Motor waterproof structure and vertical motor product

By setting a water receiving trough, annular groove and water flow channel in the motor waterproof structure, the waterproof problem of the dual-output motor is solved, the vertical motor product is effectively waterproofed, and the risk of water stains entering the interior of the motor is avoided.

CN223414693UActive Publication Date: 2025-10-03SHENZHEN GERONG ELECTRICAL APPLIANCE CO LTD
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Patent Information

Application Number
CN202422838689.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-03
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

In the prior art, dual-output motors are prone to short circuit or electric leakage when water or juice leaks into them, and existing waterproof structures cannot effectively solve this problem.

Method used

A waterproof structure for a motor was designed, including a fixed bracket, an inner gear ring, a transmission mechanism, and a coupling. A water receiving trough was set on one side of the fixed bracket, an annular groove and a notch were provided on the top of the inner gear ring, and a rain cover was provided on the coupling. The annular groove and the water flow channel were used to guide water stains into the water receiving trough, thereby realizing internal circulation, water storage, and discharge of water stains.

Benefits of technology

It achieves effective waterproofing effect for single-output or dual-output motors. It has a simple structure and is suitable for vertical motor products such as juicers, food processors, blenders and wall breakers to prevent water stains from entering the motor and avoid short circuit or leakage accidents.

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Abstract

The utility model relates to the technical field of vertical motor type products, in particular to a motor waterproof structure and a vertical motor type product. According to the motor waterproof structure, a water receiving groove is formed in one side of a fixing support, and a first annular groove with a first notch is formed in the top of an inner gear ring; the circular groove used for storing water is formed in the middle of the fixing support, the water flowing channel is formed in the circular groove, and the water in the middle flows into the water receiving groove from the water flowing channel through the circular groove through internal circulation, so that the waterproof effect is achieved, the structure is simple, use is convenient, and practicability is high. The motor is suitable for single-output or double-output motors, and can be widely applied to vertical motor products such as juicers, food processers, stirrers, wall breaking machines and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of vertical motor products, in particular to a motor waterproof structure and a vertical motor product. Background Art

[0002] In recent years, with the continuous development of the home appliance industry, small appliances have become an indispensable part of people's lives. Common small appliances such as juicers, food processors, blenders, and blenders all use vertically mounted motors to blend or break food within their containers. If the container accidentally leaks, the water or juice can leak directly into the motor from the bottom of the container, causing unsafe accidents such as short circuits or electrical leakage.

[0003] Chinese utility model patent application number 202020369340.2 discloses a motor shaft waterproof structure, a main unit, and a food processor. The motor shaft waterproof structure comprises: a main unit housing; a mating hole formed by a downward depression in the top surface of the main unit housing along the axial direction of the motor shaft; a motor shaft mounting hole disposed within the mating hole, through which the output end of the motor shaft passes; a first water retaining ring disposed on the top surface of the main unit housing and distributed along the outer periphery of the mating hole; and a mushroom head assembly, the lower end of which is fixedly connected to the output end of the motor shaft and the upper end of which extends radially outward to shield the first water retaining ring. The first water retaining ring disposed along the outer periphery of the mating hole prevents water from flowing into the main unit housing from the edge of the mating hole. Furthermore, the upper end of the mushroom head assembly extends radially outward to shield the first water retaining ring, preventing water from entering the main unit housing from above the mating hole, thereby achieving a waterproof effect. This patent provides good waterproofing for single-output motors but is not suitable for dual-output motors. Summary of the Invention

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide a motor waterproof structure and a vertical motor product.

[0005] The purpose of the utility model is achieved through the following technical solutions: a motor waterproof structure, comprising a fixed bracket installed on the top of the motor, an inner gear ring fixed on the top of the fixed bracket, a transmission mechanism installed inside the inner gear ring and a coupling installed in the middle of the top of the inner gear ring, the output shaft of the motor passes upward through the fixed bracket and is connected to the coupling through the transmission mechanism, a water receiving groove is provided on one side of the fixed bracket, a first annular side wall is protruded upward on the top outer edge of the inner gear ring, a first annular groove for storing water is formed between the first annular side wall and the outer side wall of the coupling, a first notch is provided on the first annular side wall corresponding to the position of the water receiving groove, a circular groove for storing water is provided in the middle of the fixed bracket, and a water flow channel connected to the water receiving groove is provided in the circular groove corresponding to the position of the water receiving groove.

[0006] Furthermore, an internal hollow annular boss is fixed to the outer edge of the bottom of the inner gear ring, the bottom of the annular boss is fixed to the top of the fixed bracket, and a second annular side wall is protruding upward from the outer edge of the top of the annular boss. A second annular groove for storing water is formed between the second annular side wall and the outer wall of the inner gear ring, and a second notch is opened on the second annular side wall corresponding to the position of the water receiving trough.

[0007] Furthermore, an annular protrusion is provided on the inner edge of the top of the inner gear ring.

[0008] Furthermore, the coupling includes an inner coupling and an outer coupling sleeved outside the inner coupling, the top of the output shaft of the motor is fixedly connected to the inner coupling, and the output shaft of the motor is transmission-connected to the outer coupling through the transmission mechanism.

[0009] Furthermore, the output shaft of the motor is sleeved with a rain shield inside the inner gear ring, and the rain shield includes a cylindrical portion sleeved on the motor output shaft and an annular rain shield fixed on the top of the cylindrical portion, and the top surface of the annular rain shield is inclined.

[0010] Furthermore, the bottom surface of the water flow channel is inclined, and the bottom surface of the first annular groove is inclined.

[0011] Furthermore, the bottom of the water receiving trough is connected to a sewer pipe.

[0012] Another object of the present invention is achieved through the following technical solution: a vertical motor product, comprising the motor waterproof structure described above.

[0013] The beneficial effects of the present invention are as follows: the motor waterproof structure of the present invention is achieved by arranging a water receiving groove on one side of the fixed bracket, and adopting a first annular groove with a first notch on the top of the inner ring gear, and the external water stains flow into the water receiving groove from the first notch through the first annular groove; by opening a circular groove for storing water in the middle part of the fixed bracket, and opening a water flow channel in the circular groove, the water stains in the middle flow into the water receiving groove from the water flow channel through the circular groove by internal circulation, thereby achieving a waterproof effect; the structure is simple, and it is easy to use; it is suitable for single-output or dual-output motors, and can be widely used in vertical motor products such as juicers, food processors, blenders and wall breakers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the present utility model.

[0015] Figure 2 It is a top view of the present utility model.

[0016] Figure 3 It is a three-dimensional exploded view of the present utility model.

[0017] Figure 4 It is a cross-sectional view of the present utility model.

[0018] Figure 5 It is a three-dimensional diagram of the transmission mechanism and coupling of the present utility model.

[0019] Figure 6 It is a three-dimensional exploded view of the transmission mechanism and coupling of the utility model.

[0020] Figure 7 It is a three-dimensional diagram of the fixing bracket of the utility model.

[0021] Figure 8 It is a three-dimensional diagram of the external coupling of the present utility model.

[0022] The figures are marked as follows: motor 1, output shaft 11, external thread 111, fixed bracket 2, water receiving trough 21, circular groove 22, water flow channel 23, downpipe 24, inner ring gear 3, first annular side wall 31, first annular groove 32, first notch 33, annular boss 34, second annular side wall 35, second annular groove 36, second notch 37, annular protrusion 38, transmission mechanism 4, sun gear 41, planetary gear 42, coupling 5, inner coupling 51, mounting cap 511, outer coupling 52, first mounting column 521, annular protrusion 523, annular brim 524, first gasket 525, first rotating groove 522, turntable 53, second mounting column 531, second rotating groove 532, second gasket 533, mounting column 54, screw 541, rotating shaft 55, rain cover 6, cylindrical portion 61, annular rain shield 62. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the following embodiments and accompanying drawings are provided. Figure 1-8 To further illustrate the present invention, the contents mentioned in the implementation manner are not intended to limit the present invention.

[0024] See Figure 1-8A motor waterproof structure includes a fixed bracket 2 installed on the top of the motor 1, an inner gear ring 3 fixed to the top of the fixed bracket 2, a transmission mechanism 4 installed inside the inner gear ring 3, and a coupling 5 installed in the middle of the top of the inner gear ring 3. The output shaft 11 of the motor 1 passes upward through the fixed bracket 2 and is connected to the coupling 5 through the transmission mechanism 4. A water receiving groove 21 is provided on one side of the fixed bracket 2. A first annular side wall 31 is protruded upward on the outer edge of the top of the inner gear ring 3. A first annular groove 32 for storing water is formed between the first annular side wall 31 and the outer wall of the coupling 5. A first notch 33 is provided on the first annular side wall 31 at a position corresponding to the water receiving groove 21. A circular groove 22 for storing water is provided in the middle of the fixed bracket 2. A water flow channel 23 connected to the water receiving groove 21 is provided in the circular groove 22 at a position corresponding to the water receiving groove 21.

