CN203009719U - Worm and gear reducer - Google Patents
Worm and gear reducer Download PDFInfo
- Publication number
- CN203009719U CN203009719U CN 201320022427 CN201320022427U CN203009719U CN 203009719 U CN203009719 U CN 203009719U CN 201320022427 CN201320022427 CN 201320022427 CN 201320022427 U CN201320022427 U CN 201320022427U CN 203009719 U CN203009719 U CN 203009719U
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- CN
- China
- Prior art keywords
- worm
- bearing
- gear
- casing
- worm screw
- 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
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Abstract
The utility model relates to a worm and gear reducer which comprises a box, a worm wheel, a worm and an input flange, wherein the worm wheel is arranged on a worm-wheel shaft in a sleeving manner, and engaged with the worm; the input flange is fixedly arranged on one side of the box; the two ends of the worm are fixed on the box by a first bearing and a second bearing respectively; the two ends of the worm-wheel shaft are fixed on the box by a third bearing and a fourth bearing respectively; check rings are arranged at the outer ends of the first bearing, the second bearing and the fourth bearing; a worm front end cover and a worm rear end cover are arranged at the two ends of the worm respectively; a worm wheel front end cover and a worm wheel rear end cover are arranged at the two ends of the worm-wheel shaft respectively; and a center distance of the reducer is 50-63mm. The worm and gear reducer has the advantages of simple and compact structure, good sealability, excellent transmission smoothness, low noise, long service life and the like.
Description
Technical field
The utility model belongs to field of mechanical technique, specifically relates to a kind of worm-gear 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 obtain the mechanism of larger torque.Be used for the mechanism of transferring power and motion at present, the application area of speed reducer is quite extensive.Almost can see its trace in the transmission system of various machinery, from boats and ships, automobile, the locomotive of the traffic tool, heavy machinery for building, the machining machine and tool that mechanical industry is used and automated production equipment, common household electrical appliances in the daily life, clock and watch etc.
Speed reducer is a kind of relatively accurate machinery, and the purpose of using it is to reduce rotating speed, increases torque.It of a great variety, model is different, and variety classes has different purposes.Retarder of a great variety can be divided into gear reducer, worm reducer and plane table thermoconductivity meter according to the transmission type; Can be divided into single-stage and multi-stage speed reducer according to transmission progression difference; Can be divided into cylinder gear speed reducer, cone gear reducer and circular cone-cylinder gear speed reducer according to gear shape; Setting type according to transmission can be divided into again expansion, flow deviding type and coaxial-type retarder.
Existing worm-gear speed reducer, when in use, transmission not steadily, noise is large, working life is shorter, can not well adapt to long-term work under rugged environment.
The model utility content
The defective that exists in order to solve existing design, the utility model provides a kind of worm-gear speed reducer.
A kind of worm-gear speed reducer, described speed reducer comprises casing, worm gear, worm screw and input flange, and described worm gear set is located on worm-wheel shaft, and described wormgear engaging worm, described input flange are fixedly installed on a side of casing; Described worm screw two ends are fixed on casing by clutch shaft bearing and the second bearing respectively, described worm-wheel shaft two ends are fixed on casing by the 3rd bearing and the 4th bearing respectively, the outer end of described clutch shaft bearing, the second bearing and the 4th bearing is equipped with back-up ring, described worm screw two ends are respectively equipped with worm screw front cover and worm screw rear end cover, and worm-wheel shaft two ends are respectively equipped with worm gear front cover and worm gear rear end cover; The centre distance of described speed reducer is 50～63mm.
Preferably, be provided with the first worm gear oil sealing between described worm gear and casing, worm gear front cover, be provided with the second worm gear oil sealing between described worm gear and casing, worm gear rear end cover.
Preferably, be provided with the first worm screw oil sealing between described worm screw and casing, worm screw front cover, be provided with the second worm screw oil sealing between described worm screw and casing, worm screw rear end cover.
Preferably, be provided with the O RunddichtringO between described worm screw front cover and casing.
Preferably, the external diameter of described input flange is 110～200mm, and internal diameter is 70～130mm.
The utlity model has simple and compact for structure, good airproof performance, the advantages such as transmission stability is excellent, noise is little, long service life.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is left view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1, Fig. 2, a kind of worm-gear speed reducer, described speed reducer comprise casing 1, worm gear 2, worm screw 3 and input flange 4, described worm gear 2 is set on worm-wheel shaft 5, described worm gear 2 engages worm 3, described input flange 4 is fixedly installed on a side of casing 1; Described worm screw 3 two ends are fixed on casing 1 by clutch shaft bearing 6 and the second bearing 7 respectively, described worm-wheel shaft 5 two ends are fixed on casing by the 3rd bearing 8 and the 4th bearing 9 respectively, the outer end of described clutch shaft bearing 6, the second bearing 7 and the 4th bearing 9 is equipped with back-up ring 10, described worm screw 3 two ends are respectively equipped with worm screw front cover 11 and worm screw rear end cover 12, and worm-wheel shaft 5 two ends are respectively equipped with worm gear front cover 13 and worm gear rear end cover 14.
Be provided with the first worm gear oil sealing 15 between described worm gear 2 and casing 1, worm gear front cover 13, be provided with the second worm gear oil sealing 16 between described worm gear 2 and casing 1, worm gear rear end cover 14.
Be provided with the first worm screw oil sealing 17 between described worm screw 3 and casing 1, worm screw front cover 11, be provided with the second worm screw oil sealing 18 between described worm screw 3 and casing 1, worm screw rear end cover 12.Be provided with O RunddichtringO 19 between described worm screw front cover 11 and casing 1.
The centre distance of described speed reducer is 50mm, and the external diameter of described input flange is 110mm, and internal diameter is 70mm.
Claims (5)
1. worm-gear speed reducer, it is characterized in that: described speed reducer comprises casing, worm gear, worm screw and input flange, and described worm gear set is located on worm-wheel shaft, and described wormgear engaging worm, described input flange are fixedly installed on a side of casing; Described worm screw two ends are fixed on casing by clutch shaft bearing and the second bearing respectively, described worm-wheel shaft two ends are fixed on casing by the 3rd bearing and the 4th bearing respectively, the outer end of described clutch shaft bearing, the second bearing and the 4th bearing is equipped with back-up ring, described worm screw two ends are respectively equipped with worm screw front cover and worm screw rear end cover, and worm-wheel shaft two ends are respectively equipped with worm gear front cover and worm gear rear end cover; The centre distance of described speed reducer is 50～63mm.
2. worm-gear speed reducer according to claim 1, is characterized in that: be provided with the first worm gear oil sealing between described worm gear and casing, worm gear front cover, be provided with the second worm gear oil sealing between described worm gear and casing, worm gear rear end cover.
3. worm-gear speed reducer according to claim 1, is characterized in that: be provided with the first worm screw oil sealing between described worm screw and casing, worm screw front cover, be provided with the second worm screw oil sealing between described worm screw and casing, worm screw rear end cover.
4. worm-gear speed reducer according to claim 1, is characterized in that: be provided with the O RunddichtringO between described worm screw front cover and casing.
5. worm-gear speed reducer according to claim 1, it is characterized in that: the external diameter of described input flange is 110～200mm, internal diameter is 70～130mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022427 CN203009719U (en) | 2013-01-16 | 2013-01-16 | Worm and gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022427 CN203009719U (en) | 2013-01-16 | 2013-01-16 | Worm and gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009719U true CN203009719U (en) | 2013-06-19 |
Family
ID=48601316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320022427 Expired - Fee Related CN203009719U (en) | 2013-01-16 | 2013-01-16 | Worm and gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009719U (en) |
-
2013
- 2013-01-16 CN CN 201320022427 patent/CN203009719U/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: 20130619 Termination date: 20150116 |
|
| EXPY | Termination of patent right or utility model |