CN206248101U - Without built-in bearing capacitance type rotary encoder - Google Patents
Without built-in bearing capacitance type rotary encoder Download PDFInfo
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- CN206248101U CN206248101U CN201621397659.6U CN201621397659U CN206248101U CN 206248101 U CN206248101 U CN 206248101U CN 201621397659 U CN201621397659 U CN 201621397659U CN 206248101 U CN206248101 U CN 206248101U
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Abstract
The utility model is related to one kind without built-in bearing capacitance type rotary encoder, including：Rotor mechanism, stator mechanism and installation auxiliary；Rotor mechanism includes：Main shaft, retainer ring and rotating disk；Stator mechanism includes：Housing, upper circuit board and lower circuit board；The bottom of housing is provided with some salient points；Housing is provided with the accommodating cavity for housing rotating disk；There is the first gap with the upper surface of rotating disk in upper circuit board；There is the second gap with the lower surface of rotating disk in lower circuit board；The height in the second gap is highly equal with salient point.The beneficial effects of the utility model are：Depending on can be with the size of installation end using the size without built-in bearing capacitance type structure, saving installing space, and installation auxiliary, the structural requirement to installation end be reduced, improve the versatility installed.The precision of axial gap when mounted is aided in realizing by salient point, and the concentricity of radial direction is then realized by installing auxiliary, is installed very easy.
Description
Technical field
The utility model is related to rotary encoder design field, and more particularly to a kind of rotation without built-in bearing condenser type is compiled
Code device.
Background technology
At present, rotary encoder can be divided into photo-electric, magneto-electric and condenser type from principle, and can from mechanical mechanism
It is divided into built-in bearing and without two kinds of structures of built-in bearing.Relative to there is built-in bearing rotary encoder, rotated without built-in bearing and compiled
Code device advantage be：Save space, allow high speed shaft, do not limited by bearing life without additional starting torque and service life
Deng.But, the place of deficiency is there is also without built-in bearing rotary encoder：It is disturbed and installation difficulty by motor shaft play.And
Capacitance-type encoder uses the principle of circle Scanning Detction, allows axially and radially error higher, can overcome the disadvantages that just
Deficiency without built-in bearing structure.Therefore, occur in that, without built-in bearing capacitance type rotary encoder, it is broadly divided into structure
Rotor portion and stationary part, rotor portion are fixed with motor shaft or other revolving parts, stationary part and motor flange or its
He fixes non-rotating part, and its installation needs to meet two conditions.First, the scope that rotor portion is allowed with stationary part in error
It is interior concentric；Second, rotor portion is that fixed value and the fixed value are not zero with the axially opposing distance of stationary part.And without built-in
It is not fixedly connected directly between the rotor mechanism of bearing capacitance type rotary encoder itself and stator mechanism, rotor mechanism exists
There is the space of free floating in stator mechanism, cause current to be installed without built-in bearing capacitance type rotary encoder generally existing
Difficult problem.
Utility model content
Based on this, the utility model provide a kind of simple installation without built-in bearing capacitance type rotary encoder.
One kind without built-in bearing capacitance type rotary encoder, including：Rotor mechanism, the stator being set on rotor mechanism
Structure and the installation auxiliary being set in stator mechanism；Rotor mechanism includes：Main shaft, the retainer ring for being set in main shaft top, with
And it is connected to the rotating disk of main shaft bottom；Main shaft is provided with the endoporus for running through main shaft along the axial direction of main shaft；Stator mechanism includes：Shell
Body, and upper circuit board and lower circuit board in housing are contained in respectively；The bottom of housing is provided with some salient points；Housing is provided with receipts
Hold the accommodating cavity of rotating disk；Upper circuit board, rotating disk and lower circuit board are with directional spreding from top to bottom in accommodating cavity；Upper circuit
There is the first gap with the upper surface of rotating disk in plate；There is the second gap with the lower surface of rotating disk in lower circuit board；The height in the second gap
Degree is highly equal with salient point；Auxiliary is installed for cyclic structure is set；The outside and bottom that installation auxiliary is sheathed on housing are provided with
Convex extension part.
Wherein in one embodiment, retainer ring includes：Ring body and the locking piece for being connected to ring body side；Ring body is set in
The top of main shaft；Ring body offers adjustable clearance；Locking piece is located in the two ends of adjustable clearance.
Wherein in one embodiment, what main shaft was provided with some axial directions along main shaft tightens up groove.
Wherein in one embodiment, electrical connector is provided between upper circuit board and lower circuit board；Electrical connector is located at and turns
The outside of disk.
Wherein in one embodiment, housing is provided with perforation and is located in the fixture of perforation；Perforation is located at the outer of rotating disk
Side；Fixture is bolt.
The beneficial effects of the utility model are：Using installing space without built-in bearing capacitance type structure, can be saved, and
Depending on the size of installation auxiliary can be with the size of installation end, the structural requirement to installation end is reduced, improve the versatility installed.
And the precision of the axial gap without built-in bearing capacitance type rotary encoder when mounted aids in realizing by salient point, and radial direction
Concentricity then by installing auxiliary realization, reduces the structural requirement to installation end, and install very easy.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram without built-in bearing capacitance type rotary encoder of embodiment of the utility model；
Fig. 2 is the schematic diagram at another visual angle without built-in bearing capacitance type rotary encoder shown in Fig. 1；
Fig. 3 is the exploded perspective view without built-in bearing capacitance type rotary encoder shown in Fig. 1；
Fig. 4 is the sectional view without built-in bearing capacitance type rotary encoder (without auxiliary is installed) shown in Fig. 1；
Fig. 5 is the simplified version sectional view without built-in bearing capacitance type rotary encoder shown in Fig. 4；
Fig. 6 is the installment state one without built-in bearing capacitance type rotary encoder shown in Fig. 5；
Fig. 7 is the installment state two without built-in bearing capacitance type rotary encoder shown in Fig. 6；
Fig. 8 is the installment state three without built-in bearing capacitance type rotary encoder shown in Fig. 7；
The implication of each label is in accompanying drawing：
10- is without built-in bearing capacitance type rotary encoder；
20- rotor mechanisms, 21- main shafts, 22- retainer rings, 23- rotating disks, 24- endoporus, 25- tightens up groove, 26- ring bodies, 27- locks
Determine part, 28- adjustable clearances；
30- stators mechanism, 31- housings, the upper circuit boards of 32-, circuit board under 33-, 34- salient points, 35- accommodating cavities, 36- is passed through
Hole, 37- fixtures, the gaps of 38- first, the gaps of 39- second, 310- electrical connectors；
40- installs auxiliary, 41- convex extension parts；
50- measured axises；
60- flanges, 61- mounting holes.
Specific embodiment
It is specific purposes, the function that can further appreciate that feature of the present utility model, technological means and reached, parsing
Advantage of the present utility model and spirit, describe in detail with specific embodiment by below in conjunction with accompanying drawing to of the present utility model
The understanding of one step.
Referring to Fig. 1 to Fig. 4, it is the embodiment of the utility model one without built-in bearing capacitance type rotary encoder 10.
This without built-in bearing capacitance type rotary encoder 10, including：Rotor mechanism 20, it is set in determining on rotor mechanism 20
Clamp mechanism 30 and the installation auxiliary 40 being set in stator mechanism 30.Wherein, rotor mechanism 20 is used to be connected to measured axis 50
On, depending on clamp mechanism 30 be used for be fixed on flange 60 and coordinate rotor mechanism 20 to realize speed measuring function.The tool of each structure
Body is described as follows：
The rotor mechanism 20 includes：Main shaft 21, the retainer ring 22 for being set in the top of main shaft 21 and it is connected to the bottom of main shaft 21
The rotating disk 23 at end.Main shaft 21 is provided with the endoporus 24 for running through main shaft 21 along the axial direction of main shaft 21.Main shaft 21 is provided with some along master
The axial direction of axle 21 tightens up groove 25, when the outside of main shaft 21 is subjected to pressure, tightens up the deformation of groove 25 so that the internal diameter of main shaft 21
Reduce.Retainer ring 22 includes：Ring body 26 and the locking piece 27 for being connected to the side of ring body 26.Ring body 26 is set in the top of main shaft 21
End, and offer adjustable clearance 28.Locking piece 27 is that (in other embodiments, the locking piece 27 can also select buckle to bolt
Or the element of other lockings), and it is located in the two ends of adjustable clearance 28.When using, it is adjustable that turn locking piece 27 adjusts this
Gap 28 so that the internal diameter of ring body 26 shrinks, and then apply pressure to the outside of main shaft 21, force and tighten up the deformation of groove 25, main shaft
21 internal diameter reduces, so as to main shaft 21 be fixed with the link position of measured axis 50.
The stator mechanism 30 includes：Housing 31, and upper circuit board 32 and lower circuit board in housing 31 are contained in respectively
33.The bottom of housing 31 is provided with some salient points 34.Housing 31 is provided with the accommodating cavity 35 for housing rotating disk 23.Meanwhile, housing 31 is provided with
Perforation 36 and the fixture 37 for being located in perforation 36.The perforation 36 is located at the outside of rotating disk 23, and the fixture 37 is bolt.On
Circuit board 32 and lower circuit board are oppositely arranged about 33, and upper circuit board 32, rotating disk 23 and lower circuit board 33 are with by up to
Under directional spreding in accommodating cavity 35.There is the first gap 38 with the upper surface of rotating disk 23 in upper circuit board 32.Lower circuit board 33
There is the second gap 39 with the lower surface of rotating disk 23.Wherein, the first gap 38 and the second gap 39 are not zero, and the second gap
39 height is highly equal with salient point 34.In the present embodiment, it is provided between upper circuit board 32 and lower circuit board 33 for even
The electrical connector 310 for meeting both and being fixed with housing 31, the electrical connector 310 is located at the outside of rotating disk 23.
The installation auxiliary 40 is that cyclic structure is set, and installs auxiliary 40 and is sheathed on the outside and bottom of housing 31 and is provided with and protrudes out
Portion 41.When using, the main part for installing auxiliary 40 is set in the outside of housing 31, and convex extension part 41 is then set on flange 60.
Referring to Fig. 5 to Fig. 7, in order to clearly illustrate the technical solution of the utility model, it is provided below a kind of without in
Put the installation method of bearing capacitance type rotary encoder 10.Wherein, Fig. 5 is the simplified version view of Fig. 4, and it is easy to show emphatically
During installation, the change in the first gap 38 and the second gap 39.
The installation method without built-in bearing capacitance type rotary encoder 10, including step：
Step one：One kind is provided without built-in bearing capacitance type rotary encoder 10, including：Rotor mechanism 20, be set in turn
Stator mechanism 30 on clamp mechanism 20 and the installation auxiliary 40 being set in stator mechanism 30.Rotor mechanism 20 includes：Main shaft
21st, the retainer ring 22 for being set in the top of main shaft 21 and the rotating disk 23 for being connected to the bottom of main shaft 21.Main shaft 21 is provided with along main shaft 21
Axial direction through main shaft 21 endoporus 24.What main shaft 21 was provided with some axial directions along main shaft 21 tightens up groove 25.Stator
Mechanism 30 includes：Housing 31, and upper circuit board 32 and lower circuit board 33 in housing 31 are contained in respectively.The bottom of housing 31
It is provided with some salient points 34.Housing 31 is provided with the accommodating cavity 35 for housing the mechanism of rotating disk 23.Upper circuit board 32, rotating disk 23 and lower circuit
Plate 33 is with directional spreding from top to bottom in accommodating cavity 35.There is the first gap with the upper surface of rotating disk 23 in upper circuit board 32
38.There is the second gap 39 with the lower surface of rotating disk 23 in lower circuit board 33.The height in the second gap 39 and the height phase of salient point 34
Deng.Auxiliary 40 is installed for cyclic structure is set.The outside and bottom that installation auxiliary 40 is sheathed on housing 31 are provided with convex extension part 41.
In the present embodiment, retainer ring 22 includes：Ring body 26 and the locking piece 27 for being connected to the side of ring body 26.Ring body 26 is set in main shaft 21
Top.Ring body 26 offers adjustable clearance 28.Locking piece 27 is located in the two ends of adjustable clearance 28.Locking piece 27 is bolt.
Electrical connector 310 is provided between upper circuit board 32 and lower circuit board 33.Electrical connector 310 is located at the outside of rotating disk 23.Housing 31
It is provided with perforation 36 and is located in the fixture 37 of perforation 36.Perforation 36 is located at the outside of rotating disk 23.Fixture 37 is bolt.
Step 2：Auxiliary 40 will be installed to remove, then measured axis 50 is located on endoporus 24.
Step 3：Stator mechanism 30 is rotated until salient point 34 is connected on the end face of flange 60.
Step 4：Main shaft 21 is pushed away along the axial direction of main shaft 21 toward the end face of flange 60, until the lower surface of rotating disk 23
Abutted with lower circuit board 33, now, the first gap 38 increases, the second gap 39 is reduced to zero, then will be main by retainer ring 22
Axle 21 is locked on the current position of measured axis 50 (reference can be made to accompanying drawing 6).In the present embodiment, the locking mode of retainer ring 22
For turn locking member, adjustable clearance 28 is narrowed so that retainer ring 22 oppresses the outside of main shaft 21, forces the internal diameter of main shaft 21 to become
It is small.
Step 5：Roll-shell 31, in forcing the mounting hole 61 that salient point 34 is trapped on the end face of flange 60 so that housing 31
Bottom end face abutted with the end face of flange 60, now, the first gap 38 and the second gap 39 are recovered to original state.This is arrived, rotor machine
Structure 20 is finished with the steering gap adjustment of stator mechanism 30.
Step 6：By install auxiliary 40 be enclosed within outside housing 31, adjust housing 31 position so that install auxiliary 40 simultaneously with
Flange 60, housing 31 coordinate (reference can be made to accompanying drawing 7).
Step 7：It is pressed on auxiliary 40 is installed on flange 60 along the axial direction of main shaft 21, by housing 31 and flange
(fixture 37 is penetrated into perforation 36 and is locked on flange 60) after 60 lockings, now, auxiliary 40 is installed same with flange 60
The heart, stator mechanism 30 is concentric with installation auxiliary 40, it is achieved thereby that stator mechanism 30 is concentric with flange 60.Then, will install
Auxiliary 40 is withdrawn, installation (reference can be made to accompanying drawing 8).
The above-mentioned installation method without built-in bearing capacitance type rotary encoder 10 has the beneficial effect that：Using without built-in bearing
Capacitance type structure, can save installing space, and install the size of auxiliary 40 can be with the size of installation end depending on, it is right to reduce
The structural requirement of installation end, improves the versatility installed.And the axle without built-in bearing capacitance type rotary encoder 10 when mounted
Aid in realizing by salient point 34 to the precision in gap, and the concentricity of radial direction is then realized by installing auxiliary 40, is reduced to installing
The structural requirement at end, and install very easy.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. one kind is without built-in bearing capacitance type rotary encoder, it is characterised in that including：Rotor mechanism, it is set in the rotor
Stator mechanism in mechanism and the installation auxiliary being set in the stator mechanism；The rotor mechanism includes：Main shaft, set
The retainer ring for being located at the main shaft top and the rotating disk for being connected to the main shaft bottom；The main shaft is provided with along the main shaft
Axial direction through the main shaft endoporus；The stator mechanism includes：Housing, and be contained in respectively in the housing
Upper circuit board and lower circuit board；The bottom of the housing is provided with some salient points；The housing is provided with and houses the accommodating of the rotating disk
Chamber；The upper circuit board, the rotating disk and the lower circuit board are with directional spreding from top to bottom in the accommodating cavity；Institute
State circuit board and there is the first gap with the upper surface of the rotating disk；The lower circuit board has with the lower surface of the rotating disk
Two gaps；The height in second gap is highly equal with the salient point；The installation auxiliary is set for cyclic structure；It is described
Installation auxiliary is sheathed on the outside of the housing and bottom is provided with convex extension part.
2. it is according to claim 1 without built-in bearing capacitance type rotary encoder, it is characterised in that the retainer ring bag
Include：Ring body and the locking piece for being connected to the ring body side；The ring body is set in the top of the main shaft；The ring body is opened up
There is adjustable clearance；The locking piece is located in the two ends of the adjustable clearance.
3. it is according to claim 1 without built-in bearing capacitance type rotary encoder, it is characterised in that if the main shaft is provided with
Do and tighten up groove along the axial direction of the main shaft.
4. according to claim 1 without built-in bearing capacitance type rotary encoder, it is characterised in that the upper circuit board with
Electrical connector is provided between the lower circuit board；The electrical connector is located at the outside of the rotating disk.
5. it is according to claim 1 without built-in bearing capacitance type rotary encoder, it is characterised in that the housing is provided with and passes through
Hole and the fixture for being located in the perforation；The perforation is located at the outside of the rotating disk；The fixture is bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397659.6U CN206248101U (en) | 2016-12-19 | 2016-12-19 | Without built-in bearing capacitance type rotary encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397659.6U CN206248101U (en) | 2016-12-19 | 2016-12-19 | Without built-in bearing capacitance type rotary encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248101U true CN206248101U (en) | 2017-06-13 |
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ID=59007703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621397659.6U Active CN206248101U (en) | 2016-12-19 | 2016-12-19 | Without built-in bearing capacitance type rotary encoder |
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| Country | Link |
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| CN (1) | CN206248101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525084A (en) * | 2016-12-19 | 2017-03-22 | 广东盈动高科自动化有限公司 | Capacitance type rotary encoder without built-in bearing and installation method thereof |
-
2016
- 2016-12-19 CN CN201621397659.6U patent/CN206248101U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525084A (en) * | 2016-12-19 | 2017-03-22 | 广东盈动高科自动化有限公司 | Capacitance type rotary encoder without built-in bearing and installation method thereof |
| CN106525084B (en) * | 2016-12-19 | 2019-02-26 | 广东盈动高科自动化有限公司 | Without built-in bearing capacitance type rotary encoder and its installation method |
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