Planetary reducer with good waterproof effect
By incorporating a waterproof mechanism and desiccant box into the planetary gear reducer, combined with a waterproof layer made of nano-coating material, the problem of insufficient sealing is solved, achieving good waterproof performance and stable operation.
Patent Information
- Application Number
- CN202520009489.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The existing planetary gear reducers are not well sealed, which makes them prone to water leakage in humid environments, affecting the rusting of internal components and normal operation.
The system employs a waterproof mechanism, including components such as a support ring, a second housing, a connecting ring, a protruding ring, a sealing ring, a connecting sleeve, and a waterproof bearing. Through a combination of multiple sealing lines and a desiccant box, it ensures that moisture does not enter the reducer and utilizes a waterproof layer made of nano-coating material to prevent external moisture from penetrating.
It effectively prevents moisture from entering the reducer, ensuring smooth transmission between the motor and the planetary reducer, improving overall waterproof performance and service life, and is suitable for various humid environments.
Smart Images

Figure CN223578789U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to planetary reducer technical field more specifically, the utility model relates to waterproof effectual planetary reducer. BACKGROUND
[0002] Planetary reducer is the industrial product of wide application, can reduce motor rotating speed, increase output torque, and is applied in hoisting, excavating, transportation, building and other industries, however, the equipment of these industries is often in complex and poor environment, such as damp, dusty, easy to contact water, etc., in order to achieve the effect of good waterproof and compact structure, the reducer needs to be sealed well;
[0003] The sealing property of the existing mechanism is not good enough, which can easily cause the rusting and damage of the internal parts of the reducer and affect the normal operation.
[0004] Through the search, the Chinese patent with the authorized announcement number CN205956354U discloses a kind of solar light tracking planetary gear reducer sealing mechanism, the bracket seat of the end sealing of the reducer is set by the bracket seat, the output shaft of the reducer is from bracket seat, bracket seat and the integral sealing of the connecting place of reducer and is set heat shrink tube outside the reducer, guarantee the sealing property of the end of the reducer, waterproof effect is good, and the both sides of bracket seat are equipped with mounting seat, and mounting hole is equipped on mounting seat, facilitate the installation of reducer.
[0005] But the structure in actual use, the output shaft of the reducer in this structure is from bracket seat, motor and reducer when working, output shaft rotates, since the gap of the connecting place of reducer and output shaft is larger, leading to the connecting place is easily infiltrated, cannot effectively protect the reducer body. UTILITY MODEL CONTENT
[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a planetary reducer with good waterproof effect to solve the problems raised in the background art.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0008] The planetary reducer with good waterproof effect comprises a first housing, a mounting plate is fixedly arranged inside the first housing, a motor body is slidably arranged on the top of the mounting plate, a planetary reducer body is connected to one side of the motor body, and a waterproof mechanism is arranged on one side of the planetary reducer body.
[0009] The waterproof mechanism comprises a supporting ring fixedly arranged outside a planetary reducer body, a second shell is fixedly arranged on the surface of the supporting ring, a connecting ring is fixedly arranged on one side of the second shell, a convex ring is fixedly arranged on one side of the connecting ring, a sealing ring is fixedly arranged on one side of the convex ring, a connecting sleeve is insertedly arranged on one side of the convex ring, an installation groove is formed in the inside of the connecting sleeve, a waterproof bearing is arranged in the inside of the installation groove, and sealing rings are fixedly arranged at both ends of the waterproof bearing.
[0010] By adopting the above technical scheme, water can be effectively prevented from entering from the connecting part and the output shaft, the waterproof performance is excellent, stable waterproof protection makes the transmission of the motor and the planetary reducer body more smooth, the overall operation is reliable, and the planetary reducer is suitable for various humid environments.
[0011] As a further description of the above technical scheme, the output end of the planetary reducer body is provided with an output shaft, one end of the output shaft penetrates through the connecting sleeve and is connected with the inner ring of the waterproof bearing, a plurality of threaded holes are formed in the surfaces of the convex ring and the connecting sleeve, a plurality of first bolts are threadedly connected in the interiors of the threaded holes, connecting frames are fixedly arranged on one side of the first shell and the second shell, a plurality of threaded grooves are formed in the surfaces of the connecting frames, a plurality of second bolts are threadedly connected in the interiors of the threaded grooves, and gasket rings are fixedly arranged on one side of the second bolts.
[0012] By adopting the above technical scheme, the sealing property between the shells is enhanced, water is prevented from entering from the connecting part, the waterproof capability of the planetary reducer is improved as a whole, stable operation is facilitated, and the service life is prolonged.
[0013] As a further description of the above technical scheme, the inside of the supporting ring is provided with an auxiliary mechanism, the auxiliary mechanism comprises two fixed grooves formed in the surface of the supporting ring, fixed frames are slidably arranged in the interiors of the two fixed grooves, desiccant boxes are insertedly arranged in the interiors of the fixed frames, fixed nets are fixedly arranged on the surfaces of the fixed frames, one connecting frame is fixedly provided with two baffles on one side, rubber layers are fixedly arranged on one side of each of the two baffles, waterproof layers are fixedly arranged on the exteriors of the first shell and the second shell, and the waterproof layers are made of nano-coating materials.
[0014] By adopting the above technical scheme, the desiccant in the desiccant box can absorb a small amount of water vapor entering the inside, the fixed net guarantees stable use, the inside dry environment is maintained, the nano-coating waterproof layer on the exterior of the shell can prevent external water from adhering and penetrating, and the planetary reducer is guaranteed in multiple aspects.
[0015] Technical effects and advantages of the utility model:
[0016] 1. By setting waterproof mechanism, compared with prior art, when the convex ring is connected with the connecting sleeve, the sealing ring can effectively prevent water from directly invading from the connecting part of the two, and reduce the possibility of external moisture entering the inside of the speed reducer from the source, and the sealing ring at both ends of the waterproof bearing seals the gap between the output shaft and the connecting sleeve, even when the motor body and the planetary reducer body are working, the output shaft is in rotating state, water can also be reliably prevented from penetrating along the shaft, further ensuring that the inside of the whole speed reducer will not be damp, corroded and other problems due to water entering the shaft. Improve the overall use effect;
[0017] 2. By setting auxiliary mechanism, compared with prior art, the connecting frame cooperates with the second bolt and the gasket ring to form a tight sealing connection, effectively preventing water from invading from the gap between the shell, at the same time, the internal desiccant box acts as a backup line to absorb the trace of water vapor that breaks through the external line, and is convenient to install and replace, ensuring that the internal environment is dry, plus the external nano coating waterproof layer, so that water droplets cannot adhere and penetrate, multiple waterproof lines layer by layer, greatly improving the overall waterproof ability. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure schematic diagram of the utility model.
[0019] Figure 2 It is the waterproof mechanism structure schematic diagram of the utility model.
[0020] Figure 3 It is the overall split structure schematic diagram of the utility model.
[0021] Figure 4 It is the connecting frame split structure schematic diagram of the utility model.
[0022] Figure 5 It is the auxiliary mechanism structure schematic diagram of the utility model.
[0023] Figure 6 It is the overall cross section structure schematic diagram of the utility model.
[0024] The figure mark is: 1, first shell body;2, mounting plate;3, motor body;4, planetary reducer body;5, support ring;6, second shell body;7, connecting ring;8, convex ring;9, sealing ring;10, connecting sleeve;11, waterproof bearing;12, sealing ring;13, output shaft;14, first bolt;15, connecting frame;16, second bolt;17, gasket ring;18, fixed groove;19, fixed frame;20, desiccant box;21, fixed net;22, baffle;23, rubber layer;24, waterproof layer. DETAILED DESCRIPTION
[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0026] The application discloses a planetary reducer with good waterproof effect, as shown in the accompanying drawings of the embodiments of the present application, which comprises a first shell 1, a mounting plate 2 is fixedly arranged in the first shell 1, a motor body 3 is slidably arranged on the top of the mounting plate 2, a planetary reducer body 4 is connected to one side of the motor body 3, and a waterproof mechanism is arranged on one side of the planetary reducer body 4. Figures 1-6
[0027] The waterproof mechanism comprises a supporting ring 5 fixedly arranged outside the planetary reducer body 4, a second shell 6 fixedly arranged on the surface of the supporting ring 5, a connecting ring 7 fixedly arranged on one side of the second shell 6, a convex ring 8 fixedly arranged on one side of the connecting ring 7, a sealing ring 9 fixedly arranged on one side of the convex ring 8, a connecting sleeve 10 insertedly arranged on one side of the convex ring 8, an installation groove is formed in the inside of the connecting sleeve 10, a waterproof bearing 11 is arranged in the installation groove, sealing rings 12 are fixedly arranged at both ends of the waterproof bearing 11, the connecting sleeve 10 is inserted into one side of the convex ring 8, the convex ring 8 and the connecting sleeve 10 are fastened and connected through first bolts 14, the bolts are tightened according to the specified torque, the sealing ring 9 on one side of the convex ring 8 provides the first sealing line when the two are connected, effectively preventing water from directly invading from the connecting position, and the sealing rings 12 at both ends of the waterproof bearing 11 in the installation groove of the connecting sleeve 10 seal the gap between the output shaft 13 and the connecting sleeve 10, when the motor body 3 and the planetary reducer body 4 work, the output shaft 13 rotates, the waterproof bearing 11 can ensure smooth rotation and prevent water from penetrating along the shaft by means of the sealing rings 12.
