CN212318730U - Planetary gear reducer with protection grade of IP69K grade - Google Patents
Planetary gear reducer with protection grade of IP69K grade Download PDFInfo
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- CN212318730U CN212318730U CN202020557297.2U CN202020557297U CN212318730U CN 212318730 U CN212318730 U CN 212318730U CN 202020557297 U CN202020557297 U CN 202020557297U CN 212318730 U CN212318730 U CN 212318730U
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Abstract
The utility model discloses a planetary gear reducer with the protection grade of IP69K, which comprises a transmission component with a transmission shaft and a shell arranged at the periphery of the transmission component, wherein the shell comprises a rear end cover with a stepped shaft hole, one side of the rear end cover is provided with a groove, the other side of the rear end cover is in threaded connection with a lining A, the other side of the lining A is provided with a lining B, the lining A and the lining B are connected through screws, connecting sleeves which are contacted with the rear end covers are arranged on the outer sides of the lining A and the lining B, a sealing unit A is arranged between the rear end cover and the end parts of the connecting sleeves, the other ends of the connecting sleeve and the lining B are provided with end sleeves, a sealing unit B is arranged between the end sleeves and the connecting sleeve, the front end cover is connected with the end sleeve, a sealing unit C is arranged between the front end cover and the end sleeve, and the front end cover fixing device further comprises a fastener which can fix the rear end cover on the lining A or fix the front end cover on the end sleeve. The utility model discloses simple structure, low cost, waterproof leakproofness is good, no dead angle, and the high temperature and high pressure water cleaning of being convenient for, steam cleaning or chemical cleaner wash.
Description
Technical Field
The utility model relates to a speed reducer technical field especially relates to a protection level is planetary gear speed reducer of IP69K level.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear and worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The development history of the speed reducer industry in China is nearly 40 years, and the speed reducer product is widely applied to various fields of national economy and national defense industry. The existing speed reducer shell connection can meet the waterproof requirement, but gaps are generated at the connection position of the shell, dead angles exist, the speed reducer shell is not beneficial to cleaning, and living space is provided for microorganisms such as bacteria.
Disclosure of Invention
For solving the technical problem, the utility model provides a simple structure, low cost, waterproof leakproofness is good, and no dead angle is convenient for high temperature and high pressure water washing, steam cleaning or the abluent protection level of chemical cleaner be the planetary gear speed reducer of IP69K level.
The utility model provides a technical scheme that technical problem adopted does: the utility model provides a protection level is planetary gear reducer of IP69K level, is including the drive assembly who has the transmission shaft and locate drive assembly outlying casing, the casing is including the rear end cap that has the ladder shaft hole, offers flutedly in rear end cap one side, and rear end cap opposite side threaded connection has inside lining A, is equipped with inside lining B at inside lining A opposite side, and inside lining A passes through screw connection with inside lining B, is equipped with the adapter sleeve that contacts with the rear end cap in inside lining A and inside lining B outside, be equipped with sealed unit A between rear end cap and the adapter sleeve tip, be equipped with the pot head at adapter sleeve and inside lining B other end, be equipped with sealed unit B between pot head and the adapter sleeve, be connected with the front end cap with the pot head, be equipped with sealed unit C between front end cap and the pot head, still including can fix the rear end cap on inside lining A.
The planetary gear reducer with the protection grade of IP69K is characterized in that the sealing unit A comprises sealing grooves A which are concave at the joints of the rear end cover and the connecting sleeve respectively, 0-type rubber sealing rings A are arranged in the two sealing grooves A, and the sealing grooves A are filled with the 0-type rubber sealing rings A through the locking extrusion of the fasteners.
The planetary gear reducer with the protection grade of IP69K is characterized in that the sealing unit B comprises sealing grooves B which are concave at the connecting positions of the connecting sleeves and the end sleeves respectively, 0-type rubber sealing rings B are arranged in the two sealing grooves B, and the sealing grooves B are filled with the 0-type rubber sealing rings B through locking and extruding of fasteners.
The protection level is IP69K level planetary gear reducer, sealing unit C includes and is equipped with the seal groove C of indent respectively at front end housing and pot head junction, is equipped with a 0 type rubber seal C in two seal grooves C, and locking extrusion through the fastener fills seal groove C with 0 type rubber seal C.
The above-mentioned planetary gear reducer that protection level is IP69K level, the fastener is a flange bolt, and the flange bolt includes the spiral shell head, with the flange of spiral shell head connection and with flange joint's double-screw bolt, flange and spiral shell head link end set up to the arcwall face, are equipped with seal structure in the flange and the junction of spiral shell post.
The above-mentioned planetary gear reducer with protection level being IP69K level, seal structure is including the sealing of locating the round platform form of flange and the junction of stud, and the little terminal surface and the flange joint of sealing, the big terminal surface and the stud connection of sealing form triangular seal groove between the arcwall face of sealing and the flange, the radial dimension of the big terminal surface of sealing is less than the radial dimension of flange.
The planetary gear reducer with the protection grade of IP69K is connected with a circular truncated cone-shaped sealing gasket through a sealing groove, the shape of the sealing gasket is similar to that of a sealing part, the small end face of the sealing gasket is in plane contact with the end face of a flange, and the center of the sealing gasket is provided with a circular truncated cone-shaped matching hole in contact with the sealing groove.
The beneficial effects of the utility model reside in that: the sealing groove A, B, C and the 0-shaped sealing ring A, B, C are correspondingly matched and are pre-tightened and extruded through a fastening piece, so that the 0-shaped sealing ring A, B, C is filled in the corresponding sealing groove A, B, C, the appearance is attractive, the sealing groove A, B, C is convenient to open, the cost is saved, meanwhile, each joint is seamless, the waterproof sealing performance is good, no dead angle is caused, and the cleaning and clearing are convenient; the fastener is provided with a sealing structure, the joint with the fastener can be reliably sealed, the sanitation level is high, and the whole body can be cleaned by high-temperature high-pressure cleaning, steam cleaning or chemical cleaning agents.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a cross-sectional view of the fastener;
FIG. 3 is a partial schematic view of the fastener;
fig. 4 is a sectional view of the gasket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, a planetary gear reducer with a protection level of IP69K includes a transmission assembly 33 having a transmission shaft 32 and a casing 34 disposed at the periphery of the transmission assembly 33, where the casing 34 includes a rear end cover 1 having a stepped shaft hole 35, a groove 2 is formed at one side of the rear end cover l, a countersunk screw hole 36 is formed in the groove 2, a lining A3 is connected to the other side of the rear end cover l by a screw, a lining B4 is disposed at the other side of the lining A3, the lining A3 is connected to the lining B4 by a screw 5, a connection sleeve 6 contacting with the rear end cover l is disposed at the outer sides of the lining A3 and the lining B4, the connection sleeve 6 is sleeved on the lining A3 and the lining B4, a sealing unit 38 is disposed between the stepped shaft hole 35 and the transmission shaft 32, and the sealing unit 38 is a lip-shaped sealing ring or a packing, or;
a sealing unit A7 is arranged between the rear end cover l and the end part of the connecting sleeve 6, a sealing groove 37 is arranged on the other side of the rear end cover l, the sealing unit A7 comprises concave sealing grooves A8 and 9 which are respectively arranged at the connecting part of the rear end cover l and the connecting sleeve 6, the sealing grooves A8 and 9 can be triangular grooves or concave arc-shaped grooves and other sealing grooves, a 0-type rubber sealing ring A1O is arranged in the two sealing grooves A8 and 9, the rear end cover l can be fixed on a lining A3 to form a fastening piece 11, the fastening piece 11 is arranged in a countersunk head screw hole 36, and the sealing grooves A8 and 9 are filled with the 0-type rubber sealing ring A1O through the locking and the extrusion of;
an end sleeve 12 is arranged at the other end of the connecting sleeve 6 and the lining B4, a sealing unit B13 is arranged between the end sleeve 12 and the connecting sleeve 6, the sealing unit B13 comprises inwards concave sealing grooves Bl4 and 15 which are respectively arranged at the connecting position of the connecting sleeve 6 and the end sleeve 12, the sealing grooves Bl4 and 15 can be triangular grooves or inwards concave arc-shaped grooves and other sealing grooves, a 0-type rubber sealing ring Bl6 is arranged in the two sealing grooves Bl4 and 15, and the sealing grooves Bl4 and 15 are filled with the 0-type rubber sealing ring Bl6 through the locking and extrusion of a fastener 11;
a front end cover 17 is connected with the end sleeve 12, a sealing unit C18 is arranged between the front end cover 17 and the end sleeve 12, the sealing unit Cl8 comprises sealing grooves Cl9 and 20 which are inwards concave at the joint of the front end cover 17 and the end sleeve 12 respectively, the sealing grooves Cl9 and Cl 20 can be triangular grooves or inwards concave arc-shaped grooves and other sealing grooves, a 0-shaped rubber sealing ring C21 is arranged in the two sealing grooves Cl9 and Cl 20, a fastening piece 11 which can fix the front end cover 17 on the end sleeve 12 can be used for filling the sealing grooves Cl9 and Cl 20 with the 0-shaped rubber sealing ring C21 through the locking extrusion of the fastening piece 11;
the fastening piece 11 is a flange bolt, the flange bolt comprises a screw head 22, a flange 23 connected with the screw head 22 and a stud 24 connected with the flange 23, the screw head 22, the flange 23 and the stud 24 are integrally arranged, the connecting end of the flange 23 and the screw head 22 is an arc-shaped surface 25, a sealing structure 29 is arranged at the connecting part of the flange 23 and the stud 24, the sealing structure 29 comprises a truncated cone-shaped sealing part 25 arranged at the connecting part of the flange 23 and the stud 24, the small end surface of the sealing part 25 is connected with the flange 23, the large end surface of the sealing part 25 is connected with the stud 24, a triangular sealing groove 26 is formed between the arc-shaped surface 25 of the sealing part 25 and the flange 23, and the radial size of the large end surface of the sealing part 25 is smaller than that of the flange;
a truncated cone-shaped sealing gasket 27 is connected with the sealing groove 26, the shape of the sealing gasket 27 is similar to that of the sealing part 25, the small end face of the sealing gasket 27 is in plane contact with the end face of the flange 23, and a truncated cone-shaped matching hole 28 in contact with the sealing groove 26 is formed in the center of the sealing gasket 27;
the matching position of the front end cover 17 and the end sleeve 12 is provided with a sealing groove 30, a sealing ring 31 is arranged in the sealing groove 30, a sealing unit 39 is arranged between the front end cover 17 and the transmission shaft 32, and the sealing unit 39 is a lip-shaped sealing ring or a packing or other sealing forms in addition, so that the water cannot enter the speed reducer in the rotating process.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. 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 protection level is planetary gear reducer of IP69K level, includes the drive assembly who has the transmission shaft and locates the peripheral casing of drive assembly, its characterized in that: the casing is including the rear end cap that has the ladder shaft hole, and rear end cap one side is seted up flutedly, has inside lining A at rear end cap opposite side threaded connection, is equipped with inside lining B at inside lining A opposite side, and inside lining A passes through bolted connection with inside lining B, is equipped with the adapter sleeve that contacts with the rear end cap in inside lining A and inside lining B outside, be equipped with sealed unit A between rear end cap and the adapter sleeve tip, be equipped with the pot head at the adapter sleeve and inside lining B other end, be equipped with sealed unit B between pot head and the adapter sleeve, be connected with the front end housing with the pot head, be equipped with sealed unit C between front end cap and the pot head, still including can fix the rear end cap on inside lining A or fix the fastener.
2. A planetary gear reducer with protection class IP69K according to claim 1, wherein: the sealing unit A comprises sealing grooves A which are inwards concave and are respectively arranged at the joints of the rear end cover and the connecting sleeve, 0 type rubber sealing ring A is arranged in each of the two sealing grooves A, and the sealing grooves A are filled with the 0 type rubber sealing rings A through locking and extruding of the fastening piece.
3. A planetary gear reducer with protection class IP69K according to claim 1, wherein: the sealing unit B comprises sealing grooves B which are inwards concave and are respectively arranged at the connecting positions of the connecting sleeve and the end sleeve, 0-type rubber sealing rings B are arranged in the two sealing grooves B, and the sealing grooves B are filled with the 0-type rubber sealing rings B through locking and extruding of a fastening piece.
4. A planetary gear reducer with protection class IP69K according to claim 1, wherein: the sealing unit C comprises sealing grooves C which are inwards concave and are respectively arranged at the joints of the front end cover and the end sleeve, 0 type rubber sealing ring C is arranged in each of the two sealing grooves C, and the sealing grooves C are filled with the 0 type rubber sealing ring C through locking and extruding of a fastening piece.
5. A planetary gear reducer with protection class IP69K according to any claim 2, 3 or 4, wherein: the fastener is a flange bolt, and the flange bolt includes the spiral shell head, the flange of being connected with the spiral shell head and the double-screw bolt of being connected with the flange, and flange and spiral shell head link set up to the arcwall face, are equipped with seal structure in the junction of flange and spiral shell post.
6. A planetary gear reducer with protection grade IP69K according to claim 5, wherein: the sealing structure comprises a circular truncated cone-shaped sealing part arranged at the joint of a flange and a stud, the small end face of the sealing part is connected with the flange, the large end face of the sealing part is connected with the stud, a triangular sealing groove is formed between the arc face of the sealing part and the flange, and the radial dimension of the large end face of the sealing part is smaller than that of the flange.
7. A planetary gear reducer with protection grade IP69K according to claim 6, wherein: and a circular truncated cone-shaped sealing gasket is connected with the sealing groove, the shape of the sealing gasket is similar to that of the sealing part, the small end face of the sealing gasket is in plane contact with the flange end, and a circular truncated cone-shaped matching hole in contact with the sealing groove is formed in the center of the sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557297.2U CN212318730U (en) | 2020-04-15 | 2020-04-15 | Planetary gear reducer with protection grade of IP69K grade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557297.2U CN212318730U (en) | 2020-04-15 | 2020-04-15 | Planetary gear reducer with protection grade of IP69K grade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318730U true CN212318730U (en) | 2021-01-08 |
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ID=74020002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020557297.2U Active CN212318730U (en) | 2020-04-15 | 2020-04-15 | Planetary gear reducer with protection grade of IP69K grade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318730U (en) |
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2020
- 2020-04-15 CN CN202020557297.2U patent/CN212318730U/en active Active
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