CN212183199U

CN212183199U - Fan stator

Info

Publication number: CN212183199U
Application number: CN202021246085.9U
Authority: CN
Inventors: 郑林森
Original assignee: Wenzhou Jason Fan Manufacturer Co ltd
Current assignee: Wenzhou Jason Fan Manufacturer Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-18
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a fan stator, including stator winding and stator core, stator core is the profile of tooth stator core that is folded by the blade of silicon steel of a plurality of outer ring week equipartition profile of tooth structures, forms the rule groove between two adjacent profiles of tooth stator core, stator core be provided with the insulator outward, stator winding including twine in enameled wire on the rule groove, be provided with a plurality of connection terminal on the insulator, be provided with the slot on the connection terminal, be provided with electrically conductive piece in the slot, the tip winding of enameled wire is on the metal fastener that is used for abolishing the tip insulating layer of enameled wire, the metal fastener set up in the slot and meet with electrically conductive piece. Through adopting above-mentioned technical scheme, twine the tip of enameled wire on the metal fastener, then insert the slot with the metal fastener in, can abolish the tip insulating layer of enameled wire, then meet switching on of realization circuit through metal fastener and electrically conductive, the installation is simple, convenient operation, efficient.

Description

Fan stator

Technical Field

The utility model relates to a fan technical field especially relates to a fan stator.

Background

The stator of the fan is one of the important components of the fan for driving the fan to rotate, and the main function of the stator of the fan is to generate a rotating magnetic field. The fan stator generally comprises a stator winding, a stator core and an insulating base, wherein the stator core is a tooth-shaped stator core formed by stacking a plurality of silicon steel sheets, a slot is formed in the outer edge of the tooth-shaped stator core, the existing fan stator is a tooth-shaped stator assembly formed by wrapping two ends of the stator core by the insulating base, namely, the outer edge of the insulating base is provided with a tooth-shaped structure which is the same as that of the stator core, the stator winding is wound on the stator assembly to ensure the insulation between the stator winding and the stator core, the existing stator winding is generally wound on the slot by using an enameled wire, then the end parts of the enameled wire are clamped and fixed together through three copper rings to realize conductive connection, then a PCBA board is provided with a connecting sheet, and the connecting sheet is contacted with. However, the connection between the end of the enameled wire of the stator and the copper ring needs to be processed first, and the connection between the copper ring and the PCBA board is also troublesome, the copper ring needs to be sleeved on the end, and then the connection piece of the PCBA board is welded.

SUMMERY OF THE UTILITY MODEL

To sum up, for overcoming the not enough of prior art, the utility model provides a fan stator.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fan stator, includes stator winding and stator core, stator core is the profile of tooth stator core that is folded by the blade of silicon steel of a plurality of outer ring week equipartition profile of tooth structures, forms the rule groove between two adjacent profiles of tooth stator core, stator core be provided with the insulator outward, stator winding including twine in enameled wire on the rule groove, be provided with a plurality of connection terminal on the insulator, be provided with the slot on the connection terminal, be provided with electrically conductive in the slot, the tip winding of enameled wire is on the metal fastener that is used for abolishing the tip insulating layer of enameled wire, the metal fastener set up in the slot and meet with electrically conductive.

Through adopting above-mentioned technical scheme, twine the tip of enameled wire on the metal fastener, then insert the slot with the metal fastener in, can break the tip insulating layer of enameled wire, then meet switching on of realization circuit through metal fastener and electrically conductive piece, the installation is simple, convenient operation, high efficiency, simultaneously through setting up the slot, electrically conductive piece and metal fastener all set up in the slot, compare in prior art binding post directly insert on the line frame or adopt the welding, this technical scheme simple structure, stability is high and it is more convenient to install.

The utility model discloses further set up: the metal clamping piece is arranged between the slot and the conductive piece, one end of the metal clamping piece corresponding to the conductive piece is the upper end, a contact part used for being connected with the conductive piece is arranged at the upper end of the metal clamping piece, a shearing part used for breaking an end insulating layer of the enameled wire is arranged at the lower end of the metal clamping piece, a clamping groove is formed in the contact part, and one end of the conductive piece is clamped in the clamping groove.

Through adopting above-mentioned technical scheme, twine the tip of enameled wire on the metal fastener, through the tip insulating layer that cuts the portion and abolish the enameled wire, the structure through the metal fastener realizes abolishing of the tip insulating layer of enameled wire, need not other processing, and is simple and convenient, efficient, is provided with on the contact site to be used for the card to establish the draw-in groove of electrically conductive piece for contact between them is more stable, plays the restriction effect to electrically conductive piece simultaneously, improves stability.

The utility model discloses further set up: the width of metal fastener with the groove width looks adaptation of slot, cut the portion and include two hook portions that set up relatively, the tip of enameled wire sets up between two hook portions, metal fastener side is provided with wide extrusion portion narrow down, and under the state that extrusion portion got into the slot, metal fastener lower extreme received the extrusion, and two hook portions are gradually close to, and metal fastener upper end received the extrusion, electrically conductive piece and draw-in groove interference fit.

Through adopting above-mentioned technical scheme, twine the tip of enameled wire on the metal fastener, then insert a slot in-process with the metal fastener, when extrusion portion got into the slot, the extrusion portion received the lower extreme that slot inner wall extrusion drove the metal fastener and received the extrusion, thereby two hook portions progressively were close to and abolished the insulating layer of the tip of enameled wire between two hook portions, and metal fastener upper end receives the extrusion simultaneously, electrically conductive piece and draw-in groove interference fit for both meet more stably, need not other processing or other steps, realize simultaneously that the insulating layer of the tip of enameled wire abolished and electrically conductive piece and draw-in groove interference fit accomplishing the in-process that the metal fastener inserted the slot, easy operation, it is efficient.

The utility model discloses further set up: the conductive piece comprises an inserting portion and a conductive portion, the inserting portion is clamped in the clamping groove, an upper cover is arranged above the insulating seat, a fixing portion used for fixing the conductive piece and an anti-falling portion used for preventing the metal clamping piece from falling off are arranged on the upper cover, and a through hole for the conductive portion to pass through is formed in the fixing portion.

Through adopting above-mentioned technical scheme, through installing the upper cover for electrically conductive piece connects more firmly, shelters from stator winding simultaneously, prevents that the metal fastener from droing, reinforcing structural stability.

The utility model discloses further set up: the insulating base with the connection terminal adopts high temperature resistant soft material integrated into one piece.

Through adopting above-mentioned technical scheme, adopt high temperature resistant soft nature material, difficult intensification compares in prior art insulating seat and adopts two halves formula, then through the welding synthesis, this technical scheme integrated into one piece need not additional processing, and production efficiency is high, and stability is high.

The following describes embodiments of the present invention with reference to the drawings and examples.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a structural diagram of a stator winding and an insulating base according to an embodiment of the present invention;

fig. 3 is a structural diagram of a conductive member and a metal clip member according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of an embodiment of the invention;

FIG. 5 is an enlarged view of the portion A of FIG. 4

Reference numerals: 1. the stator comprises a stator winding, 11 enameled wires, 2 stator cores, 3 wire embedding grooves, 4 insulating seats, 41 wire holders, 411 slots, 5 conductive parts, 51 inserting parts, 52 conductive parts, 6 metal clamping parts, 61 contact parts, 611 clamping grooves, 62 shearing parts, 621 hook parts, 63 extrusion parts, 7 upper covers, 71 fixing parts, 711 through holes and 72 anti-falling parts.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

Referring to fig. 1-5, the stator of the fan disclosed in this embodiment includes a stator winding 1 and a stator core 2, where the stator core 2 is a tooth-shaped stator core 2 formed by stacking a plurality of silicon steel sheets with uniformly distributed tooth-shaped structures around the outer circumference, a slot 3 is formed between two adjacent tooth shapes of the tooth-shaped stator core 2, an insulating base 4 is disposed outside the stator core 2, the stator winding 1 includes an enameled wire 11 wound around the slot 3, a plurality of wire holders 41 are disposed on the insulating base 4, a slot 411 is disposed on the wire holder 41, a conductive piece 5 is disposed in the slot 411, an end of the enameled wire 11 is wound on a metal clip 6 for breaking an end insulating layer of the enameled wire 11, and the metal clip 6 is disposed in the slot 411 and connected to the conductive piece 5.

The embodiment further provides that: the metal clamping piece 6 is arranged between the slot 411 and the conductive piece 5, one end of the metal clamping piece 6 corresponding to the conductive piece 5 is an upper end, a contact part 61 used for being connected with the conductive piece 5 is arranged at the upper end of the metal clamping piece 6, a shearing part 62 used for breaking an end insulating layer of the enameled wire 11 is arranged at the lower end of the metal clamping piece, a clamping groove 611 is arranged on the contact part 61, and one end of the conductive piece 5 is clamped in the clamping groove 611.

The embodiment further provides that: the width of metal fastener 6 with slot 411's groove width looks adaptation, cut portion 62 and include two hook portion 621 that set up relatively, the tip of enameled wire 11 sets up between two hook portion 621, metal fastener 6 side is provided with narrow extrusion portion 63 down wide, and under extrusion portion 63 got into slot 411's state, metal fastener 6 lower extreme received the extrusion, and two hook portion 621 progressively are close to, and metal fastener 6 upper end received the extrusion, electrically conductive 5 and draw-in groove 611 interference fit.

The embodiment further provides that: the conductive piece 5 comprises an insertion part 51 and a conductive part 52, the insertion part 51 is clamped in the clamping groove 611, an upper cover 7 is arranged above the insulating base 4, a fixing part 71 for fixing the conductive piece 5 and an anti-falling part 72 for preventing the metal clamping piece 6 from falling off are arranged on the upper cover 7, and a through hole 711 for the conductive part 52 to pass through is arranged on the fixing part 71.

The embodiment further provides that: the insulation seat 4 and the wire holder 41 are integrally formed by high-temperature-resistant soft materials.

The above-mentioned "between" does not only mean between the orientation and the position, but also means between the interaction of the different parts, and the above-mentioned "up, down, left and right" are described relatively only for the convenience of description and understanding, and do not exclude the use of other possibilities.

Although terms such as the stator winding 1, the enamel wire 11, the stator core 2, the slot-in groove 3, the insulating base 4, the wire holder 41, the slot 411, the conductive member 5, the inserting portion 51, the conductive portion 52, the metal clip 6, the contact portion 61, the slot 611, the scissor portion 62, the hook portion 621, the pressing portion 63, the upper cover 7, the fixing portion 71, the through hole 711, and the coming-off preventing portion 72 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a fan stator, includes stator winding and stator core, stator core is the profile of tooth stator core that the blade of silicon steel of a plurality of outer ring week equipartition profile of tooth structures is folded, forms the rule groove between two adjacent profiles of tooth stator core, stator core be provided with insulating seat outward, stator winding including twine in enameled wire on the rule groove, its characterized in that: the enameled wire comprises an insulating base and is characterized in that a plurality of wire holders are arranged on the insulating base, slots are formed in the wire holders, conductive pieces are arranged in the slots, the end portions of the enameled wires are wound on metal clamping pieces used for breaking end insulating layers of the enameled wires, and the metal clamping pieces are arranged in the slots and are connected with the conductive pieces.

2. A fan stator according to claim 1, wherein: the metal clamping piece is arranged between the slot and the conductive piece, one end of the metal clamping piece corresponding to the conductive piece is the upper end, a contact part used for being connected with the conductive piece is arranged at the upper end of the metal clamping piece, a shearing part used for breaking an end insulating layer of the enameled wire is arranged at the lower end of the metal clamping piece, a clamping groove is formed in the contact part, and one end of the conductive piece is clamped in the clamping groove.

3. A fan stator according to claim 2, wherein: the width of metal fastener with the groove width looks adaptation of slot, cut the portion and include two hook portions that set up relatively, the tip of enameled wire sets up between two hook portions, metal fastener side is provided with wide extrusion portion narrow down, and under the state that extrusion portion got into the slot, metal fastener lower extreme received the extrusion, and two hook portions are gradually close to, and metal fastener upper end received the extrusion, electrically conductive piece and draw-in groove interference fit.

4. A fan stator according to claim 2, wherein: the conductive piece comprises an inserting portion and a conductive portion, the inserting portion is clamped in the clamping groove, an upper cover is arranged above the insulating seat, a fixing portion used for fixing the conductive piece and an anti-falling portion used for preventing the metal clamping piece from falling off are arranged on the upper cover, and a through hole for the conductive portion to pass through is formed in the fixing portion.

5. A fan stator according to claim 1, wherein: the insulating base with the connection terminal adopts high temperature resistant soft material integrated into one piece.