CN219738674U - Iron core coil - Google Patents

Abstract

The utility model relates to the field of electromagnetic devices, in particular to an iron core coil, which comprises an iron core, a coil framework sleeved on the iron core, an electrified wire wound on the coil framework, and two electrode plates used for connecting an external wire, wherein two groups of connecting components are arranged on the coil framework, two ends of the electrified wire are respectively connected with the two groups of connecting components, and the two electrode plates are movably connected on the coil framework through the two groups of connecting components. The utility model has the effect of facilitating the designer to install the external lead on the iron coil.

Description

Iron core coil

Technical Field

The utility model relates to the technical field of electromagnetic generating devices, in particular to an iron core coil.

Background

The iron core coil is also called an electromagnet, and is a device for electrifying and generating magnetism. Iron core coils are very widely used. Such as electromagnetic relays, electromagnetic cranes, electronic door locks, flow valves, etc.

Common electromagnets mainly comprise a coil bobbin, a wire and an iron core. The coil framework is fixedly connected with two electrode plates for connecting an external lead, one end of the lead is welded on one of the electrode plates, and the other end of the lead is wound on the coil framework and is welded with the other electrode plate. The core can be magnetized by energizing both pole pieces.

Since the application of the iron core coil in life is very wide, the application environment of the iron core coil is complex and changeable. After the electromagnet in the related art is connected with the external lead, a rubber block for fixing the end part of the external lead is arranged at the connection position of the external lead and the electrode plate, and the rubber block and the lead are fixedly connected to the side surface of the electromagnet or the end part of the electromagnet according to the orientation of the electrode plate when the electromagnet is manufactured. For some large devices, the installation space of the external wires reserved at the top and the side of the iron core coil is sufficient, and the wires are positioned at one end or one side of the electromagnet, so that the design of the large device is less influenced. However, when the core coil is used in some small devices, such as some small valve-like parts. In the design process, the situation that the top space of the electromagnet is smaller or the side space of the electromagnet is smaller and insufficient to connect with an external lead is caused, so that the external lead is inconvenient to connect, and the difficulty is increased for design of valve and lock small parts by a designer.

Disclosure of Invention

In order to facilitate a designer to connect an external lead with an iron core coil under special conditions, the utility model provides the iron core coil.

The iron core coil provided by the utility model adopts the following technical scheme:

the utility model provides an iron core coil, includes that iron core, cover establish the coil skeleton on the iron core and around establishing the circular telegram wire on the coil skeleton, still includes two electrode slices that are used for connecting external wire, be provided with two sets of coupling assembling on the coil skeleton, the both ends of circular telegram wire are connected with two sets of coupling assembling respectively, and two electrode slices pass through two sets of coupling assembling swing joint on the coil skeleton.

Through adopting above-mentioned technical scheme, two motor pieces pass through coupling assembling swing joint on coil former, at iron core coil application in-process, the relative position between accessible change electrode slice and the coil former to make the electrode slice be in the position that makes things convenient for designer's installation external wire, reduce the degree of difficulty for designer's design process.

Optionally, a mounting block is arranged on the side face of the coil skeleton, and the connecting component is mounted on the mounting block.

Through adopting above-mentioned technical scheme, make things convenient for coupling assembling's installation through the installation piece to make things convenient for the production of whole iron core coil to make.

Optionally, a protective shell is further arranged on the coil framework, and the protective shell is sleeved outside the coil framework.

Through adopting above-mentioned technical scheme, reduce the injury that the circular telegram wire received external environment through the protective housing, improve iron core coil's life.

Optionally, be provided with the boss on the protective housing, the spread groove has been seted up to corresponding coupling assembling on the boss, coupling assembling and electrode slice all are located the spread groove.

By adopting the technical scheme, the connecting assembly is arranged in the connecting groove, so that the connecting assembly can be protected to a certain extent; and the connection position between the external lead and the electrode plate is protected, so that the situation that the external lead is disconnected with the electrode plate in the using process of the iron core coil is reduced.