[0028] Refer to Figures 2-4 The output end of the planetary reducer body 4 is provided with an output shaft 13, one end of the output shaft 13 penetrates through the connecting sleeve 10 and is connected with the inner ring of the waterproof bearing 11, the convex ring 8 and the surface of the connecting sleeve 10 are both provided with a plurality of threaded holes, the inside of the plurality of threaded holes are all threadedly connected with first bolts 14, one side of the first shell 1 and the second shell 6 are both fixedly provided with connecting frames 15, the surface of the connecting frame 15 is provided with a plurality of threaded grooves, the inside of the plurality of threaded grooves are all threadedly connected with second bolts 16, one side of the second bolt 16 is fixedly provided with a gasket ring 17, the connecting frames 15 on one side of the first shell 1 and the second shell 6 are aligned, the motor body 3 is aligned with the top of the mounting plate 2 inside the first shell 1, then the first shell 1 is moved to one side of the second shell 6, until the first shell 1 is attached to the second shell 6, the motor body 3 is slid to the top of the mounting plate 2, the second bolt 16 is passed through the threaded groove of the connecting frame 15 and is tightened, the gasket ring 17 on one side of the second bolt 16 increases the stability and sealing property of the connection, effectively prevents moisture from entering from the tiny gap of the connection part of the first shell 1 and the second shell 6, connects and fixes the motor body 3 with the planetary reducer body 4, ensures firm connection and smooth transmission;
[0029] The fixed frame 19 is inserted into the fixed groove 18 of the support ring 5, the desiccant box 20 is inserted into the inside of the fixed frame 19, the fixed net 21 on the surface of the fixed frame 19 can prevent the desiccant box 20 from falling out on one hand, and can ensure that the water vapor fully contacts with the desiccant on the other hand, improves the moisture absorption efficiency, facilitates the installation and replacement of the desiccant box 20, the desiccant in the desiccant box 20 is silica gel, can absorb a small amount of water vapor entering the inside space of the second shell 6, even if a small amount of water vapor breaks through the external waterproof structure during the operation of the planetary reducer body 4, the desiccant in the desiccant box 20 can also absorb it in time.
[0030] Referring to Figures 5-6As shown, the inside of the support ring 5 is provided with an auxiliary mechanism, the auxiliary mechanism includes two fixed grooves 18 opened on the surface of the support ring 5, the inside of the two fixed grooves 18 is slidably provided with a fixed frame 19, the inside of the fixed frame 19 is insertedly provided with a desiccant box 20, the surface of the fixed frame 19 is fixedly provided with a fixed net 21, one side of one of the connecting frames 15 is fixedly provided with two baffles 22, one side of the two baffles 22 is fixedly provided with a rubber layer 23, the outside of the first shell 1 and the second shell 6 is fixedly provided with a waterproof layer 24, the waterproof layer 24 is made of nanometer coating material, the baffle 22 with the rubber layer 23 of the first shell 1 is also moved to abut against the fixed frame 19, thereby preventing the desiccant box 20 from falling off during work, and the waterproof layer 24 on the outside of the first shell 1 and the second shell 6 is made of nanometer coating material. The nanometer coating has a special microstructure, and its extremely low surface energy makes water droplets on its surface unable to be infiltrated, but only form water beads and roll off, thereby effectively preventing the attachment and penetration of external moisture, even in the case of long-term exposure to a humid environment or being washed by rain, the erosion of moisture to the shell can be significantly reduced, and the overall waterproof performance is further improved.
[0031] The working principle of the utility model:
[0032] The utility model discloses a planetary reducer with good waterproof effect, when the device is used, the connecting frame 15 of one side of first shell 1 and second shell 6 is aligned, the motor body 3 is aligned with the top of the mounting plate 2 in the first shell 1, then the first shell 1 is moved to one side of the second shell 6, until the first shell 1 is attached to the second shell 6, drive the motor body 3 to slide to the top of the mounting plate 2, the second bolt 16 is passed through the thread groove of the connecting frame 15 and is tightened, and the gasket ring 17 on one side of the second bolt 16 increases the stability and sealing property of connection.
[0033] At the same time, the baffle 22 with the rubber layer 23 of the first shell 1 is also moved to abut against the fixed frame 19, thereby preventing the desiccant box 20 from falling off during work, effectively preventing moisture from entering from the tiny gap of the connecting part of the first shell 1 and the second shell 6, connecting and fixing the motor body 3 and the planetary reducer body 4, and ensuring firm connection and smooth transmission.
