Waterproof motor device combined with double sealing design

Abstract

The utility model discloses a waterproof motor device combined with dual-seal design, and particularly relates to the field of motor shell packaging, which comprises a motor shell I and a motor shell II, the motor shell I and the motor shell II form a shell of the motor device, a positioning ring I is fixedly arranged on one side of the motor shell I, and a positioning ring II is fixedly arranged on the other side of the motor shell II. A first positioning ring is fixedly installed on one side of the first motor shell, a second positioning ring is fixedly installed on one side of the second motor shell, motors are installed in inner cavities of the first motor shell and the second motor shell, motor output shafts are arranged at the ends of the motors, and the motor output shafts are rotationally connected between the first positioning ring and the second positioning ring. By means of the double-layer structure of the air inlet frame, the sealing mode and the ventilation mode of the first motor shell and the second motor shell are manually switched according to actual needs, and meanwhile the anti-splashing effect is achieved by means of the arch-shaped structural characteristics of the first motor shell and the second motor shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor casing packaging technical field, more specifically, the utility model relates to a waterproof motor device with double sealing design. BACKGROUND

[0002] The motor is the equipment that converts electric energy into mechanical energy, it is made by the phenomenon that the current loop is forced to rotate in the magnetic field, is distributed in each user, and the motor is divided into direct current motor and alternating current motor according to power supply, and most of the motors in power system are alternating current machines, which can be synchronous machines or asynchronous machines, and the motor is mainly composed of stator and rotor, the direction of force movement of the current lead in the magnetic field is related to the current direction and the magnetic induction line direction, and the motor working principle is that the magnetic field acts on the force of electric current, and the motor rotates.

[0003] Usually, the motor is used as a power source in various devices, and there are water spraying or splashing environments in some use scenarios, at this time, the motor needs to consider air inlet and outlet and waterproof, and the traditional motor cannot be used in such environment, therefore, a waterproof motor device with double sealing design is needed. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a waterproof motor device with double sealing design, which manually switches the sealing and ventilation mode of the shell of the motor shell one and the motor shell two through the double-layer structure of the air inlet frame, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a waterproof motor device with double sealing design, comprising motor shell one and motor shell two, the motor shell one motor shell two constitutes the shell of motor device, one side of the motor shell one is fixedly installed with positioning ring one, one side of the motor shell two is fixedly installed with positioning ring two, the inner cavity of the motor shell one and the motor shell two is installed with motor, the end of the motor is equipped with motor output shaft, the motor output shaft is rotatably connected between the positioning ring one and the positioning ring two, the outside of the motor shell one and the motor shell two is provided with a plurality of through-type horizontal grooves, and the through-type horizontal groove is fixedly installed with air inlet frame, the air inlet frame is provided with hollow structure, the air inlet frame is connected with the shell of motor device, the air inlet frame is provided with double-layer structure, the double-layer structure of the air inlet frame is waterproof layer and meshed ventilation layer respectively, the waterproof layer and the meshed ventilation layer are connected in the state of pulling and inserting, the bottom of the air inlet frame is provided with through hole.

[0006] In a preferred implementation form, the positioning ring one and the positioning ring two are sleeved with an annular air bag, the positioning ring one and the positioning ring two are provided with annular grooves near the inner wall of the motor output shaft, bearings are installed in the annular grooves, and the annular air bag is connected with the motor output shaft through the bearings.

[0007] In a preferred implementation form, the bearing comprises an outer bearing ring and an inner bearing ring, the inner wall of the annular air bag is fixedly installed with a middle positioning ring, and the middle positioning ring is movably connected in the inner cavities of the positioning ring one and the positioning ring two.

[0008] The outer bearing ring is fixedly connected with the middle positioning ring, the motor output shaft is fixedly connected with the inner bearing ring, and the outer bearing ring is rotatably connected with the inner bearing ring.

[0009] The inner cavity of the annular air bag is filled with a steam type liquid.

[0010] In a preferred implementation form, the two air inlet frames installed in the motor housing one and the motor housing two are fixedly installed with a positioning arm one, a positioning arm two and a connecting arm one, the connecting arm one is fixedly installed between the two positioning arm twos, the positioning arm one is used for connecting the motor housing one or the motor housing two, and the inclination directions of the positioning arm one and the positioning arm two are oppositely arranged.

[0011] In a preferred implementation form, the two ends of the air inlet frame are fixedly installed with positioning discs, the positioning discs are located on one side of the through hole, one end of the positioning disc is fixedly installed with a positioning bolt, one end of the positioning bolt is connected with an internal thread cylinder through a bearing piece, and the inner cavity of the internal thread cylinder is rotatably connected with an external thread rod.

[0012] In a preferred implementation form, one end of the external thread rod is connected with a tension meter through a bearing piece.

[0013] In a preferred implementation form, the two tension meters are installed with a connecting arm two through bolts, and the connecting arm two is used for connecting the two air inlet frames.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1. According to actual needs, the double-layer structure of the air inlet frame is used for manually switching the sealing and ventilation modes of the motor housing one and the motor housing two, meanwhile, the arch-shaped structure characteristics of the motor housing one and the motor housing two are used to realize the water splash prevention effect, corresponding plugs can be arranged at the position of the through hole to realize the full sealing effect.

[0016] 2、In the motor output shaft appears overheating or high speed, will make the water vapor in the ring-shaped air bag expansion, thereby extruding the outer bearing ring and the middle positioning ring, because the outer wall of the ring-shaped air bag is fixed in the inner wall of the positioning ring one and the positioning ring two, the outer bearing ring and the middle positioning ring can slightly sway in the inner cavity of the positioning ring one and the positioning ring two, when swelling and extruding, can extrude the ball part of the bearing or the sealing part of the sealed bearing, on the one hand, achieve the effect of physical deceleration, at the same time, when excessive friction, sound will also appear, so as to remind the staff, on the other hand, improve the cleverness of sealing. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model.

[0018] Figure 2 It is the A part structure enlarged view of the utility model Figure 1 .

[0019] Figure 3 It is the part structure section view of the positioning ring one and the positioning ring two of the utility model.

[0020] Figure 4 It is the structure schematic diagram of the waterproof layer and the air permeable layer of the air inlet frame of the utility model.

[0021] The figure mark is: 1 motor shell one, 2 motor shell two, 3 positioning ring one, 4 positioning ring two, 5 air inlet frame, 6 motor output shaft, 7 ring-shaped air bag, 8 outer bearing ring, 9 inner bearing ring, 10 middle positioning ring, 11 positioning arm one, 12 positioning arm two, 13 connecting arm one, 14 positioning disc, 15 positioning bolt, 16 inner threaded cylinder, 17 outer threaded rod, 18 tension meter, 19 connecting arm two. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the protection scope of the utility model.

[0023] Refer to the drawings in the description Figures 1-4This utility model discloses a waterproof motor device with a double-sealed design, comprising a motor housing 1 and a motor housing 2. The motor housing 1 and motor housing 2 constitute the housing of the motor device. A positioning ring 3 is fixedly installed on one side of the motor housing 1, and a positioning ring 4 is fixedly installed on one side of the motor housing 2. A motor is installed inside the cavities of the motor housing 1 and motor housing 2. A motor output shaft 6 is provided at the end of the motor, rotatably connected between the positioning ring 3 and the positioning ring 4. Multiple through-type transverse slots are provided on the exterior of the motor housing 1 and motor housing 2, and an air intake frame 5 is fixedly installed within each through-type transverse slot. The air intake frame 5 has a hollow structure and is connected to the housing of the motor device. Figure 4 As shown, the air intake frame 5 has a double-layer structure, consisting of a sealed waterproof layer and a mesh-like breathable layer. The waterproof layer and the breathable layer are connected in a snap-fit ​​configuration. Through holes are provided at both ends of the bottom of the air intake frame 5. Figure 4 The upper and lower structures shown are a waterproof layer and a breathable layer, which are connected in a snap-fit ​​manner, thus facilitating waterproofing and improving the overall sealing. Only the parts that need to be sealed are sealed. Depending on the actual needs, it can achieve a double-layer seal on the one hand, and allow air to enter from the bottom through the through holes on the other hand, reducing the probability of water splashing from the top into the shell.

[0024] An annular airbag 7 is fitted between positioning ring 3 and positioning ring 4. An annular groove is formed on the inner wall of positioning ring 3 and positioning ring 4 near the motor output shaft 6. A bearing is installed in the annular groove. The annular airbag 7 is connected to the motor output shaft 6 through the bearing. The bearing includes an outer bearing ring 8 and an inner bearing ring 9. A bearing support and lubrication structure such as ball bearings is installed between the outer bearing ring 8 and the inner bearing ring 9. A central positioning ring 10 is fixedly installed on the inner wall of the annular airbag 7. The central positioning ring 10 is movably connected to the inner cavity of positioning ring 3 and positioning ring 4. The outer bearing ring 8 is fixedly connected to the central positioning ring 10, and the motor output shaft 6 is fixedly connected to the inner bearing ring 9. The outer bearing ring 8 and the inner bearing ring 9 are rotatably connected. The inner cavity of the annular airbag 7 is filled with a vapor-type liquid.

[0025] The positioning arm one 11, the positioning arm two 12 and the connecting arm one 13 are fixedly installed between the two air inlet frames 5 installed in the motor shell one 1 and the motor shell two 2, the connecting arm one 13 is fixedly installed between the two positioning arm two 12, the positioning arm one 11 is used for connecting the motor shell one 1 or the motor shell two 2, and the inclination directions of the positioning arm one 11 and the positioning arm two 12 are oppositely arranged; the positioning disc 14 is fixedly installed at both ends of the air inlet frame 5, the positioning disc 14 is located on one side of the through hole, one end of the positioning disc 14 is fixedly installed with the positioning bolt 15, one end of the positioning bolt 15 is connected with the internal thread cylinder 16 through a bearing piece, the inner cavity of the internal thread cylinder 16 is rotatably connected with the external thread rod 17; one end of the external thread rod 17 is connected with the tension meter 18 through a bearing piece; the connecting arm two 19 is installed between the two tension meters 18 through bolts, and is used for connecting the two air inlet frames 5.

[0026] It should be noted that in actual use, the double-layer structure of the air inlet frame 5 is used to manually switch the sealing and ventilation modes of the motor shell one 1 and the motor shell two 2 according to actual needs, and the arch-shaped structure of the motor shell one 1 and the motor shell two 2 is used to achieve the water splash prevention effect. A corresponding plug can also be arranged at the position of the through hole to achieve the effect of full sealing. The double sealing structure is also realized by the double-layer structure of the air inlet frame 5.

[0027] The motor shell one 1 and the motor shell two 2 can be packaged by professional packaging kits or assembled by bolts, welding and other methods. When the motor output shaft 6 is overheated or rotates at a high speed, the water vapor in the annular air bag 7 will evaporate and expand, thereby pressing the outer bearing ring 8 and the middle positioning ring 10. Since the outer wall of the annular air bag 7 is fixed to the inner wall of the positioning ring one 3 and the positioning ring two 4, the outer bearing ring 8 and the middle positioning ring 10 can slightly shake in the inner cavity of the positioning ring one 3 and the positioning ring two 4. When expanding and pressing, the rolling ball part of the bearing or the sealing part of the sealed bearing can be pressed. On the one hand, the physical deceleration effect is achieved, and on the other hand, the sound is generated when excessive friction occurs, thereby reminding the staff. On the other hand, the sealing cleverness is improved.

