CN209511046U - Ball-screw - Google Patents
Ball-screw Download PDFInfo
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- CN209511046U CN209511046U CN201920088821.3U CN201920088821U CN209511046U CN 209511046 U CN209511046 U CN 209511046U CN 201920088821 U CN201920088821 U CN 201920088821U CN 209511046 U CN209511046 U CN 209511046U
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- rolling element
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Abstract
The utility model proposes a kind of ball-screws comprising: screw rod, the periphery of screw rod are provided with the first groove extended along hand of helix；Axle sleeve, axle sleeve are sheathed on screw rod, and the inner surface of axle sleeve is provided with a plurality of second groove, and every second groove is formed as the ring-type being closed in the circumferential direction of axle sleeve, and first groove and second groove are intersected；And multiple rolling elements, multiple rolling elements are embedded in the crossover location of first groove and second groove, when screw rod and axle sleeve relatively rotate, rolling element can be in the crossover location rotation and/or rolling of first groove and second groove.The rolling element in ball-screw by adopting the above technical scheme can first groove and second groove crossover location rotation and/or rolling and as axle sleeve is mobile axially with respect to screw rod in screw rod, therefore the processing reflux road on axle sleeve is not needed, manufacturing cost not only can be made to decline, and solve the problems, such as to roll running body bite.
Description
Technical field
The utility model belongs to technical field of mechanical transmission, and in particular to a kind of ball-screw.
Background technique
Roller screw is a kind of mechanical driving device for converting rotary motion to linear motion, has the small, effect that rubs
The features such as rate is high, the service life is long, small in size, bearing capacity is strong, be widely used in precision instrument, numerically-controlled machine tool, weaponry,
The fields such as industrial robot, medical instrument and aerospace.
A kind of ball-screw of the prior art includes screw rod, axle sleeve and ball, and axle sleeve is sheathed on screw rod, on screw rod and axle sleeve
Offer helicla flute.Ball is put between screw rod and axle sleeve, ball not only with rotation but also can make screw rod and axis with circulating rolling
Friction between set is rolling friction, thus considerably reduces frictional resistance, improves transmission efficiency.The structure is needed in axis
Reverser is installed in set processing reflux road on axle sleeve, is recycled between axle sleeve and screw rod so that ball is returned by reflux road.It is existing
Have the ball-screw of technology in the process of running ball through reflux road when direction of motion suddenly change, will cause ball-screw
Bite is run, irregularity generates vibration and noise.And return way structure is complicated, and requirement on machining accuracy is high, and difficulty of processing is big,
Processing cost is high, and reflux road also causes the radial dimension of axle sleeve larger, and ball-screw is made not to be suitable for narrow space.
Utility model content
Based on above-mentioned problem of the prior art, the utility model is directed to a kind of ball-screw, solves the prior art
The problem of ball screw arrangement is complicated, processing cost is high and operation bite.
The disclosure proposes that a kind of ball-screw, the ball-screw include:
Screw rod, the periphery of the screw rod are provided with the first groove extended along hand of helix；
Axle sleeve, the axle sleeve are sheathed on the screw rod, and the inner surface of the axle sleeve is provided with a plurality of second groove, every institute
It states second groove and is formed as the ring-type being closed in the circumferential direction of the axle sleeve, the first groove and the second groove are intersected；
And
Multiple rolling elements, the multiple rolling element are embedded in the crossover location of the first groove and the second groove,
When the screw rod and the axle sleeve relatively rotate, the rolling element can be in the friendship of the first groove and the second groove
Vent sets rotation and/or rolling, the rolling element moving axially with respect to the screw rod in the screw rod with the axle sleeve
It is dynamic.
Preferably, the ball-screw further includes retainer, the ball-screw radially, retainer setting
Between the screw rod and the axle sleeve, the retainer is provided with the locating slot for accommodating the rolling element.
Preferably, every second groove is both formed in the axially vertical plane with the axle sleeve.
Preferably, a plurality of second groove is set in parallel to each other.
Preferably, have between any two adjacent second grooves in a plurality of second groove identical or different
Distance.
Preferably, the screw pitch of the first groove is more than or less than the distance between adjacent two described second grooves, institute
It states first groove and is provided with one or more.
Preferably, at least four rolling element is embedded in the crossover location of the first groove and the second groove.
Preferably, the first groove is provided with a plurality of, a plurality of first groove lead having the same so that
Be parallel to each other between a plurality of first groove, a plurality of first groove in the circumferential direction of the screw rod uniformly or non-uniformly
It is spaced apart.
Preferably, the rolling element is embedded in all or part of first groove；And/or
The rolling element is embedded in all or part of second groove.
Preferably, the distance between adjacent two described second grooves are equal with the screw pitch of the first groove or are institute
The integral multiple of the screw pitch of first groove is stated, the first groove is at least arranged three, and the second groove is at least arranged two.
Preferably, the multiple rolling element and the first groove are tangent, the multiple rolling element and the second groove
Tangent, the multiple rolling element is that shape is identical or variform revolving body.
Preferably, the multiple rolling element is sphere.
Preferably, it is not provided in the axle sleeve for the reflux road for rolling body circulation.
The rolling element in ball-screw by adopting the above technical scheme can be in the intersection position of first groove and second groove
Rotation and/or rolling and the moving axially with respect to screw rod in screw rod with axle sleeve are set, therefore does not need to process on axle sleeve
Flow back road, not only can making axle sleeve, the processing is simple, manufacturing cost decline, and can solve rolling element by reflux road when
The problem of being prone to wear keeps ball-screw operation smooth.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of the ball-screw of first embodiment according to the present utility model.
Fig. 2 shows the cross-sectional views of the ball-screw of first embodiment according to the present utility model.
Fig. 3 shows the configuration schematic diagram of the ball-screw of first embodiment according to the present utility model.
Fig. 4 shows the cross-sectional view of the axle sleeve of the ball-screw of first embodiment according to the present utility model.
Fig. 5 shows the structural representation of the partly cut-away of the ball-screw of second embodiment according to the present utility model
Figure.
Fig. 6 shows the structural representation of the partly cut-away of the ball-screw of third embodiment according to the present utility model
Figure.
Fig. 7 shows the structural representation of the partly cut-away of the ball-screw of the 4th embodiment according to the present utility model
Figure.
Fig. 8 shows the half-sectional structural representation of the axle sleeve of the ball-screw of the 4th embodiment according to the present utility model
Figure.
The structural schematic diagram that Fig. 9 shows the ball-screw of the 5th embodiment according to the present utility model (shows rolling
Kinetoplast).
The partial sectional view that Figure 10 shows the ball-screw of the 5th embodiment according to the present utility model (is shown
Rolling element).
Figure 11 shows the cross-sectional view of the ball-screw of the 5th embodiment according to the present utility model.
Figure 12 shows the structural representation of the partly cut-away of the ball-screw of sixth embodiment according to the present utility model
Scheme (showing rolling element).
Figure 13 shows the broken section of the ball-screw of sixth embodiment according to the present utility model.
Figure 14 shows the partial sectional view of the ball-screw of another embodiment according to the present utility model.
Figure 15 shows the structural schematic diagram of the rolling element of the ball-screw of another embodiment according to the present utility model.
Figure 16 shows the partial sectional view of the ball-screw of a further embodiment according to the present utility model.
Figure 17 shows the structural schematic diagrams of the rolling element of the ball-screw of a further embodiment according to the present utility model.
Figure 18 shows the structural schematic diagram of the retainer of the ball-screw of a further embodiment according to the present utility model.
Description of symbols
1 screw rod, 11 first groove
2 axle sleeve, 21 second groove
3 rolling elements
4 retainer, 41 locating slot
A axial direction R radial direction C is circumferential.
Specific embodiment
The illustrative embodiments of the utility model are described with reference to the accompanying drawings.It should be appreciated that these specific descriptions are only
How to implement the utility model, rather than all feasible sides of exhaustive the utility model for teaching those skilled in the art
Formula, without in limitation the scope of the utility model.
First embodiment
As shown in Figures 1 to 4, the utility model provides a kind of ball-screw comprising screw rod 1, axle sleeve 2,3 and of rolling element
Retainer 4.
Screw rod 1 is generally cylindric, the periphery of screw rod 1 be provided with along hand of helix extend first groove 11, first
Groove 11 can be set a plurality of, such as first groove 11 can be 4 (i.e. screw rod 1 is bull screw rod), 4 first grooves 11
It can have identical lead and be uniformly spaced apart on the circumferential C of screw rod 1.The edge of first groove 11 is perpendicular to the first ditch
The section of the plane of the extending direction of slot 11 can be arc.
Axle sleeve 2 is whole can be sheathed on screw rod 1 for cylindrical shape, axle sleeve 2, and the inner surface of axle sleeve 2 is provided with circumferentially C extension
A plurality of second groove 21, second groove 21 be formed as closure ring-type.The quantity of second groove 21 is 7 in the present embodiment
Item.The edge of second groove 21 can be arc perpendicular to the section of the plane of the extending direction of second groove 21.Second groove 21
The plane at place can be vertical with the axial A of axle sleeve 2.A plurality of second groove 21 is set in parallel to each other, and adjacent
It can have identical distance between two second grooves 21.The distance between adjacent two second grooves 21 are equal to first groove
11 screw pitch.First groove 11 and second groove 21 are intersected, in this embodiment, every first ditch of second groove 21 and 4
Slot 11 forms crossover location at 4.It is to be appreciated that the distance between adjacent two second grooves 21 refer to adjacent two second grooves
The distance between 21 same position, such as the distance between the center line of adjacent two second grooves 21.For multiple thread
For, screw pitch is two adjacent the distance between first grooves 11, and screw pitch is equal to lead divided by the head number of screw thread.
Rolling element 3 is embedded in the crossover location of first groove 11 and second groove 21, and rolling element 3 can be set multiple.
Rolling element 3 can be sphere, and rolling element 3 and first groove 11 and second groove 21 are tangent.Rolling element 3 can be in first groove
11 and second groove 21 in rotation, especially when screw rod 1 and axle sleeve 2 relatively rotate, rolling element 3 can be in 11 He of first groove
The crossover location rotation and/or rolling of second groove 21, rolling element 3 are moved along first groove 11, but again without departing from it
The second groove 21 at place, sees on the whole, and axial A of the rolling element 3 with axle sleeve 2 along screw rod 1 is moved.Rolling element 3 reduces screw rod 1
Friction between axle sleeve 2.
In the present embodiment, multiple rolling elements 3, such as 4,4 rolling elements 3 are provided in every second groove 21
It is uniformly spaced apart on the circumferential C of axle sleeve 2.It is appreciated that not contacted between multiple rolling elements 3, it is possible to reduce rolling element 3 it
Between rub the resistance and noise of generation, to keep ball-screw operation smooth, noise is small.
Retainer 4 is generally cylindric, and retainer 4 is sheathed on screw rod 1, and on radial R, retainer 4 is located at screw rod 1 and axis
Between set 2.Retainer 4 is provided with multiple locating slots 41 for accommodating rolling element 3, and locating slot 41 can be round hole.
It is appreciated that the second groove 21 of axle sleeve 2 is closed for the inner peripheral surface in axle sleeve 2 due in the present embodiment
Annular.When the rotation of screw rod 1 makes axle sleeve 2 axially A is mobile relative to screw rod 1, although rolling element 3 can be along the of screw rod 1
One groove 11 is mobile, but rolling element 3 is without departing from the second groove 21 where it, thus, rolling element 3 is on the whole with axle sleeve 2
Axial A along screw rod 1 is moved.Rolling element 3 need not cause the direction of motion to change by reflux road, therefore the rolling of the utility model
Ballscrew can be run under faster speed, without generating biggish vibration and noise.In the ball wire of present embodiment
In thick stick, it is not necessary to process reflux road in axle sleeve 2 or reverser is installed on axle sleeve 2.This reduce the size of axle sleeve 2 and simplify
The structure of axle sleeve 2 allows the radial dimension of ball-screw to become smaller, and production cost can reduce.
In the present embodiment, the plane where an annular second groove 21 is vertical with axial direction A, however, this is practical
It is novel without being limited thereto, as long as second groove 21 forms closed annular in the inner peripheral surface of axle sleeve 2.
Second embodiment
The overall structure of the ball-screw of second embodiment according to the present utility model and the ball of first embodiment
Lead screw is identical.In the present embodiment, identical appended drawing reference is marked for component same as the first embodiment, and omitted
Detailed description thereof.
As shown in figure 5, the periphery of screw rod 1 is provided with the first groove 11 extended along hand of helix, first groove 11 can
To be provided with one.
Axle sleeve 2 is sheathed on screw rod 1, and the inner surface of axle sleeve 2 is provided with a plurality of second groove 21 that circumferentially C extends.At this
In embodiment, every second groove 21 and first groove 11 form crossover location at 1.Rolling element 3 is embedded in first groove 11
With the crossover location of second groove 21.It is appreciated that due to only having a first groove 11, in every second groove 21 extremely
It is provided with 1 rolling element 3 more.It is appreciated that rolling element 3 can be embedded in the second groove 21 of part, without every
Second groove 21 is embedded in rolling element 3.
It is appreciated that rolling element 3 can be in first groove 11 and second groove 21 when screw rod 1 and axle sleeve 2 relatively rotate
Crossover location rotation and/or rolling, axial A of the rolling element 3 on the whole with axle sleeve 2 along screw rod 1 is moved, to reduce screw rod
Friction between 1 and axle sleeve 2.
The screw pitch of first groove 11 can be more than or less than the distance between adjacent two second grooves 21, both first groove
11 screw pitch is not equal to the distance between adjacent two second grooves 21.As shown in figure 5, in this embodiment, first groove
11 screw pitch is greater than the distance between adjacent two second grooves 21.
If being appreciated that the screw pitch of first groove 11 is equal to the distance between adjacent two second grooves 21, the
One groove 11 can not be spaced apart with the crossover location of second groove 21 on circumferential C.In order to make axle sleeve 2 keep stablizing, preferably set
Set at least four rolling element 3.
Third embodiment
The overall structure of the ball-screw of third embodiment according to the present utility model and the ball of second embodiment
Lead screw is identical.In the present embodiment, identical appended drawing reference is marked for component identical with second embodiment, and omitted
Detailed description thereof.
As shown in fig. 6, the periphery of screw rod 1 is provided with the first groove 11 extended along hand of helix, first groove 11 can
A plurality of to be provided with, in this embodiment, first groove 11 can be two (i.e. screw rod 1 is double end screw mandrel).
Axle sleeve 2 is sheathed on screw rod 1, and the inner surface of axle sleeve 2 is provided with a plurality of second groove 21 that circumferentially C extends.It is adjacent
The distance between two second grooves 21 are more than or less than the screw pitch of first groove 11, in this embodiment, adjacent two articles the
The distance between two grooves 21 are less than the screw pitch of first groove 11.Every second groove 21 is formed at two with first groove 11 intersects
Position.Rolling element 3 is embedded in the crossover location of first groove 11 and second groove 21.Rolling element 3 can only embedded part friendship
Vent is set, such as rolling element 3 is embedded in the crossover location of 1 first groove 11 and second groove 21, i.e. in 2 first grooves 11
1 first groove 11 be inlaid with rolling element 3.In order to make axle sleeve 2 keep stablizing, 4 rolling elements 3 are preferably at least set.
It is appreciated that rolling element 3 can be in first groove 11 and second groove 21 when screw rod 1 and axle sleeve 2 relatively rotate
Crossover location rotation and/or rolling, axial A of the rolling element 3 on the whole with axle sleeve 2 along screw rod 1 is moved, to reduce screw rod
Friction between 1 and axle sleeve 2.
4th embodiment
The overall structure of the ball-screw of 4th embodiment according to the present utility model and the ball of third embodiment
Lead screw is identical.In the present embodiment, identical appended drawing reference is marked for component same as the third embodiment, and omitted
Detailed description thereof.
As shown in Figure 7 and Figure 8, the periphery of screw rod 1 is provided with the first groove 11 extended along hand of helix, first groove
11 be provided with it is a plurality of, in this embodiment, first groove 11 can be 4.4 first grooves 11 can have identical lead
Journey and on the circumferential C of screw rod 1 it is non-uniform be spaced apart, make adjacent the distance between two first grooves 11 can not phase
Deng.
Axle sleeve 2 is sheathed on screw rod 1, and the inner surface of axle sleeve 2 is provided with a plurality of second groove 21 that circumferentially C extends.It is a plurality of
Second groove 21 is set in parallel to each other, and can have different distances between any two adjacent second grooves 21.
That is, certain second groove 21 is at a distance from another adjacent second groove 21 of its axial side and this certain second
Groove 21 can be different at a distance from the another adjacent second groove 21 of its axial other side.In this embodiment, portion
The distance between adjacent two second grooves 21 being divided to can be greater than the screw pitch of first groove 11, adjacent two the second ditches of part
The distance between slot 21 can be equal to the screw pitch of first groove 11.Every second groove 21 is formed at 4 with first groove 11 intersects
Position.Rolling element 3 is embedded in the crossover location of first groove 11 and second groove 21.Rolling element 3 can be embedded in first groove 11
With all or part of crossover location of second groove 21.
It is appreciated that rolling element 3 can be in first groove 11 and second groove 21 when screw rod 1 and axle sleeve 2 relatively rotate
Crossover location rotation and/or rolling, axial A of the rolling element 3 on the whole with axle sleeve 2 along screw rod 1 is moved, to reduce screw rod
Friction between 1 and axle sleeve 2.
5th embodiment
The overall structure of the ball-screw of 5th embodiment according to the present utility model and the ball of the 4th embodiment
Lead screw is identical.In the present embodiment, identical appended drawing reference is marked for component identical with the 4th embodiment, and omitted
Detailed description thereof.
As shown in Figures 9 to 11, the periphery of screw rod 1 is provided with the first groove 11 extended along hand of helix, the first ditch
Slot 11 can be set a plurality of.
Axle sleeve 2 is sheathed on screw rod 1, and the inner surface of axle sleeve 2 is provided with a plurality of second groove 21 that circumferentially C extends.It is adjacent
The distance between two second grooves 21 can screw pitch equal with the screw pitch of first groove 11 or for first groove 11 it is whole
Several times.It is appreciated that screw pitch is two adjacent the distance between first grooves 11, and screw pitch is equal to for multiple thread
Lead divided by screw thread head number.
It is appreciated that every second groove 21 is formed at three with first groove 11 intersects position in order to make axle sleeve 2 keep stablizing
It sets, i.e., first groove 11 is at least provided with three.Rolling element 3 is embedded in the crossover location of first groove 11 and second groove 21.
For the purposes of making axle sleeve 2 keep stablizing, second groove 21 is at least provided with two, it is preferable that two second grooves 21 are in axle sleeve 2
Axial A on be spaced apart, such as two second grooves 21 are located at the axial both ends A of axle sleeve 2.
It is appreciated that rolling element 3 can be in first groove 11 and second groove 21 when screw rod 1 and axle sleeve 2 relatively rotate
Crossover location rotation and/or rolling, axial A of the rolling element 3 on the whole with axle sleeve 2 along screw rod 1 is moved, to reduce screw rod
Friction between 1 and axle sleeve 2.
Sixth embodiment
The overall structure of the ball-screw of sixth embodiment according to the present utility model and the ball of second embodiment
Lead screw is identical.In the present embodiment, identical appended drawing reference is marked for component identical with second embodiment, and omitted
Detailed description thereof.
As shown in Figure 12 and Figure 13, the periphery of screw rod 1 be provided with along hand of helix extend first groove 11, first
Groove 11 can be set one.
Axle sleeve 2 is sheathed on screw rod 1, and the inner surface of axle sleeve 2 is provided with a plurality of second groove 21 that circumferentially C extends.At this
In embodiment, every second groove 21 and first groove 11 form crossover location at 1.Rolling element 3 is embedded in first groove 11
With the crossover location of second groove 21.It is appreciated that due to only having a first groove 11, in every second groove 21 extremely
It is provided with 1 rolling element 3 more.It is appreciated that rolling element 3 can be embedded in the second groove 21 of part, without every
Second groove 21 is embedded in rolling element 3.
It is appreciated that rolling element 3 can be in first groove 11 and second groove 21 when screw rod 1 and axle sleeve 2 relatively rotate
Crossover location rotation and/or rolling, axial A of the rolling element 3 on the whole with axle sleeve 2 along screw rod 1 is moved, to reduce screw rod
Friction between 1 and axle sleeve 2.
The screw pitch of first groove 11 can be more than or less than the distance between adjacent two second grooves 21.Such as Figure 13 institute
Show, in this embodiment, the screw pitch of first groove 11 is less than the distance between adjacent two second grooves 21.
If being appreciated that the screw pitch of first groove 11 is equal to the distance between adjacent two second grooves 21, the
One groove 11 can not be spaced apart with the crossover location of second groove 21 on circumferential C.In order to make axle sleeve 2 keep stablizing, preferably set
Set at least four rolling element 3, such as 5 rolling elements 3 of setting.
Although the specific technical solution of the utility model is set forth in the above specific embodiment,
Be it should be noted that:
(1) as shown in Figure 14 to Figure 17, rolling element 3 according to the present utility model can be not only sphere, can also be it
The revolving body of his shape, such as coniform or circle drum type.Rolling element of different shapes, which can mix, is packed into first groove and second
The crossover location of groove.
(2) the putting down along extending direction vertical to itself of first groove 11 and second groove 21 according to the present utility model
The section in face not only can be arc, be also possible to triangle or other shapes.
(3) as shown in figure 18, the locating slot 41 of retainer 4 according to the present utility model not only can be circle, can be with
It is strip hole, the strip hole especially extended along the axial A of retainer 4.
Claims (13)
1. a kind of ball-screw, which is characterized in that the ball-screw includes:
Screw rod, the periphery of the screw rod are provided with the first groove extended along hand of helix；
Axle sleeve, the axle sleeve are sheathed on the screw rod, and the inner surface of the axle sleeve is provided with a plurality of second groove, and every described
Two grooves are formed as the ring-type being closed in the circumferential direction of the axle sleeve, and the first groove and the second groove are intersected；And
Multiple rolling elements, the multiple rolling element are embedded in the crossover location of the first groove and the second groove, in institute
When stating screw rod and axle sleeve relative rotation, the rolling element can be in the intersection position of the first groove and the second groove
Rotation and/or rolling are set, the rolling element is as the axle sleeve is in the mobile axially with respect to the screw rod of the screw rod.
2. ball-screw according to claim 1, which is characterized in that the ball-screw further includes retainer, described
Radially, the retainer is set between the screw rod and the axle sleeve ball-screw, and the retainer, which is provided with, to be used for
Accommodate the locating slot of the rolling element.
3. ball-screw according to claim 1, which is characterized in that every second groove is both formed in and the axis
In the axially vertical plane of set.
4. ball-screw according to claim 1, which is characterized in that a plurality of second groove is set in parallel to each other.
5. ball-screw according to claim 1, which is characterized in that in a plurality of second groove any two it is adjacent
There is identical or different distance between the second groove.
6. ball-screw according to claim 1, which is characterized in that the screw pitch of the first groove is more than or less than adjacent
The distance between two described second grooves, the first groove are provided with one or more.
7. ball-screw according to claim 6, which is characterized in that at least four rolling element is embedded in the first groove
With the crossover location of the second groove.
8. ball-screw according to claim 1, which is characterized in that the first groove be provided with it is a plurality of, it is a plurality of described
So that being parallel to each other between a plurality of first groove, a plurality of first groove exists first groove lead having the same
It is uniformly or non-uniformly spaced apart in the circumferential direction of the screw rod.
9. ball-screw according to claim 1, which is characterized in that be embedded in institute in all or part of first groove
State rolling element；And/or
The rolling element is embedded in all or part of second groove.
10. ball-screw according to claim 1, which is characterized in that the distance between adjacent two described second grooves
The integral multiple of screw pitch equal with the screw pitch of the first groove or for the first groove, the first groove are at least arranged
Three, the second groove is at least arranged two.
11. ball-screw according to claim 1, which is characterized in that the multiple rolling element and the first groove phase
It cuts, the multiple rolling element and the second groove are tangent, and the multiple rolling element is that shape is identical or variform revolution
Body.
12. ball-screw according to claim 1, which is characterized in that the multiple rolling element is sphere.
13. ball-screw according to claim 1, which is characterized in that be not provided with following for the rolling element in the axle sleeve
The reflux road of ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920088821.3U CN209511046U (en) | 2019-01-17 | 2019-01-17 | Ball-screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920088821.3U CN209511046U (en) | 2019-01-17 | 2019-01-17 | Ball-screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209511046U true CN209511046U (en) | 2019-10-18 |
Family
ID=68201414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920088821.3U Active CN209511046U (en) | 2019-01-17 | 2019-01-17 | Ball-screw |
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| Country | Link |
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| CN (1) | CN209511046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611527A (en) * | 2019-01-17 | 2019-04-12 | 苏春光 | The ball-screw of ring grain axle sleeve matching thread screw rod |
-
2019
- 2019-01-17 CN CN201920088821.3U patent/CN209511046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611527A (en) * | 2019-01-17 | 2019-04-12 | 苏春光 | The ball-screw of ring grain axle sleeve matching thread screw rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220707 Address after: No. 11, Yinhai Avenue South, Huicheng, Xinhui District, Jiangmen City, Guangdong Province, 529100 Patentee after: GUANGDONG KAITE PRECISION MACHINERY Co.,Ltd. Address before: No.19, Bei'an North Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province, 529000 Patentee before: Su Chunguang |
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| TR01 | Transfer of patent right |