Waterproof planetary reducer

Abstract

The utility model discloses a waterproof planetary reducer, and relates to the technical field of reducers. The sealing device comprises a reduction gearbox, sealing assemblies are attached to the left end and the right end of the reduction gearbox respectively, and end covers used for sealing are inserted into the end faces of the sealing assemblies and the interior of the reduction gearbox. The two sets of flange steel plates are tightly attached to the end face of the reduction gearbox and the end face of the end cover through the corrugated rubber sealing pipe sleeve and the elastic ring, the corrugated rubber sealing pipe sleeve is protected through the elastic ring, the corrugated rubber sealing pipe sleeve is prevented from making contact with air, the oxidation speed is reduced, and the service life of the reduction gearbox is prolonged. The corrugated rubber sealing pipe sleeve is arranged in the speed reduction box, so that the service life of the corrugated rubber sealing pipe sleeve can be prolonged, and external water is prevented from entering the speed reduction box to affect operation of the planetary speed reduction assembly; and through the planetary speed reduction assembly, the high torque transmission capacity is achieved for power speed reduction.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a waterproof planetary reducer. Background Art

[0002] Planetary reducer is a common mechanical transmission device used to reduce the speed of the drive device and increase the torque output. It consists of multiple gears, one or more of which rotate around the central axis and at the same time rotate around another central axis. Planetary reducer plays an important role in many mechanical transmission applications through its compact structure and efficient torque transmission capability.

[0003] The two ends of the existing planetary reducer reducer are fixed to the end cover and the end face of the reducer by bolts, and a sealing rubber ring is often set between the reducer and the end cover. The sealing rubber ring will age and crack after long-term use. Therefore, water is likely to enter the inner wall of the reducer during use, which can easily cause corrosion of multiple sets of gears inside it.

[0004] For this purpose, a waterproof planetary reducer is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems raised in the above background technology, and the utility model provides a waterproof planetary reducer.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A waterproof planetary reducer comprises a reduction box, the left and right ends of the reduction box are respectively fitted with sealing assemblies, the end face of the sealing assembly and the interior of the reduction box are both plugged with end covers for sealing, and the other end of the end cover is provided with a top ring, the reduction box, the sealing assembly and the interior of the end cover are all plugged with fixing bolts, the reduction box and the interior of the end cover are both plugged with planetary reduction assemblies, the sealing assembly comprises flange steel plates, corrugated rubber sealing sleeves are fixedly installed on the opposite surfaces of two groups of the flange steel plates, elastic rings are fixedly installed on the opposite surfaces of the two groups of the flange steel plates, and through holes are opened on the surfaces of the flange steel plates.

[0008] Furthermore, the reduction box comprises a shell, and four groups of positioning clips are fixedly mounted on the inner wall of the shell. A flange ring is fixedly sleeved on the surface of the shell, and the flange ring is flush with the end surface of the shell.

[0009] Furthermore, the planetary reduction assembly includes an internal gear ring, an internal gear ring is fixedly inserted into the interior of the shell, a first connecting shaft is rotatably inserted into the interior of the left end cover, a planetary carrier is fixedly mounted on one end of the first connecting shaft, and a rotating shaft is rotatably mounted on one side wall of the planetary carrier, a planetary gear is fixedly sleeved on the surface of the rotating shaft, and the planetary gear and the internal gear ring are meshingly installed, a second connecting shaft is rotatably inserted into the interior of the right end cover, a sun gear is fixedly sleeved on the surface of the second connecting shaft, and the rotating shaft and the planetary gear are meshingly installed.

[0010] Furthermore, a groove is provided on the surface of the inner gear ring, and when the inner gear ring is installed, the groove on the surface of the inner gear ring and the positioning strip on the inner wall of the shell are plugged into each other.

[0011] Furthermore, the elastic ring is made of spring steel, and the corrugated rubber sealing sleeve is made of elastic rubber material.

[0012] The beneficial effects of the utility model are as follows:

[0013] The end cover and the reduction box are connected by fixing bolts, so that the two groups of flange steel plates are respectively fitted with the end faces of the reduction box and the end faces of the end cover, so that the corrugated rubber sealing sleeve and the elastic ring are compressed. The two groups of flange steel plates are respectively tightly fitted with the end faces of the reduction box and the end faces of the end cover through the corrugated rubber sealing sleeve and the elastic ring, and the corrugated rubber sealing sleeve is protected by the elastic ring to prevent the corrugated rubber sealing sleeve from contacting with the air, reducing the oxidation rate, thereby increasing the service life of the corrugated rubber sealing sleeve, and preventing external water from entering the interior of the reduction box and affecting the operation of the planetary reduction assembly. The two ends of the planetary reduction assembly are respectively connected to the output end of the drive part and the input end of the actuator, and the planetary reduction assembly is used to achieve high torque transmission capability for power reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural explosion diagram of the utility model;

[0016] Figure 3 It is a front cross-sectional view of the utility model;

[0017] Figure 4 This utility model Figure 3 A magnified view of part A;

[0018] Figure numerals: 1. reduction box; 101. housing; 102. positioning strip; 103. flange ring; 2. sealing assembly; 201. flange steel plate; 202. corrugated rubber sealing sleeve; 203. elastic ring; 3. end cover; 31. top ring; 4. fixing bolt; 5. planetary reduction assembly; 501. internal gear ring; 502. first connecting shaft; 503. planetary carrier; 504. rotating shaft; 505. planetary gear; 506. second connecting shaft; 507. sun gear. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] like Figures 1 to 4As shown, a waterproof planetary reducer comprises a reducer 1, the left and right ends of the reducer 1 are respectively fitted with a sealing assembly 2, the end face of the sealing assembly 2 and the interior of the reducer 1 are plugged with an end cover 3 for sealing, and the other end of the end cover 3 is provided with a top ring 31, the reducer 1, the sealing assembly 2 and the interior of the end cover 3 are plugged with fixing bolts 4, and the interior of the reducer 1 and the end cover 3 are plugged with a planetary reduction assembly 5. More specifically, the sealing assembly 2 and the end cover 3 are fixedly installed with the end of the reducer 1 by the fixing bolt 4, and the sealing assembly 2 is located between the end cover 3 and the reducer 1 during installation, so that the sealing assembly 2 is compressed, and the gap between the reducer 1 and the end cover 3 is sealed by the sealing assembly 2 to prevent external water from entering the interior of the reducer 1 and affecting the operation of the planetary reduction assembly 5, and the two ends of the planetary reduction assembly 5 are respectively connected to the output end of the driving part and the input end of the actuator, and the planetary reduction assembly 5 is used to achieve high torque transmission capacity for power reduction.

[0024] The reduction box 1 includes a housing 101, and four sets of positioning clips 102 are fixedly installed on the inner wall of the housing 101. A flange ring 103 is fixedly sleeved on the surface of the housing 101, and the flange ring 103 is flush with the end surface of the housing 101. More specifically, the fixing bolts 4 are inserted through the surface of the flange ring 103, so that the end cover 3 and the sealing assembly 2 can be fixedly connected.

[0025] The sealing assembly 2 includes a flange steel plate 201, and two groups of flange steel plates 201 are fixedly mounted with corrugated rubber sealing sleeves 202 on the opposite surfaces thereof, and elastic rings 203 are fixedly mounted with the opposite surfaces thereof, and a through hole is provided on the surface of the flange steel plate 201. More specifically, the end cover 3 and the reduction box 1 are connected by fixing bolts 4, so that the two groups of flange steel plates 201 are respectively fitted with the end faces of the reduction box 1 and the end faces of the end cover 3, so that the corrugated rubber sealing sleeve 202 and the elastic ring 203 are compressed, and the two groups of flange steel plates 201 are respectively closely fitted with the end faces of the reduction box 1 and the end faces of the end cover 3 by the corrugated rubber sealing sleeve 202 and the elastic ring 203, and the corrugated rubber sealing sleeve 202 is protected by the elastic ring 203 to prevent the corrugated rubber sealing sleeve 202 from contacting with the air, reduce the oxidation rate, and thus improve the service life of the corrugated rubber sealing sleeve 202.

[0026] The planetary reduction assembly 5 includes an internal gear ring 501, the internal gear ring 501 is fixedly inserted into the shell 101, the first connecting shaft 502 is rotatably inserted into the interior of the left end cover 3, one end of the first connecting shaft 502 is fixedly mounted with a planet carrier 503, and a rotating shaft 504 is rotatably mounted on a side wall of the planet carrier 503, a planetary gear 505 is fixedly sleeved on the surface of the rotating shaft 504, and the planetary gear 505 and the internal gear ring 501 are meshingly installed, a second connecting shaft 506 is rotatably inserted into the interior of the right end cover 3, and a sun gear 507 is fixedly sleeved on the surface of the second connecting shaft 506, and the rotating shaft 504 and the planetary gear 505 are meshingly installed. More specifically, the second connecting shaft 506 is connected to the output end of the driving part, and the first connecting shaft 502 is connected to the input end of the executing part. The second connecting shaft 506 and the sun gear 507 are driven to rotate by the driving part. The sun gear 507 and the planetary gear 505 are meshed to drive the planetary gear 505, the rotating shaft 504 and the planetary carrier 503 to rotate, thereby reducing the power and transmitting it to the first connecting shaft 502, realizing the power reduction with high torque transmission capability, and driving the executing part to rotate through the first connecting shaft 502.