Optionally, coupling assembling includes rotation post and arc, the rotation post is cylindrical structure, the rotation post rotates around self axis to be connected on the lateral wall of spread groove, the arc is coaxial with the rotation post, and the arc inside wall is laminated with the rotation post, circular telegram wire tip is connected with the arc, the electrode slice is connected on the rotation post.

Through adopting above-mentioned technical scheme, rotate post lateral wall and the laminating of arc inside wall, arc and circular telegram wire end connection to realize the electrode slice and be connected with circular telegram wire. The rotation of the rotating column can drive the electrode plate to rotate, so that the relative position between the electrode plate and the coil framework is changed.

Optionally, the arc is made of elastic material, and the inside wall diameter of the arc is smaller than the diameter of the rotating column in a normal state.

Through adopting above-mentioned technical scheme, under the circumstances that does not have other external force influence, the diameter of the inside wall of arc is less than the diameter of pivoted post, consequently after pivoted post lateral wall and the laminating of arc inside wall, the one end that the circular telegram wire was kept away from to the arc has the crooked trend of direction to being close to the pivoted post to make the arc inside wall closely laminate with pivoted post lateral wall, improve the stability of being connected between pivoted post and the arc.

Optionally, be provided with spacing arch on the spliced pole lateral wall, the position that corresponds on the arc is provided with a plurality of spacing grooves, spacing arch can imbed in the spacing groove.

Through adopting above-mentioned technical scheme, after the position of adjustment electrode slice, spacing protruding embedding is spacing to the spliced pole in the spacing groove to can reduce the designer and appear rocking the condition at the in-process electrode slice of installing external wire, make things convenient for the designer to the installation of external wire.

Optionally, a connecting rod is arranged between the two electrode plates, two ends of the connecting rod are respectively connected with the two electrode plates, and the connecting rod is an insulator.

Through adopting above-mentioned technical scheme, connect two motor pieces through the connecting rod, can drive another electrode piece synchronous rotation when rotating one of them electrode piece to make things convenient for the designer to carry out synchronous adjustment to the position of electrode piece.

Drawings

Fig. 1 is a cross-sectional view of a mounting housing of an embodiment of the present utility model.

Fig. 2 is an enlarged view of a partial structure of an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a connection assembly according to an embodiment of the present utility model.

Fig. 4 is an exploded view of the connection assembly of the present embodiment in a direction perpendicular to the fixed electrode sheet, mainly for illustrating a positional relationship between the limit protrusion and the limit groove.

Reference numerals: 1. a coil bobbin; 11. a mounting block; 12. a winding post; 13. installing a slot; 14. wiring grooves; 2. energizing the wire; 21. an inductance coil; 3. an iron core; 4. a protective shell; 41. a boss; 42. a connecting groove; 5. an electrode sheet; 6. a connection assembly; 61. an arc-shaped plate; 62. rotating the column; 63. a limit protrusion; 64. fixing the electrode; 65. a limit groove; 7. and (5) connecting a rod.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses an iron core coil.

Referring to fig. 1, an iron core coil includes a bobbin 1, an energizing wire 2, an iron core 3, a protective case 4, and two electrode pads 5 for connecting external wires. The coil frame 1 is sleeved outside the iron core 3, and the energizing lead 2 is wound on the coil frame 1 to form an inductance coil 21. The protective shell 4 is arranged on the coil skeleton 1 and is covered outside the inductance coil 21; thereby protecting the inductor 21. The coil skeleton 1 is also provided with two groups of connecting components 6, and the two electrode plates 5 are respectively connected to the two connecting components 6. The relative position of the electrode plate 5 and the coil skeleton 1 can be changed through the connecting component 6, so that the position between the external lead and the iron core coil is changed, and a designer can conveniently connect the external lead and the iron core coil when designing a small device (the small device in the embodiment refers to a device with the requirement on the whole volume such as a valve or a lock).

Referring to fig. 2 and 3, the bobbin 1 has a circular cylindrical structure, and the core 3 has a cylindrical structure; the coil former 1 is coaxially sleeved outside the iron core 3. The coil skeleton 1 both ends integrated into one piece is provided with ring form flange, and the electric wire 2 is twined on the coil skeleton 1 to be located between two flanges. One of them flange side integrated into one piece of coil skeleton 1 is provided with installation piece 11, and two installation slots 13 have been seted up to corresponding two sets of coupling assembling 6 on the side that installation piece 11 kept away from coil skeleton 1, and two installation slots 13 set up along the direction interval of the axis of perpendicular to coil skeleton 1. The connection assembly 6 includes a fixed electrode 64, and the fixed electrode 64 has a rectangular sheet-like structure. One ends of the fixed electrodes 64 of the two sets of connection members 6 are respectively embedded in the two mounting slots 13, and are bonded to the side walls of the mounting slots 13.

Referring to fig. 3, a wiring groove 14 is formed at one end of the mounting block 11 away from the axis of the bobbin 1, and a winding post 12 is formed at a portion of the mounting block 11 located near the inductance coil 21 of the wiring groove 14. One end of the energizing wire 2 passes through the wiring groove 14 and is welded with one of the fixed electrodes 64; the other end of the energized conductor 2 passes around the side of the spool 12 away from the wiring groove 14 and is soldered to another fixed electrode 64. The two ends of the energizing wire 2 are respectively located at two sides of the winding post 12, so that the winding post 12 can prevent the two ends of the energizing wire 2 from contacting each other, thereby reducing the phenomenon of short circuit in the use process of the energizing wire 2.

Referring to fig. 1 and 2, the protective case 4 is wrapped outside the coil bobbin 1 and the inductance coil 21, and the protective case 4 is formed by placing the coil bobbin 1 in an injection mold after the installation of the energizing wires 2 is completed. The protective housing 4 is cylindrical structure, and the position that protective housing 4 corresponds installation piece 11 forms boss 41, and boss 41 a side and protective housing 4 terminal surface parallel and level. Two connecting grooves 42 are provided at positions corresponding to the fixed electrodes 64 of the two connecting members 6 on a side surface of the boss 41 flush with the end surface of the protective case 4, and the connecting grooves 42 are provided with openings on a side surface of the boss 41 parallel to the axis of the bobbin 1, and one end of the fixed electrode 64 away from the mounting block 11 is located in the connecting groove 42.

Referring to fig. 2, 3 and 4, the connection assembly 6 includes an arc plate 61, one end of the arc plate 61 is welded to a side of the fixed electrode 64 remote from the mounting block 11, and an opening of the arc plate 61 is directed to a side remote from the inductor 21. The connecting assembly 6 further comprises a rotating column 62, and two ends of the rotating column 62 with a cylindrical structure are rotatably connected to two parallel side walls of the connecting groove 42. The rotation post 62 is disposed coaxially with the arc plate 61, and the side wall of the rotation post 62 is fitted to the inner side wall of the arc plate 61. The electrode plate 5 has a sheet-like structure, and one end of the electrode plate 5 is welded to the side wall of the rotating column 62. The external lead is connected to the end of the electrode plate 5 remote from the rotating post 62. The rotation column 62 can rotate the electrode sheet 5 so that the longitudinal direction of the electrode sheet 5 is parallel to the axis of the bobbin 1 or perpendicular to the axis of the bobbin 1. And then can change the position of external wire connection back relative iron core coil, make things convenient for the designer to connect external wire on iron core coil.

Referring to fig. 3 and 4, the arc plate 61 is made of an elastic material, and the diameter of the arc plate 61 in a normal state is smaller than that of the rotating post 62, so that the inner side wall of the arc plate 61 can be tightly attached to the side wall of the rotating post 62, and the electrifying stability of the electrode plate 5 after being connected with the fixed electrode 64 is improved.

