CN203822949U - Underwater reduction gearbox - Google Patents
Underwater reduction gearbox Download PDFInfo
- Publication number
- CN203822949U CN203822949U CN201420166770.9U CN201420166770U CN203822949U CN 203822949 U CN203822949 U CN 203822949U CN 201420166770 U CN201420166770 U CN 201420166770U CN 203822949 U CN203822949 U CN 203822949U
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- worm
- worm screw
- worm gear
- sealing
- speed reducer
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Abstract
The utility model discloses an underwater reduction gearbox which comprises a box body, a worm gear, a worm, a bearing and an end cover, wherein the box body comprises a worm-gear box body and a worm box body, which are integrated into a whole; the axial line of the worm-gear box body and the axial line of the worm box body are arranged perpendicularly; worm and gear meshing holes are formed in the worm-gear box body and the worm box body; an embedded double-seal connecting flange is arranged at one end, connected with a motor, of the worm box body; the end cover is arranged at the other end of the worm box body in a sealing manner; a sealing structure is arranged at one end, connected with a rotating nozzle, of the worm-gear box; an embedded double-seal bearing cap is arranged at the other end of the worm-gear box body. According to the underwater reducer casing, as the embedded double-layered sealing is adopted, favorable sealing performance of the reduction gearbox body is guaranteed, the maintenance frequency is reduced and the service life of the reduction gearbox is prolonged. The reduction gearbox has the advantages that the structure is compact, the size is small, the appearance is exquisite, the operation is stable and the durability is achieved.
Description
Technical field
The utility model relates to speed reducer technical field, especially relates to one and uses speed reducer under water.
Background technique
The speed reducer that existing rotation waterscape spray head uses, all adopts at common speed reducer increase seal arrangement and ensures its underwater normal work, however, still there will be into water impact is normal and use, cause frequent replacing, underwater operation difficulty is large, and cost is high.Certainly at present also have the speed reducer being applied under water, it is generally all applicable to the main equipments such as boats and ships.
Chinese patent literature (the day for announcing: on January 16th, 2013, notification number: CN202674173U) a kind of high leak tightness worm-gear speed reducer disclosed, comprise casing, described box house is provided with worm gear, and in worm gear, cross-under has output shaft, and worm gear is engaged with worm screw, on the casing of worm gear one end, be fixed with oil sealing stifle, on the casing of the worm screw the other end, be fixed with input flange, worm screw end is stretched in input flange, is provided with worm screw oil sealing between worm screw and input flange.
What technique scheme solved is that in prior art, the sealing of speed reducer is poor, easily makes dust and other impurities invade, and causes the problem of device damage, and this high leak tightness worm-gear speed reducer is not suitable for underwater operation.
Model utility content
The purpose of this utility model is that working life is short in order to solve an existing two-dimensional numerals shower nozzle, waterscape spray head speed reducer poor sealing performance, changes frequent, operation easier is large, the problem that cost is high, and a kind of integral structure is provided, good seal performance, long service life use speed reducer under water.
The utility model is realized the technological scheme that its technical purpose adopts: one is used speed reducer under water, comprise casing, worm gear, worm screw, bearing and end cap, described casing comprises the worm gear case and the worm screw casing that are wholely set, the vertical setting of axis of the axis of described worm gear case and worm screw casing, worm gear case and worm screw box house are provided with worm and gear engaging hole, one end that described worm screw casing is connected with motor is provided with embedded double-sealing adpting flange, described end bracket enclosed is arranged on the other end of worm screw casing, one end that described worm gear case is connected with rotary nozzle is provided with sealing configuration, the other end of described worm gear case is provided with embedded double sealed bearing lid.This uses speed reducer under water, worm gear case and worm screw casing are set to integral structure, and the one end being connected with motor at worm screw casing is provided with embedded double-sealing adpting flange, on worm gear case, be provided with embedded double sealed bearing lid, integral type worm screw casing and worm gear case, such structure has ensured the sealing of casing, can there is not water leakage phenomenon, and this compact structure, volume is little, profile is light and handy, good for rotary nozzle using effect under water, embedded double-sealing adpting flange and embedded double sealed bearing lid are set, like this can play effective seal action, the long-term underwater operation damage phenomenon of also can not leaking, need not often change, life-span is long, using effect is remarkable.
As preferably, described worm gear case and worm screw casing are respectively cylindrical structure, described worm screw casing is ladder cylindrical structure, the worm screw casing cylindrical diameter crossing with worm gear case is less than the cylinder diameter at two ends, and the cylinder diameter of worm screw casing and embedded double-sealing adpting flange connecting end is greater than the diameter of the other end.Worm gear case and worm screw casing are set to respectively cylindrical structure, cylindrical structure is with respect to square-box-shaped structure, be suitable for various mounting points, do not need to select mounting point, all can install and use, worm screw casing is the such structure of ladder cylindrical structure and arranges in order to realize double-sealing, and convenience is tightly connected with embedded double-sealing adpting flange.
As preferably, embedded double-sealing adpting flange comprises built-in end and motor connecting end, described built-in end be ladder cylindrical structure, on the described excircle of built-in end ladder cylindrical body small cylinder and the end face of large cylinder, be respectively arranged with seal groove, described seal groove inside is provided with Sealing, in described built-in end ladder cylindrical body, on the end face of large cylinder, be provided with bolt hole, on the end face of described motor connecting end, be provided with motor attachment hole.Embedded double-sealing adpting flange comprises built-in end and motor connecting end, built-in end is ladder cylindrical structure, on the cylindrical excircle of ladder, be respectively arranged with seal groove, seal groove inside is provided with Sealing, so both ensured the sealing of end, ensure again axial seal, ensured the works fine of the parts of worm screw box house, on the end face of motor connecting end, be provided with bolt hole and facilitate the connection of motor.
As preferably, on worm screw casing, be provided with the flange embedded hole matching with embedded double-sealing adpting flange built-in end, flange embedded hole inside arranges connection bulge loop, is provided with attachment hole corresponding and bolt hole on described connection bulge loop.The setting of flange embedded hole is in order to realize and being connected of embedded double-sealing adpting flange, to realize thorough seal, ensures the working life of speed reducer and uses function.
As preferably, embedded double sealed bearing lid comprises embedding cabinet end and bonnet connecting end, on the end face that described bonnet connecting end is connected with embedding cabinet end, be provided with end face seal groove, on the outer peripheral surface of embedding cabinet end, be provided with lid seal groove, described bonnet connecting end is provided with bonnet attachment hole, bonnet seal groove and lid attachment hole.Embedded double sealed bearing lid comprises embedding cabinet end and bonnet connecting end, on the end face that bonnet connecting end is connected with embedding cabinet end, end face seal groove is set, on excircle, be provided with lid seal groove, facilitate the setting of Sealing, seal the double-layer seal of having realized bearing that arranges of inclined-plane and Sealing, ensure that worm gear case has good sealing, outer end at embedded double sealed bearing lid is also provided with bonnet, the attachment hole and the lid attachment hole that on bonnet connecting end, are provided with bonnet seal groove, bonnet connection, realization is connected and sealing with bonnet.
As preferably, on worm gear case, be provided with lid embedded hole corresponding to embedded double sealed bearing lid.Lid embedded hole is set, and such structure is conducive to realize double-sealing, ensures that worm gear case has good sealing.
As preferably, worm screw box house is provided with worm screw chamber, and described worm screw chamber comprises two conical bore and the cylindrical holes that are arranged to centre by outer end, and the small end aperture of two conical bores equals the diameter of cylindrical hole, and the tapering of conical bore is less than or equal to 10 degree.The structure that is conical bore for cylindrical hole two ends in the middle of worm screw chamber is set to, such structure had both facilitated the setting of worm screw, was conducive to the integral type setting of worm screw casing and worm gear case simultaneously, also helped the sealing that realizes worm screw cavity.
As preferably, the outside of embedded double sealed bearing lid is also provided with rear sealing cover, the edge of interior rear sealing cover is to be spaced and to be smoothly connected the structure forming by multiple interior concave circular arcs and multiple evagination circular arc, on the capping of rear sealing cover, be provided with cylindrical structure along center line convex, cylindrical structure inside is provided with receiving cavity, on the capping of described rear sealing cover, is provided with bolt connecting hole.Such structure is convenient connection both, can ensure again inner sealing.
As preferably, between worm gear case and worm gear, embedded double sealed bearing lid and worm gear, be provided with the outside framework oil seal of motive sealing.Such structure ensures further to have ensured speed reducer excellent sealing in the course of the work.
As preferably, be provided with seal ring near worm gear and the live axle cooperation place of embedded double sealed bearing lid one side.Bearing cap one side worm gear and live axle cooperation place arrange seal ring, are to leak along worm gear and live axle from threeway one side connecting for anti-sealing.
The beneficial effects of the utility model are: this uses speed reducer under water, by integral type, two worm gear case and worm screw casings that are respectively cylindrical structure are set, and on worm gear case and worm screw casing, be respectively arranged with embedded double sealed bearing lid and embedded double-sealing adpting flange, worm gear case and worm screw casing are realized to double-layer seal, ensure that deceleration box has good sealability, reduce maintenance frequency, extend the working life of speed reducer, not only compact structure of this speed reducer, volume external form is light and handy, and stable, durable in use.
Brief description of the drawings
Fig. 1 is a kind of structural representation that the utility model is used speed reducer under water;
Fig. 2 is a kind of sectional view that the utility model is used speed reducer under water;
Fig. 3 is a kind of structural representation of embedded double-sealing adpting flange in the utility model;
Fig. 4 is a kind of structural representation of worm screw casing in the utility model;
Fig. 5 is a kind of structural representation of embedded double sealed bearing lid in the utility model;
Fig. 6 is a kind of structural representation of worm gear case in the utility model;
Fig. 7 is a kind of structural representation of the utility model rear sealing cover;
In figure: 1, casing, 2, worm gear, 3, worm screw, 4, bearing, 5, end cap, 7, worm gear case, 8, worm screw casing, 9, worm and gear engaging hole, 10, embedded double-sealing adpting flange, 11, sealing configuration, 12, embedded double sealed bearing lid, 13, built-in end, 14, motor connecting end, 15, seal groove, 16, Sealing, 17, bolt hole, 18, motor attachment hole, 19, flange embedded hole, 20, connect bulge loop, 21, attachment hole, 22, embed cabinet end, 23, bonnet connecting end, 24, end face seal groove, 25, lid seal groove, 26, bonnet attachment hole, 27, bonnet seal groove, 28, lid embedded hole, 30, worm screw chamber, 31, conical bore, 32, cylindrical hole, 33, rear sealing cover, 34, lid attachment hole, 35, bolt connecting hole, 36, seal ring.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
In the embodiment shown in Fig. 1, Fig. 2, one is used speed reducer under water, comprise casing 1, worm gear 2, worm screw 3, bearing 4, end cap 5 and rear sealing cover 33, casing 1 comprises the worm gear case 7 and the worm screw casing 8 that are wholely set, worm gear case 7 and worm screw casing 8 are respectively cylindrical structure, worm screw casing 8 is ladder cylindrical structure, the worm screw casing 8 cylindrical diameter crossing with worm gear case 7 is less than the cylinder diameter at two ends, and the cylinder diameter of worm screw casing 8 and motor connecting end is greater than the diameter of the other end.The vertical setting of axis of the axis of worm gear case 7 and worm screw casing 8, worm gear case 7 and worm screw casing 8 inside are provided with worm and gear engaging hole 9, worm screw casing 8 inside are provided with worm screw chamber 30(and see Fig. 4), worm screw chamber 30 comprises two conical bore 31 and the cylindrical holes 32 that are arranged to centre by outer end, the small end aperture of two conical bores 31 equals the diameter of cylindrical hole 32, and the tapering of conical bore 31 equals 9 degree.Worm gear 2 is arranged on worm gear case 7 inside, and two ends are provided with bearing 4, worm screw 3 is located in 30 inside, worm screw chamber of worm screw casing 8 inside, and in the worm and gear engaging hole 9 intermeshing (see figure 6)s in place, 3 the two ends of worm screw are respectively arranged with bearing 4, one end that worm screw casing 8 is connected with motor is provided with embedded double-sealing adpting flange 10, end cap 5 sealings are arranged on the other end of worm screw casing 8, one end that worm gear case 7 is connected with rotary nozzle is provided with sealing configuration 11, the other end of worm gear case 7 is provided with embedded double sealed bearing lid 12, rear sealing cover 33 is arranged on the outside of embedded double sealed bearing lid 12.
Embedded double-sealing adpting flange 10 comprises that built-in end 13 and motor connecting end 14(are shown in Fig. 3), built-in end 13 be ladder cylindrical structure, on built-in end 13 excircles of ladder cylindrical body small cylinder and the end face of large cylinder, be respectively arranged with seal groove 15, seal groove 15 inside are provided with Sealing 16, in built-in end 13 ladder cylindrical bodys, on the end face of large cylinder, be provided with bolt hole 17, on the end face of motor connecting end 14, be provided with motor attachment hole 18.On worm screw casing 8, be provided with the flange embedded hole 19 matching with embedded double-sealing adpting flange built-in end 13, flange embedded hole 19 inside arrange and connect bulge loop 20, connect the attachment hole 21 that is provided with corresponding and bolt hole 17 on bulge loop 20.
Embedded double sealed bearing lid 12 comprises that embedding cabinet end 22 and bonnet connecting end 23(are shown in Fig. 5), on the end face that lid connecting end 23 is connected with embedding cabinet end 22, be provided with end face seal groove 24, on the outer peripheral surface of embedding cabinet end 22, be provided with lid seal groove 25, bonnet connecting end 23 is provided with bonnet attachment hole 26, bonnet seal groove 27 and lid attachment hole 34, and bonnet connecting end 23 coordinates with sealing cover 6.On worm gear case 7, be provided with lid embedded hole 28 corresponding to embedded double sealed bearing lid 12.
The edge of rear sealing cover 33 is to be spaced and to be smoothly connected the structure (see figure 7) forming by eight interior concave circular arcs and eight evagination circular arcs, on the capping of rear sealing cover 33, be provided with cylindrical structure along center line convex, cylindrical structure inside is provided with receiving cavity, is provided with bolt connecting hole 35 on the capping of rear sealing cover 33.Worm gear 2 near embedded double sealed bearing lid 12 1 sides is provided with seal ring 36 with live axle cooperation place.The setting of seal ring 36 both can anti-sealing from leaking along worm gear and live axle from being connected with threeway one side, also can in the situation that not using rear sealing cover 33, directly be connected use with bolt by pad, save space.Rear sealing cover is fixedly connected with embedded double sealed bearing lid 12 by the bolt that is arranged on bolt connecting hole 35 and bonnet attachment hole 26 inside.Between worm gear case 7 and worm gear, embedded double sealed bearing lid 12 and worm gear, be provided with the outside framework oil seal of motive sealing.
This uses speed reducer under water, is particularly suitable for a two-dimensional numerals shower nozzle use, and when use, worm gear case is connected with rotary nozzle and motor respectively with worm screw casing, can make 360 degree rotary-jets by driven rotary shower nozzle, realizes the conversion of multiple fountain view.
This uses speed reducer under water, formed by two worm gear case and worm screw casing integrally castings that are cylindrical structure, box house is provided with worm and gear engaging hole, the axis of worm screw casing and worm gear case is mutually vertical, worm and wheel is intermeshing, on worm gear case and worm screw casing, be respectively arranged with embedded double sealed bearing lid and embedded double-sealing adpting flange, by the setting of embedded double-layer sealing structure, ensure that box house has good sealability, make this speed reducer can continue under water normal operation, reduce maintenance frequency, reduce cost, the speed reducer of the cylindrical structure of this integral type, compact structure, the little external form of volume is light and handy, be applicable to various applications, particularly be applied to the operation of rotary nozzle under water of each fountain view, applicability is strong, safe and reliable.
Claims (10)
1. use speed reducer under water for one kind, comprise casing (1), worm gear (2), worm screw (3), bearing (4) and end cap (5), it is characterized in that: described casing (1) comprises the worm gear case (7) and the worm screw casing (8) that are wholely set, the axis of described worm gear case (7) and vertical setting of axis of worm screw casing (8), worm gear case (7) and worm screw casing (8) inside are provided with worm and gear engaging hole (9), one end that described worm screw casing (8) is connected with motor is provided with embedded double-sealing adpting flange (10), described end cap (5) sealing is arranged on the other end of worm screw casing (8), one end that described worm gear case (7) is connected with rotary nozzle is provided with sealing configuration (11), the other end of described worm gear case (7) is provided with embedded double sealed bearing lid (12).
2. one according to claim 1 is used speed reducer under water, it is characterized in that: described worm gear case (7) and worm screw casing (8) are respectively cylindrical structure, described worm screw casing (8) is ladder cylindrical structure, worm screw casing (8) the cylindrical diameter crossing with worm gear case (7) is less than the cylinder diameter at two ends, and the cylinder diameter of worm screw casing (8) and embedded double-sealing adpting flange (10) connecting end is greater than the diameter of the other end.
3. one according to claim 1 and 2 is used speed reducer under water, it is characterized in that: embedded double-sealing adpting flange (10) comprises built-in end (13) and motor connecting end (14), described built-in end (13) be ladder cylindrical structure, on the described excircle of built-in end (13) ladder cylindrical body small cylinder and the end face of large cylinder, be respectively arranged with seal groove (15), described seal groove (15) inside is provided with Sealing (16), in described built-in end (13) ladder cylindrical body, on the end face of large cylinder, bolt hole (17) is also set, on the end face of described motor connecting end (14), be provided with motor attachment hole (18).
4. one according to claim 3 is used speed reducer under water, it is characterized in that: on worm screw casing (8), be provided with the flange embedded hole (19) matching with embedded double-sealing adpting flange built-in end (13), flange embedded hole (19) inside arranges and connects bulge loop (20), is provided with attachment hole (21) corresponding and bolt hole (17) on described connection bulge loop (20).
5. one according to claim 1 and 2 is used speed reducer under water, it is characterized in that: embedded double sealed bearing lid (12) comprises embedding cabinet end (22) and bonnet connecting end (23), on the end face that described bonnet connecting end (23) is connected with embedding cabinet end (22), be provided with end face seal groove (24), on the outer peripheral surface of embedding cabinet end (22), be provided with lid seal groove (25), described bonnet connecting end (23) is provided with bonnet attachment hole (26), bonnet seal groove (27) and lid attachment hole (34).
6. one according to claim 5 is used speed reducer under water, it is characterized in that: worm gear case (7) is upper is provided with lid embedded hole (28) corresponding to embedded double sealed bearing lid (12).
7. one according to claim 1 and 2 is used speed reducer under water, it is characterized in that: worm screw casing (8) inside is provided with worm screw chamber (30), described worm screw chamber (30) comprises two conical bore (31) and the cylindrical holes (32) that are arranged to centre by outer end, the small end aperture of two conical bores (31) equals the diameter of cylindrical hole (32), and the tapering of conical bore (31) is less than or equal to 10 degree.
8. one according to claim 1 and 2 is used speed reducer under water, it is characterized in that: the outside of embedded double sealed bearing lid (12) is also provided with rear sealing cover (33), the outward edge of described rear sealing cover (33) is to be spaced and to be smoothly connected the structure forming by multiple interior concave circular arcs and multiple evagination circular arc, on the capping of rear sealing cover (33), be provided with cylindrical structure along center line convex, cylindrical structure inside is provided with receiving cavity, on the capping of described rear sealing cover (33), is provided with bolt connecting hole (35).
9. one according to claim 1 and 2 is used speed reducer under water, it is characterized in that: the outside framework oil seal that is provided with motive sealing between worm gear case (7) and worm gear, embedded double sealed bearing lid (12) and worm gear.
10. one according to claim 1 and 2 is used speed reducer under water, it is characterized in that: worm gear (2) and live axle cooperation place near embedded double sealed bearing lid (12) one end are provided with seal ring (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166770.9U CN203822949U (en) | 2014-04-09 | 2014-04-09 | Underwater reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166770.9U CN203822949U (en) | 2014-04-09 | 2014-04-09 | Underwater reduction gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822949U true CN203822949U (en) | 2014-09-10 |
Family
ID=51478457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420166770.9U Expired - Fee Related CN203822949U (en) | 2014-04-09 | 2014-04-09 | Underwater reduction gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799918A (en) * | 2020-06-13 | 2020-10-20 | 东风电驱动系统有限公司 | Permanent magnet synchronous motor shell |
-
2014
- 2014-04-09 CN CN201420166770.9U patent/CN203822949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799918A (en) * | 2020-06-13 | 2020-10-20 | 东风电驱动系统有限公司 | Permanent magnet synchronous motor shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |