CN218568652U

CN218568652U - Coil shaft capable of improving winding quality

Info

Publication number: CN218568652U
Application number: CN202222769088.6U
Authority: CN
Inventors: 叶锦祥; 刘文雄; 李飞
Original assignee: Hefei Jiuchang Semiconductor Co ltd
Current assignee: Hefei Jiuchang Semiconductor Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-03
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a coil shaft capable of improving winding quality, which comprises a cylindrical coil shaft, wherein a first check ring and a second check ring which are disc-shaped are respectively arranged at the two ends of the coil shaft; the annular side wall of the coil shaft is provided with a limiting groove matched with the lead, and the limiting groove extends spirally; a wire inlet hole is horizontally formed in the retainer ring II in a penetrating mode and is connected with one end of the limiting groove; a shaft center hole is formed in the coil shaft in a penetrating manner along the axis direction of the coil shaft; the depth of the limiting grooves is the diameter/, which corresponds to the diameter of the lead, and a screw pitch matched with the diameter of the lead is arranged between the limiting grooves; and a wire inlet groove is formed in the outer side wall of the retainer ring along the radius direction of the retainer ring, and the wire inlet groove is connected with the wire inlet hole. The utility model relates to a rationally, the wire winding of having guaranteed the coil is inseparable, the loose of having avoided the coil of very big degree, and then the effectual wire winding quality that improves the coil, draws forth the both ends of coil simultaneously, the effectual use that has made things convenient for the coil.

Description

Coil shaft capable of improving winding quality

Technical Field

The utility model relates to a hall test is with coil technical field, especially relates to a can improve coil shaft of wire winding quality.

Background

In order to ensure the accuracy of product parameters in the Hall device test, a coil is required to be used, the coil is generally an annular lead winding, the coil is generally formed by winding an enameled wire, the leads are mutually insulated, and winding equipment and the like can be used for winding.

Current coil spooling equipment is when the wire winding, because the spooling equipment precision is limited, when the coil bottom carries out the wire winding, can produce and arrange inseparably between the wire, and then lead to the loose condition of whole coil, serious influence the quality of coil, coil both ends are also inconvenient location simultaneously, are inconvenient to the coil installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art when the coil bottom carries out the wire winding, can produce and arrange inseparably between the wire, and then lead to the loose condition of whole coil, serious influence the quality of coil, coil both ends inconvenient location also simultaneously, inconvenient shortcoming of installing the coil, and the coil axle that can improve wire winding quality that proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

a coil shaft capable of improving winding quality comprises a cylindrical coil shaft, wherein a first retaining ring and a second retaining ring which are disc-shaped are arranged at two ends of the coil shaft respectively.

And a limiting groove matched with the lead is formed in the annular side wall of the coil shaft, and the limiting groove extends spirally.

And the second check ring is horizontally penetrated and provided with a wire inlet hole, and the wire inlet hole is connected with one end of the limiting groove.

Preferably, the coil shaft is provided with a shaft center hole extending through the coil shaft along the axial direction.

Preferably, the depth of the limiting grooves is 1/3 of the diameter of the corresponding lead, and a screw pitch matched with the diameter of the lead is arranged between the limiting grooves.

Preferably, the outer side wall of the retainer ring is provided with a wire inlet groove along the radius direction, and the wire inlet groove is connected with the wire inlet hole.

Preferably, fillet transition is arranged on both sides of the wire inlet hole and the edge of the wire inlet groove.

Preferably, the two side walls of the retainer ring are provided with positioning holes along the axis direction, and the positioning holes are connected with the wire inlet groove.

Preferably, the second retainer ring is provided with a plurality of wire outlet holes in a penetrating manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the wires are guided by the limiting grooves when the coil is wound, so that the tight arrangement of the innermost wires is ensured, the tight arrangement of the wires of the whole coil is further ensured, and the winding quality of the coil can be effectively improved;

2. in the utility model, the wire inlet is convenient for the wire through the wire inlet hole, the wire outlet hole is matched to facilitate the wire outlet of the other end of the wire, and the two ends of the coil are led out, thereby effectively facilitating the use of the coil and the automatic installation of the coil;

the utility model relates to a rationally, the wire winding of having guaranteed the coil is inseparable, the loose of having avoided the coil of very big degree, and then the effectual wire winding quality that improves the coil, draws forth the both ends of coil simultaneously, the effectual use that has made things convenient for the coil.

Drawings

Fig. 1 is a schematic view of an appearance structure of a coil bobbin capable of improving winding quality according to the present invention;

fig. 2 is an exploded view of a coil bobbin according to the present invention to improve the winding quality;

fig. 3 is an exploded view of a back structure of a coil bobbin according to the present invention for improving winding quality;

fig. 4 is a schematic view of a coil bobbin structure of the coil bobbin according to the present invention, which can improve the winding quality.

In the figure: the coil comprises a coil shaft 1, a shaft center hole 101, a limiting groove 102, a first retainer ring 2, a second retainer ring 3, a wire outlet hole 31, a wire inlet hole 4, a wire inlet groove 41 and a positioning hole 42.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-4, a can improve coil bobbin of wire winding quality, including being columniform coil bobbin 1 for the axle center of coil makes things convenient for the design of coil, also makes things convenient for the installation of coil, can be according to the needs of coil circle, coil bobbin 1 of selecting for use different length and diameter is designed for use, coil bobbin 1 both ends are equipped with retaining ring one 2 and retaining ring two 3 that are the disc respectively, make things convenient for control coil shaping, restrict the length of coil circle, make things convenient for the size of control coil circle, guarantee the precision of coil circle.

The limiting groove 102 matched with the lead is formed in the annular side wall of the coil shaft 1, the limiting groove 102 extends spirally, the lead at the bottommost layer is positioned when the coil winds the coil through the limiting groove 102, the winding at the bottommost layer of the coil is ensured to be arranged closely, the outer layer of the coil winding is prevented from being loose, the lead in the coil winding is ensured to be arranged closely, and the quality of the coil is improved.

The upper level of the second retainer ring 3 is provided with a wire inlet hole 4 in a penetrating manner, the wire inlet hole 4 is connected with one end of the limiting groove 102, a wire can be conveniently fed through the wire inlet hole 4 when the coil is wound, the wire is guided by the limiting groove 102 which is matched with the wire to be connected, and the winding quality of the coil is ensured.

When the coil shaft 1 is used, a wire is fed into the coil shaft 1 through the wire inlet hole 4, the required length of the wire is fed into the coil shaft, the wire winding equipment is used for winding the coil, the proper wire winding advancing speed is adjusted, the wire is wound along the limiting groove 102 until the innermost layer of the wire is wound, the wire is wound layer by layer, and the outer layer of the wire is tightly attached to the wire groove formed between the inner layer of the wire until the wire winding is finished.

The coil shaft 1 can effectively ensure the tight arrangement of the innermost layer wires by winding, so as to ensure the tight arrangement of the integrated coils and effectively improve the coil quality.

In this embodiment, as shown in fig. 1 to 3, the coil shaft 1 is provided with a shaft hole 101 extending through along the axial direction thereof, so that on one hand, the dead weight of the coil shaft 1 is reduced, on the other hand, the material is saved, the cost is reduced, on the other hand, the coil is also convenient to take and mount, and the automatic mounting of the coil is facilitated.

In this embodiment, as shown in fig. 1 to 4, the depth of the limiting grooves 102 is 1/3 of the diameter of the corresponding wire, and a screw pitch matched with the diameter of the wire is arranged between the limiting grooves, so as to ensure that the wire is accurately wound and arranged when the coil is wound, ensure the winding tightness of the coil, and improve the quality of the coil.

In this embodiment, as shown in fig. 1 to 3, a wire inlet groove 41 is formed on the outer side wall of the second retainer ring 3 along the radial direction thereof, and the wire inlet groove 41 is connected to the wire inlet hole 4, so that a wire can be conveniently fed into the wire inlet groove, the wire can be rapidly fed into the wire inlet groove to avoid winding, and the winding efficiency can be ensured.

In this embodiment, as shown in fig. 1 to 3, rounded corner transitions are respectively disposed at two sides of the wire inlet hole 4 and at an edge of the wire inlet groove 41, so as to ensure stable feeding of a wire, ensure quality of an enameled wire, avoid short circuit caused by scratching of an outer layer of the enameled wire, and ensure quality of a coil winding.

In this embodiment, as shown in fig. 1 to 3, the sidewall of the second retainer ring 3 is provided with a positioning hole 42 along the axial direction thereof, and the positioning hole 42 is connected to the wire inlet groove 41, so as to facilitate identification and positioning of the coil direction, facilitate guiding of a wire when the wire is fed, and ensure the winding efficiency.

In this embodiment, as shown in fig. 1 to 3, a plurality of wire outlet holes 31 are formed in the second retainer ring 3 in a penetrating manner, and after winding is completed, the ends of the wires are led out from the wire outlet holes, so that the wires of the coil can be conveniently connected, and the coil can be conveniently used.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A coil shaft capable of improving winding quality comprises a cylindrical coil shaft (1), and is characterized in that a first check ring (2) and a second check ring (3) which are disc-shaped are respectively arranged at two ends of the coil shaft (1);

a limiting groove (102) matched with the lead is formed in the annular side wall of the coil shaft (1), and the limiting groove (102) extends spirally;

and a wire inlet hole (4) is horizontally formed in the retainer ring II (3) in a through mode, and the wire inlet hole (4) is connected with one end of the limiting groove (102).

2. The coil bobbin capable of improving the winding quality according to claim 1, wherein a bobbin hole (101) is formed in the coil bobbin (1) so as to penetrate along the axial direction thereof.

3. A coil shaft capable of improving winding quality according to claim 1, characterized in that the depth of the limiting grooves (102) is 1/3 of the corresponding wire diameter, and a thread pitch matched with the wire diameter is arranged between the limiting grooves.

4. The coil shaft capable of improving the winding quality according to claim 1, wherein the outer side wall of the second retainer ring (3) is provided with a wire inlet groove (41) along the radial direction thereof, and the wire inlet groove (41) is connected with the wire inlet hole (4).

5. A coil shaft capable of improving winding quality according to claim 1, characterized in that round corner transitions are provided at both sides of the wire inlet hole (4) and at the edge of the wire inlet groove (41).

6. The coil shaft capable of improving the winding quality as claimed in claim 1, wherein the sidewall of the second retainer ring (3) is provided with a positioning hole (42) along the axial direction thereof, and the positioning hole (42) is connected to the wire feeding groove (41).

7. The coil bobbin capable of improving winding quality as claimed in claim 1, wherein a plurality of outlet holes (31) are formed through the second retainer ring (3).