Waterproof motor with high waterproofness

Abstract

The utility model discloses a waterproof motor with high waterproofness, which comprises a plastic front shell I, a plastic rear cover I, a middle plate, an injection molding waterproof connector lug, a waterproof bearing and other waterproof sealing structures, the middle plate is embedded in the matching connection part of the plastic front shell I and the plastic rear cover I, and waterproof sealing rings are arranged at the matching parts of the shell. According to the utility model, two waterproof modes are adopted, internal parts of the motor are sealed and protected, waterproof sealing rings are arranged on the matching surfaces of the plastic shells, and the injection molding waterproof heads are arranged when power lines are led out of the shells, so that the waterproof performance of the motor is improved, and the service life of the motor is prolonged. When the rotating shaft penetrates out of the interior of the motor, the waterproof bearing is arranged to achieve the waterproof purpose, waterproof sealing glue is used for improving the overall waterproof effect of the motor at all connecting positions, the protection grade of the motor reaches IP67, and the motor is stably used in the field of household appliances such as air conditioners, refrigerators and ice makers.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor field, concretely is a waterproof motor with high waterproof performance. BACKGROUND

[0002] The motor is used for driving compressor, fan, defrosting system, air door, valve and water pump and other key components in refrigerator and air conditioner, ensures that the equipment is in normal operation, refrigeration effect is uniform, temperature is accurately controlled, and the level of energy efficiency and intelligence is improved, and the motor in air conditioner and refrigerator needs to be waterproof to prevent short circuit, prolong service life, ensure stable operation, meet safety standards and adapt to high humidity environment, and common waterproof measures include sealing design, waterproof coating, waterproof shell and drainage design.

[0003] The waterproof motor grade currently used is basically IP42 and IP44, but since the motor in air conditioner and refrigerator is usually continuously operated, the motor with low waterproof grade can cause a series of problems due to the invasion of water or moisture during long-time operation, such as performance decline, service life shortening, safety hazard, energy efficiency reduction, poor user experience and increased maintenance frequency, and the waterproof motor designed in the patent can reach IP67, so that the above-mentioned situation does not occur during long-time operation, and the purpose of stability, effectiveness and good use effect is achieved. SUMMARY

[0004] The utility model discloses a waterproof motor with high waterproof performance, solves the waterproof grade of motor in prior art is low, and a series of problems can occur due to the invasion of water or moisture.

[0005] To achieve the above-mentioned purpose, a waterproof motor with high waterproof performance is provided, which comprises a plastic front shell one, a plastic rear cover one, a middle plate, a plastic front shell two, a plastic rear cover two and a sealing structure, the connection part of the plastic front shell one and the plastic rear cover one adopts a clamping mode, the connection end of the plastic front shell one and the plastic rear cover one is clamped with the middle plate, the sealing structure comprises a waterproof sealing ring, an injection molding waterproof head and a waterproof head lead, the connection end of the middle plate is fixedly connected with the waterproof sealing ring, and the outer end of the waterproof sealing ring is in contact with the plastic front shell one and the plastic rear cover one, one end of the middle plate extends outward and corresponds to the circular arc extension end of the plastic rear cover one, and the extension end inside the middle plate and the plastic rear cover one is provided with a waterproof head lead.

[0006] According to the waterproof motor with high waterproof performance, the waterproof head lead is provided with an injection molding waterproof head on the inside part of the middle plate and the plastic rear cover one, the injection molding waterproof head is provided with waterproof glue two near the internal cavity connection part of the middle plate and the plastic rear cover one, and the bottom of the middle plate is fixedly connected with an electric control board.

[0007] According to the waterproof motor with high waterproof performance, the gasket is arranged at the cavity position of the control board, the waterproof bearing is arranged in the middle plate, the rotating shaft is arranged at the inner end of the waterproof bearing, the installation plate is fixedly connected to the bottom of the middle plate, the shaft snap spring is arranged at the connecting position of the installation plate and the rotating shaft, the stator core is arranged at the upper end of the middle plate, the magnet is arranged at the outer end of the stator core, the metal rotor shell is arranged at the outer end of the magnet, the waterproof flange is arranged at the upper portion of the plastic front shell one in an interference fit mode, the waterproof bearing is arranged at the connecting position of the waterproof flange and the rotating shaft, and waterproof glue one is coated at the outer end of the waterproof bearing in the waterproof flange.

[0008] According to the waterproof motor with high waterproof performance, the connecting position of the plastic front shell two and the plastic rear cover two is also arranged in a clamping mode, the middle plate is clamped to the inner lower end of the plastic front shell two, the sealing structure also comprises a waterproof sealing ring, an injection-molded waterproof head and a waterproof head lead, and the connecting position of the plastic front shell two and the plastic rear cover two is provided with the waterproof sealing ring.

[0009] According to the waterproof motor with high waterproof performance, the waterproof bearing is arranged in the middle plate, the rotating shaft is arranged at the inner end of the waterproof bearing, the injection-molded waterproof head is arranged at the connecting position of the waterproof head lead and the inner side of the middle plate and the plastic rear cover one, the waterproof glue two is arranged at the connecting position of the injection-molded waterproof head and the inner cavity of the middle plate and the plastic rear cover one, and the control board is fixedly connected to the bottom of the middle plate.

[0010] According to the waterproof motor with high waterproof performance, the stator core is arranged at the upper end of the middle plate, the magnet is arranged at the outer end of the stator core, the metal rotor shell is arranged at the outer end of the magnet, the waterproof flange is arranged at the upper portion of the plastic front shell one in an interference fit mode, the waterproof bearing is arranged at the connecting position of the waterproof flange and the rotating shaft, and waterproof glue one is coated at the outer end of the waterproof bearing in the waterproof flange.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The motor is installed in the two sealingly connected shell bodies through the design of two waterproof structures, the waterproof sealing ring is arranged at the butt joint position of the middle portions of the front shell and the rear cover for sealing butt joint treatment, the injection-molded waterproof head is arranged at the connecting position of the waterproof head lead for waterproof purpose, waterproof glue is arranged at the connecting position to increase the overall waterproof effect, multiple waterproof treatments are arranged at the connecting position of the waterproof motor, the motor can reach the IP67 protection level, and can be stably used in the household appliance field such as air conditioners and refrigerators.

[0013] The additional aspects and advantages of the present application will be given partly in the following description, partly will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in conjunction with the drawings and embodiments.

[0015] Figure 1 It is a first installation structure diagram of the waterproof motor with high waterproofness of the present application;

[0016] Figure 2 It is a second installation structure diagram of the waterproof motor with high waterproofness of the present application.

[0017] In the drawing: 1, waterproof glue one; 2, metal rotor shell; 3, magnet; 4, stator core; 5, rotating shaft; 6, shaft clamp spring; 7, gasket; 8, electric control board; 9, waterproof glue two; 10, plastic rear cover one; 11, injection molding waterproof head; 12, waterproof head lead; 13, middle plate; 14, waterproof sealing ring; 15, plastic front shell one; 16, waterproof bearing; 17, waterproof flange; 18, plastic front shell two; 19, plastic rear cover two. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0019] Please refer to Figure 1 The present application provides a technical solution: a waterproof motor with high waterproofness, comprising a plastic front shell one 15, a plastic rear cover one 10 is connected to the lower end of the plastic front shell one 15, the plastic front shell one 15 and the plastic rear cover one 10 are connected in a clamping manner, and the connection of the two shells is provided with a mounting space of a middle plate 13, the connection end of the plastic front shell one 15 and the plastic rear cover one 10 is clamped with the middle plate 13, the connection end of the middle plate 13 is fixedly connected with a waterproof sealing ring 14, and the outer end of the waterproof sealing ring 14 is in contact with the plastic front shell one 15 and the plastic rear cover one 10, the connection of the front shell and the rear cover can have a waterproof sealing effect through the waterproof sealing ring 14, one end of the middle plate 13 extends outward and corresponds to the circular arc extension end of the plastic rear cover one 10, the extension end inside the middle plate 13 and the plastic rear cover one 10 is provided with a waterproof head lead 12, and the circular arc extension end can better correspond to the waterproof head lead 12.

[0020] The waterproof head lead 12 is located in the middle plate 13 and the inner side of the plastic rear cover one 10 is provided with an injection molding waterproof head 11, the injection molding waterproof head 11 is provided with waterproof glue two 9 near the connection of the middle plate 13 and the internal cavity of the plastic rear cover one 10, the bottom of the middle plate 13 is fixedly connected with the electric control board 8, the injection molding waterproof head 11 can correspond to the internal cavity of the two extension ends, and further in order to improve its waterproof performance, the inner end is coated with waterproof glue two 9, so as to increase the waterproof performance;

[0021] The gasket 7 is installed at the cavity position above the electric control board 8 of the middle plate 13, the waterproof bearing 16 is installed in the internal cavity of the middle plate 13, the inner end of the waterproof bearing 16 is installed with the rotating shaft 5, the setting of the electric control board 8 can ensure the stable operation of the whole motor, and the setting of the waterproof bearing 16 can further improve the waterproof sealing effect;

[0022] The internal cavity bottom of the middle plate 13 is fixedly connected with the mounting plate, the shaft clamp spring 6 is arranged at the connection position of the mounting plate and the rotating shaft 5, the upper end portion of the middle plate 13 is installed with the stator core 4, the outer end of the stator core 4 is provided with the magnet 3, the outer end of the magnet 3 is installed with the metal rotor shell 2, the waterproof flange 17 is interference fitted above the plastic front shell one 15, the waterproof bearing 16 is also arranged at the connection position of the waterproof flange 17 and the rotating shaft 5, the installation of the waterproof flange 17 can not only complete the connection of the rotating shaft 5, but also improve the waterproof ability of the connection position, and the installation of the waterproof bearing 16 at the connection position of the waterproof flange 17 and the rotating shaft 5 can avoid the water vapor entering the inside of the shell, so as to achieve the purpose of multiple waterproof;

[0023] The outer end of the waterproof bearing 16 in the waterproof flange 17 is coated with waterproof glue one 1, and the waterproof glue one 1 cooperates with the waterproof bearing 16 to achieve the purpose of multiple waterproof, so as to improve the waterproof grade of the whole motor. Embodiment

[0024] Please refer to Figure 2The utility model discloses an embodiment provides a technical scheme: a waterproof motor with high waterproofness, including plastic front shell one 15, plastic back cover one 10, middle plate 13, plastic front shell two 18, plastic back cover two 19 and sealing structure, the connecting place of plastic front shell two 18 and plastic back cover two 19 also adopts the joint mode, and the inside lower end of plastic front shell two 18 is jointed with middle plate 13, and the sealing structure also includes waterproof seal ring 14, injection molding waterproof head 11 and waterproof head lead 12, the connecting place of plastic front shell two 18 and plastic back cover two 19 is provided with waterproof seal ring 14, and waterproof head lead 12 is arranged in the inside part of plastic back cover one 10 and middle plate 13, waterproof bearing 16 is installed in the inside of middle plate 13, the inner end of waterproof bearing 16 is installed with rotating shaft 5, and injection molding waterproof head 11 is arranged in the inside part of plastic back cover one 10 and middle plate 13 of waterproof head lead 12, waterproof adhesive two 9 is arranged in the inside cavity connecting place of plastic back cover one 10 and middle plate 13 of injection molding waterproof head 11, and the bottom of middle plate 13 is fixedly connected with electric control board 8, waterproof bearing 16 is installed in the inside of middle plate 13, the inner end of waterproof bearing 16 is installed with rotating shaft 5, injection molding waterproof head 11 is arranged in the inside part of plastic back cover one 10 and middle plate 13 of waterproof head lead 12, waterproof adhesive two 9 is arranged in the inside cavity connecting place of plastic back cover one 10 and middle plate 13 of injection molding waterproof head 11, and the bottom of middle plate 13 is fixedly connected with electric control board 8, and the structure and the inside structure of waterproof motor shell in embodiment one are similar, but there is certain difference on sealing structure, and the difference is that the front shell, the back cover and the middle plate in embodiment one need to be jointed mutually, two waterproof seal rings 14 are adopted, and in embodiment two, only need to joint the front shell and the back cover to reach the effect of quick sealing installation, and the middle plate structure only needs to be jointed with the protruding part in the inner end of the front shell, so only needs to use single waterproof seal ring, and the two structures can reach the effect of sealing waterproof, so that the motor reaches the protection level of IP67, and is stably used in the field of household appliances such as air conditioner and refrigerator.

[0025] The utility model has been described in detail in the above in connection with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A waterproof motor having high waterproofness, characterized by comprising: The utility model provides a waterproof structure of LED street lamp, including plastic front shell one (15), plastic back cover one (10), middle plate (13), plastic front shell two (18), plastic back cover two (19) and sealing structure, the joint of plastic front shell one (15) with plastic back cover one (10) adopts the clamping mode, the connecting end of plastic front shell one (15) and plastic back cover one (10) clamps the middle plate (13), the sealing structure includes waterproof seal ring (14), injection moulding waterproof head (11) and waterproof head lead (12) with, the connecting end of middle plate (13) is fixedly connected with waterproof seal ring (14), and the outer end of waterproof seal ring (14) is in contact with plastic front shell one (15) and plastic back cover one (10), one end of middle plate (13) extends outward and corresponds with the extension end of the arc of plastic back cover one (10), waterproof head lead (12) with waterproof head (11) and injection moulding waterproof head (11) are installed in the inside portion of middle plate (13) and plastic back cover one (10), waterproof adhesive no.

2. The waterproof motor having high waterproofness according to claim 1, characterized by: Two (9) are arranged in the injection moulding waterproof head (11) near the inside cavity connecting portion of middle plate (13) and plastic back cover one (10), and the bottom of middle plate (13) is fixedly connected with electric control board (8).

3. The waterproof motor having high waterproofing according to claim 1, wherein: The gasket (7) is installed in the cavity position above electric control board (8) of middle plate (13), waterproof bearing (16) is installed in the inside of middle plate (13), the inner end of waterproof bearing (16) is installed with rotating shaft (5), the inside cavity bottom of middle plate (13) is fixedly connected with mounting plate, shaft clasp spring (6) is arranged in the connecting portion of mounting plate and rotating shaft (5), the upper end portion of middle plate (13) is installed with stator core (4), the outer end of stator core (4) is provided with magnet (3), the outer end of magnet (3) is installed with metal rotor shell (2), the upper portion of plastic front shell one (15) is provided with waterproof flange (17) with interference fit, waterproof bearing (16) is also arranged in the connecting portion of waterproof flange (17) and rotating shaft (5), and waterproof adhesive no.

4. The waterproof motor having high waterproofing according to claim 1, wherein: One (1) is coated on the outer end of waterproof bearing (16) in the inside of waterproof flange (17), the connecting portion of plastic front shell two (18) and plastic back cover two (19) also adopts the clamping mode, the inside lower end of plastic front shell two (18) is clamped with middle plate (13), and the sealing structure also includes waterproof seal ring (14), injection moulding waterproof head (11) and waterproof head lead (12) with, waterproof seal ring (14) is arranged in the connecting portion of plastic front shell two (18) and plastic back cover two (19).

5. The waterproof motor having high waterproofness according to claim 4, characterized in that: The inside of the middle plate (13) is mounted with waterproof bearing (16), the inner end of waterproof bearing (16) is mounted with rotating shaft (5), waterproof head lead (12) is located in the inside of middle plate (13) and plastic back cover (10) and is provided with injection molding waterproof head (11), injection molding waterproof head (11) is close to the connecting part of middle plate (13) and the internal cavity of plastic back cover (10) and is provided with waterproof glue (9), the bottom of middle plate (13) is fixedly connected with electric control board (8).

6. The waterproof motor having high waterproofness according to claim 4, characterized by: The upper end of the middle plate (13) is mounted with stator core (4), the outer end of stator core (4) is provided with magnet (3), the outer end of magnet (3) is mounted with metal rotor shell (2), the upper of plastic front shell (15) is interference fitted with waterproof flange (17), the connecting part of waterproof flange (17) and rotating shaft (5) is also provided with waterproof bearing (16), the outer end of waterproof bearing (16) in the inside of waterproof flange (17) is coated with waterproof glue (1).

Images