine casing; 6. Front cover; 7. Stator; 8. Positioning side block; 9. Fixing screw; 10. Limiting nut; 11. Outer positioning strip; 12. Positioning groove; 13. Rotor; 14. Limiting ring; 15. Limiting groove; 16. Mounting through hole; 17. Fan blade support shell; 18. Positioning seat No. 1; 19. Positioning seat No. 2; 20. Cooling fan blade; 21. Rear cover; 22. Impeller; 23. Positioning side bracket; 24. Outer fixing ring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1 to 6 This utility model provides a technical solution: a water pump with a stator-separated structure, comprising: a support base 1; a pump casing 2 bolted to the top of the support base 1; a housing 5 bolted to the top of the support base 1; a stator 7 mounted inside the housing 5, with a rotor 13 mounted inside the stator 7, and positioning side brackets 23 fixedly connected to both ends of the rotor 13; a limiting ring 14 mounted inside the housing 5, located on one side of the stator 7; a front cover 6 bolted to one side of the housing 5; an impeller 22 rotatably disposed inside the pump casing 2 via a pump shaft, the pump shaft being fixedly connected to the rotor 13; a second positioning seat 19 rotatably disposed inside the front cover 6, with one of the positioning side brackets 23 cooperating with the second positioning seat 19; an outer positioning strip 11 equidistantly fixed to the outer side of the stator 7, and multiple positioning grooves 12 equidistantly provided on the inner side of the housing 5 to cooperate with the outer positioning strip 11.

[0029] It should be noted that in this embodiment, the rotor 13 is installed inside the stator 7. Multiple outer positioning strips 11 on the outer side of the stator 7 cooperate with multiple positioning grooves 12 on the inner side of the housing 5 to limit the stator 7's installation inside the housing 5. The fixing screw 9 enters the mounting through hole 16 opened in the outer fixing ring 24 and the limiting ring 14. The limiting nut 10 is installed outside the fixing screw 9. A washer is provided between the limiting nut 10 and the outer positioning strips 11. The stator 7 is installed and fixed inside the housing 5 by the limiting ring 14 and the outer fixing ring 24. The front cover 6 is installed on the machine... One side of the housing 5 is bolted on. The second positioning seat 19 inside the front cover 6 rotates and cooperates with one of the positioning side frames 23. The fan blade support housing 17 is bolted on the other side of the housing 5. The first positioning seat 18 is limited between the positioning side frame 23 to position the rotor 13. When the rotor 13 rotates, it drives the positioning side frame 23 to rotate. The positioning side frame 23 drives the first positioning seat 18 and the second positioning seat 19 to rotate respectively. The first positioning seat 18 drives the cooling fan blade 20 to rotate. The rotor 13 drives the impeller 22 to rotate through the pump shaft.

[0030] In one embodiment, such as Figure 2 , Figure 4 and Figure 5 As shown, multiple fixing screws 9 are fixedly connected at equal intervals inside the housing 5, and an outer fixing ring 24 is fixedly connected to the outside of the stator 7. Multiple mounting through holes 16 that cooperate with the fixing screws 9 are opened at equal intervals inside the limiting ring 14 and the outer fixing ring 24. A limiting nut 10 is threaded on the outside of the fixing screw 9.

[0031] It should be noted that in this embodiment, the fixing screw 9 cooperates with the mounting through hole 16 opened inside the outer fixing ring 24 and the limiting ring 14, and the limiting nut 10 is threaded on the outside of the fixing screw 9, thereby limiting and fixing the stator 7, the outer fixing ring 24 and the limiting ring 14 inside the housing 5.

[0032] In one embodiment, such as Figure 2 , Figure 4 and Figure 5 As shown, multiple positioning side blocks 8 are fixedly connected at equal intervals on one side of the stator 7 and the outer fixing ring 24, and multiple limiting grooves 15 that cooperate with the positioning side blocks 8 are opened at equal intervals on the inner side of the limiting ring 14.

[0033] It should be noted that, in this embodiment, the multiple limiting grooves 15 on the inner side of the limiting ring 14 cooperate with the multiple positioning side blocks 8 on one side of the stator 7 and the outer fixing ring 24 to further position the installation position of the limiting ring 14.

