CN216451256U - Insulation structure of encoder and power source - Google Patents
Insulation structure of encoder and power source Download PDFInfo
- Publication number
- CN216451256U CN216451256U CN202123235439.7U CN202123235439U CN216451256U CN 216451256 U CN216451256 U CN 216451256U CN 202123235439 U CN202123235439 U CN 202123235439U CN 216451256 U CN216451256 U CN 216451256U
- Authority
- CN
- China
- Prior art keywords
- encoder
- insulating ring
- main body
- shaft sleeve
- bearing
- 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.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 18
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 8
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 229920002530 polyetherether ketone Polymers 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 229910052755 nonmetal Inorganic materials 0.000 abstract 2
- 239000003292 glue Substances 0.000 description 3
- 229920001651 Cyanoacrylate Polymers 0.000 description 2
- 239000004830 Super Glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The utility model provides an insulation structure of an encoder and a power source, which mainly comprises an encoder main body and a shaft sleeve, wherein the shaft sleeve penetrates through the encoder main body; a bearing assembly and a first insulating ring are sleeved between the encoder main body and the shaft sleeve; the first insulating ring and the bearing assembly are sequentially arranged along the axial direction of the shaft sleeve; a gap is reserved between the encoder main body and the bearing assembly, and a second insulating ring is arranged in the gap. The utility model has simple structure, cuts off the direct contact part of the bearing assembly and the encoder main body through the first non-metal insulating ring and the second non-metal insulating ring, effectively prevents heat energy and static electricity generated in the operation process of the motor bearing from being transferred to the electronic devices in the encoder, and prolongs the service life of the encoder.
Description
Technical Field
The utility model mainly relates to the technical field of encoders, in particular to an insulation structure of an encoder and a power source.
Background
All adopt lug connection's mode between current encoder and the motor bearing, do not have any safeguard measure, the motor bearing can generate heat at high-speed rotatory in-process to because relevant live equipment such as motor can produce static, the produced heat of motor and bearing operation and static can transmit for integrated circuit and smart password dish through the bearing of metal system, long this past, the inside electron device life of encoder can shorten, serious can cause electron device to damage
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an insulation structure of an encoder and a power source, wherein static electricity and heat energy generated by a motor bearing in the operation process can prolong the service life of an electronic device in the encoder.
The technical scheme provided by the utility model is as follows:
the utility model provides an insulation structure of an encoder and a power source, which comprises an encoder main body and a shaft sleeve, wherein the shaft sleeve penetrates through the encoder main body; a bearing assembly and a first insulating ring are sleeved between the encoder main body and the shaft sleeve; the first insulating ring and the bearing assembly are sequentially arranged along the axial direction of the shaft sleeve; a gap is reserved between the encoder main body and the bearing assembly, and a second insulating ring is arranged in the gap.
Preferably, the first insulating ring and the second insulating ring are made of PEEK plastic; the first insulating ring and the second insulating ring integrally form an insulating sleeve.
Preferably, a limit ring is further sleeved between the encoder main body and the shaft sleeve; the limiting ring consists of a limiting part and a supporting part; the inner diameter and the outer diameter of the limiting part are equal to those of the first insulating ring; the supporting part, the limiting part and the first insulating ring are sequentially arranged along the axis of the shaft sleeve; the radial cross section of the limiting ring is L-shaped, the limiting part forms a long section of the L-shaped cross section, and the supporting part forms a short section of the L-shaped cross section.
Preferably, the bearing assembly comprises a first bearing and a second bearing of the same specification; the first bearing is arranged far away from the opening of the shaft sleeve; the first insulating ring is arranged close to the first bearing and far away from the second bearing.
The utility model has the beneficial effects that:
the insulating structure of the encoder and the power source provided by the utility model has a simple structure, and the part of the bearing assembly, which is directly contacted with the encoder main body, is isolated through the first insulating ring and the second insulating ring which are non-metallic, so that heat energy and static electricity generated in the operation process of the motor bearing are effectively prevented from being transferred to electronic devices inside the encoder, and the service life of the encoder is prolonged.
Drawings
The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.
FIG. 1 is a block diagram of the present invention;
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.
Example 1
In order to solve the technical problem, the embodiment of the utility model provides an insulation structure of an encoder and a power source, which comprises an encoder main body 1 and a shaft sleeve 2, wherein the shaft sleeve 2 penetrates through the encoder main body 1; a bearing assembly 3 and a first insulating ring 4 are sleeved between the encoder main body 1 and the shaft sleeve 2; the first insulating ring 4 and the bearing assembly 3 are sequentially arranged along the axial direction of the shaft sleeve 2; a gap is left between the encoder body 1 and the bearing assembly 3, and a second insulating ring 5 is provided in the gap.
When the insulation structure of the encoder and the power source related to the embodiment is installed, the second insulation ring 5 is adhered to the inner ring of the encoder main body 1 by using the strong glue, the bearing assembly 3 is sleeved in the second insulation ring 5 after the strong glue is dried, and in the process, the encoder main body 1 needs to leave a certain space for placing the first insulation ring 4; the first insulating ring 4 is sleeved outside the shaft sleeve 2, the first insulating ring and the shaft sleeve are adhered through the super glue, the super glue is statically waited to be dried, and the second insulating ring 5, the encoder main body 1 and the main body formed by the bearing are sleeved on the outer wall of the first insulating ring 4, so that the installation is completed. The utility model has simple structure, cuts off the part of the bearing assembly 3 which is directly contacted with the encoder main body 1 through the nonmetallic first insulating ring 4 and the nonmetallic second insulating ring 5, effectively prevents heat energy and static electricity generated in the operation process of the motor bearing from being transferred to the electronic device in the encoder, and prolongs the service life of the encoder.
In the present embodiment, it is preferable that the material of the first insulating ring 4 and the second insulating ring 5 is PEEK plastic; the PEEK plastic has rigidity and flexibility, the fatigue resistance is very outstanding, can compare favorably with alloy material, in addition, the PEEK plastic has good electrical insulation performance and heat-proof quality, its dielectric loss is very small under the high-frequency condition, have the superior dimensional stability characteristic at the same time, the change of environmental conditions such as temperature, humidity, etc. has little influence on the size of PEEK part, can meet the use requirement under the higher operating mode of dimensional accuracy requirement, suitable for making the insulating part between the metals; in addition, the first insulating ring 4 rotates along with the shaft sleeve 2, and the PEEK plastic has excellent sliding property and is suitable for occasions which strictly require low friction coefficient and wear-resisting application, so that the PEEK plastic is very suitable for manufacturing the insulating part of the bearing assembly 3 in the utility model; the first insulating ring 4 and the second insulating ring 5 integrally form an insulating sleeve; the groove-shaped insulating sleeve formed by the first insulating ring 4 and the second insulating ring 5 forms a complete isolating layer between the bearing assembly 3 and the encoder body 1, and ensures that heat energy and static electricity generated by the bearing assembly 3 cannot be directly transmitted into the encoder body 1.
In order to ensure the stability of the first insulating ring 4, in this embodiment, it is preferable that a spacing ring 6 is further sleeved between the encoder main body 1 and the shaft sleeve 2; the limit ring 6 is composed of a limit part 601 and a support part 602; the inner and outer diameters of the limiting part 601 and the first insulating ring 4 are equal; the supporting part 602, the limiting part 601 and the first insulating ring 4 are sequentially arranged along the axis of the shaft sleeve 2; the radial cross sectional shape of spacing ring 6 is L shape, spacing portion 601 constitutes the long limit in this L shape cross section, supporting part 602 constitutes the minor face in this L shape cross section, the supporting part 602 on axle sleeve 2 is established to the ring, when providing the fulcrum for spacing portion 601, increase the whole area of contact with axle sleeve 2 of spacing ring 6, increase frictional force, and spacing portion 601 with the direct contact of first insulation ring 4 plays fine limiting displacement to first insulation ring 4, avoid the powerful to glue not hard up, first insulation ring 4 slippage.
Preferably in this implementation, the bearing assembly 3 comprises a first bearing 301 and a second bearing 302 of the same gauge; the first bearing 301 is arranged away from the opening of the shaft sleeve 2; the first insulating ring 4 is disposed close to the first bearing 301 and far away from the second bearing 302, because the opening of the shaft sleeve 2 does not directly contact the encoder body 1 and the bearing assembly 3, no additional insulating ring is needed, and the manufacturing cost is reduced.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (4)
1. An insulation structure of an encoder and a power source is characterized by comprising an encoder main body and a shaft sleeve penetrating through the encoder main body;
a bearing assembly and a first insulating ring are sleeved between the encoder main body and the shaft sleeve; the first insulating ring and the bearing assembly are sequentially arranged along the axial direction of the shaft sleeve; a gap is reserved between the encoder main body and the bearing assembly, and a second insulating ring is arranged in the gap.
2. The insulation structure of an encoder from a power source according to claim 1, characterized in that: the first insulating ring and the second insulating ring are made of PEEK plastics; the first insulating ring and the second insulating ring integrally form an insulating sleeve.
3. The insulation structure of an encoder from a power source according to claim 1, characterized in that: a limiting ring is further sleeved between the encoder main body and the shaft sleeve; the limiting ring consists of a limiting part and a supporting part; the inner diameter and the outer diameter of the limiting part are equal to those of the first insulating ring; the supporting part, the limiting part and the first insulating ring are sequentially arranged along the axis of the shaft sleeve;
the radial cross section of the limiting ring is L-shaped, the limiting part forms a long section of the L-shaped cross section, and the supporting part forms a short section of the L-shaped cross section.
4. The insulation structure of an encoder from a power source according to claim 1, characterized in that: the bearing assembly comprises a first bearing and a second bearing which have the same specification; the first bearing is arranged far away from the opening of the shaft sleeve; the first insulating ring is arranged close to the first bearing and far away from the second bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123235439.7U CN216451256U (en) | 2021-12-21 | 2021-12-21 | Insulation structure of encoder and power source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202123235439.7U CN216451256U (en) | 2021-12-21 | 2021-12-21 | Insulation structure of encoder and power source |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216451256U true CN216451256U (en) | 2022-05-06 |
Family
ID=81375460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202123235439.7U Expired - Fee Related CN216451256U (en) | 2021-12-21 | 2021-12-21 | Insulation structure of encoder and power source |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216451256U (en) |
-
2021
- 2021-12-21 CN CN202123235439.7U patent/CN216451256U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107181359B (en) | Multilayer permanent magnet bias magnetic suspension unit, magnetic suspension motor and household air conditioner | |
US7671498B2 (en) | Fan motor and stator thereof | |
WO2018228262A1 (en) | Rotary shaft protection and radial displacement detection structure, magnetic suspension motor and household air conditioner | |
EP2696449A1 (en) | Slipring with integrated heating unit | |
CN216451256U (en) | Insulation structure of encoder and power source | |
CN109478820B (en) | Electric machine | |
CN107093938B (en) | Magnetic suspension motor and household air conditioner | |
CN102723802A (en) | Novel end cover insulation structure of wind power generator | |
CN206850593U (en) | Multilayer permanent magnetism off-set magnetic suspension unit, magnetic suspension motor and domestic air conditioning | |
CN214427595U (en) | High-temperature magnetic performance standard sample | |
CN212485752U (en) | Capacitive non-contact electric slip ring and equipment using same | |
CN108072393A (en) | A kind of insulated rotary encoder | |
CN207475331U (en) | Motor | |
CN102593682A (en) | Insulation central spindle electric conduction slip ring | |
CN107093939B (en) | Magnetic suspension motor and dust collector | |
CN103151669B (en) | A kind of highly reliable Power Slip-ring | |
CN215008867U (en) | Double-layer column type conductive slip ring | |
CN204376158U (en) | A kind of wind-powered electricity generation precise conductive slip ring | |
CN201178238Y (en) | Electricity conductive ring | |
CN108183571B (en) | Magnetic suspension motor shell and magnetic suspension motor | |
CN208386351U (en) | A kind of current vortex sensor and a kind of magnetic suspension motor | |
JP2000102219A (en) | Device for preventing axial current of electric motor or blower | |
TWI323318B (en) | Dynamic bearing structure and cooling fan employing the dynamic bearing structure | |
CN111509914A (en) | External rotation type motor structure | |
CN220628437U (en) | Flat conductive slip ring and electromechanical system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220506 |