CN204878545U - Improvement type motor reducer - Google Patents
Improvement type motor reducer Download PDFInfo
- Publication number
- CN204878545U CN204878545U CN201520659016.3U CN201520659016U CN204878545U CN 204878545 U CN204878545 U CN 204878545U CN 201520659016 U CN201520659016 U CN 201520659016U CN 204878545 U CN204878545 U CN 204878545U
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- China
- Prior art keywords
- roller
- worm
- cabinet
- worm gear
- worm screw
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Abstract
The utility model discloses an improvement type motor reducer, it includes quick -witted case, installs input shaft and output shaft and step down gear mechanism on quick -witted case, and step down gear mechanism includes: installing in quick -witted case and cup jointing in epaxial first, the second worm wheel dish of output, be used for driving first, second worm wheel dish pivoted worm and main drive axle simultaneously, main drive axle one end is stretched out outside quick -witted case to as the input shaft, be equipped with the helical tooth on the worm, face that first, second worm wheel dish corresponds is equipped with a plurality of corresponding first, second rollers, and the helical tooth of worm is inlayed in between first, the second roller. The utility model discloses the during operation, earlier through the input shaft motor, the motor drive input shaft rotates and the main drive axle rotates simultaneously, and main drive axle worm shaft rotates, and the worm drives first, second worm wheel dish simultaneously at the pivoted and rotates, and first, second worm wheel dish drive output shaft rotates, finally plays good matching rotational speed and transmitting torque's effect, just driven stable preferred.
Description
technical field:
The utility model relates to speed reducer technical field, refers in particular to a kind of improved type motor reducer.
background technique:
Speed reducer is a kind of speed changer, it is generally used for the transmission device of low rotation speed large torque, principle is motor, internal-combustion engine, motor or other power run up, and by the gearwheel on the gears meshing output shaft that the number of teeth on the input shaft of speed reducer is few, thus reaches the object of deceleration; The ratio of the number of teeth of large small gear is exactly velocity ratio.Retarder is commonly used for the speed reduction gearing between prime mover and working machine, plays coupling rotating speed and transmitting torque, apply very extensive in modern mechanical between prime mover and working machine or actuator.
Retarder of the prior art generally comprises: a cabinet, be installed on input shaft and the output shaft on cabinet and be installed in cabinet and the reduction gearing mechanism be connected between input shaft and output shaft, the structure of this reduction gearing mechanism is very simple, cause its transmission stability not good, and the effect of coupling rotating speed and transmitting torque is not ideal enough; Or the structure of this reduction gearing mechanism is comparatively complicated, make its transmission stability better, and the effect of coupling rotating speed and transmitting torque is ideal, but its fabricating cost is high, is unfavorable for maintenance.
In view of this, the present inventor proposes following technological scheme.
model utility content:
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of improved type motor reducer.
In order to solve the problems of the technologies described above, the utility model have employed following technical proposals: this improved type motor reducer comprises: a cabinet, be installed on input shaft and the output shaft on cabinet and be installed in cabinet and the reduction gearing mechanism be connected between input shaft and output shaft, described reduction gearing mechanism comprises: to be installed in cabinet and to be socketed on first on output shaft, second worm gear dish, with first, second worm gear dish connect and for driving first, the worm screw that second worm gear dish rotates simultaneously and for driving the main driving axle of this worm screw rotating shaft, this main driving axle one end stretches out in outside cabinet, and as described input shaft, described worm screw is provided with helical tooth, and the face that this first, second worm gear dish is corresponding is respectively arranged with a plurality of the first corresponding roller and the second roller, and the helical tooth on worm screw is embedded between this first roller and second roller, and interlock.
Furthermore, in technique scheme, form stable connection by sleeve fitted bolt and nut between first, second described worm gear dish, wherein, sleeve two ends are inconsistent with first, second worm gear dish end face respectively.
Furthermore, in technique scheme, it is peripheral that described first roller is arranged at the first worm gear dish lower end, and this first roller circumferentially distributes; It is peripheral that described second roller is arranged at the second worm gear dish lower end, and this second roller circumferentially distributes.
Furthermore, in technique scheme, the first roller in described first worm gear dish and the second roller in the second worm gear dish are interspersed, and form the space of closely conflicting for the helical tooth on worm screw between the first adjacent roller and the second roller.
Furthermore, in technique scheme, described main driving axle is provided with main helical gear, described worm screw one end is provided with secondary helical gear, and this secondary helical gear engages with main helical gear.
Furthermore, in technique scheme, described main driving axle one end is provided with first, second bearing, this main driving axle the other end is provided with the 3rd, the 4th bearing, and being provided with the first sleeve block in the middle part of this main driving axle, this first, second bearing and the 3rd, the 4th bearing and the first sleeve block are fixed in cabinet.
Furthermore, in technique scheme, be provided with first, second step trough in described cabinet, first, second bearing described is fixedly installed in this first step trough; Described 3rd, the 4th bearing is fixedly installed in this second step trough.
Furthermore, in technique scheme, described worm screw is mounted opposite and the helical gear the other end of pair is provided with the 5th bearing, and this worm screw is also provided with the second sleeve block, and this second sleeve block is between secondary helical gear and helical tooth.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art: during utility model works, first connect motor by input shaft, this motor drives input shaft to rotate, that is motor drives the main driving axle in reduction gearing mechanism to rotate, and this main driving axle drives the rotation of secondary helical gear to impel worm screw rotation by main helical gear, this worm screw drives first by helical tooth while rotation, second worm gear dish rotates, and first, second worm gear dish drives described output shaft rotation, finally play good coupling rotating speed and the effect of transmitting torque, and the stability of whole process transmission is better.In addition, the utility model structure is comparatively simple, and has higher transmission accuracy and transmission efficiency, and is convenient to maintenance.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the erection drawing of first, second worm gear dish and worm screw in the utility model.
embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
See shown in Fig. 1-2, for a kind of improved type motor reducer, it comprises: a cabinet 1, be installed on input shaft 2 and the output shaft 3 on cabinet 1 and be installed in cabinet 1 and the reduction gearing mechanism 4 be connected between input shaft 2 and output shaft 3, and described input shaft 2 and output shaft 3 mutually vertical distribution can meet some special transmission demands with this.
Described reduction gearing mechanism 4 comprises: to be installed in cabinet 1 and be socketed on first, second worm gear dish on output shaft 3 41,42, to be connected with first, second worm gear dish 41,42 and for the worm screw 43 that drives first, second worm gear dish 41,42 to rotate simultaneously and for driving the main driving axle 44 of this worm screw 43 rotating shaft, this main driving axle 44 one end stretches out in outside cabinet 1, and as described input shaft 2; Described worm screw 43 is provided with helical tooth 431, this first, second worm gear dish 41,42) corresponding face is respectively arranged with a plurality of the first corresponding roller 411 and the second roller 421, helical tooth 431 on worm screw 43 is embedded between this first roller 211 and second roller 221, and interlock.
Form stable connection by sleeve 45 fitted bolt and nut between first, second described worm gear dish 41,42, wherein, sleeve 45 two ends are inconsistent with first, second worm gear dish 41,42 end face respectively.
It is peripheral that described first roller 411 is arranged at the first worm gear dish 41 lower end, and this first roller 411 circumferentially distributes; It is peripheral that described second roller 421 is arranged at the second worm gear dish 42 lower end, and this second roller 421 circumferentially distributes.In addition, the first roller 411 in described first worm gear dish 41 and the second roller 421 in the second worm gear dish 42 are interspersed, and form the space of closely conflicting for the helical tooth 431 on worm screw 43 between the first adjacent roller 411 and the second roller 421.
Because first, second worm gear dish 41,42 described forms slitless connection by the helical tooth 421 on the roller 411,421 of its lower end and worm screw 42, and formed without back clearance transmission, make transmission between worm screw 42 and first, second worm gear dish more stable, to improve transmission accuracy of the present utility model and transmission efficiency.
Described main driving axle 44 is provided with main helical gear 441, and described worm screw 43 one end is provided with secondary helical gear 432, and this secondary helical gear 432 engages with main helical gear 441, worm screw 43 can be driven to rotate to cause main driving axle 44.
Described main driving axle 44 one end is provided with first, second bearing 442,443, this main driving axle 44 the other end is provided with the 3rd, the 4th bearing 444,445, and being provided with the first sleeve block 446 in the middle part of this main driving axle 44, this first, second bearing the 442,443 and the 3rd, the 4th bearing 444,445 and first sleeve block 446 is fixed in cabinet 1.Specifically, be provided with first, second step trough in described cabinet 1, first, second bearing 442,443 described is fixedly installed in this first step trough, and the structure of this first step trough has effect of oil-leakage-prevention; Described 3rd, the 4th bearing 444,445 is fixedly installed in this second step trough, and the structure of this second step trough has effect of oil-leakage-prevention equally.
The other end that described worm screw 43 is mounted opposite in secondary helical gear 432 is provided with the 5th bearing 433, and this worm screw 43 is also provided with the second sleeve block 434, and this second sleeve block 434 is between secondary helical gear 432 and helical tooth 431.Described worm screw 43 is installed in cabinet by described 5th bearing 433 and the second sleeve block 434, can improve the stability that this worm screw 43 is rotated, to have preferably transmission stability.
During utility model works, first connect motor by input shaft 2, this motor drives input shaft to rotate, that is motor drives the main driving axle in reduction gearing mechanism 4 to rotate, and this main driving axle drives the rotation of secondary helical gear to impel worm screw rotation by main helical gear, this worm screw drives first, second worm gear dish to rotate by helical tooth while rotation, and first, second worm gear dish drives described output shaft rotation, finally play good coupling rotating speed and the effect of transmitting torque, and the stability of whole process transmission is better.In addition, the utility model structure is comparatively simple, and has higher transmission accuracy and transmission efficiency, and is convenient to maintenance.
Certainly, the foregoing is only specific embodiment of the utility model, be not limit the utility model practical range, all equivalences done according to structure, feature and principle described in the utility model claim change or modify, and all should be included in the utility model claim.
Claims (8)
1. improved type motor reducer, it comprises: a cabinet (1), be installed on input shaft (2) and the output shaft (3) on cabinet (1) and be installed in cabinet (1) and the reduction gearing mechanism (4) be connected between input shaft (2) and output shaft (3), it is characterized in that:
Described reduction gearing mechanism (4) comprising: to be installed in cabinet (1) and to be socketed on first, second worm gear dish (41,42) on output shaft (3), to be connected with first, second worm gear dish (41,42) and for the worm screw (43) that drives first, second worm gear dish (41,42) to rotate simultaneously and for driving the main driving axle (44) of this worm screw (43) rotating shaft, this main driving axle (44) one end stretches out in cabinet (1) outward, and as described input shaft (2); Described worm screw (43) is provided with helical tooth (431), the face that this first, second worm gear dish (41,42) is corresponding is respectively arranged with a plurality of corresponding the first roller (411) and the second roller (421), helical tooth (431) on worm screw (43) is embedded between this first roller (211) and second roller (221), and interlock.
2. a kind of motor reducer according to claim 1, it is characterized in that: between described first, second worm gear dish (41,42), form stable connection by sleeve (45) fitted bolt and nut, wherein, sleeve (45) two ends are inconsistent with first, second worm gear dish (41,42) end face respectively.
3. a kind of motor reducer according to claim 1, is characterized in that: it is peripheral that described first roller (411) is arranged at the first worm gear dish (41) lower end, and this first roller (411) circumferentially distributes; It is peripheral that described second roller (421) is arranged at the second worm gear dish (42) lower end, and this second roller (421) circumferentially distributes.
4. a kind of motor reducer according to claim 3, it is characterized in that: the first roller (411) in described first worm gear dish (41) and the second roller (421) in the second worm gear dish (42) are interspersed, between adjacent the first roller (411) and the second roller (421), form the space of closely conflicting for the helical tooth (431) on worm screw (43).
5. a kind of motor reducer according to claim 1-4 any one, it is characterized in that: described main driving axle (44) is provided with main helical gear (441), described worm screw (43) one end is provided with secondary helical gear (432), and this secondary helical gear (432) engages with main helical gear (441).
6. a kind of motor reducer according to claim 1-4 any one, it is characterized in that: described main driving axle (44) one end is provided with first, second bearing (442,443), this main driving axle (44) the other end is provided with the 3rd, the 4th bearing (444,445), and this main driving axle (44) middle part is provided with the first sleeve block (446), this first, second bearing (442,443) and the 3rd, the 4th bearing (444,445) and the first sleeve block (446) are fixed in cabinet (1).
7. a kind of motor reducer according to claim 6, is characterized in that: described cabinet is provided with first, second step trough in (1), and first, second bearing described (442,443) is fixedly installed in this first step trough; Described 3rd, the 4th bearing (444,445) is fixedly installed in this second step trough.
8. a kind of motor reducer according to claim 6, it is characterized in that: the other end that described worm screw (43) is mounted opposite in secondary helical gear (432) is provided with the 5th bearing (433), and this worm screw (43) is also provided with the second sleeve block (434), this second sleeve block (434) is positioned between secondary helical gear (432) and helical tooth (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520659016.3U CN204878545U (en) | 2015-08-28 | 2015-08-28 | Improvement type motor reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520659016.3U CN204878545U (en) | 2015-08-28 | 2015-08-28 | Improvement type motor reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878545U true CN204878545U (en) | 2015-12-16 |
Family
ID=54822920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520659016.3U Expired - Fee Related CN204878545U (en) | 2015-08-28 | 2015-08-28 | Improvement type motor reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828580A (en) * | 2019-04-15 | 2020-10-27 | 上海联紫能源科技有限公司 | Cam worm speed reducer |
| CN113958673A (en) * | 2020-07-20 | 2022-01-21 | 邱垂财 | Non-backlash double-row roller cam transmission device |
-
2015
- 2015-08-28 CN CN201520659016.3U patent/CN204878545U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828580A (en) * | 2019-04-15 | 2020-10-27 | 上海联紫能源科技有限公司 | Cam worm speed reducer |
| CN113958673A (en) * | 2020-07-20 | 2022-01-21 | 邱垂财 | Non-backlash double-row roller cam transmission device |
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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 |
Granted publication date: 20151216 Termination date: 20190828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |