CN205118204U - Speed reducer - Google Patents
Speed reducer Download PDFInfo
- Publication number
- CN205118204U CN205118204U CN201520864871.8U CN201520864871U CN205118204U CN 205118204 U CN205118204 U CN 205118204U CN 201520864871 U CN201520864871 U CN 201520864871U CN 205118204 U CN205118204 U CN 205118204U
- Authority
- CN
- China
- Prior art keywords
- worm
- speed reducer
- worm screw
- optical axis
- worm gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a speed reducer, speed reducer includes box, worm, worm wheel and worm -wheel shaft, its characterized in that speed reducer's speed reducing ratio is 16: 1, the worm wheel with the worm is the circular arc profile of tooth, the worm is the triple start worm, the number of teeth of worm wheel is 48. The utility model provides a speed reducer's worm changes 3 worms into by 2 worms, and the worm wheel number of teeth is intensive, makes speed reducer smooth operation, and shortened the length of worm shaft shoulder section, the quantity of worm upper bearing becomes 2 by 3, makes speed reducer compact structure, noise are little, have improved speed reducer's life.
Description
Technical field
The utility model relates to field of mechanical technique, is specifically related to a kind of speed reducer.
Background technique
Speed reducer is a kind of power transmission mechanism, utilizes the velocity transducer of gear, the winding number of motor (motor) is decelerated to desired winding number, and obtains the mechanism of larger torque.At present quite extensive for the application area of speed reducer in the mechanism of transferring power and motion.Its trace almost can be seen in various machine driven system.
The general volume of existing speed reducer is comparatively large and precision is not high.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of speed reducer.
Speed reducer of the present utility model comprises casing, worm screw, worm gear and worm-wheel shaft, and it is characterized in that the reduction speed ratio of described speed reducer is 16: 1, described worm gear and described worm screw are arc toothed, and described worm screw is triple start worm, and the number of teeth of described worm gear is 48.
Preferably, described worm-wheel shaft is provided with worm gear part and bearing portion, and described bearing portion is located at the both sides of described worm gear part.
Preferably, described worm-wheel shaft is set with two bearings, is set in the bearing portion of described worm-wheel shaft.
Preferably, described worm screw is provided with circular arc teeth portion, described circular arc teeth portion both sides are equipped with shaft shoulder section and optical axis section, the diameter dimension of described shaft shoulder section is greater than the diameter dimension of described optical axis section, the setting of described optical axis section is in order to bearing set, and the setting of described shaft shoulder section is to position the bearing in optical axis section.
Preferably, the worm screw of described speed reducer is set with two bearings, is set in the optical axis section at described worm screw two ends.
The worm screw of the speed reducer that the utility model provides changes 3 worm screws into by 2 worm screws, the worm gear number of teeth is intensive, make speed reducer smooth running, and shorten the length of described worm screw shaft shoulder section, the quantity of worm screw upper bearing (metal) becomes 2 by 3, make that described speed reducer structure is compact, noise is little, improve the working life of described speed reducer.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the utility model embodiment, above-mentioned and other objects of the present utility model, feature and advantage will be more clear, in the accompanying drawings:
Fig. 1 illustrates the plan view of speed reducer;
Fig. 2 illustrates the side view of speed reducer;
Fig. 3 illustrates the sectional view of speed reducer;
Fig. 4 illustrates the structural representation of worm gear and worm-wheel shaft;
Fig. 5 illustrates the structural representation of worm screw.
Embodiment
Hereinafter with reference to accompanying drawing, various embodiment of the present utility model is described in more detail.In various figures, identical element adopts same or similar reference character to represent.For the sake of clarity, the various piece in accompanying drawing is not drawn in proportion.
As depicted in figs. 1 and 2, speed reducer of the present utility model comprises casing 1, input flange 2, large lid 3 and transparent cover 4, wherein said casing 1 comprises Worm gear case 1a and worm screw case 1b, described Worm gear case 1a and worm screw case 1b is the Unified Global of vertical distribution, and described input flange 2 and greatly lid 3 and transparent cover 4 are connected for detachable with described casing 1.
One end of the Worm gear case 1a of described casing 1 is provided with transparent cover joint, and described transparent cover joint is provided with screw, is bolted, convenient disassembly between described transparent cover 4 and described Worm gear case 1a.The other end of the Worm gear case 1a of described casing 1 is provided with large lid joint, and described large lid joint is provided with described in screw and is bolted between large lid 3 and described Worm gear case 1a, convenient disassembly.
The input end of the worm screw case 1b of described casing 1 is provided with input flange joint, and described input flange joint is provided with screw, is bolted, convenient disassembly between described input flange 2 and described worm screw case 1b.
As shown in Figure 3 and Figure 4, be provided with worm gear 5 and worm-wheel shaft 6 in described Worm gear case 1a, described worm gear 5 is circle-arc tooth, and the number of teeth of described worm gear 5 is 48.
Described worm-wheel shaft 6 is provided with worm gear part 6a and bearing portion 6b, and described worm gear 5 is sleeved on described worm gear part 6a.Described bearing portion 6b is located at the both sides of described worm gear part.
Described worm-wheel shaft 6 is set with two bearings, is set in the bearing portion 6b of described worm-wheel shaft.
As shown in Figure 5, be provided with worm screw 7 in described worm screw case 1b, described worm screw 7 is circle-arc tooth worm screw.Described worm screw 7 comprises circular arc teeth portion 7a, spline part 7b, flat strong portion 7c, screw section 7d, optical axis section 7e and shaft shoulder section 7f; Described circular arc teeth portion 7a, spline part 7b, screw section 7d, optical axis section 7e and the equal coaxial line of shaft shoulder section 7f.
The input end of described worm screw 7 is provided with spline part 7b, described worm screw 7 and drive between its motor rotated and adopt spline joint.
The other end of described worm screw 7 is provided with flat strong portion 7b and screw section 7c, and the setting of described flat strong portion 7b and screw section 7c is in order to the connection with described casing.
The circular arc teeth portion 7a both sides of described worm screw 7 are equipped with shaft shoulder section 7f and optical axis section 7e, the diameter dimension of described shaft shoulder section 7f is greater than the diameter dimension of described optical axis section 7e, the setting of described optical axis section 7e is in order to bearing set, and the setting of described shaft shoulder section 7f is to position the bearing on optical axis section 7e.
The worm screw 7 of described speed reducer is set with two bearings, described bearing is set in the optical axis section 7e at described worm screw two ends.
The reduction speed ratio of described speed reducer is 16: 1.
The worm screw of the speed reducer that the utility model provides changes 3 worm screws into by 2 worm screws, the worm gear number of teeth is intensive, make speed reducer smooth running, and shorten the length of described worm screw shaft shoulder section, the quantity of worm screw upper bearing (metal) becomes 2 by 3, be that described speed reducer structure is compact, noise is little, improve the working life of described speed reducer.
Last it is noted that obviously, above-described embodiment is only for the utility model example is clearly described, and the restriction not to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And thus the apparent change of amplifying out or variation be still among protection domain of the present utility model.
Claims (5)
1. a speed reducer, comprises casing, worm screw, worm gear and worm-wheel shaft, and it is characterized in that the reduction speed ratio of described speed reducer is 16: 1, described worm gear and described worm screw are arc toothed, and described worm screw is triple start worm, and the number of teeth of described worm gear is 48.
2. speed reducer according to claim 1, it is characterized in that described worm-wheel shaft is provided with worm gear part and bearing portion, described bearing portion is located at the both sides of described worm gear part.
3., according to speed reducer according to claim 1 or claim 2, it is characterized in that described worm-wheel shaft being set with two bearings, be set in the bearing portion of described worm-wheel shaft.
4. speed reducer according to claim 1, it is characterized in that described worm screw is provided with circular arc teeth portion, described circular arc teeth portion both sides are equipped with shaft shoulder section and optical axis section, the diameter dimension of described shaft shoulder section is greater than the diameter dimension of described optical axis section, the setting of described optical axis section is in order to bearing set, and the setting of described shaft shoulder section is to position the bearing in optical axis section.
5., according to claim 1 or speed reducer according to claim 4, the worm screw that it is characterized in that described speed reducer is set with two bearings, is set in the optical axis section at described worm screw two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864871.8U CN205118204U (en) | 2015-11-03 | 2015-11-03 | Speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864871.8U CN205118204U (en) | 2015-11-03 | 2015-11-03 | Speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118204U true CN205118204U (en) | 2016-03-30 |
Family
ID=55573818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520864871.8U Expired - Fee Related CN205118204U (en) | 2015-11-03 | 2015-11-03 | Speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205118204U (en) |
-
2015
- 2015-11-03 CN CN201520864871.8U patent/CN205118204U/en not_active Expired - Fee Related
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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: 20160330 Termination date: 20171103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |