CN105864380A - Lead screw and omnidirectional mechanism for adjusting eccentricity of screw - Google Patents
Lead screw and omnidirectional mechanism for adjusting eccentricity of screw Download PDFInfo
- Publication number
- CN105864380A CN105864380A CN201610398156.9A CN201610398156A CN105864380A CN 105864380 A CN105864380 A CN 105864380A CN 201610398156 A CN201610398156 A CN 201610398156A CN 105864380 A CN105864380 A CN 105864380A
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- internal axle
- screw rod
- plate
- omnidirectional mechanism
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H2025/2445—Supports or other means for compensating misalignment or offset between screw and nut
Abstract
The invention discloses an omnidirectional mechanism for adjusting the eccentricity of a screw. The mechanism comprises an inner plate and an outer plate, wherein the inner plate is provided with a center through hole formed in the center of the inner plate, a pair of inner shaft sleeves is arranged on the outer side of the inner plate and parallel to the plane of the inner plate, a cavity for accommodating the inner plate is formed in the outer plate, the body of the outer plate is provided with a pair of outer shaft sleeves and a pair of inner shaft sleeve cavities, the center axis of the outer shaft sleeves intersects with the center axis of the inner shaft sleeve cavities in the same plane, the inner shaft sleeve is sleeved with the inner shaft sleeve cavity, and the inner shaft sleeve rotates freely in the inner shaft sleeve cavity; the inner plate is connected with the outer plate through the inner shaft sleeves, and the inner plate can rotate along the axis of the inner shaft sleeves; meanwhile, the outer plate is connected with other structures through the outer shaft sleeves, and the whole outer plate can rotate along the axis of the outer shaft sleeves to achieve omnidirectional adjustment.
Description
Technical field
The present invention relates to a kind of omnidirectional mechanism for adjusting screw rod eccentric throw.
Background technology
Screw mandrel is that gyration is converted into linear motion, or is the ideal of gyration by transform linear motion
Product, be used in various industry.But equipment is along screw mandrel motor process, mobile device acts on
When having load, the action effect of power is broken down into normal pressure and eccentric throw, and these power act on and are fixed on movement
On nut on equipment, it is uneven that eccentric throw makes nut and screw mandrel be stressed directly, and aggravation screw mandrel is mutual with nut
Between friction, the phenomenon that nut and screw mandrel block even occurs, affects the use of screw mandrel life-span and equipment.
Summary of the invention
An object of the present invention is to provide a kind of omnidirectional mechanism for adjusting screw rod eccentric throw, it is achieved universal
Function, effective adjusting screw rod eccentric throw, have that Stability Analysis of Structures is reliable, control accurately, transmission efficiency high
Advantage.
It is a further object to provide a kind of screw mandrel, nut is arranged on universal structure, by universal
Structure, makes the reasonability of screw rod and nut screw connection, reduces friction each other, substantially increases use
Life-span.
For reaching the first purpose above-mentioned, the technical solution used in the present invention is:
A kind of omnidirectional mechanism for adjusting screw rod eccentric throw, including inner panel, outside plate, inner panel is provided with and is formed at
Central through hole therein, is provided with a pair internal axle sleeve outside inner panel, internal axle sleeve is parallel with interior board plane；Outside plate sets
Having and be formed at the cavity wherein housing inner panel, outside plate body is provided with a pair outer shaft and a pair internal axle sleeve chamber,
Outer shaft central axis intersects vertically in the same plane with internal axle sleeve chamber central axis, and internal axle sleeve chamber is set in
On internal axle sleeve, internal axle sleeve is freely rotatable at internal axle sleeve intracavity.Inner panel is connected with outside plate by internal axle sleeve, inner panel
Can rotate along the axis of a pair internal axle sleeve, meanwhile, outside plate is connected with other structures by outer shaft, whole outside
Plate can rotate along the axis of a pair outer shaft, it is achieved universal adjustment.
As a kind of preferred version of omnidirectional mechanism of the present invention, described internal axle sleeve is arranged with ball
Bearing, is connected with internal axle sleeve chamber by ball bearing, reduces the friction of internal axle sleeve and internal axle sleeve chamber and rocks.
As a kind of preferred version of omnidirectional mechanism of the present invention, described outside plate is by two pieces of lateral connection
Plate and two blocks of longitudinally connected plates connect formation rectangular configuration, and cross connecting plate is formed at internal axle sleeve therein
Chamber, is provided with outer shaft outside longitudinally connected plate, outside plate is detachable, installs and unloading process is simple, just
In maintenance and maintenance.Inner panel is arranged in the rectangular configuration that outside plate is formed, and outside plate passes through longitudinally connected plate peripheral hardware
A pair outer shaft put, is connected with other external equipments, and whole outside plate can be along the axis side of a pair outer shaft
To rotation.
As a kind of preferred version of omnidirectional mechanism of the present invention, described longitudinally connected plate two ends are peace
Plug-in unit, cross connecting plate two ends are provided with the installing hole identical with pacifying insert shape, after assigning part to pass installing hole
Exposing a part and assign part, that exposes assigns the outer sheathed fixture of part, by assigning part to realize soon with installing hole
Speed is installed, it is not necessary to extra fixture and aid just can realize installing and dismounting.
As a kind of preferred version of omnidirectional mechanism of the present invention, described installing hole is irregularly-shaped hole, peace
Plug-in unit profile is the most adaptive, makes fixing tightr.Further, described part cross section of assigning can be three
Dihedral, rectangle, pentagon or other polygons, typically will assign part to be set to cross section for the ease of processing
For triangle or rectangle, prevent from assigning part to rotate in installing hole simultaneously.
As a kind of preferred version of omnidirectional mechanism of the present invention, described part of assigning is provided with at least one
Individual groove, fixture is provided with the projection corresponding with assigning part upper groove, and fixture projection is inserted and assigned on part
Groove in realize locking.
The present invention discloses a kind of screw mandrel containing omnidirectional mechanism, including screw rod, nut, omnidirectional mechanism,
Screw rod is through the central through hole of omnidirectional mechanism inner panel, and nut sleeve is located on screw rod and is fixed on inner panel central through hole
Both sides up and down, can be with the relative position of adjusting nut with screw rod by everything mechanism, and effective adjusting screw rod is inclined
The heart away from, have that Stability Analysis of Structures is reliable, control accurately, transmission efficiency advantages of higher.
Beneficial effect:
Omnidirectional mechanism Stability Analysis of Structures disclosed by the invention is reliable, it is accurate to control, transmission efficiency is high, and inner panel passes through
Internal axle sleeve is connected with outside plate, and inner panel can rotate along the axis of a pair internal axle sleeve, and meanwhile, outside plate passes through outer shaft
Being connected with other structures, whole outside plate can rotate along the axis of a pair outer shaft, it is achieved universal adjustment.Open
Containing this to the screw mandrel of everything structure, nut is arranged on universal structure, by universal structure, makes spiral shell
Bar and the reasonability of nut screw connection, reduce friction each other, substantially increase service life.
Accompanying drawing explanation
Fig. 1 is a kind of omnidirectional mechanism structural representation of the present invention.
Fig. 2 is omnidirectional mechanism top view shown in Fig. 1.
Fig. 3 is a kind of longitudinally connected plate structure for amplifying schematic diagram.
Fig. 4 is a kind of cross connecting plate structure for amplifying schematic diagram.
Fig. 5 is fixture structure for amplifying schematic diagram.
Fig. 6 is a kind of screw structure schematic diagram containing omnidirectional mechanism.
10, omnidirectional mechanism 1, inner panel 1.1, through hole 1.2, internal axle sleeve 1.3, ball bearing
2, outside plate 2.1, cross connecting plate 2.2, longitudinally connected plate 2.3, internal axle sleeve chamber 2.4, outer shaft
Overlap 2.5, assign part 2.51, groove 2.6, installing hole 2.7, fixture 2.71, projection
20, screw rod 30, nut
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-5, a kind of omnidirectional mechanism 10 for adjusting screw rod eccentric throw, including inner panel 1, outward
Plate 2, inner panel is provided with central through hole 1.1 formed therein, is provided with a pair internal axle sleeve 1.2 outside inner panel, interior
Axle sleeve is parallel with interior board plane, is arranged with ball bearing 1.3 on internal axle sleeve 1.2, by ball bearing 1.3
It is connected with internal axle sleeve chamber 2.3, reduces the friction of internal axle sleeve and internal axle sleeve chamber and rock.
Outside plate 2 is connected by the longitudinally connected plate 2.2 of two pieces of cross connecting plates 2.1 and two blocks and forms rectangular configuration,
It is formed at internal axle sleeve chamber therein on cross connecting plate 2.1, outside longitudinally connected plate 2.2, is provided with outer shaft.
Longitudinally connected plate 2.2 two ends are for assigning part 2.5, and cross connecting plate 2.1 two ends are provided with to pacify insert shape identical
Installing hole 2.6, assign part 2.5 to assign part through exposing a part after installing hole 2.6, that exposes assigns part
Outer sheathed fixture 2.7, by assigning part 2.5 and installing hole 2.6 to realize Fast Installation, it is not necessary to extra
Fixture and aid just can realize installing and dismounting.
Installing hole 2.6 is irregularly-shaped hole, assigns part profile the most adaptive, makes fixing tightr.Further,
Described part 2.5 cross section of assigning can be triangle, rectangle, pentagon or other polygons, in order to just
Typically part will be assigned to be set to cross section in processing to be triangle or rectangle, prevent from assigning part at installing hole simultaneously
Interior rotation.Assigning part 2.5 cross section in the present embodiment is rectangle.
Being provided with at least one groove 2.51 on part 2.5 assigning, fixture 2.7 is provided with and assigns part fovea superior
The projection 2.71 that groove is corresponding, the protruding insertion on fixture assigns interior realization of the groove on part to lock.
The present invention discloses a kind of screw mandrel containing omnidirectional mechanism, as shown in Figure 6, including screw rod 20,
Nut 30, omnidirectional mechanism 10, screw rod 20 is through the central through hole 1.1 of omnidirectional mechanism inner panel, and nut 30 overlaps
It is located on screw rod 20 and is fixed on inner panel central through hole about 1.1 both sides, spiral shell can be regulated by everything mechanism
Female 30 with the relative position of screw rod 20, effective adjusting screw rod eccentric throw, have that Stability Analysis of Structures is reliable, control
System is accurate, transmission efficiency advantages of higher.
Although in description being illustrated embodiments of the present invention, but these embodiments are intended only as
Prompting, should not limit protection scope of the present invention.Carry out various province without departing from the spirit and scope of the present invention
Slightly, replace and change should be included in protection scope of the present invention.
Claims (7)
1. the omnidirectional mechanism for adjusting screw rod eccentric throw, it is characterised in that: include inner panel, outside plate, inner panel
It is provided with central through hole formed therein, outside inner panel, is provided with a pair internal axle sleeve, internal axle sleeve and interior board plane
Parallel；Outside plate is provided with and is formed at the cavity wherein housing inner panel, outside plate body be provided with a pair outer shaft and
A pair internal axle sleeve chamber, outer shaft central axis and the internal axle sleeve chamber the most vertical phase of central axis
Handing over, internal axle sleeve chamber is set on internal axle sleeve, and internal axle sleeve is freely rotatable at internal axle sleeve intracavity.
Omnidirectional mechanism for adjusting screw rod eccentric throw the most according to claim 1, it is characterised in that: described
Internal axle sleeve on be arranged with ball bearing, be connected with internal axle sleeve chamber by ball bearing.
Omnidirectional mechanism for adjusting screw rod eccentric throw the most according to claim 1, it is characterised in that: described
Outside plate connected by two pieces of cross connecting plates and two blocks of longitudinally connected plates and form rectangular configuration, cross connecting plate
On be formed at internal axle sleeve chamber therein, be provided with outer shaft outside longitudinally connected plate.
Omnidirectional mechanism for adjusting screw rod eccentric throw the most according to claim 1, it is characterised in that: described
Longitudinally connected plate two ends for assigning part, cross connecting plate two ends are provided with the installation identical with pacifying insert shape
Hole, assigns part to pass by exposing a part after jack and assigns part, and that exposes assigns the outer sheathed fixture of part.
Omnidirectional mechanism for adjusting screw rod eccentric throw the most according to claim 4, it is characterised in that: described
Installing hole be irregularly-shaped hole, assign part profile the most adaptive.
Omnidirectional mechanism for adjusting screw rod eccentric throw the most according to claim 4, it is characterised in that: described
Part of assigning be provided with at least one groove, fixture is provided with the projection corresponding with assigning part upper groove,
Fixture projection realizes locking in inserting the groove assigned on part.
7. comprise a screw mandrel for claim 1-6 any one omnidirectional mechanism, including screw rod, nut, omnidirectional mechanism,
Screw rod is through the central through hole of omnidirectional mechanism inner panel, and nut sleeve is located on screw rod and is fixed on inner panel center and leads to
Upper and lower both sides, hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398156.9A CN105864380A (en) | 2016-06-07 | 2016-06-07 | Lead screw and omnidirectional mechanism for adjusting eccentricity of screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398156.9A CN105864380A (en) | 2016-06-07 | 2016-06-07 | Lead screw and omnidirectional mechanism for adjusting eccentricity of screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105864380A true CN105864380A (en) | 2016-08-17 |
Family
ID=56677308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610398156.9A Pending CN105864380A (en) | 2016-06-07 | 2016-06-07 | Lead screw and omnidirectional mechanism for adjusting eccentricity of screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864380A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464283A (en) * | 1967-03-13 | 1969-09-02 | Bunker Ramo | Gimballing means for a movable carriage |
| US3756092A (en) * | 1970-12-03 | 1973-09-04 | R Gartner | Screw drive |
| US4131029A (en) * | 1977-06-10 | 1978-12-26 | Eocom Corporation | Gimballed coupling for lead screw and nut assembly |
| GB2045124A (en) * | 1979-03-20 | 1980-10-29 | Crosfield Electronics Ltd | Longitudinal drive mechanisms |
| CA2233999A1 (en) * | 1995-11-03 | 1997-05-09 | Thomas E. Pryor | Gimballed drive block for vehicle seat adjuster |
| US20040089084A1 (en) * | 2002-11-12 | 2004-05-13 | Tesco Engineering, Inc. | Device for connecting together a roller screw and roller nut assembly to a stationary and moving member |
| US20140147061A1 (en) * | 2010-09-21 | 2014-05-29 | Gebr. Bode Gmbh & Co. Kg | Sliding door drive |
| CN205956334U (en) * | 2016-06-07 | 2017-02-15 | 浙江杭能新能源车业有限公司 | Lead screw and be used for universal mechanism of eccentric distance of adjusting screw |
-
2016
- 2016-06-07 CN CN201610398156.9A patent/CN105864380A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464283A (en) * | 1967-03-13 | 1969-09-02 | Bunker Ramo | Gimballing means for a movable carriage |
| US3756092A (en) * | 1970-12-03 | 1973-09-04 | R Gartner | Screw drive |
| US4131029A (en) * | 1977-06-10 | 1978-12-26 | Eocom Corporation | Gimballed coupling for lead screw and nut assembly |
| GB2045124A (en) * | 1979-03-20 | 1980-10-29 | Crosfield Electronics Ltd | Longitudinal drive mechanisms |
| CA2233999A1 (en) * | 1995-11-03 | 1997-05-09 | Thomas E. Pryor | Gimballed drive block for vehicle seat adjuster |
| EP0858403A1 (en) * | 1995-11-03 | 1998-08-19 | Lear Corporation | Gimballed drive block for vehicle seat adjuster |
| US20040089084A1 (en) * | 2002-11-12 | 2004-05-13 | Tesco Engineering, Inc. | Device for connecting together a roller screw and roller nut assembly to a stationary and moving member |
| US20140147061A1 (en) * | 2010-09-21 | 2014-05-29 | Gebr. Bode Gmbh & Co. Kg | Sliding door drive |
| CN205956334U (en) * | 2016-06-07 | 2017-02-15 | 浙江杭能新能源车业有限公司 | Lead screw and be used for universal mechanism of eccentric distance of adjusting screw |
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