[0034] In one embodiment, such as Figure 4 and Figure 6As shown, a fan blade support shell 17 is bolted to the side of the housing 5 away from the front cover 6. A first positioning seat 18 is rotatably arranged inside the fan blade support shell 17. Another positioning side frame 23 cooperates with the first positioning seat 18. A heat dissipation fan blade 20 is rotatably arranged on one side of the fan blade support shell 17. The first positioning seat 18 is fixedly connected to the heat dissipation fan blade 20.

[0035] It should be noted that in this embodiment, when the rotor 13 rotates, it drives the positioning side frame 23 to rotate, and the positioning side frame 23 drives the cooling fan blades 20 to rotate through the first positioning seat 18.

[0036] In one embodiment, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, a rear cover 21 is bolted to the outer side of the fan blade support housing 17.

[0037] It should be noted that in this embodiment, the rear cover 21 is fixed to the outside of the fan blade support shell 17 by bolts.

[0038] In one embodiment, such as Figures 1 to 5 As shown, an input pipe 3 is fixedly connected to one side of the pump casing 2, and an output pipe 4 is fixedly connected to the top of the pump casing 2.

[0039] It should be noted that in this embodiment, water inlet and outlet are processed through input pipe 3 and output pipe 4.

[0040] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] Furthermore, the terms “first,” “second,” “third,” and “fourth” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as “first,” “second,” “third,” or “fourth” may explicitly or implicitly include at least one of those features.

[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A water pump with a stator-separated structure, characterized in that, include: Support base (1); Pump housing (2), the pump housing (2) is mounted on top of the support base (1); The housing (5) is mounted on top of the support base (1); Stator (7), the stator (7) is installed on the inner side of the housing (5), and a rotor (13) is installed on the inner side of the stator (7). Both ends of the rotor (13) are fixedly connected to positioning side brackets (23). A limiting ring (14) is installed on the inner side of the housing (5) and the limiting ring (14) is located on one side of the stator (7); Front cover (6), the front cover (6) is installed on one side of the housing (5); Impeller (22), the impeller (22) is rotatably disposed inside the pump casing (2) via the pump shaft, the pump shaft being fixedly connected to the rotor (13); Positioning seat No. 2 (19) is rotatably mounted inside the front cover (6), and one of the positioning side brackets (23) cooperates with positioning seat No. 2 (19); The outer positioning strip (11) is fixed at equal intervals to the outside of the stator (7), and the inner side of the housing (5) is provided with a plurality of positioning grooves (12) that cooperate with the outer positioning strip (11).

2. A water pump with a stator-separated structure according to claim 1, characterized in that: The housing (5) is provided with multiple fixing screws (9) at equal intervals inside. The stator (7) is fixed with an outer fixing ring (24) on the outside. The limiting ring (14) and the outer fixing ring (24) are provided with multiple mounting through holes (16) at equal intervals inside to cooperate with the fixing screws (9). The fixing screws (9) are threaded with limiting nuts (10) on the outside.

3. A water pump with a stator-separated structure according to claim 2, characterized in that: The stator (7) and the outer fixing ring (24) are provided with multiple positioning side blocks (8) at equal intervals on one side, and the inner side of the limiting ring (14) is provided with multiple limiting grooves (15) that cooperate with the positioning side blocks (8).

4. A water pump with a stator-separated structure according to claim 1, characterized in that: A fan blade support shell (17) is installed on the side of the housing (5) away from the front cover (6). A first positioning seat (18) is rotatably arranged inside the fan blade support shell (17). Another positioning side frame (23) cooperates with the first positioning seat (18). A heat dissipation fan blade (20) is rotatably arranged on one side of the fan blade support shell (17). The first positioning seat (18) is fixedly connected to the heat dissipation fan blade (20).

5. A water pump with a stator-separated structure according to claim 4, characterized in that: A rear cover (21) is installed on the outside of the fan blade support shell (17).

6. A water pump with a stator-separated structure according to claim 1, characterized in that: An input pipe (3) is fixedly connected to one side of the pump casing (2), and an output pipe (4) is fixedly connected to the top of the pump casing (2).

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