Circulating water cooling water pump structure

Abstract

The utility model relates to a circulating water cooling water pump structure, which belongs to the technical field of water pumps, and comprises a water pump shell, a motor shell, an impeller, a rotor assembly, a waterproof sleeve and a stator assembly, the water pump shell is connected with the motor shell, the rotor assembly, the waterproof sleeve and the stator assembly are positioned in the motor shell, and the waterproof sleeve is positioned between the rotor assembly and the stator assembly. The impeller is connected with the end of the rotor assembly and located in the water pump shell, a water separation plate is arranged on the water separation sleeve, a water inlet hole is formed in the water separation plate, a liquid channel is formed between the water separation sleeve and the rotor assembly, the rotor assembly comprises a rotor shaft and a rotor iron core, a water outlet channel is formed in the rotor shaft, and the water outlet channel is communicated with the liquid channel. Liquid enters the water pump shell from the water inlet hole of the water-stop sheet, passes through the liquid channel and the water outlet channel and then enters the water pump shell, cooling of the rotor assembly and the stator assembly is completed, and the circulating water cooling water pump structure is reasonable in structure, capable of cooling both the rotor and the stator and good in cooling effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water pump technical field, especially a circulating water cooling water pump structure. BACKGROUND

[0002] Water pump is the mechanical of conveying liquid or making liquid pressure. It transmits mechanical energy or other external energy of prime mover to liquid, makes liquid energy increase, and is mainly used to convey liquid including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal etc., and volume pump is used for transmitting energy by volume change of its working chamber, and vane pump is used for transmitting energy by interaction of rotary vane and water, and there are centrifugal pump, axial flow pump and mixed flow pump etc., and water pump can produce high temperature after long time use, and is easy to damage motor, and most of motors on market are still cooled by air, and few motors are cooled by water.

[0003] The domestic database discloses application number 202420017033.6, and the utility model discloses a water-cooled heat dissipation type drainage pump, which comprises a main shell, an inlet and outlet water cover shell, a motor and an impeller, the inlet and outlet water cover shell is connected with the main shell, the motor comprises an inner rotor and an outer stator, a rotor mounting cavity for mounting the inner rotor and a water injection cavity for water injection cooling are arranged on the main shell, the inner rotor is mounted in the rotor mounting cavity, the rotating shaft of the inner rotor extends out of the main shell and is connected with the impeller, the outer stator comprises a stator magnetic core and a stator winding, the stator magnetic core comprises a magnetic pole part wrapped on the outer wall of the rotor mounting cavity on both sides and a winding part for mounting the stator winding, the water injection cavities are spaced apart on the outer wall of the rotor mounting cavity, and the stator magnetic pole containing area is formed between the outer wall of the water injection cavity and the outer wall of the rotor mounting cavity, the magnetic pole part is arranged in the stator magnetic pole containing area, and the water injection cavity is wrapped on the outer wall of the magnetic pole part, although the above-mentioned patent can cool the motor, but only the stator can be cooled, and the cooling effect is actually not good. UTILITY MODEL CONTENTS

[0004] The utility model discloses a structure is reasonable, and the rotor and stator can be cooled, and the circulating water cooling water pump structure of good cooling effect is provided.

[0005] The utility model discloses a structure is reasonable, and the rotor and stator can be cooled, and the circulating water cooling water pump structure of good cooling effect is provided.

[0006] The utility model discloses a circulating water cooling water pump structure, including water pump shell, motor shell, impeller, rotor assembly, water jacket and stator assembly, water pump shell and motor shell are connected with each other, and rotor assembly, water jacket and stator assembly are located in motor shell, water jacket is located between rotor assembly and stator assembly, the impeller is connected with the end of rotor assembly and is located in water pump shell, the water jacket is provided with water baffle, the water baffle is provided with water inlet hole, and the water jacket has liquid passage between rotor assembly, and rotor assembly includes rotor shaft and rotor core, the rotor core is connected with rotor shaft, and the rotor shaft has water outlet channel, and water outlet channel is communicated with liquid passage, and liquid enters water pump shell after passing through liquid passage and water outlet channel from the water inlet hole of water baffle, and the cooling of rotor assembly and stator assembly is completed.

[0007] In the above-mentioned circulating water cooling water pump structure, the middle end of the water baffle is provided with a recess, which is arranged towards the rotor assembly, and the water inlet hole is located in the recess of the water baffle.

[0008] In the above-mentioned circulating water cooling water pump structure, the side of the impeller close to the water baffle is provided with a drain hole.

[0009] In the above-mentioned circulating water cooling water pump structure, the number of the drain holes is two, and they are evenly distributed on the impeller.

[0010] In the above-mentioned circulating water cooling water pump structure, the motor shell is provided with a water cooling groove.

[0011] In the above-mentioned circulating water cooling water pump structure, the water cooling groove is arranged around the outer circumferential side of the stator assembly.

[0012] In the above-mentioned circulating water cooling water pump structure, the water inlet hole is in an arc groove structure.

[0013] In the above-mentioned circulating water cooling water pump structure, the number of the water inlet holes is four.

[0014] The utility model discloses a circulating water cooling water pump structure, including water pump shell, motor shell, impeller, rotor assembly, water jacket and stator assembly, water pump shell and motor shell are connected with each other, and rotor assembly, water jacket and stator assembly are located in motor shell, water jacket is located between rotor assembly and stator assembly, the impeller is connected with the end of rotor assembly and is located in water pump shell, the water jacket is provided with water baffle, the water baffle is provided with water inlet hole, and the water jacket has liquid passage between rotor assembly, and rotor assembly includes rotor shaft and rotor core, the rotor core is connected with rotor shaft, and the rotor shaft has water outlet channel, and water outlet channel is communicated with liquid passage, and liquid enters water pump shell after passing through liquid passage and water outlet channel from the water inlet hole of water baffle, and the cooling of rotor assembly and stator assembly is completed.

[0015] The utility model discloses a circulating water cooling water pump structure, including water pump shell, motor shell, impeller, rotor assembly, water jacket and stator assembly, water pump shell and motor shell are connected with each other, and rotor assembly, water jacket and stator assembly are located in motor shell, water jacket is located between rotor assembly and stator assembly, the impeller is connected with the end of rotor assembly and is located in water pump shell, the water jacket is provided with water baffle, the water baffle is provided with water inlet hole, and the water jacket has liquid passage between rotor assembly, and rotor assembly includes rotor shaft and rotor core, the rotor core is connected with rotor shaft, and the rotor shaft has water outlet channel, and water outlet channel is communicated with liquid passage, and liquid enters water pump shell after passing through liquid passage and water outlet channel from the water inlet hole of water baffle, and the cooling of rotor assembly and stator assembly is completed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural diagram of the utility model.

[0017] Figure 2 is a sectional view of the utility model.

[0018] Figure 3 is an enlarged view of A of the utility model.

[0019] Figure 4 is one of internal structure schematic view of the utility model.

[0020] Figure 5 is two of internal structure schematic view of the utility model.

[0021] 1-water pump shell;2-motor shell;3-impeller;4-rotor assembly;5-water jacket;6-stator assembly;21-water cooling tank;31-drain hole;41-rotor shaft;42-rotor core;43-water outlet passage;51-water baffle;52-water inlet hole;53-liquid passage. SPECIFIC EMBODIMENT

[0022] The utility model will be further described in conjunction with the specific embodiments of the accompanying drawings:

[0023] For example, Figures 1-5The utility model discloses a circulating water cooling water pump structure, including water pump shell 1, motor shell 2, impeller 3, rotor assembly 4, water jacket 5 and stator assembly 6, water pump shell 1 and motor shell 2 are connected with each other, and rotor assembly 4, water jacket 5 and stator assembly 6 are located in motor shell 2, water jacket 5 is located between rotor assembly 4 and stator assembly 6, impeller 3 is connected with the end of rotor assembly 4 and is located in water pump shell 1, water jacket 5 is provided with water baffle 51, water baffle 51 is provided with water inlet hole 52, water jacket 5 has liquid passage 53 with rotor assembly 4, rotor assembly 4 includes rotor shaft 41 and rotor core 42, rotor core 42 is connected with rotor shaft 41, and rotor shaft 41 has water outlet passage 43, water outlet passage 43 is communicated with liquid passage 53, liquid enters from the water inlet hole 52 of water baffle 51, passes through liquid passage 53 and water outlet passage 43 and enters water pump shell 1, and the cooling of rotor assembly 4 and stator assembly 6 is completed, by installing water jacket in motor shell, water jacket is isolated with stator assembly and rotor assembly respectively, and rotor assembly is provided with liquid passage with water jacket, and rotor assembly is provided with water outlet passage, and the water in water pump shell rotates through impeller, part of water enters the water inlet hole of water baffle through the drain hole of impeller, then water enters liquid passage and water outlet passage, and finally enters impeller, and is pumped out through impeller, so that the cooling of stator assembly and rotor assembly is completed, the cooling effect is better, and the water cooling groove is further arranged on the motor shell, which can further cool the stator assembly and improve the overall cooling effect.