[0028] The positioning arm 11, the positioning arm 12 and the connecting arm 13 are used for forming two outward convex supporting members, supporting on both sides of the motor housing 1 and the motor housing 2, improving the stability of connection and support, and the inner threaded cylinder 16 and the outer threaded rod 17 are used for further fastening the motor housing 1 and the motor housing 2; meanwhile, after the fastening of the motor housing 1 and the motor housing 2 is completed, whether the motor housing 1 and the motor housing 2 or the two air inlet frames 5 appear the displacement phenomenon can be analyzed through the data of the tension meter 18, and the principle of data analysis is that whether the preset threshold value exceeds the normal range.

[0029] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A waterproof motor device combined with a double sealing design, comprising a motor shell one (1) and a motor shell two (2), the motor shell one (1) and the motor shell two (2) constitute a shell of the motor device, a positioning ring one (3) is fixedly installed on one side of the motor shell one (1), a positioning ring two (4) is fixedly installed on one side of the motor shell two (2), a motor is installed in inner cavities of the motor shell one (1) and the motor shell two (2), an end of the motor is provided with a motor output shaft (6), the motor output shaft (6) is rotationally connected between the positioning ring one (3) and the positioning ring two (4), characterized in that: The outer part of the motor housing one (1) and the motor housing two (2) is provided with a plurality of through-type horizontal grooves, and the through-type horizontal grooves are fixedly provided with an air inlet frame (5), the air inlet frame (5) is provided in a hollow structure, the air inlet frame (5) is communicated with the shell of the motor device, the air inlet frame (5) is provided in a double-layer structure, the double-layer structure of the air inlet frame (5) is a sealing waterproof layer and a meshed air-permeable layer respectively, the waterproof layer and the air-permeable layer are connected in a plug-in state, and the bottom of the air inlet frame (5) is provided with a through hole.

2. A waterproof motor assembly incorporating a dual seal design as claimed in claim 1, wherein: The positioning ring one (3) and the positioning ring two (4) are sleeved with an annular air bag (7), the inner wall of the positioning ring one (3) and the positioning ring two (4) near the motor output shaft (6) is provided with an annular groove, and the annular groove is provided with a bearing.

3. A waterproof motor assembly incorporating a dual seal design as claimed in claim 2, wherein: The bearing comprises an outer bearing ring (8) and an inner bearing ring (9), the inner wall of the annular air bag (7) is fixedly provided with a middle positioning ring (10), and the middle positioning ring (10) is movably connected in the inner cavity of the positioning ring one (3) and the positioning ring two (4); The outer bearing ring (8) is fixedly connected with the middle positioning ring (10), the motor output shaft (6) is fixedly connected with the inner bearing ring (9), and the outer bearing ring (8) is rotatably connected with the inner bearing ring (9); The inner cavity of the annular air bag (7) is filled with a vapor type liquid.

4. A waterproof motor assembly incorporating a dual seal design according to claim 3, characterized in that: The two air inlet frames (5) installed in the motor housing one (1) and the motor housing two (2) are fixedly provided with a positioning arm one (11), a positioning arm two (12) and a connecting arm one (13), the connecting arm one (13) is fixedly installed between the two positioning arm two (12), the positioning arm one (11) is used for connecting the motor housing one (1) or the motor housing two (2), and the inclination directions of the positioning arm one (11) and the positioning arm two (12) are opposite.

5. A waterproof motor assembly incorporating a dual seal design according to claim 4, characterized in that: The two ends of the air inlet frame (5) are fixedly provided with a positioning disc (14), the positioning disc (14) is located on one side of the through hole, one end of the positioning disc (14) is fixedly provided with a positioning bolt (15), one end of the positioning bolt (15) is connected with an internal thread cylinder (16) through a bearing piece, and the inner cavity of the internal thread cylinder (16) is rotatably connected with an external thread rod (17).

6. A waterproof motor assembly incorporating a dual seal design according to claim 5, characterized in that: One end of the external thread rod (17) is connected with a tension meter (18) through a bearing piece.

7. A waterproof motor assembly incorporating a dual seal design according to claim 6, characterized in that: The two tension meters (18) are connected with a connecting arm two (19) through bolts, and the connecting arm two (19) is used for connecting the two air inlet frames (5).

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