CN216121127U - Glass-free brazing ring and ceramic bar commutator - Google Patents
Glass-free brazing ring and ceramic bar commutator Download PDFInfo
- Publication number
- CN216121127U CN216121127U CN202122076751.XU CN202122076751U CN216121127U CN 216121127 U CN216121127 U CN 216121127U CN 202122076751 U CN202122076751 U CN 202122076751U CN 216121127 U CN216121127 U CN 216121127U
- Authority
- CN
- China
- Prior art keywords
- commutator
- molding compound
- outside
- fixedly connected
- groove
- 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.)
- Active
Links
Images
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model relates to the technical field of commutators, in particular to a glass-free brazing ring and porcelain bar commutators which comprise a molding compound, wherein one side of the outer part of the molding compound is fixedly connected with a first bump, one side of the outer part of the molding compound is fixedly connected with a fixing mechanism, one side of the outer part of the fixing mechanism is clamped with a commutator bar, and one side of the inner part of the commutator bar is provided with a first clamping groove. The utility model has the advantages that: by arranging the first lug and the fixing mechanism, the commutator segment is stably arranged on one side of the outer part of the molding compound by matching the first lug and the fixing mechanism, so that the stability of the connecting structure of the molding compound and the commutator segment is ensured, the commutator is convenient to use, and the practicability of the glass-free brazing ring with the ceramic strips is improved; by arranging the protection mechanism, the two sides of the outer part of the commutator are protected, the magnetic winding coil and other components exposed outside the commutator are prevented from being damaged due to abrasion, the commutator is protected, and the service life of the commutator is prolonged.
Description
Technical Field
The utility model relates to the technical field of commutators, in particular to a glass-free brazing ring commutator with a ceramic bar.
Background
When the motor rotates, the related winding coil passes through the same directional magnetic field twice every revolution, so that the induced current in the winding is changed in direction, the commutator has the function of keeping the direction of the output current unchanged, the commutator is used on the direct current motor, the principle is that after the coil passes through the current, the coil rotates through attraction and repulsion under the action of the permanent magnet, when the coil rotates to be balanced with the magnet, the originally electrified line is separated from the electric brush compared with the contact sheet on the corresponding commutator, the electric brush is connected to the contact sheet corresponding to the group of coils which generates the driving force, so that the direct current motor rotates continuously and repeatedly, at the moment that the inductance is disconnected every time when the existing commutator works, the sparks generated between the electric brush and the commutator sheet generate a large amount of electromagnetic interference to the outside to influence the normal work of the nearby electronic equipment, the structure of the existing commutator generally comprises a plurality of commutator segments, the commutator segments are enclosed into a circle and are respectively connected with each contact on the rotor, two electrodes connected outside are called brushes to be in contact with the commutator segments, and only two of the electrodes are in contact with the commutator segments.
In the prior art, the following disadvantages are also associated with the use of the ceramic bar commutator:
under the high-speed rotation of motor, the motor shaft is slightly eccentric and will cause moulding compound and commutator segment to slightly separate, leads to commutator segment and motor coil contact failure, and the both sides of commutator are mostly lack of the protection simultaneously, also can cause both sides to expose when the motor high-speed operation and receive wearing and tearing around subassembly such as magnetic coil outside, cause the commutator to damage, make commutator life shorter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a glass-free brazing ring commutator with a ceramic bar.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a there is porcelain strip commutator no glass borer circle, includes the moulding compound, the first lug of outside one side fixedly connected with of moulding compound, outside one side fixedly connected with fixed establishment of moulding compound, outside one side joint of fixed establishment has the commutator segment, first draw-in groove has been seted up to inside one side of commutator segment, the second draw-in groove has been seted up to inside one side of commutator segment, inside one side of moulding compound is provided with protection mechanism.
Preferably, the fixing mechanism comprises a fixing block, a hook, a first groove, a first spring and a positioning block.
Through adopting above-mentioned technical scheme, use through the cooperation of first lug and fixed establishment, make the outside one side of installing at the moulding compound that the commutator segment is firm, guarantee moulding compound and commutator segment connection structure's stability, convenient to use to this no glass borer circle has the practicality of porcelain strip commutator has been improved.
Preferably, one side of the exterior of the molding compound is fixedly connected with a fixing block, one side of the exterior of the fixing block is fixedly connected with a clamping hook, one side of the interior of the fixing block is provided with a first groove, one side of the interior of the first groove is fixedly connected with a first spring, and one side of the exterior of the first spring is fixedly connected with a positioning block.
Preferably, the outside both sides of fixed block all fixedly connected with pothook, the locating piece passes through first recess sliding connection in inside one side of fixed block.
By adopting the technical scheme, the stability of the commutator segment is improved.
Preferably, the shape and size of the fixing mechanism are suitable for the second clamping groove, a slotted hole matched with the positioning block is formed in one side of the inside of the second clamping groove, and the positioning block is clamped on one side of the inside of the commutator segment through the slotted hole.
By adopting the technical scheme, the fixing mechanism is clamped with the commutator segment through the second clamping groove, so that the commutator segment is convenient to limit.
Preferably, the number of the first bumps is provided with a plurality of, every two groups of circumferences of the first bumps are arrayed on one side of the outer portion of the molding compound, the shape and size of the first bumps are matched with that of the first clamping grooves, and the commutator bar is clamped with the first bumps through the first clamping grooves.
Preferably, protection mechanism hold in the palm, insulating piece, mica sheet and fixture block including the cover, inside one side of moulding compound is provided with the cover and holds in the palm, the outside one side fixedly connected with insulating piece that the cover held in the palm, outside one side fixedly connected with mica sheet of insulating piece, outside one side fixedly connected with fixture block of insulating piece.
By adopting the technical scheme, the insulating sheet and the mica sheet have good insulating effect, and the two outer sides of the commutator can be protected.
Preferably, a groove matched with the clamping block is formed in one side of the interior of the molding compound, grooves are formed in two sides of the interior of the molding compound, and the clamping block is clamped on one side of the interior of the molding compound through the grooves.
Through adopting above-mentioned technical scheme, the fixture block passes through the groove joint in inside one side of moulding plastics, and protection machanism passes through the fixture block joint in inside one side of moulding plastics.
Preferably, one side of the outside of the commutator segment is fixedly connected with a plurality of porcelain bars, and the porcelain bars are circumferentially arrayed on one side of the outside of the commutator segment.
Through adopting above-mentioned technical scheme, the porcelain strip has insulating effect, and the heat resistance is fabulous, when the commutator segment moves with the brush, can reduce magnetic field interference, increases the result of use.
The utility model has the following advantages:
1. the glass-free brazing ring is provided with a ceramic bar commutator, and when the glass-free brazing ring is used, the inside of the commutator segment is provided with a first clamping groove matched with the first lug, the commutator segment is clamped with the first lug through the first clamping groove, the fixing mechanism is clamped with the commutator segment through the second clamping groove, the clamping hooks at two sides of the outside of the fixing block are clamped in the second clamping groove, the positioning block slides to the inside of the first groove after being extruded, when the commutator segment is arranged at a proper position, under the action of the first spring, the positioning block is clamped in the slot hole formed in one side of the inner part of the second clamping groove, the commutator segment is limited, and the commutator segment is stably arranged on one side of the outer part of the molding compound through the matching use of the first bump and the fixing mechanism, so that the stability of the connection structure of the molding compound and the commutator segment is ensured, the use is convenient, and the practicability of the glass-free brazing ring commutator with the ceramic bars is improved;
2. this no glass borer dimension circle has the porcelain strip commutator, through setting up protection mechanism, when using, will overlap the support and install in inside one side of moulding compound, insulating piece fixed connection is in the outside both sides that the cover held in the palm, outside one side fixed connection mica sheet at the insulating piece, the groove with fixture block looks adaptation is seted up to inside one side of moulding compound, the inside both sides of moulding compound are all seted up slottedly, the fixture block passes through the groove joint in inside one side of moulding compound, protection mechanism passes through the inside one side of fixture block joint at the moulding compound, insulating piece and mica sheet have fine insulating effect, also can protect the outside both sides of commutator, avoid the commutator to expose subassembly such as the magnetic coil of winding outside and receive wearing and tearing and damage, play the guard action to the commutator, thereby the life of commutator has been improved.
Drawings
FIG. 1 is a schematic partial cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic structural view of the fixing mechanism of the present invention;
FIG. 3 is a schematic cross-sectional elevation view of the protection mechanism of the present invention;
FIG. 4 is a schematic structural diagram of the ceramic bar commutator of the present invention;
fig. 5 is a schematic top view of the ceramic bar commutator of the present invention.
In the figure: 1-molding compound, 2-first bump, 3-fixing mechanism, 301-fixing block, 302-clamping hook, 303-first groove, 304-first spring, 305-positioning block, 4-commutator bar, 5-first clamping groove, 6-second clamping groove, 7-protection mechanism, 701-sleeve support, 702-insulating sheet, 703-mica sheet, 704-clamping block and 8-porcelain strip.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1 to 5, a glass-free brazing ring commutator with a ceramic bar comprises a molding compound 1, a first projection 2 is fixedly connected to one side of the exterior of the molding compound 1, a fixing mechanism 3 is fixedly connected to one side of the exterior of the molding compound 1, a commutator segment 4 is clamped to one side of the exterior of the fixing mechanism 3, a first clamping groove 5 is formed in one side of the interior of the commutator segment 4, a second clamping groove 6 is formed in one side of the interior of the commutator segment 4, and a protection mechanism 7 is arranged on one side of the interior of the molding compound 1.
As a preferred technical scheme of the utility model, the fixing mechanism 3 comprises a fixing block 301, a hook 302, a first groove 303, a first spring 304 and a positioning block 305, when in use, the commutator bar is stably arranged on one side of the outer part of the molding compound 1 by matching the first bump 2 with the fixing mechanism 3, the stability of the connection structure of the molding compound and the commutator bar is ensured, the use is convenient, and the practicability of the glass-free brazing ring with the ceramic bar commutator is improved.
As a preferred technical solution of the present invention, a fixed block 301 is fixedly connected to one side of the exterior of the molding compound 1, a hook 302 is fixedly connected to one side of the exterior of the fixed block 301, a first groove 303 is formed on one side of the interior of the fixed block 301, a first spring 304 is fixedly connected to one side of the interior of the first groove 303, and a positioning block 305 is fixedly connected to one side of the exterior of the first spring 304.
As a preferable technical solution of the present invention, the two external sides of the fixing block 301 are fixedly connected with the hooks 302, the positioning block 305 is slidably connected to one internal side of the fixing block 301 through the first groove 303, and when in use, the hooks 302 on the two external sides of the fixing block 301 are clamped inside the second clamping groove 6, so as to increase the stability of the commutator segments.
As a preferred technical solution of the present invention, the fixing mechanism 3 has a shape and a size suitable for the second slot 6, a slot hole adapted to the positioning block 305 is formed in one side inside the second slot 6, the positioning block 305 is clamped to one side inside the commutator segment 4 through the slot hole, and when in use, the fixing mechanism 3 is clamped to the commutator segment 4 through the second slot 6 to limit the commutator segment 4.
As a preferred technical solution of the present invention, the number of the first bumps 2 is plural, every two first bumps 2 are arrayed on one side of the exterior of the molding compound 1, the shape and size of the first bumps 2 are matched with the shape and size of the first slots 5, and the commutator segments 4 are clamped with the first bumps 2 through the first slots 5.
As a preferred technical scheme of the utility model, the protection mechanism 7 comprises a sleeve support 701, an insulation sheet 702, a mica sheet 703 and a clamping block 704, the sleeve support 701 is arranged on one side inside the molding compound 1, the insulation sheet 702 is fixedly connected to one side outside the sleeve support 701, the mica sheet 703 is fixedly connected to one side outside the insulation sheet 702, the clamping block 704 is fixedly connected to one side outside the insulation sheet 702, when the protection mechanism 7 is used, the clamping block 704 is clamped on one side inside the molding compound 1 through a groove, the protection mechanism 7 is clamped on one side inside the molding compound 1 through the clamping block 704, the insulation sheet and the mica sheet have good insulation effect, and the protection mechanism can also protect two sides outside the molding compound.
As a preferable technical scheme of the utility model, a groove matched with the clamping block 704 is formed in one side inside the molding compound 1, grooves are formed in both sides inside the molding compound 1, the clamping block 704 is clamped on one side inside the molding compound 1 through the grooves, when the molding compound is used, the clamping block 704 is clamped on one side inside the molding compound 1 through the grooves, and the protection mechanism 7 is clamped on one side inside the molding compound 1 through the clamping block 704.
As a preferred technical scheme of the utility model, one side of the outside of the commutator segment 4 is fixedly connected with a plurality of porcelain bars 8, the porcelain bars 8 are arranged in number, the porcelain bars 8 are circumferentially arrayed on one side of the outside of the commutator segment 4, when the commutator segment is used, the porcelain bars have an insulating effect and excellent heat resistance, and when the commutator segment moves with an electric brush, the magnetic field interference can be reduced, and the using effect is increased.
The working process of the utility model is as follows:
s1, when the commutator segment is used, a first clamping groove 5 matched with the first bump 2 is formed in the commutator segment 4, and the commutator segment 4 is clamped with the first bump 2 through the first clamping groove 5;
s2, the fixing mechanism 3 is clamped with the commutator segment 4 through the second clamping groove 6, the clamping hooks 302 on the two sides of the outer part of the fixing block 301 are clamped in the second clamping groove 6, and the positioning block 305 is extruded to slide into the first groove 303;
s3, when the commutator segment 4 is installed at a proper position, under the action of the first spring 304, the positioning block 305 is clamped inside a slotted hole formed in one side inside the second clamping groove 6 to limit the commutator segment 4, and the commutator segment is stably installed on one side outside the molding compound 1 through the matching use of the first bump 2 and the fixing mechanism 3;
s4, mounting the sleeve holder 701 on one side of the interior of the molding compound 1, fixedly connecting the insulating sheet 702 to two sides of the exterior of the sleeve holder 701, and fixedly connecting the mica sheet 702 to one side of the exterior of the insulating sheet 702;
s5, grooves matched with the clamping blocks 704 are formed in one side of the interior of the molding compound 1, grooves are formed in two sides of the interior of the molding compound 1, the clamping blocks 704 are connected to one side of the interior of the molding compound 1 in a clamping mode through the grooves, and the protection mechanism 7 is connected to one side of the interior of the molding compound 1 in a clamping mode through the clamping blocks 704 to protect two sides of the exterior of the molding compound.
To sum up, the glass-free brazing ring has a ceramic bar commutator, when the glass-free brazing ring is used, the commutator segment 4 is internally provided with a first clamping groove 5 matched with the first lug 2, the commutator segment 4 is clamped with the first lug 2 through the first clamping groove 5, the fixing mechanism 3 is clamped with the commutator segment 4 through a second clamping groove 6, the clamping hooks 302 at two sides of the outer part of the fixing block 301 are clamped in the second clamping groove 6, the positioning block 305 slides into the first groove 303 through extrusion, when the commutator segment 4 is installed at a proper position, under the action of the first spring 304, the positioning block 305 is clamped in the groove hole arranged at one side of the inner part of the second clamping groove 6 to limit the commutator segment 4, the commutator segment is stably installed at one side of the outer part of the commutator segment 1 through the matching use of the first lug 2 and the fixing mechanism 3, and the stability of a connecting structure of molding compound and the commutator segment is ensured, the glass-free brazing ring commutator is convenient to use, so that the practicability of the glass-free brazing ring commutator with the ceramic strips is improved; this no glass borer dimension circle has the porcelain strip commutator, through setting up protection mechanism 7, when using, with cover support 701 install in the inside one side of moulding compound 1, insulating piece 702 fixed connection holds in the palm the outside both sides of 701 in the cover, at outside one side fixed connection mica sheet 702 of insulating piece 702, the groove with fixture block 704 looks adaptation is seted up to inside one side of moulding compound 1, the inside both sides of moulding compound 1 are all seted up slottedly, fixture block 704 passes through the groove joint in inside one side of moulding compound 1, protection mechanism 7 passes through the inside one side of fixture block 704 joint at moulding compound 1, insulating piece 702 and mica sheet 703 have fine insulating effect, also can protect the outside both sides of commutator, avoid the commutator to expose assemblies such as the winding circle in the outside and receive wearing and tearing and damaging, play the guard action to the commutator, thereby the life of commutator has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a no glass borer dimension circle has porcelain strip commutator which characterized in that: including molding compound (1), the first lug of outside one side fixedly connected with (2) of molding compound (1), outside one side fixedly connected with fixed establishment (3) of molding compound (1), outside one side joint of fixed establishment (3) has commutator segment (4), first draw-in groove (5) have been seted up to inside one side of commutator segment (4), second draw-in groove (6) have been seted up to inside one side of commutator segment (4), inside one side of molding compound (1) is provided with protection mechanism (7).
2. The glass-free brazing ring and ceramic bar commutator of claim 1, wherein: the fixing mechanism (3) comprises a fixing block (301), a clamping hook (302), a first groove (303), a first spring (304) and a positioning block (305).
3. The glass-free brazing ring and ceramic bar commutator of claim 2, wherein: the molding compound is characterized in that one side of the outside of the molding compound (1) is fixedly connected with a fixing block (301), one side of the outside of the fixing block (301) is fixedly connected with a clamping hook (302), one side of the inside of the fixing block (301) is provided with a first groove (303), one side of the inside of the first groove (303) is fixedly connected with a first spring (304), and one side of the outside of the first spring (304) is fixedly connected with a positioning block (305).
4. The glass-free brazing ring and ceramic bar commutator of claim 3, wherein: the outer two sides of the fixing block (301) are fixedly connected with hooks (302), and the positioning block (305) is connected to one side of the inner portion of the fixing block (301) in a sliding mode through a first groove (303).
5. The glass-free brazing ring and ceramic bar commutator of claim 3, wherein: the shape and size of the fixing mechanism (3) are suitable for the second clamping groove (6), a slotted hole matched with the positioning block (305) is formed in one side of the interior of the second clamping groove (6), and the positioning block (305) is clamped on one side of the interior of the commutator segment (4) through the slotted hole.
6. The glass-free brazing ring and ceramic bar commutator of claim 1, wherein: the quantity of first lug (2) is provided with a plurality ofly, every two per a set of circumference arrays of first lug (2) are in outside one side of moulding compound (1), the shape size of first lug (2) and the shape size looks adaptation of first draw-in groove (5), commutator segment (4) are through first draw-in groove (5) and first lug (2) joint.
7. The glass-free brazing ring and ceramic bar commutator of claim 1, wherein: protection mechanism (7) hold in the palm (701), insulating piece (702), mica sheet (703) and fixture block (704) including the cover, inside one side of molding compound (1) is provided with cover support (701), outside one side fixedly connected with insulating piece (702) of cover support (701), outside one side fixedly connected with mica sheet (703) of insulating piece (702), outside one side fixedly connected with fixture block (704) of insulating piece (702).
8. The glass-free brazing ring and ceramic bar commutator of claim 7, wherein: a groove matched with the clamping block (704) is formed in one side of the interior of the molding compound (1), grooves are formed in two sides of the interior of the molding compound (1), and the clamping block (704) is clamped on one side of the interior of the molding compound (1) through the grooves.
9. The glass-free brazing ring and ceramic bar commutator of claim 1, wherein: the commutator segment is characterized in that one side of the outside of the commutator segment (4) is fixedly connected with porcelain strips (8), the number of the porcelain strips (8) is multiple, and the porcelain strips (8) are circumferentially arrayed on one side of the outside of the commutator segment (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122076751.XU CN216121127U (en) | 2021-08-31 | 2021-08-31 | Glass-free brazing ring and ceramic bar commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122076751.XU CN216121127U (en) | 2021-08-31 | 2021-08-31 | Glass-free brazing ring and ceramic bar commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121127U true CN216121127U (en) | 2022-03-22 |
Family
ID=80729824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122076751.XU Active CN216121127U (en) | 2021-08-31 | 2021-08-31 | Glass-free brazing ring and ceramic bar commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121127U (en) |
-
2021
- 2021-08-31 CN CN202122076751.XU patent/CN216121127U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7239063B2 (en) | Motor having supply brushes | |
| JP4726627B2 (en) | Armature in rotating electrical machine and method for manufacturing the same | |
| CN101409490B (en) | Motor | |
| US4074159A (en) | Dynamo-electric machine | |
| US7808145B2 (en) | Armature in rotary electric device and its manufacturing method | |
| US8922089B2 (en) | Direct-current motor armature, direct-current motor, and method for winding coil around armature of direct-current motor | |
| CN216121127U (en) | Glass-free brazing ring and ceramic bar commutator | |
| EP2779380B1 (en) | Commutator motor, winding connections and connecting method of the motor | |
| KR20080005110A (en) | Rotating electric machine having improved arrangement of brush holder for effectively dissipating heat generated by brush | |
| US20120216764A1 (en) | Engine cooling system and motor therefor | |
| US7009323B1 (en) | Robust commutator bar anchoring configuration with dove-tailed features | |
| CN106992651B (en) | Permanent magnet direct current motor and winding method of motor rotor | |
| EP4030598A1 (en) | Electric motor and electrical equipment | |
| US7679257B2 (en) | Planar commutator, rotor and direct current electric motor | |
| CN108370201B (en) | Motor and vehicle comprising same | |
| JP2011142760A (en) | Direct current rotary electric machine | |
| CN201994810U (en) | Permanent-magnet direct current motor | |
| JP2010011565A (en) | Armature of electric motor and its manufacturing method | |
| CN216436906U (en) | Magnetic pole mounting structure of printed winding motor | |
| CN113765278B (en) | Four-stage motor | |
| CN210404949U (en) | Wire harness fixing part for brushless motor | |
| CN210578190U (en) | Reciprocating rotation motor | |
| CN102280984B (en) | Direct current motor for cooling fan of automobile engine | |
| CN109495002B (en) | Aviation oil-cooled motor rotating rectifier | |
| WO2023135955A1 (en) | Electric motor and electrical device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221215 Address after: 466000 No. 006, Zhuansi North, Lilou Township, Dancheng County, Zhoukou City, Henan Province Patentee after: Henan Jinxin Glass Fiber Mesh Fabric Co.,Ltd. Address before: No. 14-1, Xiyang Meiling, yangmeiling group, Yiqiao village, Yuhang street, Yuhang District, Hangzhou, Zhejiang 311100 Patentee before: Zhang Huayun |
|
| TR01 | Transfer of patent right |