CN220652523U - Anti-loosening motor commutator - Google Patents
Anti-loosening motor commutator Download PDFInfo
- Publication number
- CN220652523U CN220652523U CN202322216714.3U CN202322216714U CN220652523U CN 220652523 U CN220652523 U CN 220652523U CN 202322216714 U CN202322216714 U CN 202322216714U CN 220652523 U CN220652523 U CN 220652523U
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- China
- Prior art keywords
- seat
- reversing
- loosening
- commutation
- copper
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 98
- 229910052802 copper Inorganic materials 0.000 claims abstract description 98
- 239000010949 copper Substances 0.000 claims abstract description 98
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 46
- 238000009413 insulation Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 210000001503 joint Anatomy 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 5
- 238000000748 compression moulding Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses an anti-loosening motor commutator which comprises a commutation insulating body and insulating seats uniformly distributed on the outer ring of the commutation insulating body, wherein the outer sides of the insulating seats are clamped and provided with commutation copper seats, two sides of each commutation copper seat are limited by baffle plates positioned at two ends of the insulating seats, the outer sides of the commutation copper seats are clamped and connected with commutation carbon sheets, the inner sides of the commutation carbon sheets are spliced with the commutation copper seats through positioning pins, anti-loosening sheets are fixed on the inner sides of the commutation copper seats, and the anti-loosening sheets are of an outward-expanding arc-shaped sheet structure. According to the utility model, the anti-falling piece arranged at the bottom of the reversing copper seat is clamped with the insulating seat, so that the anti-falling piece with an outward expansion structure can be tightly clamped with the insulating seat in the high-speed rotation process of the reverser, the loosening condition of the anti-falling piece is reduced, the connection is more tight, and the reversing carbon piece is spliced with the reversing copper seat through the locating pin, so that the reversing carbon piece can be quickly in butt joint connection.
Description
Technical Field
The utility model relates to the technical field of motor commutators, in particular to an anti-loosening motor commutator.
Background
The commutator is widely applied to motor and electric tool products, and the basic structure of the commutator is as follows: the commutator comprises commutator copper sheets which are uniformly distributed on the outer circumference of a commutator body, wherein the commutator copper sheets and the commutator body are molded together by injection molding, and the commutator copper sheets are provided with sheet feet which are implanted into the commutator body and firmly combined with the commutator body. In order to strengthen the bonding strength between the reversing copper sheet and the reversing body, improve the mechanical property of the reversing product, reduce the friction resistance and abrasion of the reversing copper sheet, a layer of carbon sheet is generally arranged on the outer side of the reversing copper sheet, and in the high-speed rotation process of the reversing, the carbon sheet and the reversing copper sheet as well as the reversing copper sheet and the reversing body are separated and fall off, so that the failure rate is higher.
Disclosure of Invention
Based on this, it is necessary to provide a locking type motor commutator to the above-mentioned technical problem, at the copper seat pressure injection molding in-process of switching-over, the purpose of joint is realized with the insulating seat to the anticreep piece that the copper seat bottom set up of switching-over, at the high-speed rotatory in-process of commutator, can carry out inseparable joint with the insulating seat through the anticreep piece of expanding the structure outward, reduce its loose condition, make its connection inseparabler, and the switching-over carbon piece is pegged graft mutually with the copper seat of switching-over through the locating pin, can dock fast and connect, make its connection more stable.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a locking motor commutator that takes off, its includes reversing insulation body and at reversing insulation body outer lane evenly distributed's insulating seat, the outside joint of insulating seat is provided with reversing copper seat, reversing copper seat's both sides are spacing through the both ends baffle that is located the insulating seat, reversing copper seat's outside joint has reversing carbon sheet, reversing carbon sheet's inboard is pegged graft mutually through the locating pin with reversing copper seat, reversing copper seat's inboard is fixed with the anticreep piece, the anticreep piece is the arc piece structure of expanding outward, just reversing copper seat passes through anticreep piece and insulating seat looks joint.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, the outer side of the reversing copper seat is provided with the inner groove, and the reversing carbon sheet is arranged in the inner groove of the reversing copper seat.
As a preferred embodiment of the anti-loosening motor commutator provided by the utility model, the outer surface of the commutating carbon sheet is flush with the outer surface of the commutating copper seat.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, one end of the reversing copper seat is arranged on the inner side of the insulating seat, and the other end of the reversing copper seat is arranged on the outer side of the insulating seat.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, the bottom of the outer end of the reversing copper seat is of a ladder-shaped structure.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, clamping grooves are formed in two sides of the commutating carbon sheet, and clamping blocks are fixed at positions of the commutating copper seat and the insulating seat corresponding to the clamping grooves.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, the clamping groove is of an arc-shaped concave structure and of a semicircular structure.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, a plurality of anti-loosening strips with corrugated structures are arranged on the inner side of the commutation carbon sheet, anti-loosening grooves are formed in positions, corresponding to the anti-loosening strips, of the commutation copper seat, and contact surfaces of the commutation copper seat and the commutation carbon sheet are connected through welding.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, a plurality of anti-loosening sheets are arranged, the anti-loosening sheets are spliced with clamping grooves on the insulating base, and the adjacent anti-loosening sheets are mutually perpendicular.
As a preferred implementation mode of the anti-loosening motor commutator provided by the utility model, the commutation copper seat is provided with a positioning hole corresponding to the positioning pin, and the bottom end of the positioning pin is of a spherical structure.
Compared with the prior art, the utility model has the following beneficial effects:
according to the anti-loosening motor commutator provided by the utility model, the commutation copper seat is arranged in the insulation seat on the commutation insulation body, the installation and connection can be realized in a compression molding mode, in the compression molding process of the commutation copper seat, the anti-loosening sheet arranged at the bottom of the commutation copper seat is clamped with the insulation seat, in the high-speed rotation process of the commutator, the anti-loosening sheet with an outward expansion structure can be tightly clamped with the insulation seat, the loosening condition is reduced, the connection is more tight, the commutation carbon sheet is spliced with the commutation copper seat through the locating pin, the quick butt joint connection can be realized, the contact surface of the commutation carbon sheet and the commutation copper seat can be conveniently and stably welded, the situation that the commutation carbon sheet and the commutation copper seat are separated from the insulation seat in the high-speed rotation process of the commutator can be avoided, and the connection is more stable.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure provided by the present utility model;
FIG. 2 is an exploded view of a part of the structure provided by the utility model;
fig. 3 is a schematic diagram of a structure of a reversing carbon sheet and a reversing copper seat provided by the utility model.
The labels in the figures are illustrated below:
1. a reversing insulating body; 2. an insulating base; 3. reversing carbon sheets; 4. a reversing copper seat; 5. a clamping block; 6. a clamping groove; 7. an anti-falling bar; 8. an anti-drop groove; 9. positioning holes; 10. a clamping groove; 11. an anti-falling sheet; 12. and (5) positioning pins.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As described in the background art, in the high-speed rotation process of the commutator, the carbon sheet and the copper sheet of the commutator, and the copper sheet of the commutator and the commutator body are separated and fall off, so that the failure rate is high.
In order to solve the technical problem, the utility model provides an anti-loosening motor commutator, which is applied to the technical field of motor commutators.
Specifically, please refer to fig. 1-3, a locking motor commutator, it includes reversing insulation body 1 and at reversing insulation body 1 outer lane evenly distributed's insulating seat 2, the outside joint of insulating seat 2 is provided with reversing copper seat 4, reversing copper seat 4's both sides are spacing through being located insulating seat 2's both ends baffle, reversing copper seat 4's outside joint has reversing carbon sheet 3, reversing carbon sheet 3's inboard is pegged graft mutually with reversing copper seat 4 through locating pin 12, reversing copper seat 4's inboard is fixed with anticreep piece 11, anticreep piece 11 is the arc piece structure of expanding outward, just reversing copper seat 4 is through anticreep piece 11 and insulating seat 2 looks joint.
According to the anti-loosening motor commutator provided by the utility model, the commutation copper seat 4 is arranged in the insulation seat 2 on the commutation insulation body 1, the installation and connection can be realized in a compression molding mode, in the compression molding process of the commutation copper seat 4, the anti-loosening sheet 11 arranged at the bottom of the commutation copper seat 4 is clamped with the insulation seat 2, in the high-speed rotation process of the commutator, the anti-loosening sheet 11 with an outward expansion structure can be tightly clamped with the insulation seat 2, the loose loosening condition is reduced, the connection is more tight, the commutation carbon sheet 3 is spliced with the commutation copper seat 4 through the positioning pin 12, the quick butt joint connection can be realized, the contact surface of the commutation carbon sheet 3 and the commutation copper seat 4 is conveniently and stably and quickly welded, the situation that the commutation carbon sheet 3 and the commutation copper seat 4 are separated from the insulation seat 2 in the high-speed rotation process of the commutator can be avoided, and the connection is more stable.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Examples
Please refer to fig. 2 and 3, a locking motor commutator, it includes reversing insulation body 1 and insulating seat 2 at reversing insulation body 1 outer lane evenly distributed, the outside joint of insulating seat 2 is provided with reversing copper seat 4, reversing copper seat 4's both sides are spacing through being located insulating seat 2's both ends baffle, reversing copper seat 4's outside joint has reversing carbon piece 3, the inner groovy has been seted up to reversing copper seat 4's outside, reversing carbon piece 3 installs in reversing copper seat 4's inner groovy, through installing reversing carbon piece 3 in reversing copper seat 4's inner groovy, can stably restrict reversing carbon piece 3's position, reversing carbon piece 3's surface flushes with the surface at reversing copper seat 4, make things convenient for the commutator to work, high-speed rotation, reversing carbon piece 3's inboard is pegged graft with reversing copper seat 4 mutually through locating pin 12, reversing copper seat 4's inboard is fixed with anti-disengaging piece 11, anti-disengaging piece 11 is the arc piece structure of outer expansion, and reversing copper seat 4 is blocked with insulating seat 2 through anti-disengaging piece 11, through anti-disengaging piece 11 that expands the structure, it can carry out the tight connection with insulating seat 2, it is more closely connected.
Examples
To embodiment 1 provides a locking motor commutator that takes off further optimizes, specifically, as shown in fig. 2 and 3, the inboard of insulating seat 2 is arranged in to the one end of switching-over copper seat 4, the outside of insulating seat 2 is arranged in to the other end of switching-over copper seat 4, the bottom of switching-over copper seat 4 outer end is the echelonment structure, make things convenient for the both ends of insulating seat 2 to carry out spacing joint to the bottom position of switching-over copper seat 4, draw-in groove 6 has all been seted up to the both sides of switching-over carbon sheet 3, the both ends that switching-over copper seat 4 and insulating seat 2 correspond the position with draw-in groove 6 all are fixed with fixture block 5, can carry out the joint to it is further spacing to it, reduce its removal at the rotation process, prevent that it breaks away from, draw-in groove 6 is the arc indent structure, and be semi-circular structure, improve the stability of joint.
Examples
For a further optimization of anti-loosening motor commutator provided in embodiment 1, as shown in fig. 2 and 3, the inner side of the commutating carbon sheet 3 is provided with a plurality of anti-loosening strips 7 with corrugated structures, the positions of the commutating copper seat 4 corresponding to the anti-loosening strips 7 are provided with anti-loosening grooves 8, the anti-loosening strips 7 with corrugated structures connect the commutating carbon sheet 3 and the commutating copper seat 4, the contact area of the commutating carbon sheet 3 and the anti-loosening strips is improved, the resistance is reduced, the heating value is reduced, the contact surface of the commutating copper seat 4 and the commutating carbon sheet 3 is connected by welding, the anti-loosening strips 11 are provided with a plurality of anti-loosening strips 11 and clamping grooves 10 on the insulating seat 2, the adjacent anti-loosening strips 11 are mutually perpendicular, the anti-loosening strips 11 with mutually perpendicular structures can limit the transverse movement and the longitudinal movement of the commutating copper seat 4, and the deflection condition can further reduce the loosening condition, the locating holes 9 corresponding to the locating pins 12 are provided on the commutating copper seat 4, the bottom ends of the locating pins 12 are of the spherical structure, the connection is convenient, and the connection stability is improved.
The utility model provides a use process of an anti-loosening motor commutator, which comprises the following steps: through installing the copper seat 4 that commutates in the insulating seat 2 on reversing insulator 1 to accessible pressure annotates the mode will install and connect, and at the copper seat 4 pressure annotates the shaping in-process of commutating, the anticreep piece 11 that commutating copper seat 4 bottom set up realizes the purpose of joint with insulating seat 2, at the high-speed rotatory in-process of commutator, can carry out inseparable joint with insulating seat 2 through the anticreep piece 11 of expanding the structure outward, reduce its loose condition, make its connection inseparabler, and commutating carbon piece 3 peg graft with commutating copper seat 4 through locating pin 12, can quick butt joint be connected, conveniently stabilize the contact surface with commutating carbon piece 3 and commutating copper seat 4 and weld fast, can avoid the circumstances that commutating carbon piece 3 and commutating copper seat 4 take place to break away from with insulating seat 2 at the high-speed rotatory in-process of commutator, make its connection more stable.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (10)
1. The utility model provides a locking motor commutator that takes off, its includes reversing insulation body (1) and insulating seat (2) at reversing insulation body (1) outer lane evenly distributed, its characterized in that, the outside joint of insulating seat (2) is provided with reversing copper seat (4), the both sides of reversing copper seat (4) are spacing through the both ends baffle that is located insulating seat (2), the outside joint of reversing copper seat (4) has reversing carbon piece (3), the inboard of reversing carbon piece (3) is pegged graft mutually with reversing copper seat (4) through locating pin (12), the inboard of reversing copper seat (4) is fixed with anticreep piece (11), anticreep piece (11) are the arc piece structure of outer expanding, just reversing copper seat (4) are through anticreep piece (11) and insulating seat (2) looks joint.
2. The anti-loosening motor commutator of claim 1, characterized in that the outer side of the commutation copper seat (4) is provided with an inner groove, and the commutation carbon sheet (3) is installed in the inner groove of the commutation copper seat (4).
3. A looseness-preventing motor commutator as claimed in claim 1, wherein the outer surface of the commutating carbon sheet (3) is flush with the outer surface of the commutating copper base (4).
4. The anti-loosening motor commutator as defined in claim 1, characterized in that one end of the commutation copper seat (4) is disposed on the inner side of the insulating seat (2), and the other end of the commutation copper seat (4) is disposed on the outer side of the insulating seat (2).
5. The anti-loosening motor commutator as defined in claim 4, in which the bottom of the outer end of the commutating copper seat (4) is of a stepped structure.
6. The anti-loosening motor commutator of claim 5, wherein clamping grooves (6) are formed in two sides of the commutating carbon sheet (3), and clamping blocks (5) are fixed at positions of the commutating copper base (4) and the insulating base (2) corresponding to the clamping grooves (6).
7. The anti-loosening motor commutator of claim 6, wherein the clamping groove (6) has an arc concave structure and a semicircular structure.
8. The anti-loosening motor commutator of claim 1, wherein a plurality of anti-loosening strips (7) with corrugated structures are arranged on the inner side of the commutation carbon sheet (3), anti-loosening grooves (8) are formed in positions of the commutation copper base (4) corresponding to the anti-loosening strips (7), and contact surfaces of the commutation copper base (4) and the commutation carbon sheet (3) are connected through welding.
9. The anti-loosening motor commutator as defined in claim 1, wherein a plurality of anti-loosening sheets (11) are provided, the anti-loosening sheets (11) are inserted into the clamping grooves (10) on the insulating base (2), and adjacent anti-loosening sheets (11) are arranged vertically to each other.
10. The anti-loosening motor commutator as defined in claim 1, wherein the commutating copper base (4) is provided with positioning holes (9) corresponding to the positioning pins (12), and the bottom ends of the positioning pins (12) are in a spherical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216714.3U CN220652523U (en) | 2023-08-17 | 2023-08-17 | Anti-loosening motor commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216714.3U CN220652523U (en) | 2023-08-17 | 2023-08-17 | Anti-loosening motor commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220652523U true CN220652523U (en) | 2024-03-22 |
Family
ID=90270779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322216714.3U Active CN220652523U (en) | 2023-08-17 | 2023-08-17 | Anti-loosening motor commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220652523U (en) |
-
2023
- 2023-08-17 CN CN202322216714.3U patent/CN220652523U/en active Active
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