CN218472322U - Conducting strip, stator module and external rotor electric machine that motor was used - Google Patents
Conducting strip, stator module and external rotor electric machine that motor was used Download PDFInfo
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- CN218472322U CN218472322U CN202222628393.3U CN202222628393U CN218472322U CN 218472322 U CN218472322 U CN 218472322U CN 202222628393 U CN202222628393 U CN 202222628393U CN 218472322 U CN218472322 U CN 218472322U
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- conducting strip
- insulating support
- stator module
- external rotor
- electric machine
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Abstract
The utility model discloses a conducting strip that motor was used, stator module and external rotor electric machine, external rotor electric machine includes stator module, external rotor and cover barrel seat, cover barrel seat includes end plate and sleeve, be provided with a plurality of terminal hole on the end plate, stator module includes stator core, the tip is insulating, coil winding, insulating support and a plurality of conducting strip, insulating support installs on a tip is insulating, a plurality of slots that are used for installing the conducting strip have been seted up on the insulating support, the conducting strip includes the conducting strip body, be provided with the linkage part that is used for the crimping wire rod on the preceding terminal surface of conducting strip body, linkage part includes line ball piece and connection piece, the connection piece is used for connecting conducting strip body and line ball piece, the line ball piece, enclose into the bayonet socket that is used for placing the wire rod between connection piece and the conducting strip body, the conducting strip is worn out the end plate of cover barrel seat through the terminal hole, the conducting strip left side, the conducting strip both sides are unanimous to the creepage distance of the lateral wall in terminal hole respectively, a plurality of coil winding is drawn forth, a plurality of root lacquer package lead wire and a plurality of being connected with a plurality of electricity.
Description
The technical field is as follows:
the utility model relates to a conducting strip, stator module and external rotor electric machine that motor was used.
Background art:
present external rotor electric machine includes stator module, the outer rotor and the cover seat 20A of stator module outside are located to the cover, cover seat 20A includes the end plate and sets up the sleeve 202A at end plate 201A intermediate position, sleeve 202A outside is located to the stator module cover, stator module generally includes stator core, end insulation and coil winding, end insulation installs the coil winding group of coiling behind stator core's both ends, coil winding and external controller electricity are connected in order to realize stator module, generally all can install a plurality of conducting strip 10A on end insulation, be provided with a plurality of terminal hole 30A on the end plate 201A, a plurality of conducting strip 10A corresponds with a plurality of terminal hole 30A, conducting strip 10A wears out sleeve seat 20A's end plate 201A through the terminal hole 30A that corresponds, a plurality of enameled wire that coil winding draws realize through 10A with external controller's electricity is connected.
As shown in fig. 1 to fig. 3, the conventional conductive sheet 10A includes a conductive sheet body 1A, a wire pressing piece 2A for crimping a wire is disposed on the right side of the conductive sheet body 1A, and the wire pressing piece 2A is bent to the left side to form a bayonet 4A for crimping the wire, because the wire pressing piece 2A is disposed on the right side of the conductive sheet body 1A, the conductive sheet 10A cannot form a symmetrical structure, when the conductive sheet 10A is applied to an external rotor motor, creepage distances L1A and L2A from the left and right sides of the conductive sheet 10A to the side walls of the terminal holes 30A of the end plate 201A of the sleeve seat 20A, respectively, are inconsistent, specifically, creepage distance L2A from the side where the wire pressing piece 2A is located to the side walls of the terminal holes 30A is relatively small, so that the motor has a potential safety hazard of poor withstand voltage; in addition, the conventional conducting plate 10A is directly inserted into the slot with the end portion insulated, so that the conducting plate 10A is easily loosened from the end portion insulated.
The invention content is as follows:
an object of the utility model is to provide a conducting strip, stator module and external rotor electric machine for motor, the line ball piece that can solve the conducting strip among the prior art is located one side of conducting strip body, and when installing the conducting strip on the end insulation, the creepage distance at one side at line ball piece place to the lateral wall in terminal hole is little relatively for there is the technical problem of withstand voltage bad potential safety hazard in the motor.
