CN213393461U - Sealing mechanism of planetary gear reducer - Google Patents
Sealing mechanism of planetary gear reducer Download PDFInfo
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- CN213393461U CN213393461U CN202021573646.6U CN202021573646U CN213393461U CN 213393461 U CN213393461 U CN 213393461U CN 202021573646 U CN202021573646 U CN 202021573646U CN 213393461 U CN213393461 U CN 213393461U
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Abstract
The utility model discloses a sealing mechanism of a planetary gear reducer, which comprises a reducer, wherein a sealing component is arranged at the position of a power output end and an input end of the reducer, the sealing assembly is connected with the reducer through a bolt and comprises a first clamping ring and a second clamping ring, the second snap ring is positioned at the rear side of the first snap ring, a gap is kept between the first snap ring and the second snap ring, the first snap ring is connected with the second snap ring through a bolt, a sealing rubber ring is arranged in a gap between the first snap ring and the second snap ring, the sealing rubber ring is connected with the first snap ring and the second snap ring in a propping and pressing way, the inner diameter of the sealing rubber ring is smaller than that of the first snap ring, the internal diameter of first snap ring and the internal diameter of second snap ring equal, the utility model provides a speed reducer can send out the oil leak phenomenon after long-time the use, leads to the unable problem of normally working of speed reducer.
Description
Technical Field
The utility model relates to a sealed technical field specifically is a sealing mechanism of planetary gear speed reducer.
Background
The reduction gear is the independent closed transmission between prime mover and the working machine, is used for reducing rotational speed and increase torque to satisfy the work needs, also be used for the acceleration rate in some occasions, the reduction gear is mostly sealed to be given first place to the oil blanket at present, utilizes the magnitude of interference of oil blanket and pivot, produces radial locking power, but this novel inventor of use discovers that the oil leak phenomenon can be sent out to the reduction gear after long-time the use, leads to the unable normal work of reduction gear, in order to solve this problem, the utility model discloses the inventor has designed this product.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sealing mechanism of planetary gear speed reducer aims at improving the speed reducer and can send out the oil leak phenomenon after long-time the use, leads to the unable problem of normal work of speed reducer.
The utility model discloses a realize like this:
a sealing mechanism of a planetary gear reducer comprises a reducer, wherein a sealing assembly is arranged at the positions of a power output end and an input end of the reducer and is in bolted connection with the reducer, the sealing assembly comprises a first clamping ring and a second clamping ring, the second clamping ring is positioned at the rear side of the first clamping ring, a gap is kept between the first clamping ring and the second clamping ring, the first clamping ring is in bolted connection with the second clamping ring, a sealing rubber ring is arranged in the gap between the first clamping ring and the second clamping ring and is in abutting connection with the first clamping ring and the second clamping ring, the inner diameter of the sealing rubber ring is smaller than that of the first clamping ring, the inner diameter of the first clamping ring is equal to that of the second clamping ring, the sealing assembly is arranged to provide a sealing space for the reducer, lubricating oil is prevented from flowing out, the work of the reducer is influenced, the first clamping ring and the second clamping ring are arranged to clamp the sealing rubber ring so as to be arranged in, and be convenient for according to actual need dismouting rubber seal, rubber seal's setting is convenient for realize seal assembly's sealing function, and rubber seal's internal diameter is less than first snap ring and second snap ring internal diameter, is convenient for make rubber seal hug closely in the pivot side of speed reducer, prevents that lubricating oil from the pivot side outflow speed reducer.
Further, the end face cutting of the power output end and the input end of the speed reducer is provided with a first circular through hole, the arc-shaped side face cutting of the first circular through hole is provided with two stepped grooves, the diameter of the stepped groove in the outer side of the two stepped grooves is larger than that of the inner stepped groove, the circular through hole is convenient to provide space for installing a rotating shaft and a sealing assembly of the speed reducer, the stepped groove is convenient to provide space for installing a sealing rubber ring and a first clamping ring, the stepped groove in the outer side is provided with a first clamping ring, and the sealing rubber ring is installed in the inner stepped groove.
Further, the arc side of first circular through-hole has a plurality of arc walls because of the arc side of two ladder grooves formation three different diameters, the arc side that the diameter is minimum has a plurality of arc walls along the even cutting of its circumferencial direction, the arc side that the diameter is maximum has a plurality of first half thread grooves along the even cutting of its circumferencial direction, the setting of arc wall is convenient for provide the buckle space for the connecting rod, the setting of first half thread groove is convenient for cooperate through bolted connection seal assembly with second half thread groove.
Further, the arc side of first snap ring has a plurality of second half thread grooves along the even cutting of its circumferencial direction, the leading flank of first snap ring has a plurality of second circular through-holes along the even cutting of its circumferencial direction, the front end of the circular through-hole of second all cuts has the annular groove, the setting of second half thread groove be convenient for with first half thread groove cooperation bolted connection seal assembly, the setting of the circular through-hole of second is convenient for provide the passageway for passing of connecting rod, the setting of annular groove is convenient for provide installation space for the installation of nut.
Furthermore, the side of the sealing rubber ring close to the first clamping ring is evenly cut along the circumferential direction of the side of the sealing rubber ring to form a plurality of third circular through holes, the third circular through holes are right opposite to the second circular through holes, and the third circular through holes are arranged to provide a channel for the connection rod to pass through so as to fix the sealing rubber ring and prevent the sealing rubber ring from deviating from the first clamping ring and the second clamping ring.
Further, the arc side of second snap ring is provided with a plurality of connecting rods along its circumferencial direction is even, connecting rod and second snap ring body coupling, and the arc side of connecting rod is close to first snap ring part fixedly connected with screw thread, and the setting of connecting rod is convenient for run through sealing rubber ring and first snap ring to fixed first snap ring, sealing rubber ring and second snap ring constitute seal assembly.
Further, seal assembly and first circular through-hole phase-match, and seal assembly installs in first circular through-hole.
During the use, connect first snap ring, sealed rubber ring and second snap ring through the connecting rod and constitute seal assembly, with seal assembly bolted connection in the first circular through-hole of speed reducer.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a setting up of sealing rubber ring is convenient for provide sealed space for the speed reducer, prevents that lubricating oil from flowing out the use that the speed reducer influences the speed reducer, and quick convenient dismouting when needing to change sealing rubber ring is convenient for through setting up of first snap ring and second snap ring, avoids the dismouting speed reducer, provides work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the speed reducer of the present invention;
fig. 3 is a schematic structural view of the sealing assembly of the present invention;
fig. 4 is a schematic structural view of a first snap ring of the present invention;
fig. 5 is a schematic structural view of the sealing rubber ring of the present invention;
fig. 6 is a schematic structural view of a second snap ring of the present invention;
in the figure: 1. a speed reducer; 11. a first circular through hole; 12. a stepped groove; 13. an arc-shaped slot; 14. a first half thread groove; 2. a seal assembly; 3. a first snap ring; 31. a second circular through hole; 32. an annular groove; 33. a second half thread groove; 4. sealing the rubber ring; 41. a third circular through hole; 5. a second snap ring; 51. a connecting rod; 52. and (4) threading.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Example (b): referring to fig. 1 and 3: a sealing mechanism of a planetary gear speed reducer comprises a speed reducer 1, a sealing assembly 2 is arranged at the position of a power output end and an input end of the speed reducer 1, the sealing assembly 2 is in bolted connection with the speed reducer 1, the sealing assembly 2 comprises a first clamping ring 3 and a second clamping ring 5, the second clamping ring 5 is positioned at the rear side of the first clamping ring 3, a gap is kept between the first clamping ring 3 and the second clamping ring 5, the first clamping ring 3 is in bolted connection with the second clamping ring 5, a sealing rubber ring 4 is arranged in the gap between the first clamping ring 3 and the second clamping ring 5, the sealing rubber ring 4 is in abutting connection with the first clamping ring 3 and the second clamping ring 5, the inner diameter of the sealing rubber ring 4 is smaller than that of the first clamping ring 3, the inner diameter of the first clamping ring 3 is equal to that of the second clamping ring 5, the sealing assembly 2 is convenient to provide a sealing space for the speed reducer 1 to prevent lubricating oil from flowing out of the, the setting of first snap ring 3 and second snap ring 5 is convenient for the centre gripping sealing rubber ring so that 4 installs in speed reducer 1, and is convenient for according to actual need dismouting sealing rubber ring 4, and sealing rubber ring 4's setting is convenient for realize seal assembly 2's sealing function, and sealing rubber ring 4's internal diameter is less than first snap ring 3 and 5 internal diameters of second snap ring, is convenient for make sealing rubber ring 4 hug closely in speed reducer 1's pivot side, prevents that lubricating oil from flowing out the speed reducer in the pivot side.
Referring to FIG. 2: the end face cutting of speed reducer 1's power take off end and input has first circular through-hole 11, the cutting of 11 arc sides of first circular through-hole has two ladder grooves 12, the diameter of the ladder groove 12 in the outside is greater than inside ladder groove 12 in two ladder grooves 12, the setting of circular through-hole 11 is convenient for provide the space for installing 1 pivot of speed reducer and seal assembly 2, the setting of ladder groove 12 is convenient for provide the space for installing sealed rubber ring 4 and first snap ring 3, and first snap ring 3 is installed to the ladder groove 12 in the outside, sealed rubber ring 4 is installed to inside ladder groove 12.
Referring to FIG. 2: the arc side of first circular through-hole 11 forms the arc side of three different diameters because of two ladder grooves 12, the arc side that the diameter is minimum has a plurality of arc walls 13 along the even cutting of its circumferencial direction, the arc side that the diameter is maximum has a plurality of first half thread grooves 14 along the even cutting of its circumferencial direction, the setting of arc wall 13 is convenient for provide the buckle space for connecting rod 51, the setting of first half thread groove 14 is convenient for cooperate through bolted connection seal assembly 2 with second half thread groove 33.
Referring to FIG. 4: the arc side of first snap ring 3 has a plurality of second half thread grooves 33 along the even cutting of its circumferencial direction, the leading flank of first snap ring 3 has a plurality of second circular through-holes 31 along the even cutting of its circumferencial direction, the front end of second circular through-hole 31 all cuts annular groove 32, the setting of second half thread groove 33 be convenient for with first half thread groove 14 cooperation bolted connection seal assembly 2, the setting of second circular through-hole 31 is convenient for provide the passageway for passing of connecting rod 51, the setting of annular groove 32 is convenient for provide installation space for the installation of nut.
Referring to FIG. 5: the side of sealing rubber ring 4 that is close to first snap ring 3 has a plurality of third circular through-holes 41 along the even cutting of its circumferencial direction, and third circular through-hole 41 is just right with the circular through-hole 31 of second, and the setting of third circular through-hole 41 is convenient for provide the passageway for connecting rod 51's the passing to fixed sealing rubber ring 4 prevents that sealing rubber ring 4 from deviating first snap ring 3 and second snap ring 5.
Referring to FIG. 6: the arc side of second snap ring 5 is provided with a plurality of connecting rods 51 along its circumferencial direction is even, connecting rod 51 and 5 a body coupling of second snap ring, and the arc side of connecting rod 51 is close to first snap ring 3 part fixedly connected with screw thread 52, and connecting rod 51's setting is convenient for run through sealing rubber ring 4 and first snap ring 3 to fixed first snap ring 3, sealing rubber ring 4 and second snap ring 5 constitute seal assembly 2.
Referring to FIG. 1: the sealing assembly 2 is matched with the first circular through hole 11, and the sealing assembly 2 is installed in the first circular through hole 11.
