CN203146705U - Built-in limiting type rotary driving device - Google Patents
Built-in limiting type rotary driving device Download PDFInfo
- Publication number
- CN203146705U CN203146705U CN 201320147908 CN201320147908U CN203146705U CN 203146705 U CN203146705 U CN 203146705U CN 201320147908 CN201320147908 CN 201320147908 CN 201320147908 U CN201320147908 U CN 201320147908U CN 203146705 U CN203146705 U CN 203146705U
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- CN
- China
- Prior art keywords
- worm gear
- top board
- seat ring
- ring
- limit
- 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 - Lifetime
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Abstract
The utility model discloses a built-in limiting type rotary driving device which comprises a base, a limiting worm wheel, a worm and an ejector plate. The base is composed of a race and a shaft casing. The axis of the shaft casing and the axis of the race are perpendicular to each other in the space position. A partial arc of the outer circumference of a gear ring of the limiting worm wheel is provided with teeth, the radius of an arc portion without the teeth is smaller than the radius of the arc portion with the teeth. An installing shaft is arranged on one side of the gear ring, and an output shaft is arranged on the other side of the gear ring. A limiting device is arranged on the inner side of the race. Due to the fact that the limiting device is arranged on the inner side of the race, the built-in limiting type rotary driving device has the advantages of being compact in specific structure, reliable in limit and the like.
Description
Technical field
The utility model relates to a kind of device for revolving and driving, particularly a kind of device for revolving and driving with position-limit mechanism.
Background technique
Documents such as CN201401484Y, CN201137671Y, CN101482160B disclose the device for revolving and driving (also claiming rotary decelerator) of different structure, the basic structure of these device for revolving and driving is pivoting support and worm structure, the outer ring of pivoting support is designed to worm gear and cooperates with worm screw, wherein worm gear all adopts the full-depth tooth wheel, just the cylindrical 360o circumferencial direction of worm gear is provided with " tooth ", when this full-depth tooth wheel device for revolving and driving is worked, the angle of swing of worm gear can be the arbitrarily angled of 0-360o, and rotation can be above arbitrarily angled of 360o during multi-turn.But under some special applied environment, often only need device for revolving and driving (as 60o, 90o, 127o, 150o, 180o, 329o etc.) rotation in the certain limit less than 360o just can satisfy usage requirement, with regard to the tooth that has caused the device for revolving and driving worm gear the unnecessary and waste of part is arranged like this, also cause the unnecessary increase of cost.CN202493648U then discloses a kind of half gear device for revolving and driving, and this model utility discloses on a kind of worm gear excircle has only partial arc to be provided with the device for revolving and driving of tooth.Simultaneously, for the excessive situation of rotation that prevents that external toothing from may occur when moving, in the technique scheme buffer stopper or limit switch can also be set in the appropriate location of seat ring, guarantee that external toothing is rotated in the predetermined scope, or by position transducer is set, with the angle of accurately measuring the external toothing rotation or the position of stop.
Above-mentioned device for revolving and driving structure is comparatively complicated, the cost of production height, and limit stoper is external mode, and it is big to take up room, and reliability is low.
The model utility content
The utility model provides a kind of built-in limit-type device for revolving and driving.
The built-in limit-type device for revolving and driving that the utility model provides, referring to accompanying drawing 1 and accompanying drawing 2, comprise pedestal 5, spacing worm gear 4, worm screw 3, top board 9, described pedestal 5 is made up of seat ring 52 and axle housing 51 two-part, the shaft axis of the shaft axis of axle housing 51 and seat ring 52 is orthogonal on the spatial position, described spacing worm gear 4 comprises gear ring 42 and installation shaft 41, output shaft 43, the upper outer circumference of described gear ring 42 divides circular arc to be provided with tooth, the radius of circular arc portion of tooth is not set less than the radius of the circular arc portion that tooth is set, the both sides of gear ring 42 are respectively arranged with installation shaft 41 and output shaft 43, the inboard of described seat ring 52 is provided with limit stoper, described top board 9 is connected with seat ring 52, have the mounting hole that the output shaft 43 with spacing worm gear 4 adapts on the top board 9, spacing worm gear 4 is installed in the space of seat ring 52 and top board 9 formation by two bearings 28, worm screw 3 is installed in the axle housing 51 by two bearings 1, and worm screw 3 meshes with the tooth of spacing worm gear 4.
In the technique scheme, the limit stoper of seat ring 52 inboards can be the projection 53 that seat ring 52 forms to the inside, also can be mounted in a limiting stopper of seat ring 52 inboards.
Spacing worm gear 4 upper ring gears 42 are provided with the arc length of tooth and the width of limit stoper can be determined easily according to the angle of spacing worm gear 4 needs rotation.
More optimal technological scheme is, be provided with O-ring seals between top board 9 and the seat ring 52, be provided with O-ring seals or lip-type packing 10 between the output shaft 43 of top board 9 and spacing worm gear 4, owing to be motive sealing, preferred lip-type packing 10 between the output shaft 43 of top board 9 and spacing worm gear 4.
The built-in limit-type device for revolving and driving that the utility model provides is when work, spacing worm gear 4 rotations of worm screw 3 rotating drive, when spacing worm gear 4 rotates to several angle, contact with limit stoper, continue rotation with the spacing worm gear 4 of prevention, thereby reach spacing purpose.Advantages such as because limit stoper of the present utility model is arranged on the inboard of seat ring, even can be in a projection of the inboard setting of seat ring, therefore, the utlity model has compact structure, volume be small and exquisite, and is spacing reliable, easy to process.
In the technique scheme, the spacing worm gear 4 of device for revolving and driving can rotate in the scope less than 360o, as 120o, 180o etc., and can carry out spacingly reliably, and compact structure satisfies the application less than 360 degree rotating ranges fully.
Simultaneously, owing to taked seal approach such as O-ring seals or lip-type packing, and the utility model can smear dubbing in the installation position of each component when assembling, therefore, has good waterproof and dustproof effect, and water-proof performance reaches more than the IPX6.
Description of drawings
Fig. 1 is the front view of built-in limit-type device for revolving and driving;
Fig. 2 is that the A-A of built-in limit-type device for revolving and driving shown in Fig. 1 is to sectional view.
Wherein: 1 is end cap, and 2 is that bearing one, 3 is worm screw, 4 is spacing worm gear, and 41 is the installation shaft of spacing worm gear, and 42 is the gear ring of spacing worm gear, 43 is the output shaft of spacing worm gear, and 5 is pedestal, and 51 is the axle housing of pedestal, 52 is the seat ring of pedestal, and 53 is the projection of pedestal, and 6 is the motor regulating block, 7 is drive motor, 8 is that bearing two, 9 is top board, and 10 are lip-type packing.
Embodiment
How specifically to implement the utility model below in conjunction with description of drawings.
As shown in Figure 1 and Figure 2, built-in limit-type device for revolving and driving described in the utility model can be implemented in the following manner.
Built-in limit-type device for revolving and driving shown in the present embodiment, as shown in Figures 1 and 2, comprise pedestal 5, spacing worm gear 4, worm screw 3, top board 9, pedestal 5 is made up of seat ring 52 and axle housing 51 two-part, the shaft axis of the shaft axis of axle housing 51 and seat ring 52 is orthogonal on the spatial position, the inboard of seat ring 52 arranges projection 53, spacing worm gear 4 comprises gear ring 42 and installation shaft 41, output shaft 43, the 180o circular arc portion is provided with tooth on the excircle of gear ring 42, the radius of circular arc portion of tooth is not set less than the radius of the circular arc portion that tooth is set, the both sides of gear ring 42 are respectively arranged with installation shaft 41 and output shaft 43, top board 9 be connected with seat ring 52 and between be provided with O-ring seals, have the mounting hole that the output shaft 43 with spacing worm gear 4 adapts on the top board 9, spacing worm gear 4 is installed in the space of seat ring 52 and top board 9 formation by two bearings 28, between the output shaft 43 of top board 9 and spacing worm gear 4 lip-type packing 10 is set, worm screw 3 is installed in the axle housing 51 by two bearings 1, worm screw 3 meshes with the tooth of spacing worm gear 4, one side of axle housing 51 is equipped with end cap 1, and opposite side is connected with drive motor 7 by motor regulating block 6.
In above-described embodiment, the circular arc portion that is provided with tooth of the gear ring 42 of spacing worm gear 4 can also be 90o, 120o, 210o and other angles.
Present embodiment can also be smeared dubbing at the installation connection part of each component when assembling, water-proof performance reaches more than the IPX6.
Claims (5)
1. built-in limit-type device for revolving and driving, comprise pedestal (5), spacing worm gear (4), worm screw (3), top board (9), described pedestal (5) is made up of seat ring (52) and axle housing (51) two-part, the shaft axis of the shaft axis of axle housing (51) and seat ring (52) is orthogonal on the spatial position, it is characterized in that: described spacing worm gear (4) comprises gear ring (42) and installation shaft (41), output shaft (43), the upper outer circumference of described gear ring (42) divides circular arc to be provided with tooth, the radius of circular arc portion of tooth is not set less than the radius of the circular arc portion that tooth is set, the both sides of gear ring (42) are respectively arranged with installation shaft (41) and output shaft (43), the inboard of described seat ring (52) is provided with limit stoper, described top board (9) is connected with seat ring (52), have the mounting hole that the output shaft (43) with spacing worm gear (4) adapts on the top board (9), spacing worm gear (4) is installed in the space of seat ring (52) and top board (9) formation by two bearings two (8), worm screw 3 is installed in the axle housing (51) by two bearings one (2), and worm screw (3) meshes with the tooth of spacing worm gear (4).
2. the described built-in limit-type device for revolving and driving of claim 1, it is characterized in that: described limit stoper is the projection (53) that seat ring (52) forms to the inside.
3. the described built-in limit-type device for revolving and driving of claim 1 is characterized in that: described limit stoper is for being installed in an inboard limiting stopper of seat ring (52).
4. claim 1,2 or 3 described built-in limit-type device for revolving and driving is characterized in that: be provided with O-ring seals between top board (9) and the seat ring (52), be provided with O-ring seals between the output shaft (43) of top board (9) and spacing worm gear (4).
5. claim 1,2 or 3 described built-in limit-type device for revolving and driving, it is characterized in that: be provided with O-ring seals between top board (9) and the seat ring (52), be provided with lip-type packing (10) between the output shaft (43) of top board (9) and spacing worm gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147908 CN203146705U (en) | 2013-03-28 | 2013-03-28 | Built-in limiting type rotary driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147908 CN203146705U (en) | 2013-03-28 | 2013-03-28 | Built-in limiting type rotary driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146705U true CN203146705U (en) | 2013-08-21 |
Family
ID=48974231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320147908 Expired - Lifetime CN203146705U (en) | 2013-03-28 | 2013-03-28 | Built-in limiting type rotary driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161882A (en) * | 2013-03-28 | 2013-06-19 | 江阴凯迈机械有限公司 | Built-in limit-type swing drive device |
| CN110454549A (en) * | 2019-08-12 | 2019-11-15 | 山东华岳新能源有限公司 | The built-in limiting device of angle adjustable range for pivoting support and its application |
-
2013
- 2013-03-28 CN CN 201320147908 patent/CN203146705U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161882A (en) * | 2013-03-28 | 2013-06-19 | 江阴凯迈机械有限公司 | Built-in limit-type swing drive device |
| CN110454549A (en) * | 2019-08-12 | 2019-11-15 | 山东华岳新能源有限公司 | The built-in limiting device of angle adjustable range for pivoting support and its application |
| CN110454549B (en) * | 2019-08-12 | 2022-07-01 | 山东华岳新能源有限公司 | Built-in limiting device for adjustable angle range of slewing bearing and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |