High-precision speed reducer assembly
By introducing disassembly and sealing structures into the reducer assembly, the problem of lubricating oil leakage is solved, achieving high-precision transmission and stability, ensuring no lubricating oil loss, and facilitating maintenance and lubrication.
Patent Information
- Application Number
- CN202520689282.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-14
AI Technical Summary
When disassembling and maintaining existing reducer components, lubricating oil tends to leak, causing resource waste and affecting transmission accuracy and stability.
The design incorporates a disassembly and sealing structure, including a fixing rod, a limiting plate, and a sealing ring. The housing is detachable through threaded connections and snap-fit mechanisms. Sealing rings are installed at the input and output shafts to prevent lubricant leakage.
It effectively prevents lubricating oil from flowing, maintains good lubrication, improves transmission accuracy and stability, and facilitates maintenance and lubricating oil replenishment.
Smart Images
Figure CN223806595U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of speed reducer assembly, specifically is a high accuracy speed reducer assembly. BACKGROUND
[0002] Speed reducer assembly refers to the structure that can carry out the operation of reducing speed, is each key part of constituting the speed reducer, they work together to realize the function of reducing speed, increasing torque and transmitting power, and together constitute the complete structure of the speed reducer, ensure that it efficiently and stably completes the task of reducing speed and power transmission, for example:
[0003] Chinese patent authorized announcement number CN214007918U discloses a kind of speed reducer assembly of convenient combination, input shaft output shaft (4) passes through the middle part of driving gear first sealing ring (12);Third bearing seat sealing plate (9) and fourth bearing seat inlet pipe (10) are set on first casing input shaft (2), and third bearing seat sealing plate (9) and fourth bearing seat inlet pipe (10) are provided with driven gear limiting plate (11) between, to realize that output shaft fixed rod (6) one end passes through third bearing seat sealing plate (9), fourth bearing seat inlet pipe (10) and driven gear limiting plate (11), and with third bearing seat sealing plate (9) and fourth bearing seat inlet pipe (10) rotationally connected, output shaft fixed rod (6) drives driven gear limiting plate (11) and driving gear first sealing ring (12) meshing.The utility model doubles super-large torsion in small body, light in weight, convenient to carry, can guarantee that input shaft bearing is effectively lubricated when speed reducer low-speed operation, with the advantages of simple structure, convenient processing and low cost, by screw connection of first casing and second casing, it can be conveniently disassembled and assembled.
[0004] In combination with existing scheme and actual production and processing, current speed reducer assembly still has some problems, such as: when disassembling and maintaining speed reducer assembly, shell is disassembled between by screw, when disassembling speed reducer shell and maintaining internal component, internal lubricating oil will flow out and cause waste, thereby leading to resource waste, therefore, the utility model provides a kind of high accuracy speed reducer assembly to solve the problems raised above. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of high accuracy speed reducer assembly to solve the problems raised above in the background art that when disassembling and maintaining speed reducer assembly, shell is disassembled between by screw, when disassembling speed reducer shell and maintaining internal component, internal lubricating oil will flow out and cause waste, thereby leading to resource waste.
[0006] To achieve the above object, the utility model provides the following technical scheme: A high-precision speed reducer assembly, including the speed reducer casing, its inside left side swing joint has input shaft, and the right side of input shaft is engaged with the speed reduction gear, and the right side of speed reduction gear is engaged with the output shaft;
[0007] Also includes:
[0008] Sealing plate, its movable installation is in the inside upper side of the speed reducer casing, and the upper side of sealing plate is fixedly installed with the cover plate, the upper end outside of the speed reducer casing is fixedly installed with the dismounting structure, and the dismounting structure includes fixed rod, first fixed plate and second fixed plate.
[0009] Preferably, the inside rear side of the speed reducer casing is swing connected with the second sealing ring, and the inside front side of the speed reducer casing is swing connected with the first sealing ring.
[0010] Preferably, the upper end left side of the cover plate is fixedly installed with the inlet pipe, and the middle part outside of inlet pipe is fixedly installed with the mounting plate, and the inside of mounting plate is fixedly installed with the limiting elastic sheet, and the inside of limiting elastic sheet is provided with the limiting plate.
[0011] Preferably, the first fixed plate is fixedly installed on the upper end outside of the speed reducer casing, and the middle part outside of first fixed plate is swing connected with the fixed rod playing the limiting effect, and the inside of fixed rod is swing connected with the second fixed plate, and the upper end inside of second fixed plate is fixedly connected with the outside of cover plate.
[0012] Preferably, the fixed rod and the second fixed plate are screw connected and play the fixed effect between the first fixed plate and the second fixed plate.
[0013] Preferably, the second fixed plate and the first fixed plate are connected in the mode of clamping, and the vertical section shape of the first fixed plate is " L " character structure.
[0014] Preferably, the limiting plate and the inlet pipe are clamped, and the limiting plate and the limiting elastic sheet are attached, and the limiting elastic sheet is symmetrically distributed about the center line of the inlet pipe.
[0015] Preferably, the second sealing ring and the speed reducer casing are connected in the mode of rotation and play the sealing effect between the input shaft and the speed reducer casing.
[0016] Compared with the prior art, the high-precision speed reducer assembly has the advantages that the detachable structure is arranged to detach the speed reducer shell cover plate, thereby avoiding waste caused by the flow of lubricating oil when the speed reducer shell is detached, the sealing structure is arranged to seal the output shaft and the input shaft from the speed reducer shell, lubricating oil leakage is reduced, the speed reducer assembly can maintain a good lubrication state for a long time, and transmission precision and stability are improved.
[0017] 1、 by rotating the fixed rod, the fixed rod is threadedly connected outside the middle of the first fixed plate, so that the fixed rod slides outward in the middle of the first fixed plate, so that the fixed rod moves outward below the second fixed plate, and then the fixed rod is separated from the upper end of the speed reducer shell, the fixed rod is separated from the lower end of the second fixed plate, and then the cover plate is pulled upward, so that the cover plate drives the second fixed plate to be separated from the outside of the speed reducer shell, so that the cover plate drives the sealing plate to be separated from the upper side of the speed reducer shell, and the cover plate is conveniently detached, so that the interior of the speed reducer shell is conveniently maintained.
[0018] 2、 by pulling the limiting plate upward, the limiting plate pushes the limiting spring piece to be compressed, so that the limiting plate is separated from the inside of the mounting plate, and then the limiting plate is separated from the upper end outside the inlet pipe, so that the lubricating oil enters the interior of the speed reducer shell through the inlet pipe, and the lubricating oil is conveniently added.
[0019] 3、 the second sealing ring fixedly installed outside the input shaft and the first sealing ring fixedly installed outside the front end of the output shaft rotate in the interior of the speed reducer shell, so that the second sealing ring and the first sealing ring respectively seal between the input shaft and the speed reducer shell and between the output shaft and the speed reducer shell, lubricating oil leakage is reduced, and transmission precision and stability are improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a sectional structure schematic view of the speed reducer shell and the input shaft connected as a whole of the utility model;
[0021] Figure 2 It is a sectional structure schematic view of the speed reducer shell and the input shaft connected as a whole of the utility model; Figure 1
[0022] Figure 3 It is a sectional structure schematic view of the speed reducer shell and the input shaft connected as a whole of the utility model;
[0023] Figure 4 It is a sectional structure schematic view of the speed reducer shell and the input shaft connected as a whole of the utility model; Figure 3
[0024] Figure 5 It is a sectional structure schematic view of the speed reducer shell and the input shaft connected as a whole of the utility model;
[0025] Figure 6 For the utility model Figure 5 Amplification structure schematic view of C place in.
[0026] In the figure: 1, the reducer housing;2, input shaft;3, reduction gear;4, output shaft;5, cover plate;6, fixed rod;7, the first fixed plate;8, the second fixed plate;9, sealing plate;10, into pipe;11, limit plate;12, the first sealing ring;13, the second sealing ring;14, mounting plate;15, limit elastic sheet. Specific implementation
[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a high-precision reducer assembly, including, reducer housing 1, input shaft 2, reduction gear 3, output shaft 4, cover plate 5, fixed rod 6, the first fixed plate 7, the second fixed plate 8, sealing plate 9, into pipe 10, limit plate 11, the first sealing ring 12, the second sealing ring 13, mounting plate 14 and limit elastic sheet 15, when working, specifically like Figure 1 、 Figure 2 And Figure 5As shown, the first fixed plate 7 is fixedly connected to the outer side of the upper end of the reducer shell 1, the fixed rod 6 is movably connected to the outer side of the middle of the first fixed plate 7, the first fixed plate 7 is movably installed on the outer side of the fixed rod 6, the inner side of the first fixed plate 7 is fixedly connected to the outer side of the cover plate 5, the fixed rod 6 is screwed on the middle side of the upper end of the first fixed plate 7, so that the fixed rod 6 is threadedly connected to the middle of the first fixed plate 7 under the action of screwing, so that the fixed rod 6 moves outward under the action of the thread between the fixed rod 6 and the first fixed plate 7, and then the fixed rod 6 moves outward on the lower side of the second fixed plate 8 under the sliding action of the fixed rod 6, so that the fixed rod 6 separates from the outer side of the upper end of the reducer shell 1 under the action of the fixed rod 6, so that the fixed rod 6 separates from the outer side of the second fixed plate 8, and then the cover plate 5 is manually pulled upward, so that the cover plate 5 moves upward under the action of the pulling force, so that the cover plate 5 drives the second fixed plate 8 to move upward under the action of the movement of the cover plate 5, so that the second fixed plate 8 separates from the inner side of the first fixed plate 7 under the action of the upward movement of the second fixed plate 8, so that the cover plate 5 drives the sealing plate 9 to separate from the upper side of the reducer shell 1 under the action of the upward movement of the cover plate 5, facilitating the disassembly of the cover plate 5, thereby facilitating the maintenance of the internal structure of the reducer shell 1;