[0024] In the above-mentioned circulating water cooling water pump structure, the middle end of the water baffle 51 is provided with a recess, which is arranged towards the rotor assembly 4, and the water inlet hole 52 is located in the recess of the water baffle 51. Specifically, this is to facilitate the gathering of liquid, and the recess of the water baffle is in the shape of a truncated cone.

[0025] In the above-mentioned circulating water cooling water pump structure, the side of the impeller 3 close to the water baffle 51 is provided with a drain hole 31, and the number of the drain holes 31 is two and they are evenly distributed on the impeller 3. Specifically, the impeller rotates, and part of the water in the water pump shell enters the recess of the water baffle through the drain hole of the impeller, and then enters the liquid passage through the water inlet hole and is discharged from the water outlet passage, which can carry away the heat generated by the work of the stator assembly and the rotor assembly. At the same time, the end of the rotor shaft is located in the impeller, and one end of the water outlet passage is in communication with the internal space of the impeller, so that the water carrying away the heat generated by the work of the stator assembly and the rotor assembly will be pumped out by the rotating impeller, and the number of the drain holes can be adjusted according to requirements.

[0026] In the circulating water cooling water pump structure, the motor shell 2 is provided with a water cooling groove 21, the water cooling groove 21 is arranged around the outer peripheral side of the stator assembly 6, specifically, water only flows in the water cooling groove, does not contact the stator assembly, and carries away the heat generated by the stator assembly during work.

[0027] In the circulating water cooling water pump structure, the water inlet hole 52 is an arc-shaped groove structure, and the water inlet hole 52 is four, specifically, so as to improve the water inlet amount and enhance the cooling effect, and the water inlet holes are uniformly distributed in the recessed portions of the water-proof plates.

[0028] The above embodiments are only preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A circulating water-cooled pump structure, comprising a pump housing (1), a motor housing (2), an impeller (3), a rotor assembly (4), a water-proof sleeve (5), and a stator assembly (6), characterized in that: The pump housing (1) and the motor housing (2) are interconnected, and the rotor assembly (4), the water-proof sleeve (5), and the stator assembly (6) are located inside the motor housing (2). The water-proof sleeve (5) is located between the rotor assembly (4) and the stator assembly (6). The impeller (3) is connected to the end of the rotor assembly (4) and is located inside the pump housing (1). A water-proof plate (51) is provided on the water-proof sleeve (5), and a water inlet hole (52) is provided on the water-proof plate (51). There is a gap between the water-proof sleeve (5) and the rotor assembly (4). The rotor assembly (4) includes a rotor shaft (41) and a rotor core (42). The rotor core (42) is connected to the rotor shaft (41), and the rotor shaft (41) has a water outlet channel (43). The water outlet channel (43) is connected to the liquid channel (53). The liquid enters from the water inlet (52) of the baffle plate (51), passes through the liquid channel (53) and the water outlet channel (43), and enters the water pump housing (1) to complete the cooling of the rotor assembly (4) and the stator assembly (6).

2. The circulating water cooling pump structure according to claim 1, characterized in that: The water baffle (51) has a recessed portion at its middle end, which is positioned toward the rotor assembly (4), and the water inlet (52) is located in the recessed portion of the water baffle (51).

3. The circulating water cooling pump structure according to claim 2, characterized in that: The impeller (3) has a drain hole (31) on the side near the baffle plate (51).

4. The circulating water cooling pump structure according to claim 3, characterized in that: There are two drainage holes (31), which are evenly distributed on the impeller (3).

5. The circulating water cooling pump structure according to claim 1, 2, 3, or 4, characterized in that: A water cooling tank (21) is provided on the motor housing (2).

6. The circulating water cooling pump structure according to claim 5, characterized in that: The water cooling tank (21) is arranged around the outer periphery of the stator assembly (6).

7. The circulating water cooling pump structure according to claim 5, characterized in that: The water inlet (52) has an arc-shaped groove structure.

8. The circulating water cooling pump structure according to claim 7, characterized in that: There are four water inlets (52).

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