TWI451637B - Demagnetization connector and its magnetic component construction - Google Patents

Description

Magnetic absorbing connector and magnetic component construction thereof

The present invention provides a magnetic absorbing connector and a magnetic assembly thereof, and more particularly to an electrical connector that utilizes in-mold ejection at a connector insertion surface to form a magnet.

According to the connector, the connector refers to all the connecting components used in the electronic signal or the power supply and its accessories. For example, the connector is electrically connected to the mouse, the display, the keyboard, the list machine and the like. Alternatively, the electronic signals between the modules in the device can also be electrically connected by using a connector, such as a connector between the integrated circuit socket and the connector at the edge of the circuit board, and the connector is required to be electrically connected. Extremely important in the technical field.

It is known that the existing connector insertion surface is provided with a plurality of conductive terminals or positioning pins, and a metal wire connected to the terminal is provided inside the connector, so that the terminal can be supplied with output or input an electronic signal or a power source. The terminal is further divided into a male terminal protruding from the plugging surface and a female terminal protruding from the plugging surface, and the two different connectors are inserted into the female terminal via the male terminal to be coupled to each other, and the two connectors are connected to each other. Interposed in a mutually interfering manner via a plurality of latching portions to ensure the stability of the two connectors in the relative insertion and extraction.

However, after the long-term reverse insertion and removal of the male terminal and the female terminal of the two opposite plug connectors, the latching portion between the two connectors is easily worn and loosened, and the terminal is in poor contact. Affects the transmission of electronic signals and power.

In the related prior art, US 7,517,222 provides a configuration in which a magnet is placed on the connector plug surface, which mainly embeds a magnet on the connector plastic body between the roots of the connector terminals to expose the magnet. The part becomes the connector plugging surface; however, in the process of magnet embedded in the plastic system, the adhesive body is adhered to the magnet after the plastic body is formed, so that the stability of the positioning magnet is not good, and the magnet is repeatedly inserted into the connector. There is a possibility of falling off after use.

The inventor has tried to fix the magnet on the plastic body of the connector by means of in-mold injection. The magnet is first placed in the mold and then the plastic body of the connector is ejected from the mold. However, the problem that the magnet is easy to fall off cannot be completely ruled out, and the magnet itself has The magnetic properties are difficult to locate in the mold, which causes troubles in processing; therefore, the above problems are in urgent need of improvement.

The main object of the present invention is to provide a magnetic absorbing connector capable of locating a terminal and capable of generating magnetic attraction to other connectors, and a magnetic assembly thereof, to overcome the above prior art, wherein the male terminal and the female terminal are long-term. After the plugging and unplugging, the latching portion between the two connectors is prone to wear and looseness, and the magnet is prevented from falling off, and the problem of unfavorable processing caused by the use of the magnet is overcome.

In order to achieve the above object, the magnetic absorbing connector of the present invention comprises a magnetic conductive seat around the connector insertion surface, the magnetic conductive seat is made of a magnetic conductive metal, has at least one bottom plate, and extends forward on both sides of the bottom plate. The side plate is filled with a magnet between the bottom plate and the two side plates in an in-mold injection manner, so that the front end surface of the magnet is exposed at the front edge of the connector to form a connector insertion surface, and the magnet is magnetized and aligned during the molding process. Magnetically absorbing when the connector is inserted and removed.

According to the above, during the injection molding of the magnet in the mold, magnetization and alignment are performed on the magnet, so that the magnet generates a magnetic force, and the magnetic attraction strength of the magnet is increased by the magnetic conductive seat, thereby overcoming the use of the magnet and causing unfavorable processing. The problem.

In the following, a specific embodiment of the present invention is further described in which at least one of the side plates is provided with a laterally extending notch on the opposite magnet insertion surface, so that the notch forms a stop portion in a lateral position with respect to the connector insertion direction, so that the magnet During the molding, a convex portion which is embedded in the notch and is stopped by the stopper is formed at a relative position, thereby preventing the magnet from falling off when the connector is inserted and removed, thereby improving the durability of the connector.

The magnet is a mixture of a plastic material and a magnetic substance, and is filled in the magnetic conductive seat during injection molding in the in-mold; in the injection molding process, further, a magnetizer is used to align and magnetize the mixture of the plastic material and the magnetic substance. Acting to make the magnet have the set magnetic properties after molding; and after the magnet is formed, aligned and magnetized, the magnetic lines of force are guided by the two side plates of the magnetic conductive seat, so that the magnetic absorption strength of the magnet can be increased, the gap The design of the stop portion and the convex portion can counteract the force of the drawing direction when the connector is used, and prevent the magnet from falling off from the magnetic conductive seat to achieve the aforementioned effects.

In implementation, the magnetic conductive seat is placed in a mold for injection in the mold.

In implementation, the bottom plate of the magnetic conductive seat is further provided with a plurality of perforations for the connector terminals to pass through, and a plurality of protrusions are arranged in the mold relative to the perforations to pass through the perforations, so that the magnets are formed in the mold and form positioning holes at opposite positions. The connector terminals are assembled and fixed by the perforations of the bottom plate through the positioning holes.

Alternatively, another possible implementation manner is to install a connector terminal on the through hole of the bottom plate before the magnetic conductive seat is placed in the mold, and the magnetic conductive seat is placed in the mold. After injection molding in the mold, the magnet can be wrapped around the root of the connector terminal to complete the connector terminal setting at the same time, without additional assembly.

In the above embodiment including the connector terminal, the mold may further include a filling hole relative to the outer body of the connector, and the mixture of the plastic material and the magnetic substance may be integrally formed with the connector body when the molding magnet is injected into the mold; At this time, in the in-mold injection molding process, the embodiment only needs to be aligned and magnetized for the magnet.

In addition, the magnetic component structure of the magnetic absorbing connector of the present invention comprises a magnetic conductive seat and a magnet, the magnetic conductive seat has at least one bottom plate, and side plates extending forward on both sides of the bottom plate, the magnets are disposed on the bottom plate and the two Between the side plates, the front end surface of the magnet is exposed on the front edge of the connector to form a connector insertion surface for magnetic attraction when the connector is inserted and removed; and at least one side plate of the side plates on both sides of the bottom plate is disposed on the opposite magnetic insertion surface There is a laterally extending notch such that the notch forms a stop in a lateral position relative to the direction in which the connector is inserted, and the magnet forms a projection in the opposite position that is inserted into the notch and is stopped by the stop.

Wherein, the two side plates are extendedly connected at both ends to form a state around the connector insertion surface.

The plurality of notches are respectively disposed at positions where the two side plates meet the bottom plate; or the plurality of the notches are respectively disposed at two ends of the two side plates; or the plurality of the notches are respectively disposed on the two side plates. Both ends of the rear side are laterally inclined so that the length of the side plates between the two ends of the leading edge is greater than the length between the notches at the opposite ends.

However, in order to clearly and fully disclose the present invention, the preferred embodiments are illustrated, and the detailed description of the embodiments will be described as follows:

Referring to the first drawing, a perspective view of a preferred embodiment of the magnetic absorbing connector of the present invention is disclosed, and the second embodiment and the third drawing illustrate the body 1 including a connector and a magnetic pedestal 2; a magnet 3; wherein: the magnetic base 2 is made of a magnetic conductive metal (such as iron), is located around one of the connector faces 10 of the connector body 1, and the magnetic base 2 has at least a bottom plate 20, and is located at the bottom plate 20 side plates 21 extending forwardly on both sides, so that the magnet 3 is filled between the bottom plate 20 and the two side plates 21 in an in-mold manner, so that the front end surface of the magnet 3 is exposed to the front edge of the connector body 1 to form a connector. The plug surface 10 is inserted, and the magnet 3 is magnetized and aligned during the in-mold injection molding process, and the magnetism is generated when the connector body 1 is inserted and removed.

With the above configuration, during the injection of the molded magnet 3 in the mold, magnetization and alignment are performed on the magnet 3, so that the magnet 3 generates a magnetic force, and the magnetostatic strength of the magnet 3 is increased by the magnetic shield 2; The use of magnets described above causes problems that are not conducive to processing.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following, a specific embodiment of the present invention is further described in which at least one of the side plates 21 is provided with a laterally extending notch 22 on the mating face 10 of the magnet 3 such that the notch 22 is in a lateral position with respect to the insertion direction of the connector body 1. A stopper portion 23 is formed such that the magnet 3 is formed with a convex portion 31 that is inserted into the notch 22 and stopped by the stopper portion 23 at a relative position.

Thus, when the connector body 1 is inserted and removed, the stopper portion 23 can stop the convex portion 31, and the brake magnet 3 moves in the insertion direction of the body 1, thereby opposing the force in the drawing direction.

According to this, it is possible to effectively prevent the magnet 3 from self-plugging and unplugging the connector body 1 The magnetic pole 2 is detached to overcome the above-mentioned prior art. After the connector is inserted and pulled for a long period of time, the connector is easily worn out and loosened, and the magnet is prevented from falling off, thereby improving the connector. Durable service life.

The magnet 3 may be a mixture of a plastic material and a magnetic substance for filling in the in-mold injection molding between the bottom plate 20 of the magnetic conductive seat 2 and the two side plates 21; during the injection molding process, a magnetizing machine 6 is further used. The alignment and magnetization of the mixture of the plastic material and the magnetic substance (as shown in Figures 4a to 4c) causes the magnet 3 to have the set magnetic properties after molding.

After the magnet 3 is formed, aligned, and magnetized, the magnetic lines of force are guided by the two side plates 21 of the magnetic conductive base 2, so that the magnetic attraction strength of the magnet 3 can be increased, and the notch 22, the stop portion 23, and the convex portion are increased. The design of the portion 31 can resist the force of the drawing direction when the connector body 1 is used, and prevent the magnet 3 from falling off from the magnetic conductive seat 2 to achieve the aforementioned effects.

When implemented, the magnetic conductive seat 2 can be placed in a set of molds 51, 52 for injection in the mold, and the magnetizer 6 is disposed near the molds 51, 52. The magnetizer 6 is actually a The extremely magnetic electromagnet is equipped with iron pieces of various shapes as an additional magnetic pole, which can form a closed magnetic circuit with the object to be magnetized, and align and magnetize the magnetized object.

During the injection of the molded magnet 3 in the mold, the magnetizer 6 can perform alignment and magnetization on the magnetic pole 2 and the magnet 3 simultaneously, so that the N and S directions of the magnetic substance in the shot are uniform, and the magnetic force is increased. .

In the implementation, the time during which the magnetizer 6 performs the alignment and magnetization inside the molds 51 and 52 is started immediately before the injection molding machine 7 starts to eject the mixture of the plastic material and the magnetic substance inside the molds 51 and 52. Hold Continue until the injection molding machine 7 finishes emitting a mixture of the plastic material and the magnetic substance inside the molds 51, 52.

In implementation, the bottom plate 20 of the magnetic conductive base 2 can be further provided with a plurality of through holes 24 for the terminals 4 of the connector to pass through, and a plurality of studs 53 are arranged in the mold 52 relative to the through holes 24 to pass through the through holes 24, so that the magnets After the injection in the mold, a plurality of positioning holes 32 are formed at the opposite positions, so that the connector terminals 4 are assembled and fixed by the through holes 24 of the bottom plate 20 through the positioning holes 32, and the terminals 4 are exposed on the front end surface of the magnet 3.

Alternatively, another possible embodiment is to install the connector terminal 4 on the through hole 24 of the bottom plate 20 before the magnetic pole 2 is placed in the mold 51, 52, and the magnetic pole 2 is placed in the mold 51, After the injection molding is performed in the mold 52, the magnet 3 can be wrapped around the root of the connector terminal 4 to complete the installation of the connector terminal 4 at the same time, without additionally requiring assembly.

In the above embodiment including the connector terminal 4, the molds 51, 52 may further include a filling hole with respect to the outer body 1 of the connector, and a plurality of wires connecting the plurality of connector terminals 4 in advance on the magnetic conductive base 2, When the mixture of the plastic material and the magnetic material is injected into the molded magnet 3 in the mold, it can be integrally formed with the connector body 1 at the same time; of course, in this embodiment, in the in-mold injection molding process, only the magnet 3 needs to be aligned and charged. magnetic.

Accordingly, the connector body 1 and the magnet 3 are combined in an in-mold ejection manner to improve production efficiency.

The terminal 4 can be divided into a male terminal 4a protruding from the plugging surface 10 and a female terminal 4 recessed, and the male terminal 4a and the female terminal 4 are respectively disposed opposite to the two connector bodies 1 and 1a. When the mating faces 10, 10a of the body 1, 1a are in contact with each other, the male terminal 4a can be inserted into the female terminal 4, and the The magnets 3 can be attracted between the mating faces 10, 10a.

In addition, the magnetic component structure of the magnetic absorbing connector of the present invention comprises a magnetic conductive base 2 and a magnet 3; wherein: the magnetic conductive base 2 has at least one bottom plate 20, and side plates 21 extending forward on both sides of the bottom plate 20. The magnet 3 is disposed between the bottom plate 20 and the two side plates 21, and the front end surface of the magnet 3 is exposed to the front edge of the connector body 1 to form a connector insertion surface 10 for magnetic attraction when the connector is inserted and removed.

In the side plates 21 on both sides of the bottom plate 20, at least one side plate is provided with a laterally extending cutout 22 on the mating surface 10 of the magnet 3, and the notch 22 forms a stop in a lateral position with respect to the plugging direction of the connector body 1. In the portion 23, the magnet 3 forms a convex portion 31 which is inserted into the notch 22 and is stopped by the stopper portion 23 at the opposite position.

In implementation, the two side plates 21 are extended at both ends to form a state around the connector insertion surface (as shown in the second and third figures), and surround the magnet 3 on the inner side of the side plate 21, the gap The plurality of 22 may be disposed at a position where the two side plates 21 and the bottom plate 20 meet, and the stopper portion 23 is parallel to the bottom plate 20, and the convex portion 31 is formed in the notch 22 to contact the stopper portion 23.

When implemented, the side plates 21a may also be in independent states (as shown in the fifth and sixth figures), and the magnets 3a are extended on the outer sides of the side plates 21a. The notches 22a may be plural. They are respectively disposed at the positions where the side plates 21a and the bottom plate 20a meet, and the stopper portion 23a is parallel to the bottom plate 20a. The convex portion 31a is formed in the notch 22a and is in contact with the stopper portion 23a.

Alternatively, the side plates 21b are independent, and the magnets 3b are formed on the outer sides of the two ends of the side plates 21b. The notches 22b may be plural, and are respectively disposed at both ends of the two side plates 21b and extend laterally (as shown in the seventh and eighth figures). As shown) The convex portions 31b correspond to each other, and the stopper portion 23b is parallel to the bottom plate 20b. The convex portion 31b is formed in the notch 22b to be in contact with the stopper portion 23b.

Alternatively, the side plates 21c are independent of each other, and the magnets 3c are formed to extend outside the two ends of the side plates 21c. The notches 22c may be plural, and are respectively disposed at the opposite ends of the two side plates 21c to extend laterally obliquely (such as the ninth figure and the As shown in FIG. 10, the stopper portion 23c is inclined to the bottom plate 20c so that the length of the side plates 21c between the both ends of the leading edge is greater than the length between the notches 22c at the rear side ends; conversely, the two convex portions The distance between the both ends of the trailing edge of 31c is smaller than the distance between the two ends of the leading edge of the two convex portions 31c, and the convex portion 31c is formed in the notch 22c to contact the stopper portion 23c.

The invention is not intended to limit the invention, and other equivalent modifications or substitutions that are not departing from the spirit of the invention are intended to be included in the appended claims. Within the scope.

1, 1a‧‧‧ ontology

10, 10a‧‧‧ plug joint

2‧‧‧Magnetizer

20, 20a, 20b, 20c‧‧‧ bottom plate

21, 21a, 21b, 21c‧‧‧ side panels

22, 22a, 22b, 22c‧‧ ‧ gap

23, 23a, 23b, 23c‧ ‧ stop

24‧‧‧Perforation

3, 3a, 3b, 3c‧‧‧ magnets

31, 31a, 31b, 31c‧‧ ‧ convex

32‧‧‧Positioning holes

4, 4a‧‧‧ terminals

51, 52‧‧‧ mold

53‧‧‧Bump

6‧‧‧Magnetizer

7‧‧‧Injection molding machine

The first figure is a perspective view of a preferred embodiment of the present invention; the second figure is a perspective view of the magnetic base and the magnet in the first figure; the third figure is an exploded perspective view of the second figure; the fourth to fourth c pictures According to the first embodiment, a cross-sectional view of the magnetic base and the magnet in the in-mold injection molding process is disclosed one by one; the fifth figure is a perspective view of an additional embodiment of the second figure; and the sixth figure is the fifth figure. 3 is an exploded perspective view of another embodiment of the second embodiment; FIG. 8 is an exploded perspective view of the seventh embodiment; and FIG. 9 is a perspective view of still another embodiment of the second embodiment; The tenth figure is an exploded perspective view of the ninth figure.

1, 1a‧‧‧ ontology

10, 10a‧‧‧ plug joint

2‧‧‧Magnetizer

20‧‧‧floor

21‧‧‧ side panels

22‧‧‧ gap

3‧‧‧ magnet

31‧‧‧ convex

32‧‧‧Positioning holes

4, 4a‧‧‧ terminals

Claims (12)

A magnetic absorbing connector comprising a magnetic conductive seat around a connector insertion surface, the magnetic conductive seat being made of a magnetic conductive metal, having at least one bottom plate, and side plates extending forward on both sides of the bottom plate for A magnet is filled between the bottom plate and the two side plates in an in-mold injection manner, so that the front end surface of the magnet is exposed at the front edge of the connector to form a connector insertion surface, and the magnet is magnetized and aligned during the molding process for the connector to be inserted and removed. When magnetic. The magnetically absorbing connector of claim 1, wherein at least one of the side plates is provided with a laterally extending notch on the opposite magnet insertion surface, the notch forming a stop at a lateral position with respect to the connector insertion direction. When the magnet is formed, a convex portion that is embedded in the notch and is stopped by the stopper is formed at a relative position. The magnetically absorbing connector according to claim 2, wherein the magnet is a mixture of a plastic material and a magnetic substance, and is filled in the magnetic pole during injection molding in the mold; and is magnetized in the injection molding process. The machine produces a matching and magnetizing effect on the mixture of the plastic material and the magnetic substance, so that the magnet has the set magnetic property after molding. The magnetically absorbing connector of claim 1, wherein the magnetic susceptor is placed in a mold for injection in the mold. The magnetically absorbing connector of claim 4, wherein the bottom plate of the magnetic conductive seat is pre-positioned with a plurality of perforations for the connector terminals to pass through, and the plurality of protrusions are arranged through the perforations in the mold relative to the perforations. After the magnet is ejected in the mold, the positioning hole is formed at the opposite position, and the connector terminal is assembled and fixed by the perforation of the bottom plate through the positioning hole. The magnetically absorbing connector according to claim 4, wherein the magnetic permeability The bottom plate of the seat is pre-set with a plurality of perforations for the connector terminals to pass through. Before the magnetic conductive seat is placed in the mold, the connector terminals are pre-installed on the perforations of the bottom plate, and the magnetic conductive seat is placed in the mold for injection molding in the mold. The magnet is wrapped around the root of the connector terminal while the connector terminal is set. The magnetically absorbing connector of claim 4, wherein the mold comprises a filling hole with respect to the outer body of the connector, and the mixture of the plastic material and the magnetic substance is injected into the molding magnet in the mold, and simultaneously with the connector body One piece. A magnetic component structure of a magnetic absorbing connector comprises a magnetic conductive seat and a magnet, the magnetic conductive seat has at least one bottom plate, and side plates extending forward on both sides of the bottom plate, the magnet being disposed between the bottom plate and the side plates The front end surface is exposed on the front edge of the connector to form a connector insertion surface for magnetic attraction when the connector is inserted and removed; and at least one of the side plates on the two sides of the bottom plate is provided with a laterally extending notch on the opposite magnet insertion surface. The notch forms a stop in a lateral position with respect to the connector insertion direction, and the magnet forms a convex portion which is embedded in the notch and is stopped by the stopper at the opposite position. The magnetic component construction of the magnetic absorbing connector of claim 8, wherein the two side plates are extended at both ends to surround the connector insertion surface. The magnetic component structure of the magnetic absorbing connector according to Item 8 of the patent application, wherein the plurality of notches are respectively disposed at positions where the two side plates meet the bottom plate. The magnetic component structure of the magnetic absorbing connector of claim 8, wherein the plurality of notches are respectively disposed at two ends of the two side plates. The magnetic component structure of the magnetic absorbing connector according to claim 8 , wherein the notch is plural, and the two ends of the two sides of the two sides are laterally inclined and extended so that the two side plates are between the two ends of the leading edge. The length is greater than the length between the notches at the ends of the rear side.