Referring to fig. 2, 3 and 4, in order to facilitate the adjustment of the position of the electrode tabs 5 by a user, a connection rod 7 is provided between the electrode tabs 5 of the two connection assemblies 6, the connection rod 7 being made of an insulating material, and in this embodiment the connection rod 7 being made of plastic. Two ends of the connecting rod 7 are respectively bonded with the two electrode plates 5, and avoidance grooves which can be used for the rotation of the connecting rod 7 are formed in the boss 41 corresponding to the connecting rod 7. Rotating one of the electrode plates 5 can drive the connecting rod 7 to rotate and then drive the other electrode plate 5 to rotate, thereby facilitating the designer to synchronously adjust the two electrode plates 5 and improving the working efficiency of the designer. In order to reduce the situation that a designer rotates the electrode plate 5 in the process of connecting an external lead to the electrode plate 5, a plurality of hemispherical limit protrusions 63 are arranged on the side wall of the rotating column 62, and the hemispherical limit protrusions 63 are uniformly arranged on the rotating column 62 at intervals around the axis of the rotating column 62. A plurality of spacing grooves 65 have been seted up to corresponding spacing arch 63 on the inside wall of arc piece, and spacing arch 63 can imbed in spacing groove 65, and under spacing protruding 63's effect, electrode slice 5 can keep fixed state to a certain extent to further make things convenient for the designer to connect external wire on electrode slice 5.

The implementation principle of the iron core coil provided by the embodiment of the utility model is as follows: when the position of the electrode plate 5 is at a position inconvenient to connect with an external lead, the electrode plate 5 is rotated, so that the electrode plate 5 is rotated. Under the effect of the spherical side face of the hemispherical limit projection 63, when a designer applies enough force to the electrode plate 5, the limit projection 63 can automatically separate from the limit groove 65, and the limit to the rotating column 62 is canceled, so that the designer can conveniently adjust the position of the electrode plate 5. After being adjusted to a proper position, the limiting protrusion 63 can be automatically embedded into the limiting groove 65 to limit the rotating column 62 under the action of the elastic arc-shaped plate 61, so that a designer can conveniently install an external lead.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides an iron core coil, includes iron core (3), cover establish coil skeleton (1) on iron core (3) and around establishing circular telegram wire (2) on coil skeleton (1), its characterized in that: the electric wire coil is characterized by further comprising two electrode plates (5) used for being connected with an external wire, two groups of connecting assemblies (6) are arranged on the coil skeleton (1), two ends of the electrified wire (2) are respectively connected with the two groups of connecting assemblies (6), and the two electrode plates (5) are movably connected on the coil skeleton (1) through the two groups of connecting assemblies (6).

2. A core coil according to claim 1, wherein: the side of the coil framework (1) is provided with a mounting block (11), and the connecting component (6) is mounted on the mounting block (11).

3. A core coil according to claim 1, wherein: the coil skeleton (1) is further provided with a protective shell (4), and the protective shell (4) is sleeved outside the coil skeleton (1).

4. A core coil according to claim 3, wherein: be provided with boss (41) on protective housing (4), connecting groove (42) have been seted up to corresponding coupling assembling (6) on boss (41), coupling assembling (6) and electrode slice (5) all are arranged in connecting groove (42).

5. A core coil according to claim 4, wherein: the connecting assembly (6) comprises a rotating column (62) and an arc-shaped plate (61), the rotating column (62) is of a cylindrical structure, the rotating column (62) is rotationally connected to the side wall of the connecting groove (42) around the axis of the rotating column, the arc-shaped plate (61) is coaxial with the rotating column (62), the inner side wall of the arc-shaped plate (61) is attached to the rotating column (62), the end part of the energizing wire (2) is connected with the arc-shaped plate (61), and the electrode plate (5) is connected to the rotating column (62).

6. A core coil according to claim 5, wherein: the arc-shaped plate (61) is made of elastic materials, and the diameter of the inner side wall of the arc-shaped plate (61) in a normal state is smaller than that of the rotating column (62).

7. A core coil according to claim 6, wherein: limiting protrusions (63) are arranged on the outer side wall of the rotating column (62), a plurality of limiting grooves (65) are formed in corresponding positions of the arc-shaped plate (61), and the limiting protrusions (63) can be embedded into the limiting grooves (65).

8. A core coil according to claim 5, wherein: a connecting rod (7) is arranged between the two electrode plates (5), two ends of the connecting rod (7) are respectively connected with the two electrode plates (5), and the connecting rod (7) is an insulator.