[0034] Then the connecting sleeve 10 is inserted into one side of the protruding ring 8, the protruding ring 8 and the connecting sleeve 10 are tightly connected through the first bolt 14, the bolt is tightened according to the specified torque, the sealing ring 9 on one side of the protruding ring 8 provides the first sealing line when the two are connected, effectively blocking the direct invasion of moisture from the connecting part, and the sealing ring 12 at both ends of the waterproof bearing 11 in the installation groove in the connecting sleeve 10 seals the gap between the output shaft 13 and the connecting sleeve 10, when the motor body 3 and the planetary reducer body 4 work, the output shaft 13 rotates, the waterproof bearing 11 can ensure smooth rotation and prevent water from penetrating along the shaft by relying on the sealing ring 12.
[0035] In the fixed groove 18 of the support ring 5, the fixed frame 19 is inserted, and the desiccant box 20 is inserted into the fixed frame 19. The fixed net 21 on the surface of the fixed frame 19 can prevent the desiccant box 20 from falling out and ensure that the water vapor and the desiccant are in full contact, thereby improving the moisture absorption efficiency. The desiccant in the desiccant box 20 is silica gel, which can absorb a small amount of water vapor entering the internal space of the second shell 6. During the operation of the planetary reducer body 4, even if a small amount of water vapor breaks through the external waterproof structure, the desiccant in the desiccant box 20 can absorb it in time.
[0036] The waterproof layer 24 outside the first shell 1 and the second shell 6 is made of nano-coating material. The nano-coating has a special microstructure, and its extremely low surface energy makes water droplets unable to wet its surface and only form water beads that roll off, thereby effectively preventing the attachment and penetration of external moisture. Even in the case of long-term exposure to a humid environment or being washed by rain, the erosion of moisture to the shell can be significantly reduced, further improving the overall waterproof performance.
[0037] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application. Therefore, any equivalent changes made in accordance with the structure, shape, and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A planetary reducer with good waterproof effect, comprising a first shell (1), characterized in that: The inside of the first shell (1) is fixedly provided with a mounting plate (2), the top of the mounting plate (2) is slidably provided with a motor body (3), one side of the motor body (3) is connected with a planetary reducer body (4), one side of the planetary reducer body (4) is provided with a waterproof mechanism; The waterproof mechanism comprises a supporting ring (5) fixedly arranged outside the planetary reducer body (4), a second shell (6) fixedly arranged on the surface of the supporting ring (5), a connecting ring (7) fixedly arranged on one side of the second shell (6), a convex ring (8) fixedly arranged on one side of the connecting ring (7), a sealing ring (9) fixedly arranged on one side of the convex ring (8), a connecting sleeve (10) insertedly arranged on one side of the convex ring (8), an installation groove is formed in the inside of the connecting sleeve (10), and a waterproof bearing (11) is arranged in the installation groove.
2. The planetary reducer with good waterproof effect according to claim 1, characterized in that: An output shaft (13) is arranged at the output end of the planetary reducer body (4), one end of the output shaft (13) penetrates through the connecting sleeve (10) and is connected with the inner ring of the waterproof bearing (11), a plurality of threaded holes are formed in the surfaces of the convex ring (8) and the connecting sleeve (10), and a first bolt (14) is threadedly connected in each of the plurality of threaded holes.
3. The planetary reducer with good waterproof effect according to claim 1, characterized in that: A connecting frame (15) is fixedly arranged on one side of the first shell (1) and the second shell (6), a plurality of threaded grooves are formed in the surface of the connecting frame (15), and a second bolt (16) is threadedly connected in each of the plurality of threaded grooves.
4. The planetary reducer with good waterproof effect according to claim 1, characterized in that: The inside of the supporting ring (5) is provided with an auxiliary mechanism, the auxiliary mechanism comprises two fixed grooves (18) formed in the surface of the supporting ring (5), and a fixed frame (19) is slidably arranged in each of the two fixed grooves (18).
5. The planetary reducer with good waterproof effect according to claim 4, characterized in that: A desiccant box (20) is insertedly arranged in the inside of the fixed frame (19), and a fixed net (21) is fixedly arranged on the surface of the fixed frame (19).
6. The planetary reducer with good waterproof effect according to claim 3, characterized in that: One side of one of the connecting frames (15) is fixedly provided with two baffles (22), and one side of each of the two baffles (22) is fixedly provided with a rubber layer (23).
7. The planetary reducer with good waterproof effect according to claim 1, characterized in that: The outside of the first shell (1) and the second shell (6) is fixedly provided with a waterproof layer (24), and the waterproof layer (24) is made of a nano coating material.
Citation Information
Patent Citations
Solar energy optical tracking planet gear speed reducer sealing mechanism
CN205956354U