CN207850341U - The detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device - Google Patents
The detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device Download PDFInfo
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- CN207850341U CN207850341U CN201721860599.1U CN201721860599U CN207850341U CN 207850341 U CN207850341 U CN 207850341U CN 201721860599 U CN201721860599 U CN 201721860599U CN 207850341 U CN207850341 U CN 207850341U
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- central axes
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- dustproof groove
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Abstract
The utility model is related to a kind of detectors of miniature bearing ferrule collar dustproof groove groover rot diameter detection device, include the head for stretching into dustproof groove slot bottom and the body portion for connecting detection device, and the shape on the head is：Using central axes perpendicular to bottom surface circular cone as matrix, circular cone basal diameter≤3mm, the plane with central axes are parallel to and apart from central axes no more than 0.5mm are cut, and the part containing central axes and conical tip is obtained, conical tip is in the spherical transition that radius is R, R≤0.05mm.The detector is simple in structure, and detection stability is good, can significantly improve detection efficiency, production, installation and easy to use.
Description
Technical field
The utility model is related to bearing dustproof groove field of measuring technique, and in particular to a kind of miniature bearing ferrule collar dustproof groove slot
The detector of bottom apparatus for detecting diameter.
Background technology
High-precision micro bearing size is smaller, general internal diameter≤10mm, be widely used in Aeronautics and Astronautics, navigation and instrument,
The military fields such as instrument just need the bearing with dustproof cover when some working conditions are severe.Lasso with dust-proof groove bearing, phase
The size of mutual correlation is more and size is small, difficulty of processing is big, and testing requirements are high.
In the past to the detection of bearing ring dustproof groove, since dustproof groove size is smaller, it is difficult to measure, lead in process
Ensure by molding cutter, after the completion of turning, trial assembly is carried out with dustproof cover and spring ring, if meets cooperation and require to judge to be
No qualification.Since turning efficiency is higher, checkability is extremely low, it is difficult to ensure that the processing quality of the process, so must use new
Detection method carry out dustproof groove size detection.
Have in the prior art and is largely used to measure bearing outer ring channel（Refer to spherical rolling bulk channel）Measuring instrument, example
Such as bearing outer ring channel measuring instrument D923, but the detector of these measuring instruments is often spherical in shape, and diameter is relative to anti-
It is bigger for dirt well width, the measurement of dustproof groove groover rot diameter can not be used for, and makes the smaller spherical shape of diameter
The difficulty of detector and installation and use difficulty are larger.
Utility model content
The purpose of this utility model is to provide a kind of detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device,
The detector is simple in structure, production, installation and it is easy to use.
In order to solve the above technical problems, technical solution used by the utility model is：Miniature bearing ferrule collar dustproof groove slot
The detector of bottom apparatus for detecting diameter includes the head for stretching into dustproof groove slot bottom and the body for connecting detection device
The shape in portion, the head is：Using central axes perpendicular to bottom surface circular cone as matrix, circular cone basal diameter≤3mm, use is parallel
It is cut no more than the plane of 0.5mm in central axes and apart from central axes, obtains the part containing central axes and conical tip, circular cone
Vertex is in the spherical transition that radius is R, R≤0.05mm.
Specifically, the shape on the head is：Using central axes perpendicular to bottom surface circular cone as matrix, circular cone basal diameter
For 3mm, the plane with central axes are parallel to and apart from central axes 0.5mm is cut, and the portion containing central axes and conical tip is obtained
Point, conical tip is in the spherical transition that radius is R.
Specifically, in the head, element of cone and central axes angle are β=30 °.
Specifically, R=0.03mm.
Further, the body portion diametrically≤3mm it is cylindric.
Further, the diameter in the body portion is equal with cone diameter in head, and the two central axes overlap.
Further, head is smoothly connected with body portion.
Further, head and body portion integrally connected.
Advantageous effect：The detector of the utility model is simple in structure, is easy production, and prior art middle (center) bearing is substituted when use
The spherical detector of outer ring raceway measuring instrument, detection method detect spherical rolling body ditch with primitive axis bearing outer-ring ditch measuring instrument device
The detection method of road diameter is identical, therefore application method is easily mastered；Detector head is arranged to the semi-conical, a side
Face can reduce the width into dustproof groove, on the other hand can prevent detector bending deformation from increasing to influence measurement accuracy
The stability that strong dustproof groove groover rot diameter measures；One end that detector head is in contact with dustproof groove slot bottom is in the ball that radius is R
Face is bent and R≤0.05mm, so that detector is in contact with dustproof groove slot bottom and is contacted for cambered surface, prevents from damaging bearing ring to be measured,
Prevent the attrition of detector；It is to extend and dustproof groove slot bottom contact jaw to miniature bearing lasso that detector body portion, which is arranged,
The distance of dustproof groove groover rot diameter detection device allows it to work normally.
Description of the drawings
Fig. 1 is miniature bearing outer ring and dust-proof slot structure schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is Fig. 2 right views；
Fig. 4 is the utility model detecting state schematic diagram, wherein circle indicates that bearing outer ring, the interior arrow of circle indicate two positioning
Totally three detectors, the outer arrow of circle indicate instrument head for fulcrum and a measuring fulcrum；
It is marked in figure：1, head, 2, body portion, 3, spherical rolling bulk channel, 4, dustproof groove, 5, head side plane and body portion are flat
At slip.
Specific implementation mode
The utility model is described in more detail in the following with reference to the drawings and specific embodiments, in following embodiment with
For miniature bearing lasso as described in Figure 1, the outer collar dustproof groove diameter of miniature bearing is with 6mm（Upper deviation 0.1mm, lower deviation 0）、
Dust-proof well width 0.4mm（The upper deviation 0, lower deviation 0.04mm）For qualification, bearing outer ring channel measuring instrument in the prior art
The spherical detector of D923 can not detect groover rot diameter.
Embodiment 1, a kind of detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device, as shown in Fig. 2, including
Head 1 for stretching into dustproof groove slot bottom and the body portion 2 for connecting detection device；The shape on the head 1 is：In
Circular cone of the axis perpendicular to bottom surface is matrix, and a diameter of 3mm in circular cone bottom surface, element of cone and central axes angle are β=30 °, with flat
Row is in central axes and apart from central axes 0.5mm（L in Fig. 2）Plane cut, obtain the portion containing central axes and conical tip
Point, conical tip is to be in contact with dustproof groove slot bottom in the spherical transition that radius is R, R=0.03mm, one end of the spherical transition
One end；The body portion 2 is diametrically the cylindric of 3mm, and 1 central axes of head coincide with 2 central axes of body portion, head 1
Side is integrally smoothly connected with body portion 2.
For the miniature bearing of different size, each size of detector can be adjusted accordingly, such as：For dust-proof in qualified outer ring
Slot diameter is less than the case where 6mm, then circular cone basal diameter≤3mm, the L≤0.5mm etc. on head 1, the diameter in corresponding body portion 2 with
Circular cone basal diameter is equal or slight difference.
Since the detection area of bed is smaller, the selection of material is preferably with hard, wear-resistant alloy when production.It is in use, can be with
The spherical detector of bearing outer ring channel measuring instrument D923 in the prior art is removed, the utility model embodiment 1 is replaced with
In detector, detection method using bearing outer ring channel measuring instrument D923 detection spherical rolling bulk channel detection method pair
The groover rot diameter of miniature bearing ferrule collar dustproof groove is detected, that is, is included the following steps：（1）Using 6mm standard components（It is dust-proof
The outer ring sample of a diameter of 6mm of slot）And left gauge head, upper gauge head, right gauge head height are adjusted with method of scoring of tinting（Wherein upper gauge head and
Right gauge head is positioning supporting point, and left gauge head is measuring fulcrum）, make three gauge heads（It is the detector of the application）Height with
Dust-proof groove height is consistent；（2）Adjusting lateral screw makes measuring fulcrum generate enough pressure, adjustment limit spiral shell to standard component
Nail, limits the moving range of measuring fulcrum；（3）Detection：Outer ring to be measured is put on the table, the pico- measuring fulcrum that adjusts is treated
The pressure for surveying outer ring, keeps outer ring to be measured close to two positioning supporting points, and instrument indicated value is the diameter relative to standard component
Error.To sum up, the utility model actually additionally provides a kind of Minisize axial converted by bearing outer ring channel measuring instrument
Bearing sleeve collar dustproof groove groover rot diameter detection device and its detection method, can significantly improve dustproof groove compared with traditional detection method
The detection efficiency of groover rot diameter.
Above example is only the explanation done to the basic conception of the utility model, any not depart from this practicality
Adjustment, improvement and the replacement carried out in the case of novel basic conception should all be included in the scope of protection of the utility model.
Claims (8)
1. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device, includes the head for stretching into dustproof groove slot bottom
Portion（1）With the body portion for connecting detection device（2）, it is characterised in that：The head（1）Shape be：It is hung down with central axes
Directly in the circular cone of bottom surface be matrix, circular cone basal diameter≤3mm, be parallel to central axes and apart from central axes be no more than 0.5mm
Plane cut, obtain the part containing central axes and conical tip, conical tip in the spherical transition that radius is R, R≤
0.05mm。
2. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device according to claim 1, feature exist
In：The head（1）Shape be：Using central axes perpendicular to bottom surface circular cone as matrix, a diameter of 3mm in circular cone bottom surface, use
It is parallel to central axes and the plane apart from central axes 0.5mm is cut, obtain the part containing central axes and conical tip, circular cone top
Point is in the spherical transition that radius is R.
3. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device according to claim 1, feature exist
In：The head（1）In, element of cone and central axes angle are β=30 °.
4. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device according to claim 1, feature exist
In：R=0.03mm.
5. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device according to claim 1, feature exist
In：The body portion（2）Diametrically≤3mm's is cylindric.
6. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device according to claim 5, feature exist
In：The body portion（2）Diameter and head（1）Middle cone diameter is equal, and the two central axes overlap.
7. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device according to claim 5, feature exist
In：Head（1）With body portion（2）It is smoothly connected.
8. the detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device according to claim 5, feature exist
In：Head（1）With body portion（2）Integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860599.1U CN207850341U (en) | 2017-12-27 | 2017-12-27 | The detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860599.1U CN207850341U (en) | 2017-12-27 | 2017-12-27 | The detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207850341U true CN207850341U (en) | 2018-09-11 |
Family
ID=63419185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860599.1U Active CN207850341U (en) | 2017-12-27 | 2017-12-27 | The detector of miniature bearing ferrule collar dustproof groove groover rot diameter detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207850341U (en) |
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2017
- 2017-12-27 CN CN201721860599.1U patent/CN207850341U/en active Active
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