CN219960270U - Direct-current water-beating motor with waterproof structure - Google Patents

Abstract

The utility model discloses a direct current water-proofing motor with a waterproof structure, which comprises a motor shell, wherein a stator and a rotor are arranged in the motor shell, the rotor is arranged in a rotating way relative to the stator, the rotor is connected with a rotating shaft, the upper end surface of the motor shell is provided with a shaft hole, the rotating shaft upwards penetrates through the shaft hole to extend to the outer side of the motor shell, and a waterproof cover is sleeved on the rotating shaft above the motor shell. According to the utility model, the waterproof cover is arranged, so that water can be blocked above the shaft hole, and the water source is reduced from directly contacting the shaft hole, so that the possibility that the water source permeates into the motor from the shaft hole is reduced, the waterproof effect is improved, and the possibility of damage to the motor is reduced.

Description

Direct-current water-beating motor with waterproof structure

Technical Field

The utility model relates to a direct current water-beating motor with a waterproof structure.

Background

The prior art is like chinese patent application publication, and publication No. CN112737179a, discloses a direct current external rotor motor support and motor that beats water, and direct current external rotor motor that beats water includes the motor support, be equipped with the support inside groove in the motor support, be equipped with the erection column in the support inside groove, be equipped with the mounting hole in the erection column, be equipped with the atress boss in the mounting hole, atress boss both ends all are equipped with oiliness bearing, be equipped with the motor pivot in the oiliness bearing jointly, be equipped with the circuit board in the support inside groove, circuit board one side is equipped with insulating frame and stator upper insulator frame down, be equipped with the stator between insulating frame and the stator upper insulator frame down, insulating frame and stator outside are equipped with annular magnetic ring down on the stator, annular magnetic ring outside is equipped with the rotor iron shell, be equipped with the rotor plastic shell outward on the rotor iron shell. The motor support structure is reliable, the poor quality of high coaxiality of the bearing in the motor assembly process can be effectively reduced, the stability is high, the motor lubrication effect is good, the friction damage of a motor rotating shaft is effectively reduced, the rotation flatness is good, and the running noise is reduced.

The existing direct current water-beating motor does not have a waterproof structure at the uppermost part of the first mounting hole. When the motor without the waterproof structure is applied to environments with water sources, the external water sources can easily enter the motor from the position between the first mounting hole and the motor rotating shaft, so that the motor is damaged.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the direct current water-beating motor with the waterproof structure.

According to the direct current motor of fetching water with waterproof construction of this purpose design, including motor housing, be equipped with stator and rotor in the motor housing, the rotor is relative the stator rotates the setting, the rotor is connected with the pivot, be equipped with the shaft hole on the up end of motor housing, the pivot upwards passes the shaft hole extends to the motor housing outside the cover is equipped with the buckler in the pivot of motor housing top.

Preferably, the upper end face of the motor housing is provided with an upward extending annular protruding portion, the annular protruding portion and the shaft hole are coaxially arranged, a bearing is arranged in the annular protruding portion, and the waterproof cover is sleeved on a rotating shaft above the annular protruding portion.

Preferably, the upper part of the annular protruding part is further provided with a flange, the rotating shaft above the flange is sleeved with a graphene gasket, the rotating shaft above the graphene gasket is clamped with a clamp spring, and the lower end face of the graphene gasket is attached to the annular protruding part and the upper end face of the flange.

Preferably, the rotating shaft is provided with a ring-shaped clamping groove, and the waterproof cover is embedded in the ring-shaped clamping groove.

Preferably, the motor housing is composed of an upper housing and a lower housing, and a sealing ring is arranged between the upper housing and the lower housing.

Preferably, a ring-shaped groove is formed in the inner wall of the lower portion of the upper shell, a connecting ring extending upwards into the ring-shaped groove is arranged on the lower shell, the ring-shaped groove is detachably connected with the connecting ring, and the sealing ring is arranged in the ring-shaped groove.

Preferably, the upper part of the connecting ring is uniformly provided with a plurality of rotary clamping blocks along the circumference thereof, the annular groove is uniformly provided with a plurality of locking blocks along the circumference thereof, a locking space is arranged above the locking blocks, a longitudinal space is arranged in the annular groove at one side of the locking blocks, and the rotary clamping blocks penetrate through the longitudinal space and are screwed into the locking space.

Preferably, a positioning groove is formed in the upper end face of the locking block, and a positioning block embedded into the positioning groove is arranged on the lower end face of the rotary clamping block.

The waterproof cover has the advantages that the structure is simple and reasonable, the waterproof cover can prevent a water source from entering the motor from the position of the shaft hole, and compared with the prior art, the waterproof cover is sleeved on the rotating shaft above the motor shell. According to the utility model, the waterproof cover is arranged, so that water can be blocked above the shaft hole, and the water source is reduced from directly contacting the shaft hole, so that the possibility that the water source permeates into the motor from the shaft hole is reduced, the waterproof effect is improved, and the possibility of damage to the motor is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is an exploded view of the motor housing according to the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-4, a direct current water-proofing motor with a waterproof structure comprises a motor housing 80, wherein a stator 30 and a rotor 40 are arranged in the motor housing 80, the rotor 40 is rotatably arranged relative to the stator 30, the rotor 40 is connected with a rotating shaft 50, a shaft hole 800 is arranged on the upper end surface of the motor housing 80, the rotating shaft 50 upwards penetrates through the shaft hole 800 to extend to the outer side of the motor housing 80, and a waterproof cover 60 is sleeved on the rotating shaft 50 above the motor housing 80.

According to the utility model, the waterproof cover is arranged, so that water can be blocked above the shaft hole, and the water source is reduced from directly contacting the shaft hole, so that the possibility that the water source permeates into the motor from the shaft hole is reduced, the waterproof effect is improved, and the possibility of damage to the motor is reduced.

Specifically, referring to fig. 2, an upward extending annular protrusion 230 is disposed on an upper end surface of the motor housing 80, the annular protrusion 230 and the shaft hole 800 are coaxially disposed, a bearing 810 is disposed in the annular protrusion 230, and the waterproof cover 60 is sleeved on the rotating shaft 50 above the annular protrusion 230.

The annular protrusion 230 is provided to be flat with respect to the upper end surface of the conventional motor housing 80, and has a function of blocking water penetration and preventing water.

Specifically, referring to fig. 2, a flange 240 is further provided at the upper portion of the annular protruding portion 230, a graphene gasket 250 is sleeved on the rotating shaft 50 above the flange 240, a clamp spring 260 is clamped on the rotating shaft 50 above the graphene gasket 250, and the lower end surface of the graphene gasket 250 is attached to the annular protruding portion 230 and the upper end surface of the flange 240.

The graphene gasket 250 can further play roles in water resistance and water blocking, and is made of graphene materials and has good wear resistance.

Specifically, referring to fig. 2, the rotating shaft 50 is provided with a ring-shaped slot 510, and the waterproof cover 60 is embedded in the ring-shaped slot 510. The annular clip groove 510 can limit the position of the waterproof cover 60 to avoid up and down movement during use.

Specifically, the motor housing 80 is composed of an upper housing 10 and a lower housing 20, and a sealing ring 70 is disposed between the upper housing 10 and the lower housing 20.

Specifically, referring to fig. 2, an annular groove 100 is formed in the inner wall of the lower portion of the upper housing 10, a connection ring 200 extending upward into the annular groove 100 is formed in the lower housing 20, the annular groove 100 is detachably connected with the connection ring 200, and the seal ring 70 is disposed in the annular groove 100.

Specifically, referring to fig. 2 to 4, a plurality of rotating clamping blocks 210 are uniformly distributed on the upper portion of the connecting ring 200 along the circumference thereof, a plurality of locking blocks 110 are uniformly distributed in the annular groove 100 along the circumference thereof, a locking space 130 is provided above the locking blocks 110, a longitudinal space 120 is provided in the annular groove 100 at one side of the locking blocks 110, and the rotating clamping blocks 210 are screwed into the locking space 130 through the longitudinal space 120.

Further, referring to fig. 4, a positioning groove 140 is provided on an upper end surface of the locking block 110, and a positioning block 220 embedded in the positioning groove 140 is provided on a lower end surface of the rotating clamping block 210.

When assembling, the sealing ring 70 is first sleeved on the outer wall of the connecting ring 200, the sealing ring 70 is attached to the upper end surface of the lower housing 20, then the connecting ring 200 is embedded into the annular groove 100, in this process, the rotating clamping block 210 passes through the longitudinal space 120 to reach the uppermost part of the longitudinal space 120, and then the rotating clamping block 210 is screwed into the locking space 130 by rotating the lower housing 20. During the screwing process, the positioning block 220 is embedded into the positioning groove 140, so as to complete locking. The utility model adopts the rotary clamping mode to assemble the upper shell 10 and the lower shell 20, and simultaneously, the sealing ring is arranged between the upper shell and the lower shell, thereby ensuring the tightness while achieving rapid assembly.

What is not described in detail in this specification is prior art known to those skilled in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a direct current motor of fetching water with waterproof construction, includes motor housing (80), be equipped with stator (30) and rotor (40) in motor housing (80), rotor (40) are relative stator (30) rotate and set up, rotor (40) are connected with pivot (50), be equipped with shaft hole (800) on the up end of motor housing (80), pivot (50) upwards pass shaft hole (800) extend to motor housing (80) outside, its characterized in that: a waterproof cover (60) is sleeved on the rotating shaft (50) above the motor shell (80).

2. A direct current water supply motor having a waterproof structure as claimed in claim 1, wherein: the motor is characterized in that an upward extending annular protruding portion (230) is arranged on the upper end face of the motor shell (80), the annular protruding portion (230) and the shaft hole (800) are arranged coaxially, a bearing (810) is arranged in the annular protruding portion (230), and the waterproof cover (60) is sleeved on the rotating shaft (50) above the annular protruding portion (230).

3. A direct current water supply motor having a waterproof structure as claimed in claim 2, wherein: the upper portion of annular bellying (230) still is equipped with flange (240), pivot (50) cover of flange (240) top is equipped with graphite alkene packing ring (250), joint has jump ring (260) on pivot (50) of graphite alkene packing ring (250) top, the lower terminal surface of graphite alkene packing ring (250) with the laminating of the up end of annular bellying (230) and flange (240).

4. A direct current watering motor having a waterproof structure according to any one of claims 1 to 3, characterized in that: the rotating shaft (50) is provided with a ring-shaped clamping groove (510), and the waterproof cover (60) is embedded into the ring-shaped clamping groove (510).

5. A direct current watering motor having a waterproof structure according to any one of claims 1 to 3, characterized in that: the motor shell (80) consists of an upper shell (10) and a lower shell (20), and a sealing ring (70) is arranged between the upper shell (10) and the lower shell (20).

6. The direct current water supply motor with a waterproof structure according to claim 5, wherein: the lower part inner wall of the upper shell (10) is provided with a ring-shaped groove (100), the lower shell (20) is provided with a connecting ring (200) extending upwards into the ring-shaped groove (100), the ring-shaped groove (100) is detachably connected with the connecting ring (200), and the sealing ring (70) is arranged in the ring-shaped groove (100).

7. The direct current water supply motor having a waterproof structure according to claim 6, wherein: the upper portion of go-between (200) has a plurality of rotatory fixture blocks (210) along its circumference equipartition, a plurality of locking piece (110) have along its circumference equipartition in annular groove (100), locking piece (110) top has locking space (130), have longitudinal space (120) in annular groove (100) of locking piece (110) one side, rotatory fixture blocks (210) pass longitudinal space (120) screw in to in locking space (130).

8. The direct current water supply motor having a waterproof structure according to claim 7, wherein: the upper end face of the locking block (110) is provided with a positioning groove (140), and the lower end face of the rotary clamping block (210) is provided with a positioning block (220) embedded into the positioning groove (140).