A relay with a coil frame having a wire groove

Abstract

The utility model discloses a relay with a coil frame having a wire groove, comprising a magnetic circuit part arranged between a housing and a base, the magnetic circuit part comprising a coil assembly, the coil assembly comprising a coil frame; a wire groove leading from a coil terminal to a winding shaft is arranged on the flange of the coil frame, the wire groove comprising an inlet groove and an outlet groove; the two ends of the enameled wire wound on the winding shaft are respectively introduced into or buried in the wire groove. The utility model provides a wire groove including an inlet groove and an outlet groove, so that the two ends of the enameled wire are respectively introduced into or buried in the wire groove, so that the two ends of the enameled wire can be protected, the paint film damage can be reduced, and the exposure of the enameled wire can be avoided; the starting end and the end of the enameled wire are deeply buried in the flange of the coil frame, increasing the distance between the two; and two wire grooves are provided on the coil frame, so that the starting end and the end of the enameled wire are arranged relatively, especially at the farthest distance of the diagonal line, further increasing the distance between turns and preventing short circuit between turns.

Description

Technical Field

[0001] The utility model belongs to the technical field of relays and relates to a relay with a coil frame provided with a conductor groove. Background Art

[0002] A relay is an electrical control device that is widely used in control circuits of household appliances, remote controls, communications, and automation. Its actual function is to control the large current in the output circuit through the small current in the control circuit. It is an automatic switch.

[0003] The coil frame in the existing AC electromagnetic relay magnetic circuit system is assembled in such a way that the enameled wire is first wound around one end of the coil frame and then enters the winding space to be wound to form a coil. After the enameled wire is wound, the other end is wound around the coil frame. The enameled wire wound around both ends of the coil frame is prone to paint film damage, especially the paint film damage at the ends of the coil is more serious; the damaged enameled wire is exposed to the outside, and when the enameled wire is pulled from one end to the other end to form a cross, it is easy to cause a short circuit between turns. Utility Model Content

[0004] The utility model solves the problem of providing a relay with a coil frame provided with a wire groove, and the wire groove is provided on the coil frame to protect the end of the enameled wire and prevent short circuit between turns.

[0005] The utility model is realized by the following technical solutions:

[0006] A relay with a coil frame having a wire groove, comprising a magnetic circuit portion arranged between a housing and a base, the magnetic circuit portion comprising a coil assembly, the coil assembly comprising a coil frame and a coil, the coil being formed by winding an enameled wire around the coil frame;

[0007] A wire groove leading from the coil terminal to the winding shaft is provided on the flange of the coil frame, and the wire groove includes an inlet groove and an outlet groove; two ends of the enameled wire are respectively introduced into or buried in the wire groove.

[0008] The wire groove is provided on the edge of the flange where the coil terminal is located;

[0009] The wire inlet groove and the wire outlet groove are respectively located on both sides of the winding shaft.

[0010] The wire groove is arranged on the side edge of the flange.

[0011] The openings of the inlet and outlet grooves are oriented in the same direction.

[0012] Specifically, the coil terminals are arranged on the same edge of the flange on the same side.

[0013] Further, the wire duct includes a wire inlet, a wire duct and a wire outlet;

[0014] The wire outlet of the wire inlet slot is arranged opposite to the wire inlet of the wire outlet slot, and is respectively located at the opposite corners or opposite sides of the winding shaft.

[0015] The wire trough has an inner trough edge and an outer trough edge on both sides thereof, the inner trough edge is on the side close to the coil, and the outer trough edge is on the other side;

[0016] The inner corners of the wire trough are set as rounded corners, and the inner and outer edges of the trough are set as rounded chamfers.

[0017] The wire groove is smoothly connected to the flange through an inclined surface, and the connecting part is set to a rounded corner; the wire outlet groove is located on the side edge of the flange, and the upper ends of the inner edge and the outer edge of the wire outlet groove are flush, and the lower end of the inner edge is shorter than the lower end of the outer edge.

[0018] The magnetic circuit part also includes a yoke and an iron core. The iron core passes through the coil, and the yoke is fixed to the coil frame through the iron core. The yoke is also inserted into the base and fixed through a cut.

[0019] The shell and the base are matched with each other through buckles arranged on both sides.

[0020] Compared with the prior art, the utility model has the following beneficial technical effects:

[0021] The utility model provides a relay with a coil frame provided with a wire groove. By providing the wire groove including an inlet groove and an outlet groove, two ends of the enameled wire are respectively introduced into or buried in the wire groove, so that the two ends of the enameled wire can be protected, the paint film damage is reduced, and the enameled wire is prevented from being exposed.

[0022] The utility model provides a relay with a coil frame provided with a conductor groove, wherein the starting end and the ending end of the enameled wire are deeply buried inside the flange of the coil frame, thereby increasing the distance between the two ends; and two conductor grooves are provided on the coil frame, so that the starting end and the ending end of the enameled wire are arranged relatively, especially at the farthest diagonal distance, thereby further increasing the distance between turns and preventing short circuit between turns.

[0023] The utility model provides a relay with a wire groove on a coil frame, wherein a round chamfer is arranged inside the wire groove to prevent the enameled wire from being scratched and to facilitate the enameled wire to enter the groove; wherein the wire outlet groove is located on the side edge of the flange, the structure is simpler and convenient for mold design; or the openings of the wire inlet groove and the wire outlet groove are arranged in the same direction, which is convenient for demoulding operation of the mold and is conducive to the automatic assembly of the relay. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is one of the structural schematic diagrams of the coil frame of the utility model;

[0025] Figure 2 This is the second structural schematic diagram of the coil frame of the utility model;

[0026] Figure 3 It is a schematic diagram of the relay structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the cable outlet trough of the utility model;

[0028] Figure 5 It is a top view of the coil frame of the utility model;

[0029] Figure 6 This is a rear view of the coil frame of the utility model;

[0030] Figure 7 This is a schematic diagram of the cable entry duct of the utility model.

[0031] In the figure: 1 is the wire inlet slot, 2 is the left vertical winding terminal, 3 is the right vertical winding terminal, 4 is the wire outlet slot; 5 is the right horizontal winding terminal, 6 is the wire inlet, 7 is the left horizontal winding terminal, 8 is the housing, 9 is the base, 10 is the rectifier bridge stack, 11 is the circuit board, 12 is the coil frame, 13 is the armature, 14 is the slope, 15 is the first fillet, 16 is the second fillet, 17 is the wire slot, 18 is the third fillet, 19 is the fourth fillet, 20 is the outer edge of the slot, 21 is the inner edge of the slot, and 22 is the retaining wall on the wire inlet slot. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings, which are intended to explain the present invention rather than to limit it.

[0033] The utility model provides a relay with a coil frame provided with a conductor groove. By providing the conductor groove on the coil frame, the distance between turns is increased and short circuit between turns is prevented.

[0034] See also Figure 1 , Figure 2 , Figure 3 A relay with a coil frame having a wire groove, comprising a magnetic circuit portion arranged between a housing 8 and a base 9, the magnetic circuit portion comprising a coil assembly, the coil assembly comprising a coil frame 12 and a coil, the coil being formed by winding an enameled wire around the coil frame 12;

[0035] A wire groove is provided on the flange of the coil frame 12 for guiding the winding shaft from the coil terminal. The wire groove includes an inlet groove and an outlet groove. Both ends of the enameled wire are respectively introduced into or buried in the wire groove.

[0036] The magnetic circuit part also includes a yoke and an iron core, the iron core passes through the coil, the yoke is fixed to the coil frame through the iron core, and the yoke is also inserted into the base and fixed through a cut. The shell and the base are matched through buckles arranged on both sides.

[0037] The utility model provides a wire groove including an inlet groove and an outlet groove, so that two ends of the enameled wire are respectively introduced into or buried in the wire groove, thus protecting the two ends of the enameled wire, reducing paint film damage and avoiding exposure of the enameled wire.

[0038] The starting and ending ends of the enameled wire are buried deep inside the flange of the coil frame to increase the distance between the two; and two wire grooves are opened on the coil frame so that the starting and ending ends of the enameled wire are arranged opposite to each other, especially at the farthest diagonal distance, further increasing the distance between turns and preventing short circuit between turns.

[0039] Furthermore, the wire groove is provided on the edge of the flange where the coil terminal is located;

[0040] The wire inlet groove and the wire outlet groove are respectively located on both sides of the winding shaft.

[0041] For details, see Figure 1 As the first embodiment of the utility model, the wire groove is provided on the side edge of the flange, and the opening directions of the inlet groove and the outlet groove are different. The inlet groove and the outlet groove are located on the side edge of the flange, and the structure is simpler, which is convenient for mold design and processing.

[0042] See also Figure 2 As embodiment 2 of the present invention, the openings of the inlet and outlet grooves are oriented in the same direction, wherein the outlet groove is provided at the side edge of the flange, and in order to make the openings of the two oriented in the same direction, the inlet groove is provided inside the flange and at the side of the winding shaft. The openings of the inlet and outlet grooves are arranged in the same direction, which is convenient for the demoulding operation of the mold and is conducive to the automatic assembly of the relay.

[0043] Furthermore, the coil terminals are arranged on the same edge of the flange on the same side. The coil terminals are arranged vertically on the upper edge of the flange; Figure 1 , Figure 2 The left vertical winding terminal 2 and the right vertical winding terminal 3 are shown.

[0044] See also Figure 4-Figure 7 , the following is a detailed description of the inlet and outlet ducts.

[0045] The wire trough has an inner trough edge 21 and an outer trough edge 20 on both sides thereof, the inner trough edge 21 being the side close to the coil and the outer trough edge 20 being the other side;

[0046] The inner corners of the wire trough are set as rounded corners, and the inner and outer edges of the trough are set as rounded chamfers.

[0047] Further, if Figure 4 As shown, the wire groove is smoothly connected to the flange through an inclined surface, and the connecting part is set as a rounded corner;

[0048] The outlet groove is located on the side edge of the flange, and the upper ends of the inner edge 21 and the outer edge 20 of the outlet groove are flush with each other, and the lower end of the inner edge 21 is shorter than the lower end of the outer edge 20;

[0049] The inside of the wire groove is provided with a round chamfer to prevent the enameled wire from being scratched and to make it easier for the enameled wire to enter the groove.

[0050] Specifically, one end of the enameled coil can be wound on the coil frame through the wire groove from behind the right coil terminal, and the other end can be wound on the left coil terminal through the wire groove.

[0051] Compared with the prior art, the utility model adopts the method of opening a wire groove on the coil frame to increase the distance between the wire inlet and the wire outlet, increase the distance between turns, and prevent short circuit between turns. In order to prevent the enameled wire from being scratched, a round chamfer is set inside the wire groove to make the enameled wire easy to enter the groove and prevent the enameled film from being damaged as much as possible.

[0052] The above embodiments are preferred examples for implementing the present invention, and the present invention is not limited to the above embodiments. Any non-essential additions and substitutions made by those skilled in the art based on the technical features of the present invention are within the protection scope of the present invention.

Claims

1. A relay with a coil frame having a wire groove, comprising a magnetic circuit portion arranged between a housing and a base, characterized in that: The magnetic circuit part includes a coil assembly, the coil assembly includes a coil frame and a coil, and the coil is formed by winding an enameled wire around the coil frame; A wire groove leading from the coil terminal to the winding shaft is provided on the flange of the coil frame, and the wire groove includes an inlet groove and an outlet groove; two ends of the enameled wire are respectively introduced into or buried in the wire groove.

2. The relay with a coil frame having a wire groove as claimed in claim 1, characterized in that: The wire groove is provided on the edge of the flange where the coil terminal is located; The wire inlet groove and the wire outlet groove are respectively located on both sides of the winding shaft.

3. The relay with a coil frame having a wire groove as claimed in claim 2, characterized in that: The wire groove is arranged on the side edge of the flange.

4. The relay with a coil frame having a wire groove as claimed in claim 2, characterized in that: The openings of the inlet and outlet grooves are oriented in the same direction.

5. The relay with a coil frame having a wire groove as claimed in claim 1, 2, 3 or 4, characterized in that: The coil terminals are arranged on the same edge of the flange on the same side.

6. The relay with a coil frame having a wire groove as claimed in claim 1 or 2, characterized in that: The wire duct comprises a wire inlet, a wire duct and a wire outlet; The wire outlet of the wire inlet slot is arranged opposite to the wire inlet of the wire outlet slot, and is respectively located at the opposite corners or opposite sides of the winding shaft.

7. The relay with a coil frame having a wire groove as claimed in claim 1 or 2, characterized in that: The wire trough has an inner trough edge and an outer trough edge on both sides thereof, the inner trough edge is on the side close to the coil, and the outer trough edge is on the other side; The inner corners of the wire trough are set as rounded corners, and the inner and outer edges of the trough are set as rounded chamfers.

8. The relay with a coil frame having a wire groove as claimed in claim 6, characterized in that: The wire groove is smoothly connected to the flange through an inclined surface, and the connecting part is set to a rounded corner; the wire outlet groove is located on the side edge of the flange, and the upper ends of the inner edge and the outer edge of the wire outlet groove are flush, and the lower end of the inner edge is shorter than the lower end of the outer edge.

9. The relay with a coil frame having a wire groove as claimed in claim 1, characterized in that: The magnetic circuit part also includes a yoke and an iron core. The iron core passes through the coil, and the yoke is fixed on the coil frame through the iron core. The yoke is also inserted into the base and fixed through a cut.

10. The relay with a coil frame having a wire groove as claimed in claim 1, characterized in that: The shell and the base are matched with each other through buckles arranged on both sides.

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