[0027] A groove is formed on the surface of the inner gear ring 501, and when the inner gear ring 501 is installed, the groove on the surface of the inner gear ring 501 and the positioning clip 102 on the inner wall of the housing 101 are plugged into each other. More specifically, the positioning clip 102 on the inner wall of the housing 101 and the groove on the surface of the inner gear ring 501 are engaged with each other, so that the inner gear ring 501 is fixed, and the left and right ends of the inner gear ring 501 are limited by the top ring 31.

[0028] The elastic ring 203 is made of spring steel, and the corrugated rubber sealing sleeve 202 is made of elastic rubber material. More specifically, the elastic ring 203 and the corrugated rubber sealing sleeve 202 are both elastic, thereby improving the sealing performance between the end cover 3 and the reduction box 1.

[0029] In summary: the sealing assembly 2 and the end cover 3 are fixedly installed on the end of the reduction box 1 by fixing the bolts 4. During installation, the sealing assembly 2 is located between the end cover 3 and the reduction box 1, thereby compressing the sealing assembly 2. The sealing assembly 2 is used to seal the gap between the reduction box 1 and the end cover 3 to prevent external water from entering the interior of the reduction box 1 and affecting the operation of the planetary reduction assembly 5. The two ends of the planetary reduction assembly 5 are respectively connected to the output end of the driving part and the input end of the actuator, and the planetary reduction assembly 5 is used to achieve high torque transmission capability for power reduction.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A waterproof planetary reducer, characterized in that: The invention comprises a reduction box (1), wherein the left and right ends of the reduction box (1) are respectively fitted with sealing assemblies (2), the end faces of the sealing assemblies (2) and the interior of the reduction box (1) are both plugged with end covers (3) for sealing, and the other end of the end cover (3) is provided with a top ring (31), the interiors of the reduction box (1), the sealing assemblies (2) and the end covers (3) are all plugged with fixing bolts (4), the interiors of the reduction box (1) and the end covers (3) are both plugged with planetary reduction assemblies (5), the sealing assemblies (2) comprise flange steel plates (201), corrugated rubber sealing sleeves (202) are fixedly mounted on the opposite surfaces of two groups of the flange steel plates (201), elastic rings (203) are fixedly mounted on the opposite surfaces of the two groups of the flange steel plates (201), and the surfaces of the flange steel plates (201) are provided with through holes.

2. A waterproof planetary reducer according to claim 1, characterized in that: The reduction box (1) comprises a shell (101), the inner wall of which is fixedly mounted four sets of positioning clips (102), the surface of which is fixedly sleeved with a flange ring (103), and the flange ring (103) is flush with the end surface of the shell (101).

3. A waterproof planetary reducer according to claim 2, characterized in that: The planetary reduction assembly (5) comprises an internal gear ring (501), the internal of the housing (101) is fixedly plugged with the internal gear ring (501), the internal of the left end cover (3) is rotatably plugged with a first connecting shaft (502), one end of the first connecting shaft (502) is fixedly mounted with a planet carrier (503), and a rotating shaft (504) is rotatably mounted on a side wall of the planet carrier (503), a surface of the rotating shaft (504) is fixedly sleeved with a planetary gear (505), and the planetary gear (505) and the internal gear ring (501) are meshingly mounted, and a second connecting shaft (506) is rotatably plugged with the internal of the right end cover (3), and a surface of the second connecting shaft (506) is fixedly sleeved with a sun gear (507), and the rotating shaft (504) and the planetary gear (505) are meshingly mounted.

4. A waterproof planetary reducer according to claim 3, characterized in that: The surface of the inner gear ring (501) is provided with a groove, and when the inner gear ring (501) is installed, the groove on the surface of the inner gear ring (501) and the positioning clip (102) on the inner wall of the housing (101) are plugged into each other.

5. The waterproof planetary reducer according to claim 3, characterized in that: The elastic ring (203) is made of spring steel, and the corrugated rubber sealing sleeve (202) is made of elastic rubber material.

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