CN204572938U - Helical speed reduction gear - Google Patents
Helical speed reduction gear Download PDFInfo
- Publication number
- CN204572938U CN204572938U CN201520262347.3U CN201520262347U CN204572938U CN 204572938 U CN204572938 U CN 204572938U CN 201520262347 U CN201520262347 U CN 201520262347U CN 204572938 U CN204572938 U CN 204572938U
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- shaft
- casing
- driving gear
- butt plate
- gear
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Abstract
The utility model discloses a kind of helical speed reduction gear, comprise casing and case lid, the middle part of described case lid inwardly forms frustum, by bearing, input shaft is installed in frustum inner chamber, on described casing, the other end of relative case lid is output terminal, described output terminal is protruding output shaft, described output terminal is provided with the butt plate concentric with described output shaft, the card of described butt plate casing is dorsad provided with the locating recesses groove that circumferentially even phase angular spacing is arranged, the inner lane of described hollow slot is provided with protruding rim of the mouth, described butt plate is circumferentially with the U-groove bevel of some homogeneous phase parallactic angles distribution in it, described U-groove bevel is arranged along the dish edge of butt plate to core direction, the known effect by locating recesses groove and protruding rim of the mouth can make the stable connection performance of the working machine docked with it be guaranteed, prevent the generation of the phenomenon that circumferential play occurs.
Description
Technical field
The utility model relates to technical field of motors, and more particularly, it relates to a kind of compact structure, the speed reducer that switching performance is good.
Background technique
Retarder is the independently type closed driving device between prime mover and working machine, is used for reducing rotating speed and increasing torque, to meet need of work.
Retarder of a great variety, can be divided into gear reducer, worm reducer and plane table thermoconductivity meter according to actuation types; Can be divided into single-stage and multi-stage speed reducer according to transmission progression difference, but the speed reducer of which kind of type all must overlap with prime mover and working machine and supports the use.If can not well coordinate in the docking structure of speed reducer and prime mover or working machine, the reason generation radial-play due to vibrations between axle and axle can be made, the transmission effect that impact is overall and physical life, and, what speed reducer majority was used now is worm and gear mode, but the speed reducer of these two kinds of modes, and dismounting is very inconvenient, and debugging is also inconvenient, overall structure is large.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of and docks the good and speed reducer of compact structure of performance.
For achieving the above object, the utility model provides following technological scheme: a kind of helical speed reduction gear, comprise casing and case lid, the middle part of described case lid inwardly forms frustum, by bearing, input shaft is installed in frustum inner chamber, the inner of input shaft is provided with the first driving gear shaft, the inner of first driving gear shaft is engaged with the first driven gear, first driven gear is arranged on one end of three grades of input shafts, the other end of three grades of input shafts is provided with the second driving gear shaft, second driving gear shaft is engaged with the second driven gear, the inner end of the second driven gear is provided with the 3rd driving gear shaft, 3rd driving gear shaft is engaged with output gear, output gear is arranged on the inner end of output shaft, casing is stretched out in the outer end of output shaft, described casing is provided with the butt plate concentric with described output shaft, the card of described butt plate casing is dorsad provided with the locating recesses groove that circumferentially even phase angular spacing is arranged, the inner lane of described hollow slot is provided with protruding rim of the mouth, described butt plate is circumferentially with the U-groove bevel of some homogeneous phase parallactic angles distribution in it, described U-groove bevel is arranged along the dish edge of butt plate to core direction.
The utility model is set to further: the flank of tooth of described first driving gear shaft, the first driven gear, the second driving gear shaft, the second driven gear, the 3rd driving gear shaft, output gear is helical teeth.
The utility model is set to further: the bottom of described casing is provided with mounting base, and described mounting base is provided with lower margin locking hole.
The utility model is set to further: be provided with some along its circumferential equally distributed stiffening rib between described case lid and casing.
Compared with prior art, the utility model has the advantage of, when use this speed reducer and working machine with the use of time, the projection be arranged on working machine will be embedded in locating recesses groove, there is circumferential play when preventing speed reducer from using together with working machine thus cause output shaft to go wrong with coordinating of working machine, further by being arranged on the rim of the mouth on butt plate, the dismounting of the convenient working machine docked with it; By U-groove bevel, make speed reducer and working machine that bolt can be used to provide coupling mechanism force, be different from screw by bolt, its coupling mechanism force that can have altogether is very large and stable; The middle part of case lid inwardly forms frustum, is provided with input shaft in frustum inner chamber by bearing, and this design makes the small volume of deceleration body, and the cooperation of input shaft and case lid is stablized, safe and reliable; The flank of tooth of the first driving gear shaft, the first driven gear, the second driving gear shaft, the second driven gear, the 3rd driving gear shaft, output gear is helical teeth, it compares traditional spur gear, there is the character such as volume is little, lightweight, transmitting torque large, start steadily, velocity ratio classification is meticulous, bearing capacity is strong, durable in use.
Accompanying drawing explanation
Fig. 1 is the overall diagram of the utility model helical speed reduction gear embodiment;
Fig. 2 is the sectional view of the utility model helical speed reduction gear embodiment.
In figure, 1, casing; 11, base; 111, lower margin locking hole; 12, case lid; 121, stiffening rib; 2, butt plate; 21, locating recesses groove; 22, U-groove bevel; 23, protruding rim of the mouth; 3, output shaft; 31, output gear; 4, input shaft; 41, driving gear shaft is inputted; 5, three grades of input shafts; 51, the first driven gear; 52, the second driving gear shaft; 61, the second driven gear; 62, the 3rd driving gear shaft; 7, tertiary gear case.
Embodiment
With reference to Fig. 1, the utility model helical speed reduction gear embodiment is described further.
Present embodiment comprises casing 1 and case lid 12, be provided with some along its circumferential equally distributed stiffening rib 121 between described case lid 12 and casing 1, the bottom of described casing 1 is provided with mounting base 11, described mounting base 11 is provided with lower margin locking hole 111, the middle part of described case lid 12 inwardly forms frustum, by bearing, input shaft 4 is installed in frustum inner chamber, the inner of input shaft 4 is provided with the first driving gear shaft 41, the inner of first driving gear shaft 41 is engaged with the first driven gear 51, first driven gear 51 is arranged on one end of three grades of input shafts 5, the other end of three grades of input shafts 5 is provided with the second driving gear shaft 52, second driving gear shaft 52 is engaged with the second driven gear 61, the inner end of the second driven gear 61 is provided with the 3rd driving gear shaft 62, 3rd driving gear shaft 62 is engaged with output gear 31, output gear 31 is arranged on the inner end of output shaft 3, casing 1 is stretched out in the outer end of output shaft 3, described casing 1 is provided with the butt plate 2 concentric with described output shaft 3, the card of described butt plate 2 casing 1 is dorsad provided with the locating recesses groove 21 that circumferentially even phase angular spacing is arranged, the inner lane of described locating recesses groove 21 is provided with protruding rim of the mouth 23, described butt plate 2 is circumferentially with the U-groove bevel 22 of some homogeneous phase parallactic angles distribution in it, described U-groove bevel 22 is arranged along the dish edge of butt plate 2 to core direction.
According to said structure and accompanying drawing, three grades of input shafts 5 are arranged on casing 1 in the position tertiary gear case 7 of case lid 12, can according to the lower margin locking hole 111 arranged on the pedestal 11, speed reducer is placed on corresponding place, make bolt be fixed on corresponding place by lower margin locking hole 111, prevent overall vibrations; The non-deformability of case lid 12 when speed reducer coordinates with prime mover is greatly strengthen by case lid 12 and the stiffening rib 121 be arranged between its with casing 1; When use this speed reducer and working machine with the use of time, the projection be arranged on working machine will be embedded in locating recesses groove 21, there is circumferential play when preventing speed reducer from using together with working machine thus cause output shaft 3 to go wrong with coordinating of working machine, further by being arranged on the protruding rim of the mouth 23 of the inner lane of locating recesses groove 21, further enhance stationkeeping ability; By U-groove bevel 22, make speed reducer and working machine that bolt can be used to provide coupling mechanism force, be different from screw by bolt, its coupling mechanism force that can have altogether is very large and stable.
Further, the flank of tooth of described first driving gear shaft 41, first driven gear 51, second driving gear shaft 52, second driven gear 61, the 3rd driving gear shaft 62, output gear 31 is helical teeth, it compares traditional spur gear, there is the character such as volume is little, lightweight, transmitting torque large, start steadily, velocity ratio classification is meticulous, bearing capacity is strong, durable in use.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a helical speed reduction gear, comprise casing and case lid, the middle part of described case lid inwardly forms frustum, by bearing, input shaft is installed in frustum inner chamber, the inner of input shaft is provided with the first driving gear shaft, the inner of first driving gear shaft is engaged with the first driven gear, first driven gear is arranged on one end of three grades of input shafts, the other end of three grades of input shafts is provided with the second driving gear shaft, second driving gear shaft is engaged with the second driven gear, the inner end of the second driven gear is provided with the 3rd driving gear shaft, 3rd driving gear shaft is engaged with output gear, output gear is arranged on the inner end of output shaft, casing is stretched out in the outer end of output shaft, it is characterized in that, described casing is provided with the butt plate concentric with described output shaft, the card of described butt plate casing is dorsad provided with the locating recesses groove that circumferentially even phase angular spacing is arranged, the inner lane of described hollow slot is provided with protruding rim of the mouth, described butt plate is circumferentially with the U-groove bevel of some homogeneous phase parallactic angles distribution in it, described U-groove bevel is arranged along the dish edge of butt plate to core direction.
2. helical speed reduction gear according to claim 1, is characterized in that, the flank of tooth of described first driving gear shaft, the first driven gear, the second driving gear shaft, the second driven gear, the 3rd driving gear shaft, output gear is helical teeth.
3. helical speed reduction gear according to claim 1, is characterized in that, the bottom of described casing is provided with mounting base, and described mounting base is provided with lower margin locking hole.
4. helical speed reduction gear according to claim 1, is characterized in that, is provided with some along its circumferential equally distributed stiffening rib between described case lid and casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520262347.3U CN204572938U (en) | 2015-04-27 | 2015-04-27 | Helical speed reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520262347.3U CN204572938U (en) | 2015-04-27 | 2015-04-27 | Helical speed reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572938U true CN204572938U (en) | 2015-08-19 |
Family
ID=53865579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520262347.3U Active CN204572938U (en) | 2015-04-27 | 2015-04-27 | Helical speed reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360961A (en) * | 2020-11-26 | 2021-02-12 | 万鑫精工(湖南)股份有限公司 | Stable and easily-detachable speed reducer device for lathe |
| WO2024078031A1 (en) * | 2022-10-14 | 2024-04-18 | 浙江联宜电机有限公司 | Reduction gearbox, reduction motor, and connection structure of ice maker load part and reduction motor |
-
2015
- 2015-04-27 CN CN201520262347.3U patent/CN204572938U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360961A (en) * | 2020-11-26 | 2021-02-12 | 万鑫精工(湖南)股份有限公司 | Stable and easily-detachable speed reducer device for lathe |
| WO2024078031A1 (en) * | 2022-10-14 | 2024-04-18 | 浙江联宜电机有限公司 | Reduction gearbox, reduction motor, and connection structure of ice maker load part and reduction motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |