CN2934752Y - Speed reducer capable of regulating gap between worm wheel and worm - Google Patents
Speed reducer capable of regulating gap between worm wheel and worm Download PDFInfo
- Publication number
- CN2934752Y CN2934752Y CN 200620113813 CN200620113813U CN2934752Y CN 2934752 Y CN2934752 Y CN 2934752Y CN 200620113813 CN200620113813 CN 200620113813 CN 200620113813 U CN200620113813 U CN 200620113813U CN 2934752 Y CN2934752 Y CN 2934752Y
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- worm
- shell
- worm screw
- worm gear
- screw
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- Expired - Fee Related
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Abstract
The utility model relates to a retarder with adjustable clearance between the wormgear and worm, comprising a casing and a worm gear pair. The casing is composed of a wormgear shell and a worm shell; the wormgear is arranged in the wormgear shell and the worm is arranged in the worm shell, and the wormgear shell mates the worm shell by sliding along the link direction of the enter-to-center distance between the worm and the wormgear, a regulating skew block is provided on the worm shell, a cover plate is arranged on the regulating skew block, the cover plate is connected to wormgear shell by screws, and a positioning device is arranged at the wormgear end. The engagement clearance of the wormgear and worm is adjustable; when the worm gear pair is rotating, the clearance between the worm and the wormgear is reduced to the largest extent and remains stable in both radial and axial directions of the worm. As a result, increase of clearance and the change of angle between the worm and wormgear can be avoided during shifting of direction. In addition, the utility model is simple in structure, easy to process and install.
Description
Technical field
The utility model relates to a kind of Worm and worm-wheel gearing, specifically is the retarder in adjustable worm gear, worm screw gap.
Technical background
At present, the common standard worm reducer is the monolithic case structure, be with worm gear, worm screw all with bearing or axle sleeve relative fixed on housing, the relative position of housing upper shaft hole has just determined the back lash and can not adjust so.Can satisfy increase moment, the transmission requirement that underspeeds requires still can satisfy for general deceleration force amplifier transmission.But, for frequently clubhauling, and ensure the work that the transmission of accurate angular velocity requires, then the back lash owing to worm and gear is difficult to satisfy in the moment stall that clubhauls.Because above-mentioned defective makes that the huge advantage of this kind transmission is covered, can not get performance.Therefore, need the retarder appearance in a kind of adjustable worm gear and worm screw gap badly.
Summary of the invention:
Its purpose of the utility model is: the retarder that a kind of adjustable worm gear, worm screw gap are provided, its worm couple in the running, no matter worm screw also keeps stable in the radial and axial minimum that can both be decelerated to of worm screw with respect to the gap of worm gear, increase the gap when having avoided swinging to, change the phenomenon of the angle between the worm and wheel, thereby satisfied specific transmission demand.
The utility model is achieved in that the retarder in a kind of adjustable worm gear, worm screw gap, comprise shell and worm couple, described shell is combined by worm gear shell and worm screw shell, in the worm gear shell worm gear is set, worm screw is installed in the worm screw shell, and worm screw shell and worm gear shell are slidingly matched along the line direction of worm screw center and worm gear centre distance, on the worm screw shell, be provided with the adjusting skewback, above regulating skewback cover plate is set, cover plate and worm gear shell are spirally connected, and are provided with axial direction positioning device in the worm screw termination.
Described worm screw shell is gone up stack down and is placed with regulating skewback, and the worm screw shell is an inclined-plane with regulating the skewback junction plane, adjusts the skewback width less than worm screw shell width; Described worm gear shell is " U " shape groove shape, adjust skewback and worm screw and all be located in the U-groove bevel of worm gear shell, and the U-groove bevel mouth has cover plate, cover plate locking adjustment skewback end face.
Described worm gear shell is to be the rectangular housing down, go up for the two side of the symmetry that is slidingly matched of worm screw shell, guide the face that is slidingly matched of inclination tangent plane and worm gear shell and worm screw shell of engagement standard pitch circle of worm and wheel into for overlapping or parallel with worm screw center intersection point on the worm and wheel centre distance line.
Described adjustment skewback length is identical with the worm screw shell, adjust the skewback width less than the worm screw shell and with worm screw shell surface of contact be the same tilt degree, adjust the U-groove bevel degree of depth that skewback thickness and the superimposed thickness afterwards of worm screw shell equal the worm screw shell.
Describedly on the worm gear shell U-groove bevel sidewall contour, Cock screw is set, adjusts skewback and regulate by Cock screw and lock by screw with adjusting skewback.
Described axially locating device is that the worm shaft end at the worm gear shell is provided with little end cap, and small end covers adjusting screw is set, and adjusting screw and worm shaft end contact jaw are provided with steel ball, and worm shaft end is by adjusting screw and locknut locking.
The utility model is that the monolithic case structure with worm type of reduction gearing is the split shell mechanism, wherein the worm screw shell becomes unsteady adjustable, set up the adjustment skewback, utilize the inclined-plane to slide and axially locating, reached worm gear, worm meshing adjustable gaps joint, its worm couple in the running, no matter worm screw also keeps stable in the radial and axial minimum that can both be decelerated to of worm screw with respect to the gap of worm gear, thereby, increase the gap when having avoided swinging to, change the phenomenon of the angle between the worm and wheel.Simultaneously, it is simple in structure, easy to process, can use the worm couple of standard worm type of reduction gearing to change a social system, and does not need to make specially worm couple.Help reducing cost.
Description of drawings
Fig. 1 is the utility model mounting structure schematic representation;
Fig. 2 is the utility model A-A cross-sectional view;
Fig. 3 is that Fig. 1 faces the shell schematic representation;
Fig. 4 is that schematic representation is looked on the right side of Fig. 3;
Fig. 5 is Fig. 3 schematic top plan view.
Embodiment
Embodiment 1
The retarder in a kind of adjustable worm gear, worm screw gap, comprise shell and worm couple, described shell is combined by worm gear shell 9 and worm screw shell 6, in the worm gear shell 9 worm gear is set, worm screw 7 is installed in the worm screw shell, and worm screw shell 6 is slidingly matched with the line direction of worm gear shell 9 along worm screw center and worm gear centre distance, on the worm screw shell, is provided with adjusting skewback 5, above regulating skewback 5 cover plate 12 is set, cover plate 12 is spirally connected with worm gear shell 1; And be provided with axial direction positioning device in worm screw 7 terminations.
Described worm screw shell 6 is gone up stack for 5 times and is placed with regulating skewback, and worm screw shell 6 is an inclined-plane with regulating skewback 5 junction planes, adjusts skewback 5 width less than worm screw shell 6 width; Described worm gear shell 9 is " U " shape groove shape, adjust skewback 5 and all be located in the U-groove bevel of worm gear shell 9 with worm screw 7, and the U-groove bevel mouth has cover plate 12, and cover plate 12 is provided with the limit stoper locking and adjusts skewback 5 end faces.
Described worm gear 9 is for being the rectangular housing down, go up for the two side of the symmetry that is slidingly matched of worm screw 6, the inclination tangent plane of guiding worm screw 7 and the engagement standard pitch circle of worm gear into worm screw 7 center intersection points on worm screw 7 and the worm gear centre distance line and the face that is slidingly matched of worm gear shell 9 and worm screw shell 6 are for overlapping or parallel.
Described adjustment skewback 5 length are close with worm screw shell 9, adjust skewback 5 width less than worm screw shell 9 and with worm screw shell surface of contact be the same tilt degree, adjust the U-groove bevel degree of depth that skewback 5 thickness and the superimposed thickness afterwards of worm screw shell equal the worm screw shell.
Describedly on the worm gear shell U-groove bevel sidewall contour, Cock screw 11 is set, adjusts that skewback 5 is regulated by Cock screw 11 and by screw 10 lockings with adjusting skewback 5.
Described axial direction positioning device is that the worm shaft end at worm gear shell 9 is provided with small end lid 3, on the small end lid 3 adjusting screw 1 is set, and adjusting screw 1 is provided with steel ball 4 with the worm shaft end contact jaw, and worm shaft end is by adjusting screw 1 and locknut 2 lockings.
Described worm screw is unsteady adjustable.All should add bearing 14 at the worm-wheel shaft two ends in actual the manufacturing and reduce friction ractor, add oil sealing in case of necessity, perfusion lubricant oil.
Said structure has overcome the master worm deceleration, in case the defective that the installation gap can't be adjusted has realized that adjustable gaps is whole, and is in operation and still can continues to adjust, and keeps normal working for a long time.
The retarder in adjustable worm gear of the present utility model, worm screw gap, its method for processing and assembling is all different with the worm reducer of standard, not only part processing must precision and highly polished, and must be after the assembling through break-in, adjustment finally reaches perfect condition repeatedly, also should prevent misoperation adjusting screw, nut sealing in case of necessity, destroyed the retarder gap, the influence operation.Simultaneously, because the special construction of this retarder does not generally use it in high quick-action commentaries on classics and super large moment transmission environment.
In the accurate angle drive mechanism that the utility model is specially adapted to frequently turn to, be particularly suitable for the transmission of little moment low speed.
The utility model has reached worm gear, worm meshing adjustable gaps joint, its worm couple in the running, no matter worm screw also keeps stable in the radial and axial minimum that can both reduce to of worm screw with respect to the gap of worm gear, thereby, increase the gap when having avoided swinging to, change the phenomenon of the angle between the worm and wheel.And it is simple in structure, easy to process, can use the worm couple of standard worm type of reduction gearing to change a social system, and does not need to make specially worm couple.Help reducing cost, its profile variation is little simultaneously, helps installing.
Claims (6)
1. the retarder in an adjustable worm gear, worm screw gap, comprise shell and worm gear, worm gear pair, it is characterized in that: described shell is combined by worm gear shell (9) and worm screw shell (6), the worm gear shell is provided with worm gear in (9), worm screw (7) is installed in the worm screw shell, and worm screw shell (6) is slidingly matched with the line direction of worm gear shell (9) along worm screw center and worm gear centre distance, on the worm screw shell, be provided with and regulate skewback (5), above regulating skewback (5) cover plate (12) is set, cover plate (12) is spirally connected with worm gear shell (1), and is provided with axial direction positioning device in worm screw (7) termination.
2. the retarder in adjustable worm gear as claimed in claim 1, worm screw gap, it is characterized in that: described worm screw shell (6) is gone up stack down with adjusting skewback (5) and is placed, and worm screw shell (6) is an inclined-plane with regulating skewback (5) junction plane, adjusts skewback (5) width less than worm screw shell (6) width; Described worm gear shell (9) is " U " shape groove shape, adjust skewback (5) and all be located in the U-groove bevel of worm gear shell (9) with worm screw (7), and the U-groove bevel mouth has cover plate (12), cover plate (12) locking adjustment skewback (5) end face.
3. the retarder in adjustable worm gear as claimed in claim 1 or 2, worm screw gap, it is characterized in that: described worm gear shell (9) is to be the rectangular housing down, go up for the two side of the symmetry that is slidingly matched of worm screw shell (6), the inclination tangent plane of guiding worm screw (7) and the engagement standard pitch circle of worm gear into worm screw (7) intersection point on worm screw (7) and the worm gear centre distance line and the face that is slidingly matched of worm gear shell (9) and worm screw shell (6) are for overlapping or parallel.
4. the retarder in adjustable worm gear as claimed in claim 1, worm screw gap, it is characterized in that: described adjustment skewback (5) length is identical with worm screw shell (9), adjust skewback (5) width less than worm screw shell (9) and with worm screw shell surface of contact be the same tilt degree, adjust the U-groove bevel degree of depth that skewback (5) thickness and the superimposed thickness afterwards of worm screw shell equal the worm screw shell.
5. the retarder in adjustable worm gear as claimed in claim 1, worm screw gap, it is characterized in that: describedly on the worm gear shell U-groove bevel sidewall contour, Cock screw (11) is set, adjusts that skewback (5) is regulated by Cock screw (11) and by screw (10) locking with adjusting skewback (5).
6. the retarder in adjustable according to claim 1 worm gear, worm screw gap, it is characterized in that: described axially locating device is that the worm shaft end at worm gear shell (9) is provided with little end cap (3), adjusting screw (1) is set on the little end cap (3), adjusting screw (1) is provided with steel ball (4) with the worm shaft end contact jaw, and worm shaft end is by adjusting screw (1) and locknut (2) locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620113813 CN2934752Y (en) | 2006-05-12 | 2006-05-12 | Speed reducer capable of regulating gap between worm wheel and worm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620113813 CN2934752Y (en) | 2006-05-12 | 2006-05-12 | Speed reducer capable of regulating gap between worm wheel and worm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934752Y true CN2934752Y (en) | 2007-08-15 |
Family
ID=38351441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620113813 Expired - Fee Related CN2934752Y (en) | 2006-05-12 | 2006-05-12 | Speed reducer capable of regulating gap between worm wheel and worm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2934752Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121518A (en) * | 2010-01-07 | 2011-07-13 | 上海汽车集团股份有限公司 | Center regulating mechanism and connecting structure between center regulating mechanism and worm gear |
| CN102606695A (en) * | 2012-03-19 | 2012-07-25 | 山东大学 | Ball type indexing mechanism of arc cam |
| CN105546043A (en) * | 2016-01-27 | 2016-05-04 | 中国科学院上海光学精密机械研究所 | Worm and gear displacement actuator |
| CN107882959A (en) * | 2017-11-03 | 2018-04-06 | 浙江松田汽车电机系统股份有限公司 | The lifter dynamo of autocar glass of anti-worm screw sidesway |
| CN108311920A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of adjustable rotary Hydraulic Clamping Mechanism |
-
2006
- 2006-05-12 CN CN 200620113813 patent/CN2934752Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121518A (en) * | 2010-01-07 | 2011-07-13 | 上海汽车集团股份有限公司 | Center regulating mechanism and connecting structure between center regulating mechanism and worm gear |
| CN102121518B (en) * | 2010-01-07 | 2013-11-20 | 上海汽车集团股份有限公司 | Center regulating mechanism and connecting structure between center regulating mechanism and worm gear |
| CN102606695A (en) * | 2012-03-19 | 2012-07-25 | 山东大学 | Ball type indexing mechanism of arc cam |
| CN105546043A (en) * | 2016-01-27 | 2016-05-04 | 中国科学院上海光学精密机械研究所 | Worm and gear displacement actuator |
| CN105546043B (en) * | 2016-01-27 | 2018-01-12 | 中国科学院上海光学精密机械研究所 | Worm and gear displacement actuator |
| CN108311920A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of adjustable rotary Hydraulic Clamping Mechanism |
| CN108311920B (en) * | 2017-01-16 | 2023-07-18 | 浙江师范大学 | Adjustable rotary hydraulic clamping mechanism |
| CN107882959A (en) * | 2017-11-03 | 2018-04-06 | 浙江松田汽车电机系统股份有限公司 | The lifter dynamo of autocar glass of anti-worm screw sidesway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070815 Termination date: 20140512 |