Vertical shaft air-out waterproof motor

Abstract

The utility model discloses a vertical shaft air-out waterproof motor, which comprises a motor shaft and a motor magnetic conductive sleeve sleeved on the periphery of the motor shaft, and an upper bearing and a lower bearing which are vertically distributed at an interval are respectively arranged between the motor magnetic conductive sleeve and the motor shaft; the motor shaft penetrates through the motor shell and then extends upwards to be fixedly installed and connected with the movable impeller. The motor shell and the movable impeller are in clearance fit, the motor shell is provided with a first groove, so that an installation cavity is formed among the motor shell, the motor shaft and the movable impeller, a metal sealing sleeve connected to the periphery of the motor shaft in a sleeving mode is arranged in the installation cavity, and a first sealing cavity is formed among the metal sealing sleeve, the motor shell and the motor shaft. The first sealing cavity is filled with sealing grease; according to the utility model, water vapor is prevented from entering the motor through the bearing end close to the movable impeller, the waterproof performance of the vertical shaft air outlet motor is improved, the service life of the vertical shaft fan is prolonged, and the use scene of the motor is widened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vertical shaft air outlet motor structure field, concretely relates to a vertical shaft air outlet waterproof motor. BACKGROUND

[0002] In the working environment containing water vapor (such as clean environment), the failure reason of vertical shaft air outlet fan product mostly comes from: the motor in fan is located at the sealing failure of both end bearings, water vapor is easy to enter the inside of fan motor through the bearing end, especially water vapor is easy to enter the inside of motor through the bearing end close to the moving impeller, finally leads to the vertical shaft fan to be easy to fail.

[0003] Therefore, the applicant hopes to seek technical scheme to solve the above technical problems. SUMMARY

[0004] Therefore, the utility model discloses a vertical shaft air outlet waterproof motor, prevents water vapor from entering the inside of motor through the bearing end close to the moving impeller, improves the waterproof performance of vertical shaft air outlet motor, improves the service life of the vertical shaft fan of application simultaneously, and widens the use scene of motor.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A vertical shaft air outlet waterproof motor, including motor shaft and motor magnetism sleeve pipe that is sleeved on the outer periphery of motor shaft, upper bearing and lower bearing that are spaced apart up and down are respectively installed between motor magnetism sleeve pipe and motor shaft, wherein,

[0007] The motor shaft extends upwards and is fixedly installed and connected with the moving impeller after penetrating through the motor shell;

[0008] The motor shell and the moving impeller adopt gap fit, and the motor shell is provided with first recess, so that installation cavity is formed between the motor shell, motor shaft and moving impeller, metal sealing sleeve that is sleeved on the outer periphery of motor shaft is arranged in the installation cavity, first sealing cavity is formed between the metal sealing sleeve and motor shell, motor shaft, and the first sealing cavity is filled with sealing grease.

[0009] Preferably, the outer surface of the motor shell close to the moving impeller is provided with one or more waterproof raised rib rings.

[0010] Preferably, the metal sealing sleeve is fixedly bonded to the inner wall surface of the first recess through sealing glue.

[0011] Preferably, the motor shell is provided with second recess, second sealing cavity is formed between the second recess and the upper end portion of the motor magnetism sleeve pipe, and the second sealing cavity is filled with sealing grease.

[0012] Preferably, the second groove is matched with the upper end of the motor magnetic conductive sleeve to form a labyrinth structure, wherein the second sealing cavity is extruded when the motor magnetic conductive sleeve is assembled, so that the sealing grease is uniformly filled in the labyrinth structure.

[0013] Preferably, the lower bearing is matched with the lower bearing in a sealing manner; and the lower end of the motor shaft extends to the outside through the rotor shell.

[0014] Preferably, the lower bearing is provided with an embedded groove, and the lower bearing is matched with the embedded groove in an embedded sealing manner.

[0015] Preferably, the inner wall surface of the embedded groove is provided with a plurality of convex rib rings distributed at intervals, so as to form a gap between the lower bearing and the embedded groove, and the gap is filled with sealing grease.

[0016] Preferably, the metal sealing sleeve is installed in a reverse buckling manner and in a gap matching manner on the outer periphery of the motor shaft.

[0017] Preferably, the metal sealing sleeve is an aluminum part.

[0018] The utility model firstly proposes that the motor shell is provided with a groove structure, so that an installation cavity is formed between the motor shell, the motor shaft and the impeller, then a metal sealing sleeve is arranged on the outer periphery of the motor shaft in the installation cavity, the metal sealing sleeve forms a sealing cavity with the motor shell and the motor shaft, the sealing cavity is filled with sealing grease, water vapor entering the motor through the bearing end close to the impeller is prevented, the waterproof performance of the vertical shaft air outlet motor is improved, the service life of the vertical shaft air fan is improved, and the use scene of the motor is widened. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the external structure schematic diagram of the vertical shaft air outlet waterproof motor in the embodiment of the utility model;

[0020] Figure 2 is the structure schematic diagram of Figure 1 after rotating a certain angle;

[0021] Figure 3 is the structure schematic diagram of Figure 2 the sectional view in the E-E direction;

[0022] Figure 4 is the structure schematic diagram of Figure 3 the enlarged view of the structure at AA in the figure;

[0023] Figure 5 is the structure schematic diagram of the motor magnetic conductive sleeve in the embodiment of the utility model. EMBODIMENT

[0024] The utility model discloses a vertical shaft air -out waterproof motor, including motor shaft, and the motor magnetism sleeve pipe of sleeveing in the outer periphery of motor shaft, and the upper bearing and lower bearing of being up and down interval distribution are installed between motor magnetism sleeve pipe and motor shaft respectively, wherein, the motor shaft is fixedly installed and is connected after the motor casing and is extended upwards, and the dynamic vane is fixedly installed and is connected, motor casing and dynamic vane adopt clearance fit between, and motor casing is equipped with the first recess, so that the installation cavity is formed between motor casing, motor shaft and dynamic vane, and the metal sealing sleeve of sleeveing in the outer periphery of motor shaft is equipped in the installation cavity, and the first sealed cavity is formed between metal sealing sleeve and motor casing, motor shaft, and the first sealed cavity is filled with sealing grease.

[0025] In order to make the personnel in the technical field better understand the technical scheme in the utility model, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And combine Figure 5 It is shown that a vertical shaft air -out waterproof motor 1, including motor shaft 10, and the motor magnetism sleeve pipe 20 of sleeveing in the outer periphery of motor shaft 10, the upper bearing 31 and lower bearing 32 of being up and down interval distribution are installed between motor magnetism sleeve pipe 20 and motor shaft 10, in this embodiment, the stator assembly 40 of motor 1 is located at the outer periphery of motor magnetism sleeve pipe 20, the rotor assembly 50 (including rotor casing 51) of motor 1 is located at the outer periphery of stator assembly 40,

[0027] In this embodiment, the motor shaft 10 is fixedly installed and is connected after the motor casing 60 and is extended upwards with dynamic vane 70, motor casing 60 and dynamic vane 70 adopt clearance fit between, and motor casing 60 is equipped with the first recess 61, so that the installation cavity 81 is formed between motor casing 60, motor shaft 10 and dynamic vane 70, the metal sealing sleeve 82 of sleeveing in the outer periphery of motor shaft 10 is equipped in the installation cavity 81, and the first sealed cavity 83 is formed between metal sealing sleeve 82 and motor casing 60, motor shaft 10, and the first sealed cavity 83 is filled with sealing grease (not shown in the figure).

[0028] Preferably, in the present embodiment, one or more waterproof raised rib rings 84 are arranged on the outer surface of the motor housing 60 close to the impeller 70; more preferably, in the present embodiment, two waterproof raised rib rings 84 are arranged on the outer surface of the motor housing 60 close to the impeller 70 in a spaced distribution.

[0029] Preferably, in the present embodiment, in order to ensure the sealing effect and service life of the metal sealing sleeve 82, the metal sealing sleeve 82 is installed in a reverse-docking and clearance-fit manner on the outer periphery of the motor shaft 10; the metal sealing sleeve 82 is an aluminum part, which can be a cast aluminum part or an aluminum machined part.

[0030] Preferably, in order to facilitate quick and stable installation, in the present embodiment, the metal sealing sleeve 82 is fixedly bonded to the inner wall surface of the first groove 61 by sealing glue.

[0031] Preferably, in order to further ensure the sealing installation effect of the motor 1, in the present embodiment, the motor housing 60 is provided with a second groove 62, and a second sealing cavity 85 is formed between the second groove 62 and the upper end of the motor magnetic guide sleeve 20, and the second sealing cavity 85 is filled with sealing grease (not shown in the figure); further preferably, in the present embodiment, the groove opening of the second groove 62 and the upper end of the motor magnetic guide sleeve 20 correspondingly form a labyrinth structure (not shown in the figure), wherein the second sealing cavity 85 is extruded when the motor magnetic guide sleeve 20 is assembled, so that the sealing grease uniformly fills the labyrinth structure; further preventing water vapor from entering the interior of the motor 1 through the upper bearing 31;

[0032] Preferably, in order to further ensure the sealing installation effect of the motor 1, in the present embodiment, the lower bearing 32 is sealingly matched with the lower end of the motor magnetic guide sleeve 20; and the lower end of the motor shaft 10 extends outwardly through the rotor housing 60; further preferably, in the present embodiment, the lower end of the motor magnetic guide sleeve 20 is provided with an embedded groove 21, and the lower bearing 32 is sealingly matched with the embedded groove 21 to prevent water vapor from entering the interior of the motor 1 through the lower bearing 32; further preferably, in the present embodiment, the inner wall surface of the embedded groove 21 is provided with a plurality of raised rib rings 21a arranged in a spaced distribution, so that an air gap is formed between the lower bearing 32 and the embedded groove 21, and the air gap is filled with sealing grease (not shown in the figure).

[0033] The embodiment first proposes that the first groove 61 structure is arranged on the motor shell 60, so that the installation cavity 81 is formed between the motor shell 60, the motor shaft 10 and the dynamic vane 70, then the metal sealing sleeve 82 is arranged in the installation cavity 81 and is sleeved on the outer periphery of the motor shaft 10, the first sealing cavity 83 is formed between the metal sealing sleeve 82 and the motor shell 60 and the motor shaft 10, the first sealing cavity 83 is filled with sealing grease, water vapor entering the inside of the motor 1 through the upper bearing 31 end close to the dynamic vane 70 is effectively prevented, the waterproof performance of the vertical shaft air outlet motor 1 is improved, the service life of the vertical shaft fan is improved, and the use scene of the motor 1 is widened.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0035] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A vertical shaft-discharge waterproof motor, characterized in that, The device includes a motor shaft and a magnetic sleeve fitted around the outer circumference of the motor shaft. An upper bearing and a lower bearing, spaced vertically apart, are respectively installed between the magnetic sleeve and the motor shaft. The motor shaft passes through the motor housing and extends upward to be fixedly connected to the moving impeller. The motor housing and the impeller are fitted with a clearance fit, and the motor housing is provided with a first groove, so that the motor housing, the motor shaft and the impeller form an installation cavity. A metal sealing sleeve is provided in the installation cavity and fitted on the outer periphery of the motor shaft. The metal sealing sleeve, the motor housing and the motor shaft form a first sealing cavity, and the first sealing cavity is filled with sealing grease.

2. The vertical shaft-discharge waterproof motor according to claim 1, characterized in that, One or more waterproof raised ribs are provided on the outer surface of the motor housing near the moving impeller.

3. The vertical shaft-discharge waterproof motor according to claim 1, characterized in that, The metal sealing sleeve is fixedly bonded to the inner wall of the first groove with sealant.

4. The vertical shaft-discharge waterproof motor according to claim 1, characterized in that, The motor housing is provided with a second groove, and a second sealed cavity is formed between the second groove and the upper end of the motor magnetic sleeve, and the second sealed cavity is filled with sealing grease.

5. The vertical shaft-discharge waterproof motor according to claim 4, characterized in that, The groove of the second groove corresponds to the upper end of the motor magnetic sleeve to form a labyrinth structure. When assembling the motor magnetic sleeve, the second sealing cavity is squeezed so that the sealing grease is evenly filled into the labyrinth structure.

6. The vertical shaft-exhaust waterproof motor according to claim 1, characterized in that, The lower bearing is sealed to the lower bearing; and the lower end of the motor shaft extends outward through the rotor housing.

7. The vertical shaft-discharge waterproof motor according to claim 6, characterized in that, The lower bearing is provided with an embedding groove, and the lower bearing is fitted and sealed in accordance with the embedding groove.

8. The vertical shaft-discharge waterproof motor according to claim 7, characterized in that, The inner wall of the mounting groove is provided with several spaced convex rib rings, which form a gap between the groove and the lower bearing, and the gap is filled with sealing grease.

9. The vertical shaft-exhaust waterproof motor according to claim 1, characterized in that, The metal sealing sleeve is installed on the outer periphery of the motor shaft in an inverted, clearance fit configuration.

10. The vertical shaft-discharge waterproof motor according to claim 1, characterized in that, The metal sealing sleeve is made of aluminum.

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