[0025] The motor waterproof structure of the present invention is achieved by arranging a water receiving groove 21 on one side of the fixed bracket 2, and adopting a first annular groove 32 with a first notch 33 on the top of the inner ring 3. External water stains flow into the water receiving groove 21 from the first notch 33 through the first annular groove 32. A circular groove 22 for storing water is opened in the middle of the fixed bracket 2, and a water flow channel 23 is opened in the circular groove 22. The water stains in the middle circulate internally through the circular groove 22 and flow into the water receiving groove 21 from the water flow channel 23, thereby achieving a waterproof effect. The utility model has a simple structure and is easy to use. It is suitable for single-output or dual-output motors and can be widely used in vertical motor products such as juicers, food processors, blenders and wall breakers.

[0026] In this embodiment, a hollow annular boss 34 is fixed to the bottom outer edge of the inner gear ring 3. The bottom of the annular boss 34 is fixed to the top of the fixed bracket 2. A second annular sidewall 35 is protruding upward from the top outer edge of the annular boss 34. A second annular groove 36 for storing water is formed between the second annular sidewall 35 and the outer wall of the inner gear ring 3. A second notch 37 is provided on the second annular sidewall 35 at a position corresponding to the water receiving trough 21. Specifically, the annular boss 34 is integrally formed with the inner gear ring 3. By adopting the second annular groove 36 and the second notch 37, external water stains can also flow into the water receiving trough 21 through the second annular groove and the second notch 37, thereby enhancing the waterproof effect.

[0027] In this embodiment, an annular protrusion 38 is provided on the inner edge of the top of the inner gear ring 3. The provision of the annular protrusion 38 can reduce the flow of water stains into the inner gear ring 3.

[0028] In this embodiment, the coupling 5 includes an inner coupling 51 and an outer coupling 52 sleeved on the outside of the inner coupling 51. The top of the output shaft 11 of the motor 1 is fixedly connected to the inner coupling 51, and the output shaft 11 of the motor 1 is transmission-connected to the outer coupling 52 via the transmission mechanism 4. Specifically, a turntable 53 is rotatably connected in the circular groove 22. The turntable 53 and the outer coupling 52 are fixedly connected via a plurality of mounting posts 54. A plurality of rotating shafts 55 are evenly distributed between the turntable 53 and the outer coupling 52. The transmission mechanism 4 includes a sun gear 41 sleeved on the output shaft 11 of the motor 1 and a plurality of planetary gears 42 sleeved on each rotating shaft 55. The inner sides of the plurality of planetary gears 42 are respectively meshed with the sun gear 41, and the outer sides of the plurality of planetary gears 42 are respectively meshed with the inner side of the inner gear ring 3.

[0029] A mounting cap 511 is fixed inside the inner coupling 51. An internal thread (not shown) is formed on the inner side of the mounting cap 511. An external thread 111 is formed on the top of the output shaft 11 of the motor 1. The top of the output shaft 11 of the motor 1 is screwed into the mounting cap 511. The above structure facilitates the installation and fixation of the inner coupling 51.

[0030] The mounting posts 54 include a plurality of first mounting posts 521 arranged in an annular array at the bottom of the outer coupling 52 and a plurality of second mounting posts 531 arranged in an annular array at the top of the turntable 53. The first mounting posts 521 and the second mounting posts 531 are fixedly connected by screws 541. The above-described structure facilitates the assembly of the outer coupling 52 and the turntable 53 to form a planetary gear carrier.

[0031] The outer coupling 52 has a plurality of first rotation slots 522 in a circular array at its bottom. A second rotation slot 532 is defined at the top of the turntable 53, corresponding to each first rotation slot 522. The tops of the plurality of rotation shafts 55 are rotationally connected to corresponding first rotation slots 522, while the bottoms of the plurality of rotation shafts 55 are rotationally connected to corresponding second rotation slots 532. This arrangement facilitates the rotation of the planetary gears 42, thereby driving the rotation of the planetary gear carrier formed by the outer coupling 52 and the turntable 53. The outer coupling 52 reduces the rotational speed and amplifies the torque output.

[0032] An annular projection 523 is fixed to the bottom outer wall of the outer coupling 52, and the outer side of the annular projection 523 abuts against the top inner edge of the inner gear ring 3. The provision of the annular projection 523 facilitates the assembly of the outer coupling 52 and the inner gear ring 3.

[0033] An annular brim 524 is provided on the bottom outer edge of the annular projection 523, and the annular brim 524 abuts against the top inner sidewall of the inner gear ring 3. A first gasket 525 is sandwiched between the annular brim 524 and the top inner sidewall of the inner gear ring 3. The provision of the first gasket 525 facilitates the rotation of the outer coupling 52.

[0034] A second gasket 533 is provided at the connection between the inner side of the bottom of the rotating disk 53 and the circular groove 22. The above structure is provided to facilitate the rotation of the rotating disk 53.

[0035] In this embodiment, a rain shield 6 is sleeved onto the output shaft 11 of the motor 1, corresponding to the interior of the inner ring gear 3. The rain shield 6 comprises a cylindrical portion 61 sleeved onto the output shaft 11 of the motor 1 and an annular rain shield 62 fixed to the top of the cylindrical portion 61. The top surface of the annular rain shield 62 is inclined. The provision of the rain shield 6 prevents water from flowing into the interior of the motor 1 through the gap between the output shaft 11 of the motor 1 and the fixing bracket 2.

[0036] In this embodiment, the bottom surface of the water flow channel 23 is tilted. Specifically, the bottom surface of the water flow channel 23 is tilted from inside to outside and from top to bottom. The above structure is arranged to facilitate the outward flow of water stains.

[0037] In this embodiment, the bottom surface of the first annular groove 32 is tilted. Specifically, the bottom surface of the first annular groove 32 is tilted from inside to outside and from top to bottom. The above structure is arranged to facilitate water stains to flow outward.

[0038] In this embodiment, the bottom of the water receiving trough 21 is connected to a downpipe 24. The downpipe 24 can be connected to a pipeline for collecting water stains.

[0039] A vertical motor product, comprising the motor waterproof structure described above. The vertical motor product referred to in the utility model may be a juicer, a food processor, a blender, a wall-breaking machine, or other vertical motor products having a vertical motor.

[0040] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the scope of protection of the present invention.

Claims

1. A waterproof structure for a motor, comprising a fixed bracket mounted on the top of the motor, an inner gear ring fixed to the top of the fixed bracket, a transmission mechanism mounted inside the inner gear ring, and a coupling mounted in the middle of the top of the inner gear ring, wherein the output shaft of the motor passes upward through the fixed bracket and is connected to the coupling through the transmission mechanism, characterized in that: A water receiving groove is provided on one side of the fixed bracket, and a first annular side wall is protruding upward on the top outer edge of the inner gear ring, and a first annular groove for storing water is formed between the first annular side wall and the outer side wall of the coupling. A first notch is provided on the first annular side wall corresponding to the position of the water receiving groove, and a circular groove for storing water is provided in the middle of the fixed bracket, and a water flow channel connected to the water receiving groove is provided in the position of the circular groove corresponding to the water receiving groove.

2. The motor waterproof structure according to claim 1, characterized in that: An internal hollow annular boss is fixed to the outer edge of the bottom of the inner gear ring, and the bottom of the annular boss is fixed to the top of the fixed bracket. A second annular side wall is protruding upward from the outer edge of the top of the annular boss, and a second annular groove for storing water is formed between the second annular side wall and the outer wall of the inner gear ring. A second notch is opened on the second annular side wall corresponding to the position of the water receiving trough.

3. The motor waterproof structure according to claim 1, characterized in that: An annular protrusion is protruded upward on the inner edge of the top of the inner gear ring.

4. The motor waterproof structure according to claim 1, characterized in that: The coupling comprises an inner coupling and an outer coupling sleeved outside the inner coupling. The top of the output shaft of the motor is fixedly connected to the inner coupling, and the output shaft of the motor is transmission-connected to the outer coupling through the transmission mechanism.

5. The motor waterproof structure according to claim 4, characterized in that: The output shaft of the motor is sleeved with a rain shield inside the inner gear ring. The rain shield includes a cylindrical portion sleeved on the motor output shaft and an annular rain shield fixed on the top of the cylindrical portion. The top surface of the annular rain shield is inclined.

6. The motor waterproof structure according to claim 1, characterized in that: The bottom surface of the water flow channel is inclined, and the bottom surface of the first annular groove is inclined.

7. The motor waterproof structure according to claim 1, characterized in that: The bottom of the water receiving trough is connected with a sewer pipe.

8. A vertical motor product, characterized by: The vertical motor product includes the motor waterproof structure according to any one of claims 1 to 7.

Citation Information

Patent Citations

  • Motor shaft waterproof structure, main machine and food processor

    CN212972767U