[0029] Specifically as Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, the entering pipe 10 is fixedly installed on the left side of the upper end of the cover plate 5, the limiting plate 11 is movably connected to the upper side of the entering pipe 10, and the mounting plate 14 is fixedly installed on the outer side of the middle of the entering pipe 10, the limiting plate 11 is manually pulled upward, so that the limiting plate 11 moves upward under the action of the pulling force, so that the limiting plate 11 pushes the limiting spring 15 to compress under the action of the upward movement of the limiting plate 11, so that the clamping force of the limiting spring 15 on the limiting plate 11 disappears under the compression of the limiting spring 15, so that the limiting plate 11 slides upward in the interior of the mounting plate 14, so that the limiting plate 11 separates from the outer side of the upper end of the entering pipe 10, and then the lubricating oil is placed on the upper side of the entering pipe 10 and poured, so that the lubricating oil slides into the interior of the entering pipe 10 under the action of gravity, so that the lubricating oil flows into the interior of the reducer shell 1 under the action of gravity, and then the lubricating oil lubricates between the input shaft 2, the reduction gear 3 and the output shaft 4, facilitating the addition of the lubricating oil, and ensuring that the input shaft 2, the reduction gear 3 and the output shaft 4 maintain good lubrication for a long time, thereby improving the transmission accuracy;
[0030] Specifically as Figure 2 , Figure 3 and Figure 4As shown, the second sealing ring 13 fixedly installed outside the rear end of the input shaft 2, the first sealing ring 12 fixedly installed outside the front end of the output shaft 4, the second sealing ring 13 fixedly installed outside the rear end of the input shaft 2, can seal between the input shaft 2 and the reducer housing 1, and the first sealing ring 12 fixedly installed outside the front end of the output shaft 4 can seal between the output shaft 4 and the reducer housing 1, and the sealing plate 9 fixedly installed outside the lower end of the cover plate 5 is connected with the reducer housing 1, so that the sealing plate 9 seals between the reducer housing 1 and the cover plate 5, thereby further improving the transmission accuracy, and when the input shaft 2 is driven to rotate, the second sealing ring 13 is driven to rotate in the inside rear side of the reducer housing 1 under the action of the input shaft 2, so that the reduction gear 3 engaged with the input shaft 2 rotates in the inside middle side of the reducer housing 1 under the action of the input shaft 2, and the output shaft 4 engaged with the reduction gear 3 rotates under the action of the reduction gear 3, so that the first sealing ring 12 is driven to rotate in the inside front side of the reducer housing 1 under the action of the output shaft 4, facilitating gear reduction operation.
[0031] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.
[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A high-precision reducer assembly, comprising a reducer housing (1), the inside left side of which is movably connected with an input shaft (2), the right side of the input shaft (2) is engagedly connected with a reduction gear (3), and the right side of the reduction gear (3) is engagedly connected with an output shaft (4); further comprising: characterized in that a sealing plate (9) movably mounted on the inside upper side of the reducer housing (1), the upper side of the sealing plate (9) is fixedly mounted with a cover plate (5), the upper end of the outside of the reducer housing (1) is fixedly mounted with a dismounting structure, and the dismounting structure comprises a fixed rod (6), a first fixed plate (7) and a second fixed plate (8). The inside rear side of the reducer housing (1) is movably connected with a second sealing ring (13), and the inside front side of the reducer housing (1) is movably connected with a first sealing ring (12).
2. A high-precision reducer assembly according to claim 1, characterized in that: The upper end left side of the cover plate (5) is fixedly mounted with an inlet pipe (10), the middle part of the outside of the inlet pipe (10) is fixedly mounted with a mounting plate (14), the inside of the mounting plate (14) is fixedly mounted with a limiting spring (15), and the inside of the limiting spring (15) is provided with a limiting plate (11).
3. A high-precision reducer assembly according to claim 1, characterized in that: The first fixed plate (7) is fixedly mounted on the upper end of the outside of the reducer housing (1), the middle part of the outside of the first fixed plate (7) is movably connected with a fixed rod (6) serving as a limiting function, the inside of the fixed rod (6) is movably connected with a second fixed plate (8), and the upper end of the inside of the second fixed plate (8) is fixedly connected with the outside of the cover plate (5).
4. A high-precision reducer assembly according to claim 1, characterized in that: The fixed rod (6) and the second fixed plate (8) are threadedly connected and serve to fix the first fixed plate (7) and the second fixed plate (8).
5. A high-precision reducer assembly according to claim 4, characterized in that: The second fixed plate (8) and the first fixed plate (7) are connected in a clamping manner, and the vertical cross-sectional shape of the first fixed plate (7) is an "L" shaped structure.
6. A high-precision reducer assembly according to claim 5, wherein: The limiting plate (11) and the inlet pipe (10) are connected in a clamping manner, the limiting plate (11) and the limiting spring (15) are connected in a close contact manner, and the limiting spring (15) is symmetrically distributed about the center line of the inlet pipe (10).
7. A high-precision reducer assembly according to claim 3, characterized in that: The second sealing ring (13) and the reducer housing (1) are connected in a rotating manner and serve to seal the input shaft (2) and the reducer housing (1).
8. A high-precision reducer assembly according to claim 2, characterized in that: