CN216789201U - Planetary reducer shell with built-in cooling flow channel and planetary reducer - Google Patents
Planetary reducer shell with built-in cooling flow channel and planetary reducer Download PDFInfo
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- CN216789201U CN216789201U CN202220183329.6U CN202220183329U CN216789201U CN 216789201 U CN216789201 U CN 216789201U CN 202220183329 U CN202220183329 U CN 202220183329U CN 216789201 U CN216789201 U CN 216789201U
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Abstract
The application relates to a planetary reducer shell with a built-in cooling flow channel and a planetary reducer, which comprise a shell, wherein the shell comprises a first connecting seat and a second connecting seat, the first connecting seat and the second connecting seat are connected through a bolt, a heat dissipation ring groove is arranged at one end, away from the second connecting seat, of the first connecting seat, a first flow channel is arranged at the bottom of the heat dissipation ring groove, a heat dissipation assembly is embedded in the heat dissipation ring groove, the heat dissipation assembly is provided with a cooling flow channel, and the cooling flow channel is communicated with the first flow channel; the notch of the heat dissipation ring groove is provided with a ring cover for covering the heat dissipation ring groove, and a liquid inlet and a liquid outlet penetrate through the ring cover along the axial direction. Through setting up cooling channel and first runner, through pouring into the coolant liquid from the inlet, take the coolant liquid out again and take out from the liquid outlet, the coolant liquid takes away the heat of casing after cooling channel and first runner flow, reduces the temperature of casing, improves planetary reducer's heat-sinking capability, improves planetary reducer work stability and reliability of operation.
Description
Technical Field
The application relates to the technical field of planetary reducers, in particular to a planetary reducer shell with a built-in cooling flow channel and a planetary reducer.
Background
The planetary reducer is an industrial product widely applied to various devices, can be matched with various motors for use, reduces the rotating speed of the motors and has the effect of increasing torque.
However, in the working process of the existing planetary reducer, the inside of the existing planetary reducer can generate larger heat, and because the heat dissipation capacity of the outer shell of the planetary reducer is limited, the heat generated by the operation of the internal gear can not be effectively led out only through the outer shell of the planetary reducer, so that the gear is operated in a high-temperature state for a long time, the service life of the whole planetary reducer is influenced, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
In order to improve the heat dissipation capacity of the planetary reducer, the application provides a planetary reducer shell with a built-in cooling flow channel and the planetary reducer.
The application provides a planetary reducer casing and planetary reducer of built-in cooling runner adopts following technical scheme:
a planetary reducer shell with a built-in cooling runner and a planetary reducer comprise a shell, wherein the shell comprises a first connecting seat and a second connecting seat, the first connecting seat and the second connecting seat are connected through bolts, a heat dissipation ring groove is formed in one end, far away from the second connecting seat, of the first connecting seat, a first runner is arranged at the bottom of the heat dissipation ring groove, a heat dissipation assembly is embedded in the heat dissipation ring groove, the heat dissipation assembly is provided with a cooling runner, and the cooling runner is communicated with the first runner;
the notch of heat dissipation annular is equipped with the ring closure that is used for closing the heat dissipation annular, it has inlet and liquid outlet to run through along the axial on the ring closure.
Through the technical scheme, the cooling flow channel and the first flow channel are arranged, when the shell generates heat due to the working and the operation of the internal gear, the cooling liquid is injected from the liquid inlet and then is extracted from the liquid outlet, so that the cooling liquid circularly flows in the cooling flow channel and the first flow channel, the heat of the shell is taken away through the cooling liquid, the temperature of the shell is reduced, and the heat dissipation capacity of the planetary reducer is improved;
the reliability of the work and the operation of the planetary reducer is improved by improving the heat dissipation capacity of the shell.
Optionally, the heat dissipation assembly includes a plurality of heat conduction rings, and a diversion ring groove is coaxially formed at each of two axial ends of each heat conduction ring;
a diversion hole is formed in the bottom of each diversion ring groove and completely penetrates through the heat conduction ring along the axis direction;
every two adjacent heat conduction rings are coaxially arranged and mutually attached, and the flow guide ring grooves of all the heat conduction rings jointly form a cooling flow channel.
Through above-mentioned technical scheme, set up a plurality of heat conduction ring and water conservancy diversion annular, constitute the cooling flow channel jointly through a plurality of water conservancy diversion annular, improve the flow range of coolant liquid for the coolant liquid can flow more even, improve the heat-sinking capability of casing.
Optionally, a plurality of flow guide holes are circumferentially distributed at the bottom of each flow guide ring groove.
Through the technical scheme, the connectivity between the adjacent diversion ring grooves is improved, so that the cooling liquid can flow more uniformly.
Optionally, the first runner is also an annular groove, the first runner and the heat dissipation annular groove are coaxially arranged, and the size of the first runner is the same as that of the flow guide annular groove.
Through above-mentioned technical scheme, when the heat conduction ring laminating in heat dissipation annular groove bottom, the water conservancy diversion annular groove that is located heat dissipation annular groove bottom can align completely with first runner, and then reduces the gap between heat conduction ring and the heat dissipation annular groove bottom, reduces the contact of coolant liquid and heat dissipation annular groove, improves the leakproofness of cooling runner and first runner, and then reduces because of the coolant liquid leads to the possibility that heat dissipation annular inner wall is corroded or is oxidized.
Optionally, each heat conduction ring is made of ceramic.
Through above-mentioned technical scheme, the pottery has higher hardness and good heat conductivity, and the heat that absorbs and reach shells inner wall that can be fine to derive the heat through the coolant liquid, improve the heat-sinking capability of casing.
Optionally, the inner ring and the outer ring of each heat conduction ring are respectively attached to two radial side walls of the heat dissipation ring groove.
Through above-mentioned technical scheme, reduce the gap between heat conduction ring and the heat dissipation annular lateral wall, improve the leakproofness of cooling runner and first runner, and then reduce because of the coolant liquid leads to the possibility that heat dissipation annular inner wall is corroded or is oxidized.
Optionally, the two radial lateral walls of heat dissipation annular have coaxially seted up sealed annular respectively, and every sealed annular all is coaxial to be equipped with the elasticity sealing washer, two the relative terminal surface of elasticity sealing washer respectively the butt in two radial lateral walls of ring closure.
Through above-mentioned technical scheme, set up the elasticity sealing washer, reduce the seepage of coolant liquid in cooling channel and the first runner, improve the leakproofness.
Optionally, an annular mounting groove is formed in one end, away from the second connecting seat, of the first connecting seat, the annular mounting groove and the heat dissipation ring groove are coaxially arranged, the bottom of the annular mounting groove penetrates through the heat dissipation ring groove in the axial direction and is communicated with the heat dissipation ring groove, and an annular cover is embedded in the annular mounting groove;
the tank bottom of annular mounting groove is equipped with the connection screw, connecting bolt is worn to be equipped with by the ring lid, connecting bolt and connection screw threaded connection, the ring lid passes through connecting bolt and is connected with annular mounting groove with the cooperation of connecting the screw.
Through above-mentioned technical scheme, set up connecting bolt and connection screw, improve the stability that the ring lid is connected.
The planetary reducer comprises any one of the planetary reducer shells with the built-in cooling flow channels.
Through above-mentioned technical scheme, improve planetary reducer's heat-sinking capability.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) by arranging the cooling flow channel and the first flow channel, when the shell generates heat due to the working and running of the internal gear, the cooling liquid is injected from the liquid inlet and then is extracted from the liquid outlet, so that the cooling liquid circularly flows in the cooling flow channel and the first flow channel, the heat of the shell is taken away by the cooling liquid, the temperature of the shell is reduced, and the heat dissipation capacity of the planetary reducer is improved;
(2) the cooling flow channel is formed by the plurality of the flow guide ring grooves together by arranging the plurality of the heat conduction rings and the flow guide ring grooves, so that the flowing range of the cooling liquid is improved, the cooling liquid can flow more uniformly, and the heat dissipation capacity of the shell is improved;
(3) the inner ring and the outer ring of each heat conduction ring are uniformly fitted to two radial side walls of the heat dissipation ring groove, so that gaps between the heat conduction rings and the side walls of the heat dissipation ring groove are reduced, the sealing performance of the cooling flow channel and the first flow channel is improved, and the possibility that the inner wall of the heat dissipation ring groove is corroded or oxidized due to cooling liquid is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of the present embodiment.
Fig. 2 is a schematic cross-sectional view of the overall structure of the present embodiment, which is used for showing the structures of the heat dissipation ring groove and the heat dissipation assembly.
Fig. 3 is a schematic structural view of the heat conduction ring of the present embodiment.
Fig. 4 is a partial cross-sectional view of the seal ring groove of the present embodiment.
Fig. 5 is a schematic cross-sectional view of the entire structure of the present embodiment, showing the internal structure of the housing.
Reference numerals: 1. a housing; 101. a first connecting seat; 102. a second connecting seat; 2. an annular mounting groove; 3. a heat dissipation ring groove; 4. a heat dissipating component; 401. a heat conducting ring; 402. a flow guide ring groove; 5. a flow guide hole; 6. a first flow passage; 7. a ring cover; 8. a connecting screw hole; 9. a connecting bolt; 10. a liquid inlet; 11. a liquid outlet; 12. sealing the ring groove; 13. an elastic sealing ring; 14. a planetary rotating stand; 15. a planetary rotation chamber; 16. a planetary gear set; 17. a coupling; 18. an output shaft; 19. and the inner gear ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a planetary reducer shell with a built-in cooling flow channel.
Referring to fig. 1 and 2, the portable electronic device comprises a housing 1, wherein the housing 1 comprises a first connecting seat 101 and a second connecting seat 102, and the first connecting seat 101 and the second connecting seat 102 are fixedly installed in a bolt connection mode. An annular mounting groove 2 is formed in one end, away from the second connecting seat 102, of the first connecting seat 101, and a heat dissipation ring groove 3 is coaxially formed in the bottom of the annular mounting groove 2.
Referring to fig. 2 and 3, the heat dissipation ring groove 3 is embedded with a heat dissipation assembly 4, the heat dissipation assembly 4 includes a plurality of heat conduction rings 401, and the heat conduction rings 401 are made of ceramic. Every heat conduction ring 401 all imbeds in heat dissipation annular groove 3, and a plurality of heat conduction ring 401 is arranged in proper order by heat dissipation annular groove 3's tank bottom to notch along the axis direction, and laminates each other between the adjacent heat conduction ring 401, and heat dissipation annular groove 3's tank bottom and the axial both ends of heat conduction ring 401 are the plane. The axis of each heat conduction ring 401 coincides with the axis of the heat dissipation ring groove 3, and the inner ring and the outer ring of each heat conduction ring 401 are respectively attached to two radial side walls of the heat dissipation ring groove 3. The two axial ends of each heat conduction ring 401 are coaxially provided with a guide ring groove 402, and the radial section of each guide ring groove 402 is semicircular. All the guide ring grooves 402 on the plurality of heat conduction rings 401 jointly form a cooling flow passage for the cooling liquid to flow through.
The bottom of each guide ring groove 402 is uniformly distributed with a plurality of guide holes 5 along the circumferential direction, and each guide hole 5 completely penetrates through the heat-conducting ring 401 along the axial direction. Two guide ring grooves 402 at two axial ends of each heat conduction ring 401 are communicated with each other through a plurality of guide holes 5 on each heat conduction ring 401.
The first flow channel 6 is formed at the bottom of the heat dissipation ring groove 3, the first flow channel 6 is a ring groove, the axis of the ring groove is overlapped with the axis of the flow guide ring groove 402, and the size of the first flow channel 6 is consistent with that of the flow guide ring groove 402.
The annular mounting groove 2 is embedded with an annular cover 7, the bottom of the annular mounting groove 2 is provided with a plurality of connecting screw holes 8, and the connecting screw holes 8 are uniformly distributed at the bottom of the annular mounting groove 2 in the circumferential direction; the ring cover 7 is provided with a plurality of connecting bolts 9 in a penetrating way, and the plurality of connecting bolts 9 are circumferentially and uniformly distributed on the axial end surface of the ring cover 7. The number of the connecting bolts 9 is the same as that of the connecting screw holes 8, and the connecting bolts 9 and the connecting screw holes 8 are in one-to-one corresponding threaded connection. The ring cover 7 is fixed on the ring-shaped mounting groove 2 through the matching installation of the connecting bolt 9 and the connecting screw hole 8. The end face of the ring cover 7 facing the heat dissipation ring groove 3 is attached to the end face of the heat conduction ring 401 located at the notch of the heat dissipation ring groove 3 and far away from the bottom of the heat dissipation ring groove 3.
Referring to fig. 2 and 4, the two radial sidewalls of the heat dissipation ring groove 3 are coaxially provided with a sealing ring groove 12, each sealing ring groove 12 is coaxially provided with an elastic sealing ring 13, and the opposite end surfaces of the two elastic sealing rings 13 are respectively abutted against the two radial ends of the ring cover 7.
Referring to fig. 1 and 2, ring cover 7 is kept away from the terminal surface of 2 tank bottoms of annular mounting groove and has been seted up inlet 10 and liquid outlet 11, and inlet 10 and liquid outlet 11 are the round hole, and inlet 10 and liquid outlet 11 are the symmetric distribution along the axis of ring cover 7, and inlet 10 and liquid outlet 11 all run through ring cover 7 completely along the axis direction and communicate with the cooling runner, and inlet 10 and liquid outlet 11 are used for the pipeline intercommunication that has the coolant liquid with the outside expert.
The embodiment of the application further discloses a planetary reducer, and referring to fig. 5, the planetary reducer housing with the built-in cooling flow channel is applied, a planetary rotating frame 14 is installed in the housing 1, the planetary rotating frame 14 is provided with a planetary rotating cavity 15, a planetary gear set 16 is arranged in the planetary rotating cavity 15, and the housing 1 is further fixed with an inner gear ring 19 used for being matched with the planetary gear set 16.
The planetary gear set 16 includes a sun gear and three planet pinions that mesh with the sun gear.
The three planet pinions are all meshed with the ring gear 19. An input shaft is coaxially fixed on the sun wheel, one end of the input shaft, which is far away from the planetary rotating frame 14, is coaxially connected with a coupler 17, and the other end of the coupler 17 is used for being connected with an input shaft of an external motor. An output shaft 18 is fixed at one end of the planetary rotating frame 14 far away from the coupler 17, and the axis of the output shaft 18 is coincident with the axis of the input shaft.
Referring to fig. 1 and 5, heat is continuously generated between the planet pinions and the sun gear and the ring gear 19 during operation, resulting in an increase in temperature within the housing 1. The cooling liquid is introduced from the liquid inlet 10, so that the cooling liquid flows through the cooling flow channel and the first flow channel 6. Because the heat conduction ring 401 is made of ceramic, the heat of the shell 1 can be well absorbed and conducted, the cooling liquid flows in the cooling flow channel and the first flow channel 6 and continuously absorbs the heat of the heat conduction ring 401, and the cooling liquid brings the absorbed heat away from the shell 1 from the liquid outlet 11, so that the shell 1 is cooled, the heat dissipation capacity of the shell 1 is improved, the heat dissipation capacity of the whole planetary reducer is improved, and the reliability and the stability of the work and the operation of the planetary reducer are improved.
The working principle of the embodiment is as follows: the cooling liquid is introduced from the liquid inlet 10, flows between the plurality of diversion ring grooves 402 and the first flow channel 6, is extracted from the liquid outlet 11, and is extracted from the diversion ring grooves 402 and the first flow channel 6, so that the heat is taken away from the shell 1.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A planetary reducer casing of built-in cooling runner, includes casing (1), casing (1) includes first connecting seat (101) and second connecting seat (102), pass through bolted connection between first connecting seat (101) and second connecting seat (102), its characterized in that: a heat dissipation ring groove (3) is formed in one end, away from the second connecting seat (102), of the first connecting seat (101), a first flow channel (6) is formed in the bottom of the heat dissipation ring groove (3), a heat dissipation assembly (4) is embedded in the heat dissipation ring groove (3), the heat dissipation assembly (4) is provided with a cooling flow channel, and the cooling flow channel is communicated with the first flow channel (6);
the notch of heat dissipation annular (3) is equipped with ring closure (7) that are used for closing heat dissipation annular (3), it has inlet (10) and liquid outlet (11) to run through along the axial on ring closure (7).
2. A planetary reducer casing with built-in cooling flow passage according to claim 1, characterized in that: the heat dissipation assembly (4) comprises a plurality of heat conduction rings (401), and two axial ends of each heat conduction ring (401) are respectively and coaxially provided with a flow guide ring groove (402);
a diversion hole (5) is formed in the bottom of each diversion ring groove (402), and the diversion hole (5) completely penetrates through the heat conduction ring (401) along the axis direction;
every two adjacent heat conduction rings (401) are coaxially arranged and mutually attached, and the flow guide ring grooves (402) of all the heat conduction rings (401) jointly form a cooling flow channel.
3. A planetary reducer casing with built-in cooling flow passage according to claim 2, characterized in that: a plurality of diversion holes (5) are circumferentially distributed at the bottom of each diversion ring groove (402).
4. A planetary reducer casing with built-in cooling flow passage according to claim 2, characterized in that: first runner (6) also are the annular, just first runner (6) and heat dissipation annular (3) coaxial arrangement, the size of first runner (6) is the same with the size of water conservancy diversion annular (402).
5. A planetary reducer casing with built-in cooling flow passage according to claim 2, characterized in that: the material of each heat conduction ring (401) is ceramic.
6. A planetary reducer casing with built-in cooling flow passage according to claim 2, characterized in that: the inner ring and the outer ring of each heat conduction ring (401) are respectively attached to two radial side walls of the heat dissipation ring groove (3).
7. A planetary reducer casing with built-in cooling flow passage according to claim 1, characterized in that: the radial two lateral walls of heat dissipation annular (3) are coaxial respectively to have seted up sealed annular (12), and every sealed annular (12) is all coaxial to be equipped with elastic sealing ring (13), two the terminal surface that elastic sealing ring (13) is relative butt respectively in radial two lateral walls of ring cover (7).
8. A planetary reducer casing with built-in cooling flow passage according to claim 1, characterized in that: an annular mounting groove (2) is formed in one end, far away from the second connecting seat (102), of the first connecting seat (101), the annular mounting groove (2) and the heat dissipation ring groove (3) are coaxially arranged, the bottom of the annular mounting groove (2) penetrates through the heat dissipation ring groove (3) in the axial direction and is communicated with the heat dissipation ring groove (3), and an annular cover (7) is embedded into the annular mounting groove (2);
the tank bottom of annular mounting groove (2) is equipped with connecting screw (8), connecting bolt (9) are worn to be equipped with in ring cap (7), connecting bolt (9) and connecting screw (8) threaded connection, ring cap (7) are connected with annular mounting groove (2) through the cooperation of connecting bolt (9) and connecting screw (8).
9. A planetary reducer is characterized in that: a planetary reducer casing comprising a built-in cooling flow passage according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220183329.6U CN216789201U (en) | 2022-01-22 | 2022-01-22 | Planetary reducer shell with built-in cooling flow channel and planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220183329.6U CN216789201U (en) | 2022-01-22 | 2022-01-22 | Planetary reducer shell with built-in cooling flow channel and planetary reducer |
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| Publication Number | Publication Date |
|---|---|
| CN216789201U true CN216789201U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220183329.6U Active CN216789201U (en) | 2022-01-22 | 2022-01-22 | Planetary reducer shell with built-in cooling flow channel and planetary reducer |
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| Country | Link |
|---|---|
| CN (1) | CN216789201U (en) |
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- 2022-01-22 CN CN202220183329.6U patent/CN216789201U/en active Active
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