Another object of the utility model is to provide a conducting strip, stator module and external rotor electric machine that motor was used, the conducting strip that can solve among the prior art all is direct cartridge in the slot of tip insulation setting for the easy pine of conducting strip takes off the technical problem.
The purpose of the utility model is realized by the following technical scheme.
The utility model discloses a first purpose provides a conducting strip for motor, including the conducting strip body, be provided with the coupling part that is used for the crimping wire rod in the below intermediate position of the preceding terminal surface of conducting strip body, coupling part includes line ball piece and connection piece, and the connection piece is used for connecting conducting strip body and line ball piece, encloses into the bayonet socket that is used for placing the wire rod between line ball piece, connection piece and the conducting strip body, the bayonet socket orientation the top of conducting strip body.
Preferably, the connecting sheet is an arc-shaped plate body or a straight-line-shaped plate body.
Preferably, the left and right sides of the lower portion of the conductive plate body are respectively provided with an inverted buckle extending outwards.
Preferably, the left side and the right side of the lower part of the conductive sheet body extend outwards to form positioning protrusions respectively, and the positioning protrusions are located above the inverted buckle.
Preferably, a positioning through hole is formed in the upper portion of the conductive sheet body.
A second object of the utility model is to provide a stator module, including stator core, tip insulation, coil winding, insulating support and a plurality of conducting strip, the coil winding is coiled after stator core's both ends to tip insulation installation, and insulating support installs on a tip insulation, sets up a plurality of slots that are used for installing the conducting strip on the insulating support, the conducting strip is the aforesaid a conducting strip for motor, the conducting strip clamps in the slot that corresponds through the back-off, the protruding supporting in location of conducting strip is on insulating support's terminal surface, the coupling part of conducting strip exposes in insulating support, a plurality of varnished cloth lead wires that the coil winding was drawn forth are connected with a plurality of conducting strip electricity.
A third object of the utility model is to provide an external rotor electric machine, locate the external rotor and the sleeve seat of stator module outside including stator module, cover, the sleeve seat includes the end plate and sets up the sleeve at the end plate intermediate position, and the sleeve outside is located to the stator module cover, is provided with a plurality of terminal hole on the end plate, stator module is above-mentioned a stator module, a plurality of terminal hole corresponds with a plurality of conducting strip on the stator module, and the conducting strip wears out the end plate of sleeve seat through the terminal hole that corresponds, and the conducting strip left and right both sides are unanimous to creepage distance L1, the L2 of the lateral wall in terminal hole respectively.
Compared with the prior art, the utility model, following effect has:
1) The utility model provides a conducting strip for motor sets up on the preceding terminal surface of conducting strip body through the coupling part that will be used for the crimping wire rod for conducting strip left and right both sides structure is unanimous, and when using the conducting strip of this scheme to external rotor electric machine on, can ensure that the conducting strip left and right both sides are unanimous to the creepage distance of the lateral wall in the terminal hole on the end plate of external rotor electric machine's cover barrel seat respectively, can ensure to have sufficient creepage distance between conducting strip and the cover barrel seat, makes the motor withstand voltage good.
2) The utility model provides a conducting strip for motor is provided with the back-off through the left and right both sides at the lower part position of conducting strip body respectively toward outer extension, and when using the conducting strip of this scheme to external rotor electric machine on, the conducting strip clamps in the slot that insulating support set up through the back-off to can effectively strengthen the installation intensity of conducting strip, avoid the conducting strip pine to take off.
3) Other advantages of the present invention will be described in detail in the detailed description of the embodiments.
Description of the drawings:
fig. 1 is a schematic perspective view of a conductive sheet provided for the prior art;
fig. 2 is a schematic structural view of a state of use of a conductive sheet provided for the related art;
FIG. 3 is an enlarged schematic view of portion A provided for FIG. 2;
fig. 4 is a schematic perspective view of a conductive sheet according to an embodiment of the present invention;
fig. 5 is a schematic front view of a conductive sheet according to an embodiment of the present invention;
fig. 6 is a schematic right-view structural diagram of a conductive sheet according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a stator assembly according to a second embodiment of the present invention;
fig. 8 is an exploded schematic view of a stator assembly according to a second embodiment of the present invention;
fig. 9 is a schematic perspective view of an external rotor electric machine according to a third embodiment of the present invention;
fig. 10 is an exploded schematic structural view of an external rotor electric machine according to a third embodiment of the present invention;
fig. 11 is a schematic top view of an external rotor motor according to a third embodiment of the present invention;
fig. 12 is an enlarged structural view of a portion B provided for fig. 11.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 4 to 6, the embodiment provides a conductive sheet for a motor, including a conductive sheet body 1, a connection portion 10 for crimping a wire is disposed at a middle position below a front end surface of the conductive sheet body 1, the connection portion 10 is formed by punching and bending a cut portion from the conductive sheet body 1, the connection portion 10 includes a wire pressing piece 2 and a connection piece 3, the connection piece 3 is used to connect the conductive sheet body 1 and the wire pressing piece 2, a bayonet 4 for placing the wire is enclosed between the wire pressing piece 2, the connection piece 3 and the conductive sheet body 1, so that structures of left and right sides of the conductive sheet 40 are consistent, when the conductive sheet 40 of the present scheme is applied to an external rotor motor, it can be ensured that creepage distances from left and right sides of the conductive sheet 40 to side walls of terminal holes 703 on an end plate 701 of a sleeve seat 70 of the external rotor motor are consistent, it can be ensured that there is a sufficient creepage distance between the conductive sheet 40 and the sleeve seat 70, so that the motor is good in withstand voltage; specifically, the connecting sheet 3 is an arc-shaped plate or a straight-line-shaped plate.
The bayonet 4 faces the upper part of the conducting strip body 1, so that paying-off is facilitated, and wiring is more convenient.
The left side and the right side of the lower part of the conducting strip body 1 are respectively provided with an inverted buckle 5 in an outward extending mode, and specifically, the cross section of each inverted buckle 5 is in a right-angled triangle shape; when using the conducting strip 40 of this scheme to the external rotor electric machine on, conducting strip 40 clamps in the slot 301 that insulating support 30 set up through back-off 5 to can effectively strengthen conducting strip 40's installation intensity, avoid conducting strip 40 pine to take off.
The left side and the right side of the lower part of the conducting strip body 1 are respectively provided with a positioning bulge 6 in an outward extending mode, the positioning bulges 6 are positioned above the inverted buckle 5, and when the conducting strip 40 of the scheme is applied to an outer rotor motor, the positioning bulges can be supported on the end face of the insulating support 30 of the stator assembly 50, so that the conducting strip 40 can be effectively prevented from swinging on the insulating support 30, and the conducting strip 40 is more stably installed.
A positioning through hole 7 is formed in the upper portion of the conductive plate body 1.
Example two:
as shown in fig. 7 and 8, the present embodiment provides a stator assembly, which includes a stator core 8, an end portion insulator 9, a coil winding 20, an insulating support 30, and a plurality of conducting strips 40, where the end portion insulator 9 is installed at two ends of the stator core 8, the coil winding 20 is wound around the end portion insulator 9, the insulating support 30 is installed on the end portion insulator 9, a plurality of slots 301 for installing the conducting strips 40 are opened on the insulating support 30, the conducting strips 40 are conducting strips for a motor according to the first embodiment, the conducting strips 40 are clamped in the corresponding slots 301 through the inverse buckles 5, the positioning protrusions of the conducting strips 40 are supported on the end surface of the insulating support 30, the connection portions 10 of the conducting strips 40 are exposed out of the insulating support 30, and a plurality of enameled leads led out from the coil winding 20 are electrically connected to the conducting strips 40.
Example three:
as shown in fig. 9 to 12, the embodiment provides an external rotor electric machine, which includes a stator assembly 50, an external rotor 60 sleeved outside the stator assembly 50, and a sleeve base 70, where the sleeve base 70 includes an end plate 701 and a sleeve 702 disposed at a middle position of the end plate 701, the stator assembly 50 is sleeved outside the sleeve 702, the end plate 701 is provided with a plurality of terminal holes 703, the stator assembly 50 is the stator assembly according to the second embodiment, the terminal holes 703 correspond to the plurality of conductive sheets 40 on the stator assembly 50, the conductive sheets 40 penetrate through the end plate 701 of the sleeve base 70 through the corresponding terminal holes 703, and creepage distances L1 and L2 from left and right sides of the conductive sheets 40 to side walls of the terminal holes 703 are the same.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present invention are equivalent replacement modes, and all are included in the scope of the present invention.
Claims (7)
1. The utility model provides a conducting strip for motor, includes conducting strip body (1), its characterized in that: a connecting portion (10) used for crimping wires is arranged at the middle position below the front end face of a conducting strip body (1), the connecting portion (10) comprises wire pressing pieces (2) and connecting pieces (3), the connecting pieces (3) are used for connecting the conducting strip body (1) with the wire pressing pieces (2), bayonets (4) used for placing the wires are formed among the wire pressing pieces (2), the connecting pieces (3) and the conducting strip body (1) in a surrounding mode, and the bayonets (4) face towards the upper portion of the conducting strip body (1).
2. The conductive sheet for an electric machine according to claim 1, wherein: the connecting piece (3) is an arc-shaped plate body or a straight-line-shaped plate body.
3. The conductive sheet for a motor according to claim 1 or 2, wherein: and reverse buckles (5) respectively extend outwards from the left side and the right side of the lower part of the conducting strip body (1).
4. The conductive sheet for an electric machine according to claim 3, wherein: and positioning bulges (6) are respectively arranged on the left side and the right side of the lower part of the conducting strip body (1) in an outward extending manner, and the positioning bulges (6) are positioned above the inverted buckle (5).
5. The conductive sheet for a motor according to claim 4, wherein: and a positioning through hole (7) is formed in the upper part of the conducting strip body (1).
6. The utility model provides a stator module, includes stator core (8), end insulation (9), coil winding (20), insulating support (30) and a plurality of conducting strip (40), and coil winding (20) are coiled after the both ends of stator core (8) are installed in end insulation (9), and insulating support (30) are installed on end insulation (9), offer a plurality of slots (301) that are used for installing conducting strip (40) on insulating support (30), its characterized in that: the conducting strip (40) is the conducting strip for the motor as claimed in any one of claims 1 to 5, the conducting strip (40) is clamped in the corresponding slot (301) through the reverse buckle (5), the positioning protrusion of the conducting strip (40) is supported on the end face of the insulating support (30), the connecting part (10) of the conducting strip (40) is exposed out of the insulating support (30), and a plurality of enameled leads led out from the coil winding (20) are electrically connected with the conducting strips (40).
7. The utility model provides an external rotor electric machine, includes stator module (50), cover and locates external rotor (60) and sleeve seat (70) of stator module (50) outside, sleeve seat (70) include end plate (701) and set up sleeve (702) at end plate (701) intermediate position, sleeve (702) outside is located to stator module (50) cover, is provided with a plurality of terminal hole (703) on end plate (701), its characterized in that: the stator assembly (50) is the stator assembly of claim 6, the plurality of terminal holes (703) correspond to the plurality of conductive strips (40) on the stator assembly (50), the conductive strips (40) penetrate through the end plate (701) of the sleeve base (70) through the corresponding terminal holes (703), and creepage distances L1 and L2 from the left side and the right side of the conductive strips (40) to the side wall of the terminal holes (703) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222628393.3U CN218472322U (en) | 2022-10-08 | 2022-10-08 | Conducting strip, stator module and external rotor electric machine that motor was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222628393.3U CN218472322U (en) | 2022-10-08 | 2022-10-08 | Conducting strip, stator module and external rotor electric machine that motor was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218472322U true CN218472322U (en) | 2023-02-10 |
Family
ID=85144134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222628393.3U Active CN218472322U (en) | 2022-10-08 | 2022-10-08 | Conducting strip, stator module and external rotor electric machine that motor was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218472322U (en) |
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2022
- 2022-10-08 CN CN202222628393.3U patent/CN218472322U/en active Active
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