During the use, connect first snap ring 3, sealed rubber ring 4 and second snap ring 5 through connecting rod 51 and constitute seal assembly 2, with seal assembly 2 bolted connection in the first circular through-hole 11 of speed reducer 1.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a sealing mechanism of planetary gear reducer which characterized in that: comprises a speed reducer (1), sealing components (2) are arranged at the positions of a power output end and an input end of the speed reducer (1), the sealing assembly (2) is connected with the speed reducer (1) through a bolt, the sealing assembly (2) comprises a first clamping ring (3) and a second clamping ring (5), the second snap ring (5) is positioned at the rear side of the first snap ring (3), a gap is kept between the first snap ring (3) and the second snap ring (5), the first clamping ring (3) is connected with the second clamping ring (5) through a bolt, a sealing rubber ring (4) is arranged in a gap between the first clamping ring (3) and the second clamping ring (5), the sealing rubber ring (4) is connected with the first snap ring (3) and the second snap ring (5) in a pressing way, the inner diameter of the sealing rubber ring (4) is smaller than that of the first snap ring (3), the inner diameter of the first clamping ring (3) is equal to the inner diameter of the second clamping ring (5).
2. A sealing mechanism of a planetary gear reducer according to claim 1, wherein the end face of the power output end and the input end of the reducer (1) is cut with a first circular through hole (11), the arc-shaped side face of the first circular through hole (11) is cut with two stepped grooves (12), and the diameter of the outer stepped groove (12) is larger than that of the inner stepped groove (12) in the two stepped grooves (12).
3. A sealing mechanism of a planetary gear reducer according to claim 2, wherein the arc-shaped side surface of the first circular through hole (11) forms three arc-shaped side surfaces with different diameters due to two stepped grooves (12), the arc-shaped side surface with the smallest diameter is uniformly cut with a plurality of arc-shaped grooves (13) along the circumferential direction thereof, and the arc-shaped side surface with the largest diameter is uniformly cut with a plurality of first half-thread grooves (14) along the circumferential direction thereof.
4. A sealing mechanism of a planetary gear reducer according to claim 3, wherein the arc-shaped side surface of the first snap ring (3) is uniformly cut along its circumferential direction with a plurality of second half thread grooves (33), the front side surface of the first snap ring (3) is uniformly cut along its circumferential direction with a plurality of second circular through holes (31), and the front ends of the second circular through holes (31) are each cut with an annular groove (32).
5. A sealing mechanism of a planetary gear reducer according to claim 4, wherein the side of the sealing rubber ring (4) close to the first snap ring (3) is evenly cut with a plurality of third circular through holes (41) along the circumferential direction, and the third circular through holes (41) are opposite to the second circular through holes (31).
6. A sealing mechanism of a planetary gear reducer according to claim 5, characterized in that a plurality of connecting rods (51) are uniformly arranged on the arc-shaped side surface of the second snap ring (5) along the circumferential direction thereof, the connecting rods (51) are integrally connected with the second snap ring (5), and a part of the arc-shaped side surface of the connecting rods (51) close to the first snap ring (3) is fixedly connected with a thread (52).
7. A sealing mechanism of a planetary gear reducer according to claim 6, wherein the sealing assembly (2) is matched with the first circular through hole (11), and the sealing assembly (2) is installed in the first circular through hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573646.6U CN213393461U (en) | 2020-08-03 | 2020-08-03 | Sealing mechanism of planetary gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573646.6U CN213393461U (en) | 2020-08-03 | 2020-08-03 | Sealing mechanism of planetary gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213393461U true CN213393461U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021573646.6U Active CN213393461U (en) | 2020-08-03 | 2020-08-03 | Sealing mechanism of planetary gear reducer |
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| Country | Link |
|---|---|
| CN (1) | CN213393461U (en) |
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- 2020-08-03 CN CN202021573646.6U patent/CN213393461U/en active Active
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