CN207687183U - Unmanned machine head special bearing - Google Patents
Unmanned machine head special bearing Download PDFInfo
- Publication number
- CN207687183U CN207687183U CN201721693368.6U CN201721693368U CN207687183U CN 207687183 U CN207687183 U CN 207687183U CN 201721693368 U CN201721693368 U CN 201721693368U CN 207687183 U CN207687183 U CN 207687183U
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- raceway groove
- machine head
- ring
- radius
- dustproof cover
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Abstract
The utility model proposes a kind of unmanned machine head special bearings, including：Outer ring has outer raceway groove on the inner surface of the outer ring；Inner ring, the inner ring are located in the outer ring, have the interior raceway groove opposite with the outer raceway groove on the outer surface of the inner ring；Retainer, the retainer are located between the outer ring and the inner ring；Multiple rolling elements, multiple rolling elements are arranged along the circumferential uniform intervals of the retainer, and multiple rolling elements are rolled with the outer raceway groove and the interior raceway groove and connected；Wherein, the radius of curvature of the radius of curvature of the outer raceway groove and the interior raceway groove meets RW=RN=fn*DW, in formula：The radius of curvature of RW-outer raceway groove；The radius of curvature of RN-interior raceway groove；Fn -0.505~0.515；DW-rolling element diameter.A kind of unmanned machine head special bearing according to the present utility model, generated end-play can meet the stability of unmanned plane holder in flight course, meet the clarity that unmanned plane shoots image in flight course.
Description
Technical field
The utility model is related to a kind of bearing, especially a kind of unmanned machine head special bearing belongs to electrical equipment technology
Field.
Background technology
Unmanned plane stability of holder in flight course is to be related to the readability of shooting image, due to general bearing
Inside and outside milling radius parameter is designed as (0.56~0.58) times of steel ball size by standard, and radial internal clearance presses arm's length standard
Take, generated end-play and angle clearance for big on unmanned machine head, cause unmanned plane fly shoot when holder have
It shakes, the image and photo of shooting are unintelligible, can not meet requirement.
Utility model content
The inventor of the utility model recognizes after test of many times, and the inside and outside milling radius parameter of bearing is existed
It is reduced in existing standard base, generated end-play can meet the stabilization of unmanned plane holder in flight course
Property, meet the clarity that unmanned plane shoots image in flight course.
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, a purpose of the utility model is to propose a kind of unmanned machine head special bearing.
A kind of unmanned machine head special bearing according to the present utility model, including：
Outer ring has outer raceway groove on the inner surface of the outer ring；
Inner ring, the inner ring are located in the outer ring, are had on the outer surface of the inner ring opposite with the outer raceway groove
Interior raceway groove；
Retainer, the retainer are located between the outer ring and the inner ring；
Multiple rolling elements, multiple rolling elements are arranged along the circumferential uniform intervals of the retainer, and multiple rollings
Kinetoplast is rolled with the outer raceway groove and the interior raceway groove and is connected；
Wherein, the radius of curvature of the radius of curvature of the outer raceway groove and the interior raceway groove meets RW=RN=fn*DW,
In formula：The radius of curvature of RW-outer raceway groove；
The radius of curvature of RN-interior raceway groove；
Fn -0.505~0.515；
DW-rolling element diameter.
Advantageously, the value of fn is 0.51.
Advantageously, the unmanned machine head special bearing further includes the first dustproof cover and the second dustproof cover, and described first
Dustproof cover is located at the left side of the retainer, and the outer rim of first dustproof cover is connected with the inner wall of the outer ring, and described first
The inner edge of dustproof cover is connected with the outer wall of the inner ring, and second dustproof cover is located at the right side of the retainer, and described second
The outer rim of dustproof cover is connected with the inner wall of the outer ring, and the inner edge of second dustproof cover is connected with the outer wall of the inner ring.
Advantageously, the radial internal clearance of the unmanned machine head special bearing is 0.000~0.003mm.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
Fig. 1 is the schematic diagram according to the unmanned machine head special bearing of the utility model one embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The inventor of the utility model recognizes after test of many times, and the inside and outside milling radius parameter of bearing is existed
It is reduced in existing standard base (value range is contracted to 0.505~0.515 by existing 0.56~0.58), it is generated
End-play and angle clearance can meet the stability of unmanned plane holder in flight course, meet unmanned plane in flight course
Shoot the clarity of image.
Below with reference to the accompanying drawings it is described in detail a kind of unmanned machine head special bearing according to the present utility model.
As shown in Figure 1, a kind of unmanned machine head special bearing according to the present utility model, including：Outer ring 100, inner ring
200, retainer 300, multiple rolling elements 400.
Specifically, having outer raceway groove 101 on the inner surface of outer ring 100.
Inner ring 200 is located in outer ring 100, has the interior raceway groove 201 opposite with outer raceway groove 101 on the outer surface of inner ring 200.
Retainer 300 is located between outer ring 100 and inner ring 200.
Multiple rolling elements 400 are arranged along the circumferential uniform intervals of retainer 300, and multiple rolling elements 400 are and outer raceway groove
101 and interior raceway groove 201 roll connection.
Wherein, the radius of curvature of the radius of curvature of outer raceway groove 101 and interior raceway groove 201 meets RW=RN=fn*DW,
In formula：The radius of curvature of RW-outer raceway groove；
The radius of curvature of RN-interior raceway groove；
Fn -0.505~0.515；
DW-rolling element diameter.
Advantageously, the value of fn is 0.51.Advantageously, the radial internal clearance of the unmanned machine head special bearing is 0.000
~0.003mm.
A kind of unmanned machine head special bearing according to the present utility model as a result, generated end-play and angle clearance
The stability that unmanned plane holder in flight course can be met meets the clarity that unmanned plane shoots image in flight course
It is required that.
Advantageously, the electric toothbrush low torque bearing further includes the first dustproof cover 510 and the second dustproof cover 520,
First dustproof cover 510 is located at the left side of retainer 300, and the outer rim of the first dustproof cover 510 is connected with the inner wall of outer ring 100, and first
The inner edge of dustproof cover 200 is connected with the outer wall of inner ring 200, and the second dustproof cover 520 is located at the right side of retainer 300, and second is dust-proof
The outer rim of lid 520 is connected with the inner wall of outer ring 100, and the inner edge of the second dustproof cover 520 is connected with the outer wall of inner ring 200.As a result, may be used
To prevent the impurity such as extraneous dust from entering, it ensure that rolling element 400 and outer raceway groove 101 and 201 running resistance of interior raceway groove are small.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or more in the description of the present invention, remove
It is non-separately to have clearly specific restriction.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
It inside makes changes, modifications, substitutions and variations to the above described embodiments, each falls within the scope of protection of the utility model.
Claims (4)
1. a kind of unmanned machine head special bearing, which is characterized in that including：
Outer ring has outer raceway groove on the inner surface of the outer ring；
Inner ring, the inner ring are located in the outer ring, have the septal fossula opposite with the outer raceway groove on the outer surface of the inner ring
Road；
Retainer, the retainer are located between the outer ring and the inner ring；
Multiple rolling elements, multiple rolling elements are arranged along the circumferential uniform intervals of the retainer, and multiple rolling elements
It rolls and connects with the outer raceway groove and the interior raceway groove；
Wherein, the radius of curvature of the radius of curvature of the outer raceway groove and the interior raceway groove meets RW=RN=fn*DW,
In formula：The radius of curvature of RW-outer raceway groove；
The radius of curvature of RN-interior raceway groove；
Fn -0.505~0.515；
DW-rolling element diameter.
2. unmanned machine head special bearing according to claim 1, which is characterized in that the value of fn is 0.51.
3. unmanned machine head special bearing according to claim 1 or 2, which is characterized in that further include the first dustproof cover and
Second dustproof cover, first dustproof cover are located at the left side of the retainer, outer rim and the outer ring of first dustproof cover
Inner wall be connected, the inner edge of first dustproof cover is connected with the outer wall of the inner ring, and second dustproof cover is located at the guarantor
The outer rim on the right side of holder, second dustproof cover is connected with the inner wall of the outer ring, the inner edge of second dustproof cover and institute
The outer wall for stating inner ring is connected.
4. unmanned machine head special bearing according to claim 3, which is characterized in that the unmanned machine head special bearing
Radial internal clearance be 0.000~0.003mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693368.6U CN207687183U (en) | 2017-12-07 | 2017-12-07 | Unmanned machine head special bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693368.6U CN207687183U (en) | 2017-12-07 | 2017-12-07 | Unmanned machine head special bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687183U true CN207687183U (en) | 2018-08-03 |
Family
ID=62997022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721693368.6U Active CN207687183U (en) | 2017-12-07 | 2017-12-07 | Unmanned machine head special bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899383A (en) * | 2017-12-07 | 2019-06-18 | 上海恩牧必精密轴承制造有限公司 | Unmanned machine head special bearing |
-
2017
- 2017-12-07 CN CN201721693368.6U patent/CN207687183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899383A (en) * | 2017-12-07 | 2019-06-18 | 上海恩牧必精密轴承制造有限公司 | Unmanned machine head special bearing |
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