CN218771500U

CN218771500U - Wiring device and alternating current motor

Info

Publication number: CN218771500U
Application number: CN202223183785.XU
Authority: CN
Inventors: 谢小莹; 孙文敏; 王森华; 李国祥
Original assignee: Hunan Longdesheng Electromechanical Technology Co ltd
Current assignee: Hunan Longdesheng Electromechanical Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-28
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a wiring device and discloses an alternating current motor with the wiring device, which comprises a winding component and an inserting component, wherein the inserting component is arranged at the extending end of the winding part, the winding part is of a flat plate structure and is provided with a through hole, the through hole is provided with a hook claw extending outwards, the hook claw and the winding part form a winding space, an enameled wire is welded on the hook claw, the inserting part is provided with a plurality of elastic pieces, and the elastic pieces and the inserting part form an accommodating space; the plug wire assembly comprises conductive plug strips and lead mounting ports connected with each other, the conductive plug strips are detachably plugged in the accommodating space, the conductive plug strips are abutted against the elastic sheets, the elastic sheets compress the conductive plug strips, and the lead mounting ports are matched with the leads. Efficiency when enameled wire and termination welding can be improved, realize the automation, enameled wire and termination's connection is also more stable.

Description

Wiring device and alternating current motor

Technical Field

The utility model relates to a stator coil connection technical field, in particular to termination and AC motor.

Background

The series motor is a motor commonly used in electric appliances and mainly comprises a stator and a rotor. The stator is composed of a stator core and a coil winding. The coil windings are wound around the inner pole pieces of the stator core such that current flows through the coil windings to generate an excitation flux.

In order to facilitate the winding of the stator coil winding and to make the coil winding more orderly, people often use a wire holder to support the enameled wire for winding. In the prior art, most of the enameled wires which are wound are connected with the connecting terminal of the wire frame through tin soldering, this type of connection is inefficient and not amenable to automation, and may cause problems with poor contact if the quality of the soldering is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a termination can improve the efficiency when enameled wire and termination welding, realizes automaticly, and the enameled wire is also more stable with termination's being connected.

The utility model discloses still provide an alternating current motor who has above-mentioned termination.

According to the utility model discloses a termination of first aspect embodiment includes: the winding assembly comprises a winding part and an insertion part, wherein the insertion part is arranged at the extending end of the winding part, the winding part is of a flat plate type structure, a through hole is formed in the winding part, a claw extending outwards is arranged in the through hole, a winding space is formed between the claw and the winding part, an enameled wire is welded on the claw, a plurality of elastic sheets are arranged on the insertion part, and an accommodating space is formed between the elastic sheets and the insertion part;

the wire inserting assembly comprises conductive inserting strips and lead installing ports which are connected with each other, the conductive inserting strips are detachably inserted into the containing space, the conductive inserting strips are abutted against the elastic sheets, the elastic sheets compress the conductive inserting strips, and the lead installing ports are matched with leads.

According to the utility model discloses termination has following beneficial effect at least: set up wire winding portion on the wire winding subassembly, wire winding portion can be used for the coiling enameled wire, thereby improve the firm degree of enameled wire installation on wire winding subassembly, wire winding portion sets up the hook that extends outward, the enameled wire coiling is on the hook, the enameled wire is accomplished the coiling back, fix the enameled wire on the hook through spot welding, the equipment that utilizes hook and spot welding can realize automaticly, the efficiency of installation is improved, still set up grafting portion on the wire winding subassembly, grafting portion can cooperate other part to connect the installation, it has electrically conductive cutting bar to peg graft in the grafting portion, the shell fragment in the grafting portion can compress tightly electrically conductive cutting bar, utilize the shell fragment to compress tightly, simple to operate, need not to accomplish the installation with the help of extra instrument, still include the lead wire installing port on the cutting wire subassembly, it can the easy-to install lead wire to set up the lead wire installing port, the termination of being convenient for is connected with other components and parts.

According to the utility model discloses a some embodiments, the claw with wire winding portion forms the spigot surface, the claw with angle between the wire winding portion is A, satisfies: a is more than or equal to 15 degrees and less than or equal to 45 degrees. The hook sets up certain angle, can be better with the enameled wire coiling on the hook, if the angle is when too little, in the enameled wire is difficult to stretch into the hook, if the angle is too big, the enameled wire is not stable enough when fixed.

According to some embodiments of the invention, the hook extends outwards in a direction away from the insertion part, and a projection of the hook in a vertical direction falls outside an outer contour line of the surface of the winding part. The installation of the lead wire can be prevented from being influenced by the hook claw.

According to some embodiments of the utility model, the hook by the punching press of wire winding portion forms, the shape and the size of hook with the mutual adaptation of through-hole, the outline of hook has circular arc transition processing. The hook claw is made through punching, can reduce the process, improves automation, and the hook claw sets up circular arc transition treatment, can avoid the edge of hook claw to damage the enameled wire.

According to some embodiments of the present invention, the wire winding assembly and the wire insertion assembly are made of an electrically conductive material.

According to the utility model discloses a some embodiments, the extension of wire winding portion is provided with the breach, the breach is followed the axis symmetry of through-hole sets up, be provided with the circular arc changeover portion on the breach. When the enameled wire is wound to the wiring device, the enameled wire is more firmly installed through the clamping position of the notch.

According to the utility model discloses a some embodiments, electrically conductive cutting is provided with first arch and second arch respectively, first arch with the second is protruding to be followed the axis symmetry of electrically conductive cutting sets up, first arch with the second is protruding to be set up on the upper portion of electrically conductive cutting, electrically conductive cutting is "T" style of calligraphy structure, first arch with the protruding restriction of second the depth of insertion of electrically conductive cutting. The T-shaped structure can realize positioning in the height direction and limit the depth of the conductive inserting strip inserted into the accommodating space.

According to some embodiments of the invention, the enameled wire is fixed on the hook claw by spot welding. Fix through spot welding, can realize the automation, improve production efficiency.

According to the utility model of a second aspect embodiment, the ac motor comprises the wiring device of the first aspect embodiment, the ac motor further comprises a stator core, which is provided with a plurality of mounting holes, and the mounting holes are through holes; the bottom of the wire frame is provided with a plurality of positioning columns which are inserted into the mounting holes, the wire frame is provided with a mounting part, the mounting part is matched with the winding assembly, and the winding assembly is mounted on the mounting part.

According to the utility model discloses alternating current motor has following beneficial effect at least: the stator core is provided with a mounting hole, the bottom of the coil holder is provided with a positioning column, the positioning column is inserted into the mounting hole, and the coil holder can fix the stator core, so that unstable connection between the stator cores is avoided; the wire frame is provided with the mounting part so as to facilitate the mounting of the wire winding assembly, and the efficiency of mounting the wire winding assembly can be improved.

According to some embodiments of the invention, the wire frame is made of an insulating material, and the wire frame is provided with an insulating coating at a position where the wire frame abuts against the wire insertion assembly. The insulating coating is arranged to avoid short circuit between the enameled wires.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic view of an ac motor according to an embodiment of the present invention;

fig. 2 is a schematic view of the wiring device according to the embodiment of the present invention mounted on a wire rack;

fig. 3 is an exploded view of a wiring device according to an embodiment of the present invention;

fig. 4 is a schematic view of a winding assembly according to an embodiment of the present invention;

fig. 5 is a schematic view of a patch cord assembly according to an embodiment of the present invention.

Reference numerals: a wiring connection device 100; a core 110; enameled wires 120; a wire frame 130; a positioning post 135; a winding assembly 140; a patch cord assembly 150; a mounting portion 160; a finger 170; a through hole 180; a notch 190; a spring plate 200; a conductive slip 210; a lead mounting port 220; a first protrusion 230; and a second projection 240.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 5, the winding assembly includes a winding portion and an insertion portion, the insertion portion is disposed at an extending end of the winding portion, the winding portion is of a flat plate structure, the winding portion is provided with a through hole 180, the through hole 180 is provided with a hook 170 extending outward, the hook 170 and the winding portion form a winding space, an enameled wire is welded on the hook 170, the insertion portion is provided with a plurality of spring pieces 200, and the spring pieces 200 and the insertion portion form an accommodating space; the wire inserting assembly 150 comprises conductive inserting strips 210 and lead installing ports 220 which are connected with each other, the conductive inserting strips 210 are detachably inserted into the accommodating space, the conductive inserting strips 210 abut against the elastic sheets 200, the elastic sheets 200 compress the conductive inserting strips 210, and the lead installing ports 220 are matched with leads. The enameled wire 120 can be wound on the claw 170, and then the automatic machine performs spot welding on the wound enameled wire 120, so that automation is realized, winding processes can be reduced, and later spot welding is easier. The wire insertion assembly 150 is provided with a lead mounting port 220, so that a lead can be conveniently connected into the wiring device 100, the wiring device 100 is favorable for mounting the lead, and the lead is connected with other components, so that a complete loop is formed. In some embodiments, the enamel wire 120 is wound around the finger 170, and the enamel wire is fixed to the finger 170 by spot welding.

The knuckle 170 forms a guiding surface with the winding portion, and the angle between the knuckle 170 and the winding portion is A, satisfies: a is more than or equal to 15 degrees and less than or equal to 45 degrees. The knuckle 170 sets up certain angle, can form the spigot surface, sets up certain angle and can make things convenient for more with enameled wire 120 winding on the knuckle 170, if the angle undersize between knuckle 170 and the wire winding portion, in enameled wire 120 is difficult to stretch into the knuckle 170, if the angle is too big, stable inadequately when enameled wire 120 is fixed, enameled wire 120 breaks away from outside the knuckle 170 easily. The claw 170 extends outwards along the direction deviating from the inserting part, the projection of the claw 170 in the vertical direction is dropped outside the outer contour line on the surface of the winding part, and when the lead wire is avoided to be installed, the claw 170 influences the installation of the lead wire. The hook claw 170 is formed by punching a winding part, the shape and size of the hook claw 170 are matched with those of the through hole 180, and the outer contour of the hook claw 170 is subjected to arc transition treatment. The hook claw 170 is made by stamping, so that the process can be reduced, the automation is improved, the hook claw 170 is provided with arc transition treatment, and the edge of the hook claw 170 can be prevented from damaging the enameled wire 120. The winding assembly 140 and the wire insertion assembly 150 are made of a conductive material, thereby completing the power transmission.

Referring to fig. 4, the extending section of the winding portion is provided with a notch 190, the notch 190 is symmetrically arranged along the axis of the through hole 180, and an arc transition section is arranged on the notch 190. When the enameled wire 120 is used for winding the claw 170, the enameled wire 120 firstly passes through the notch 190, then the claw 170 is wound, and then the wire is led out from the other notch 190 after the winding is completed, and the notch 190 is arranged, so that the firmness degree of the installation of the enameled wire 120 can be improved, and the condition of poor contact is reduced. The conductive cutting 210 is provided with a first protrusion 230 and a second protrusion 240 respectively, the first protrusion 230 and the second protrusion 240 are symmetrically arranged along the axis of the conductive cutting 210, the first protrusion 230 and the second protrusion 240 are arranged on the upper portion of the conductive cutting 210, the conductive cutting 210 is in a T-shaped structure, and the first protrusion 230 and the second protrusion 240 limit the insertion depth of the conductive cutting 210. The T-shaped structure can realize positioning in the height direction and limit the depth of the conductive cutting 210 inserted into the accommodating space.

Referring to fig. 1 to 3, in some embodiments, the wiring device 100 is applied to an ac motor, and the ac motor includes a stator core 110 having a plurality of mounting holes, which are through holes 180; the bottom of the wire frame 130 is provided with a plurality of positioning columns 135, the positioning columns 135 are inserted into the mounting holes, the wire frame 130 is provided with a mounting portion 160, the mounting portion 160 is matched with the winding assembly 140, and the winding assembly 140 is mounted on the mounting portion 160. The wire frame 130 is made of an insulating material, and an insulating coating is provided at a position where the wire frame 130 abuts the wire insertion assembly 150. One or more enamel wires 120 are clamped and fixed between the winding portion and the claw 170. The alternating current motor using the wiring device 100 with the structure can improve the assembly efficiency, the wiring device 100 is more stable, and the use experience of a user can be improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A wiring device, comprising:

the winding assembly comprises a winding part and an insertion part, wherein the insertion part is arranged at the extending end of the winding part, the winding part is of a flat plate type structure, a through hole is formed in the winding part, a claw extending outwards is arranged in the through hole, a winding space is formed between the claw and the winding part, an enameled wire is welded on the claw, a plurality of elastic sheets are arranged on the insertion part, and an accommodating space is formed between the elastic sheets and the insertion part;

the wire inserting assembly comprises conductive inserting strips and lead installing openings which are connected with each other, the conductive inserting strips are detachably inserted into the accommodating space in a plugging mode, the conductive inserting strips abut against the elastic pieces, the elastic pieces compress the conductive inserting strips, and the lead installing openings are matched with leads.

2. The wiring device according to claim 1, wherein the claw forms a guide surface with the winding portion, and an angle a between the claw and the winding portion satisfies: a is more than or equal to 15 degrees and less than or equal to 45 degrees.

3. A connector according to claim 2, wherein the fingers extend outwardly away from the socket, the projection of the fingers in a vertical direction falling outside the outer contour of the surface of the winding portion.

4. The wiring device according to claim 3, wherein said fingers are stamped from said spool portion, said fingers are shaped and dimensioned to fit said through holes, and said fingers have a rounded outer profile.

5. The wiring lug of claim 1, wherein the wire winding assembly and the wire insertion assembly are made of an electrically conductive material.

6. The wiring device according to claim 1, wherein the extension of the winding portion is provided with notches, the notches are symmetrically arranged along the axis of the through hole, and the notches are provided with arc transition sections.

7. The wiring device according to claim 1, wherein the conductive strip is provided with a first protrusion and a second protrusion, the first protrusion and the second protrusion are symmetrically arranged along an axis of the conductive strip, the first protrusion and the second protrusion are arranged on the upper portion of the conductive strip, the conductive strip is in a T-shaped structure, and the first protrusion and the second protrusion limit the insertion depth of the conductive strip.

8. The wiring device according to claim 1, wherein the enamel wire is fixed to the claw by spot welding.

9. An alternating current machine, comprising:

a wiring device as claimed in any one of claims 1 to 8;

the stator core is provided with a plurality of mounting holes, and the mounting holes are through holes;

the bottom of the wire frame is provided with a plurality of positioning columns, the positioning columns are inserted into the mounting holes, the wire frame is provided with a mounting part, the mounting part is matched with the winding assembly, and the winding assembly is mounted on the mounting part.

10. An alternating current machine according to claim 9, wherein the bobbin is made of an insulating material and an insulating coating is provided where the bobbin abuts the plug wire assembly.