CN215220408U

CN215220408U - Coil rack structure with flexible rib plate

Info

Publication number: CN215220408U
Application number: CN202121236292.0U
Authority: CN
Inventors: 许春木; 杜存记; 王俊青
Original assignee: Xiamen Hongfa Automotive Electronics Co Ltd
Current assignee: Xiamen Hongfa Automotive Electronics Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-17
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a coil rack structure with flexible ribbed plates, which comprises a coil rack and an enameled wire; the coil rack comprises a winding shaft and flanges integrally connected to two ends of the winding shaft, and a winding space is formed outside the winding shaft between the flanges at the two ends; the enameled wire is wound in the winding space of the coil frame; and at least one flexible ribbed plate which is offset from the central line of the length of the winding shaft is integrally and convexly arranged in the winding shaft of the coil rack, so that the flexible characteristic of the tail end of the flexible ribbed plate can be deflected along with the contraction direction of the enameled wire when the enameled wire is heated, and the enameled wire is clamped. The utility model discloses can realize blocking the enameled wire for the coil can not become flexible, has avoided prior art to lead to the enameled wire broken string, perhaps takes place because of the phenomenon that the coil makes a round trip the drunkenness and takes place unusual sound.

Description

Coil rack structure with flexible rib plate

Technical Field

The utility model relates to a relay technical field especially relates to a take coil former structure of flexible floor.

Background

In various electronic devices, there are many electronic devices with coils, such as relays, electromagnets, inductors, current transformers, etc., and with the continuous progress of technology and the requirement of miniaturization of products, in various usage scenarios, the electronic devices with coils are required to be smaller and smaller, the efficiency of the production process is required to be higher and higher, and the electronic devices with coils, such as relays, are subjected to reflow soldering process more and more. During the process of reflow soldering or similar processes, the relay can bear high-temperature baking, a coil which is formed by winding an enameled wire inside an electric appliance after high temperature becomes loose, and the wire can be broken or abnormal sound can be generated during the use process of a client.

Fig. 1 is a schematic view of a prior art bobbin structure, as shown in fig. 1, which includes a winding bobbin 101 and flanges 102 integrally connected to both ends of the winding bobbin, and a winding space is formed outside the winding shaft 101 between the flanges 102 at both ends, and the enamel wire 103 is wound in the winding space, because the paint film of the enameled wire 103 is sticky after being heated, the adjacent enameled wire is pulled towards the middle, that is, the enamel wire 103 is shrunk toward the middle in the axial direction and the radial direction (i.e. perpendicular to the axial direction) of the bobbin 101, this results in a gap between the enamel wire 103 and the bobbin, and in particular, a gap 104 between the enamel wire 103 and the outer surface of the bobbin 101, and a gap 105 between the enamel wire 103 and the inner side surface of the flange 102, therefore, the coil is loosened, and finally, the enameled wire is broken in the using process of the relay, or abnormal sound is generated due to the fact that the coil moves back and forth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a take coil former structure of flexible floor, through institutional advancement, can realize blocking the enameled wire for the coil can not become flexible, has avoided prior art to lead to the enameled wire broken string, perhaps takes place because of the phenomenon that the coil makes a round trip the drunkenness and takes place unusual sound.

The utility model provides a technical scheme that its technical problem adopted is: a coil rack structure with flexible rib plates comprises a coil rack and enameled wires; the coil rack comprises a winding shaft and flanges integrally connected to two ends of the winding shaft, and a winding space is formed outside the winding shaft between the flanges at the two ends; the enameled wire is wound in the winding space of the coil frame; and at least one flexible ribbed plate which is offset from the central line of the length of the winding shaft is integrally and convexly arranged in the winding shaft of the coil rack, so that the flexible characteristic of the tail end of the flexible ribbed plate can be deflected along with the contraction direction of the enameled wire when the enameled wire is heated, and the enameled wire is clamped.

The two flexible rib plates are respectively arranged on two sides of the center line of the length of the winding shaft.

The two flexible rib plates are respectively and symmetrically arranged on two sides of the center line of the length of the winding shaft.

The number of the flexible ribbed plates is multiple, and the flexible ribbed plates are respectively arranged on two sides of the center line of the length of the winding shaft; or on the same side of the centre line corresponding to the length of the bobbin.

The flexible rib is inclined at a preset angle along the circumferential direction of the bobbin.

The flexible rib is contained in the winding space in the radial direction of the winding shaft.

The flexible rib plate extends out of the winding space in the radial direction of the winding shaft.

The surface of the flexible ribbed plate is a plane.

The plate surface of the flexible ribbed plate is an arc surface.

The surface of the flexible ribbed plate is a special-shaped surface.

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

the utility model discloses owing to adopted in the spool of coil former, still integrative outside protruding stretch be equipped with the center line position at the length of spool at least one flexible floor. The utility model discloses a this kind of structure can utilize the terminal flexible characteristic of flexible floor, is heated at the enameled wire and when contracting to middle direction, deflects along with enameled wire shrink direction, realizes blocking the enameled wire.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the coil bobbin structure with flexible ribs of the present invention is not limited to the embodiment.

Drawings

Fig. 1 is a schematic view of a prior art bobbin structure;

fig. 2 is a schematic partial structure diagram according to a first embodiment of the present invention;

fig. 3 is a schematic perspective view of a bobbin according to a first embodiment of the present invention;

fig. 4 is a sectional view showing a structure of a bobbin according to a first embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic partial structure diagram of a second embodiment of the present invention;

fig. 7 is a schematic structural view of a bobbin according to a third embodiment of the present invention;

fig. 8 is a sectional view taken along line B-B in fig. 7.

Detailed Description

Example one

Referring to fig. 2 to 5, the coil frame structure with flexible ribs of the present invention includes a coil frame 2 and an enameled wire 1; the bobbin 2 includes a winding shaft 21 and flanges 22 integrally connected to both ends of the winding shaft, and a winding space 23 is formed outside the winding shaft between the flanges 22 at both ends; the enamel wire 1 is wound in the winding space 23 of the coil frame 2; in the winding shaft 21 of the coil former 2, a flexible rib 3 is integrally and outwardly protruded and arranged at the position of the center line M of the length of the winding shaft, so that the flexible rib 3 can deflect along with the contraction direction (as indicated by an arrow in fig. 2) of the enameled wire 1 when being heated by utilizing the flexibility characteristic of the tail end of the flexible rib 3, and the enameled wire 1 is clamped.

In this embodiment, the plate surface 31 of the flexible rib 3 is a plane.

Of course, the plate surface of the flexible rib plate can also be an arc surface, or the plate surface of the flexible rib plate is a special-shaped surface.

Moreover, the surface of the flexible ribbed plate can be a plane, and the other surface is an arc surface or a special-shaped surface.

In this embodiment, the flexible rib 3 is contained in the winding space 23 in the radial direction of the winding axis, that is, the end of the flexible rib 3 does not protrude out of the winding area of the enamel wire 1, that is, the flexible rib 3 is entirely buried in the winding area of the enamel wire 1.

The utility model discloses a take coil former structure of flexible floor has adopted in coil former 2's spool 21, still an organic whole is outside protruding to stretch and is equipped with a flexible floor 3 of the center line position of the length of partial in the spool, and this flexible floor 3 is less than the distance of flexible floor 3 to right flange 22 to the distance of left side flange 22. The structure of the utility model, the paint film has viscosity after the enameled wire 1 is heated, the enameled wire 1 which is close to can be pulled towards the middle, namely, the enameled wire 1 can shrink towards the middle along the arrow direction in figure 2, under the action of the shrinking force of the enameled wire 1, the root of the flexible ribbed plate 3 is not moved, the tail end of the flexible ribbed plate 3 can deflect along the shrinking direction of the enameled wire 1, as shown in figure 3, for the enameled wire at the left side of the flexible ribbed plate 3, the flexible ribbed plate 3 plays a role of preventing the enameled wires from loosening towards the right side, for the enameled wire at the right side of the flexible ribbed plate 3, the tail end of the flexible ribbed plate 3 blocks the enameled wires after deflecting, and plays a role of preventing the enameled wires from loosening upwards, the utility model utilizes the flexible characteristic of the tail end of the flexible ribbed plate, when the enameled wire is heated and shrinks towards the middle direction, the enameled wire deflects along with the shrinking direction of the enameled wire, the enameled wire is clamped.

Example two

Referring to fig. 6, the coil bobbin structure with flexible ribs according to the present invention is different from the first embodiment in that the flexible ribs 3 extend out of the winding space in the radial direction of the winding shaft 21. That is, the flexible rib 3 penetrates out of the winding area of the enamel wire 1, and the end of the flexible rib 3 extends outside the winding area of the enamel wire 1.

EXAMPLE III

Referring to fig. 7 to 8, a coil bobbin structure with flexible ribs according to the present invention is different from the first embodiment in that two flexible ribs 3 are provided, two flexible ribs 3 are respectively provided on two sides of the center line M of the length of the bobbin, and are symmetrically distributed with respect to the center line N of the bobbin 21, that is, one flexible rib 3 is provided on the left side of the center line M of the length of the bobbin and above the center line N of the bobbin 21, the other flexible rib 3 is provided on the right side of the center line M of the length of the bobbin and below the center line N of the bobbin 21, and the other flexible rib (i.e., the lower one) 3 is inclined by a preset angle along the circumferential direction of the bobbin 21.

Of course, the number of the flexible rib plates may be plural, and the plural flexible rib plates may be on the same side of the center line corresponding to the length of the bobbin, or may be provided on both sides of the center line corresponding to the length of the bobbin.

The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. A coil rack structure with flexible rib plates comprises a coil rack and enameled wires; the coil rack comprises a winding shaft and flanges integrally connected to two ends of the winding shaft, and a winding space is formed outside the winding shaft between the flanges at the two ends; the enameled wire is wound in the winding space of the coil frame; the method is characterized in that: and at least one flexible ribbed plate which is offset from the central line of the length of the winding shaft is integrally and convexly arranged in the winding shaft of the coil rack, so that the flexible characteristic of the tail end of the flexible ribbed plate can be deflected along with the contraction direction of the enameled wire when the enameled wire is heated, and the enameled wire is clamped.

2. A flexible ribbed bobbin structure according to claim 1, wherein: the two flexible rib plates are respectively arranged on two sides of the center line of the length of the winding shaft.

3. A flexible ribbed bobbin structure according to claim 2, wherein: the two flexible rib plates are respectively and symmetrically arranged on two sides of the center line of the length of the winding shaft.

4. A flexible ribbed bobbin structure according to claim 1, wherein: the number of the flexible ribbed plates is multiple, and the flexible ribbed plates are respectively arranged on two sides of the center line of the length of the winding shaft; or on the same side of the centre line corresponding to the length of the bobbin.

5. A flexible ribbed bobbin structure according to claim 1 or 2 or 3 or 4, characterized in that: the flexible rib is inclined at a preset angle along the circumferential direction of the bobbin.

6. A flexible ribbed bobbin structure according to claim 1 or 2 or 3 or 4, characterized in that: the flexible rib is contained in the winding space in the radial direction of the winding shaft.

7. A flexible ribbed bobbin structure according to claim 1 or 2 or 3 or 4, characterized in that: the flexible rib plate extends out of the winding space in the radial direction of the winding shaft.

8. A flexible ribbed bobbin structure according to claim 1, wherein: the surface of the flexible ribbed plate is a plane.

9. A flexible ribbed bobbin structure according to claim 1, wherein: the plate surface of the flexible ribbed plate is an arc surface.

10. A flexible ribbed bobbin structure according to claim 1, wherein: the surface of the flexible ribbed plate is a special-shaped surface.