CN211266647U - Wiring terminal of shaded pole motor - Google Patents

Abstract

The utility model discloses a binding post of shaded pole motor, including terminal main part, end foot, connection foot, sleeve and elasticity preforming, the end foot reaches the connection foot is followed the downside of terminal main part outwards extends, the sleeve set up in the upside of terminal main part and power supply line pass, the elasticity preforming has elasticity portion and pressure portion, the elastic force of elasticity portion orders about pressure portion supports and presses on the electric wire. The utility model discloses but the binding post high-speed joint electric wire of shaded pole motor connects stably and can realize stator winding's automatic equipment, effectively improves the packaging efficiency.

Description

Wiring terminal of shaded pole motor

Technical Field

The utility model relates to a shaded pole motor especially relates to a binding post of shaded pole motor.

Background

The connection between the wire and the external wire of the conventional shaded pole motor bobbin cannot be automatically assembled by a machine because the conventional bobbin does not have a quick-connection terminal; during assembly, the electric wire on the winding frame and the external electric wire can be welded and fixed manually, so that the welding speed is low, the labor intensity is high, only conductive contact points are small after welding, the electric wire is easy to break, the motor cannot work, and the stability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a binding post of shaded pole motor, but its high-speed joint electric wire connects stably and can realize stator winding's automatic equipment, improves the packaging efficiency.

In order to achieve the above object, the utility model provides a binding post of shaded pole motor includes terminal main part, end foot, connects foot, sleeve and elasticity preforming, the end foot reaches it follows to connect the foot the outside extension of downside of terminal main part, the sleeve set up in the upside of terminal main part and power supply line pass, the elasticity preforming has elasticity portion and supports the splenium, the elastic force of elasticity portion orders about support the splenium and support and press on the electric wire.

Compared with the prior art, the utility model is arranged on the sleeve, the sleeve can be sleeved with the electric wire, and the elastic part and the pressing part are arranged to drive the pressing part to press the electric wire, so that the electric wire can be directly, quickly and detachably connected to the connecting terminal, the connection is firm and stable, and the connection is simple, quick and convenient; and, through set up end foot and connection foot under the terminal main part, utilize the end foot can make binding post can fix a position the equipment with the bobbin fast accurately, and the connection foot can be connected with the electric wire on the bobbin fast equally, therefore, whole binding post enables the stator winding of cover electromechanical machine and can realize automatic equipment, effectively improves the packaging efficiency.

Specifically, the pressing part is arranged obliquely relative to the central axis of the sleeve, so that the electric wire can only be inserted into one end of the sleeve and the electric wire is limited to be withdrawn from the end. The pressing part is obliquely arranged, so that the side surface of the pressing part forms a pushing inclined surface, when the electric wire is directly inserted into the sleeve, the pressing part can be automatically and elastically avoided through the pushing inclined surface, the electric wire is rapidly and freely inserted and fixed, when the electric wire is reversely withdrawn, the pressing part can be reversely bent to be in a blocked state, the electric wire is prevented from being accidentally separated from the sleeve, and the stability and the fixity of the electric wire connection are greatly improved.

Specifically, one side of the pressing part facing the sleeve is provided with an arc-shaped surface wrapping the electric wire. Through setting up the arcwall face can make its area of contact with the electric wire bigger, further improves the electric wire anticreep ability of withstand voltage portion.

Specifically, the connecting pin is provided with a recess for winding the power supply line. Therefore, the electric wire on the winding frame and the connecting pin can be wound more firmly, and the electric wire is prevented from falling off.

Specifically, the terminal main body, the terminal pin, the connecting pin, the sleeve and the elastic pressing piece are of an integrally formed structure.

Specifically, the side wall of the sleeve has a protrusion bent in a direction to press the electric wire together with the elastic pressing piece. Therefore, the electric wire can be more firmly connected with the wiring terminal, and the electric wire is prevented from falling off.

Drawings

Fig. 1 is a perspective view of a stator winding of a shaded-pole motor according to the present invention.

Fig. 2 is a perspective view of the bobbin for the stator winding of the shaded-pole motor of the present invention.

Enlarged view of portion A in FIG. 2 of FIG. 3

Enlarged view of portion B of FIG. 2 of FIG. 4

Fig. 5 is a side view of the bobbin for the stator winding of the shaded-pole motor of the present invention.

Fig. 6 is a plan view of the bobbin for the stator winding of the shaded-pole motor of the present invention.

Fig. 7 is a perspective view of the connection terminal of the stator winding of the shaded pole motor of the present invention.

Fig. 8 is a perspective view of the connection between the connection terminal and the electric wire of the stator winding of the shaded pole motor according to the present invention.

Fig. 9 is a cross-sectional view of the connection terminal and the wire connection of the stator winding of the shaded pole motor of the present invention.

Fig. 10 is a flowchart of a method for packaging a terminal of a stator winding of a shaded pole motor according to the present invention.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

As shown in fig. 1 to 6, a stator winding 100 of a shaded-pole motor of the present invention includes a bobbin 1 around which a power supply line 200 is wound and a terminal block 2, wherein a side surface of the bobbin 1 is i-shaped; the both ends of bobbin 1 are equipped with mounting bracket 11, at least two constant head tank 111 have been seted up on mounting bracket 11, are provided with three constant head tank 111 on one of them mounting bracket 11 in this embodiment, are equipped with two constant head tanks 111 on another mounting bracket 11, binding post 2 peg graft in constant head tank 111. The edges of the two ends of the mounting rack 11 are provided with wire troughs 112 in an open state; an accommodating cavity 113 is formed below the positioning groove 111, and the accommodating cavity is respectively communicated with the wire groove 112 and the positioning groove 111, so that the wire 200 passes through the wire groove 112 from the inner side of the mounting bracket 11 to be wound to the outer side, passes through the accommodating cavity 113 and is electrically connected with the terminal 2. The wire groove 112 extends from both end edges of the mounting bracket 11 toward the middle and extends below the positioning groove 111. This makes it possible to make the wires 200 reach the connection terminals 2 at the shortest distance, thereby making the wire connection of the stator winding 100 simpler and more compact.

As shown in fig. 2 and fig. 3, the positioning groove 111 includes two insertion grooves 111a for inserting the two end pins 22 of the connection terminal 2 and a dispensing groove 111b for fixing the connection pin 23 of the connection terminal 2, and the dispensing groove 111b is exposed outside the mounting frame 11 in an open manner. The insertion groove 111a is provided with a guiding inclined surface 111c at the notch to guide the insertion of the terminal pin 22 during insertion. During assembly, the inserting groove 111a can position the wiring terminal 2 in advance, and the dispensing groove 111b can be used for injecting glue to fix the wiring terminal 2, so that the positioning and fixing processes can be realized mechanically, and the purpose of automatic assembly is achieved.

Referring to fig. 1, 2 and 4, the stator winding 100 of the shaded-pole motor further includes a fuse 3, wherein the mounting frame 11 on which the two connection terminals 2 are mounted is provided with a mounting groove 114, the mounting groove 114 is located in the middle of the inner side of the mounting frame 11 where the mounting groove 114 is located, and the two positioning grooves 111 are respectively located on two sides of the mounting groove 114. The fuse 3 is mounted on the mounting groove 114. The mounting bracket 11 is provided with a wiring groove 115 respectively communicated with the mounting groove 114 and the positioning groove 111, and the conductive lead of the fuse 3 is arranged in the wiring groove 115 and electrically connected with the wiring terminal 2 on the mounting bracket 11. Through setting up wiring groove 115, wiring groove 115 can collect the electrically conductive lead wire of insurance ware 3 and lead to electrically conductive lead wire to make things convenient for electrically conductive lead wire and binding post 2 to be connected, has favourable utilization automatic equipment. By arranging the mounting groove 114, the fuse 3 can be mounted in the mounting groove 114 in advance, and the fuse 3 can be directly connected through a lead after the winding of the winding frame 1, and the manual placement is not needed, so that the full-automatic assembly is suitable, the assembly efficiency is high, and the safety is safe and reliable.

As shown in fig. 2 and 4, the mounting groove 114 is exposed to the inside of the mounting bracket 11 in an open manner, and the upper side of the mounting groove 114 has an opening structure 114 a. Therefore, the fuse 3 can quickly detect the temperature on the winding frame 1, and the detection is quicker and more accurate. The opening structure 114a can make the conductive leads of the fuse 3 extend into the wiring groove 115 more easily, so that the connection structure is more compact. The opening structure 114a gradually narrows from top to bottom, so that the safety device 3 can be automatically guided to enter the mounting groove 114 during assembly, the assembly is convenient and smooth, and the assembly efficiency is improved.

Referring to fig. 7, 8 and 9, the connection terminal 2 includes a terminal main body 21, two end pins 22, a connection pin 23, a sleeve 24 and an elastic pressing piece 25, wherein the terminal main body 21, the end pins 22, the connection pin 23, the sleeve 24 and the elastic pressing piece 25 are integrally formed. The terminal pins 22 and the connecting pins 23 extend outward from the lower side of the terminal body 21; the connecting pin 23 is positioned between the two end pins 22; the connecting leg 23 is bent at about 90 degrees with respect to the terminal main body 21 in an uninstalled state, and may be bent downward to be leveled with respect to the terminal main body 21 after installation. The connecting pin 23 is provided with a recess 231 around which the power supply line 200 is wound. This makes it possible to wind the electric wire 200 around the connecting leg 23 more firmly, and to prevent the electric wire 200 from falling off. The sleeve 24 is provided above the terminal body 21 and through which the power supply line 300 passes, and a center axis of the sleeve 24 is perpendicular to an extending direction of the terminal pin 22. And the sleeve 24 is formed by punching and bending the upper side of the terminal main body 21. The sleeve 24 is divided into a front section and a rear section, and the elastic pressing piece 25 is pressed against the electric wire 300 at the middle position. The elastic pressing piece 25 is provided with an elastic part 251 and a pressing part 252, one end of the elastic part 251 is connected with the end part of the sleeve 24, and the other end of the elastic part 251 is connected with the pressing part 252; the elastic force of the elastic part 251 drives the pressing part 252 to press against the electric wire 300. Through the arrangement of the sleeve 24, the sleeve 24 can be fast sleeved with the electric wire 300, and through the arrangement of the elastic part 251 and the abutting part 252, the elastic part 251 is used for driving the abutting part 252 to press the electric wire 300, so that the electric wire 300 automatically pushes the abutting part 252 when entering the sleeve 24, and the abutting part 252 can automatically press the electric wire 300, so that the electric wire 300 can be directly and fast fixedly connected to the wiring terminal 2, and therefore, the connection is firm and stable, the connection is simple and convenient, the automatic assembly can be realized, and the assembly efficiency is effectively improved. The side wall of the sleeve 24 has a protrusion 241 bent toward the direction to press the electric wire 300 together with the elastic pressing piece 25.

Specifically, referring to fig. 7 and 9, the pressing portion 252 is disposed obliquely with respect to the central axis of the sleeve 24, so that the electric wire 300 can be inserted into only one end of the sleeve 24 and the electric wire 300 is restricted from being withdrawn from the end. The pushing inclined surface 252a is formed on the side surface of the pressing part 252 by obliquely arranging the pressing part 252, so that when the electric wire 300 is directly inserted into the sleeve 24, the pressing part 252 can be automatically and elastically avoided by the pushing inclined surface 252a, the electric wire 300 can be quickly and freely inserted and fixed, and when the electric wire 300 is reversely withdrawn, the pressing part 252 can be reversely bent to be in a blocked state, so that the electric wire 300 is prevented from being accidentally separated from the sleeve 24, and the connection stability and the connection fixity of the electric wire 300 are greatly improved. The side of the pressing part 252 facing the sleeve 24 is provided with an arc surface wrapping the electric wire 300. Through setting up the arcwall face, can make its area of contact with electric wire 300 bigger, further improve the electric wire 300 anticreep ability of pressing portion 252.

Compared with the prior art, the utility model has the advantages that the positioning groove 111 is arranged on the mounting rack 11, so that the wiring terminal 2 is inserted into the positioning groove 111 to realize positioning, and the wire groove 112 with openings is arranged at the edges of the two ends of the mounting rack 11, so that the wire 200 can pass through the wire groove 112 from the inner side of the mounting rack 11 to wind to the outer side and is electrically connected with the wiring terminal 2; because the positioning groove 111 can automatically position the wiring terminal 2, and the wire groove 112 can guide the wire 200 to the wiring terminal 2, the wiring terminal 2 and the winding frame 1 can be automatically assembled without manual wiring, and the production efficiency is greatly improved.

As shown in fig. 10, the method for encapsulating the terminal of the stator winding of the present invention includes the following steps:

step S1, inserting the terminal pin 22 of the connection terminal 2 into the positioning slot 111 of the mounting rack 11 of the bobbin 1, so that the connection pin 23 of the connection terminal 2 is positioned outside the dispensing slot 111 b;

step S2, passing the end of the wire 200 on the bobbin 1 through the wire slot 112 from the inner side of the mounting bracket 11 to the outer side, and winding the end around the connecting pin 23 of the connecting terminal 2;

step S3, pressing the connecting pins 23 into the dispensing slots 111b of the bobbin 1;

step S4, injecting glue into the glue dispensing groove 111b to fix the end of the electric wire 200 to the terminal block 2 and to fix the terminal block 2 to the bobbin 1 after the glue is solidified.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims (6)

1. The utility model provides a binding post of shaded pole motor which characterized in that: including terminal main part, end foot, connection foot, sleeve and elasticity preforming, the end foot reaches it follows to connect the foot the downside of terminal main part outwards extends, the sleeve set up in the upside of terminal main part and power supply line pass, the elasticity preforming has elasticity portion and pressing portion, the elastic force of elasticity portion orders about pressing portion supports and presses on the electric wire.

2. A terminal for a shaded pole motor according to claim 1, wherein: the pressing part is obliquely arranged relative to the central shaft of the sleeve, so that the electric wire can only be inserted into one end of the sleeve and is limited to be withdrawn from the end.

3. A terminal for a shaded pole motor according to claim 2, wherein: one side of the pressing part facing the sleeve is provided with an arc-shaped surface wrapping the electric wire.

4. A terminal for a shaded pole motor according to claim 1, wherein: the connecting pin is provided with a recess for winding the power supply line.

5. A terminal for a shaded pole motor according to claim 1, wherein: the terminal main body, the end pin, the connecting pin, the sleeve and the elastic pressing sheet are of an integrally formed structure.

6. A terminal for a shaded pole motor according to claim 1, wherein: the side wall of the sleeve is provided with a protruding part which is bent towards the direction so as to press and hold the electric wire together with the elastic pressing sheet.

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