CN209860185U

CN209860185U - Magnetic socket connector

Info

Publication number: CN209860185U
Application number: CN201920424124.0U
Authority: CN
Inventors: 唐敏; 杨伟
Original assignee: JUST CONNECTOR KUNSHAN CO Ltd
Current assignee: JUST CONNECTOR KUNSHAN CO Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-12-27
Anticipated expiration: 2029-03-29

Abstract

A magnetic suction type socket connector comprises a plurality of cylindrical terminals, an insulating inner shell integrally formed with the cylindrical terminals, a magnetic suction piece, an insulating outer shell integrally formed with the insulating inner shell and the magnetic suction piece, and a waterproof ring sleeved on the insulating outer shell, wherein the insulating outer shell comprises a base body, a butt joint surface formed at the front end of the base body and a magnetic suction surface, the magnetic suction surface is positioned at the periphery of the butt joint surface and is concave, the cylindrical terminals comprise contact ends exposed out of the butt joint surface, and the magnetic suction piece comprises a magnetic suction part coated on the magnetic suction surface; this application magnetism is inhaled formula socket connector cooperation magnetic force and is strong, and waterproof performance is good.

Description

Magnetic socket connector

Technical Field

The present application relates to the field of electrical connectors, and more particularly to a magnetic socket connector.

Background

The patent application No. 201621282107.0 of the people's republic of china discloses a magnetic suction type socket, which comprises a plurality of cylindrical terminals, a shell which is formed by molding the cylindrical terminals into a whole, a connecting terminal and other parts which are connected with the cylindrical terminals, and a magnetic shell which is coated outside the shell. The magnetic shell is coated outside the shell and is in magnetic fit with the butting connector through the front side edge, the magnetic force is not enough, and the waterproof design is not facilitated.

Meanwhile, the cylindrical terminal is generally obtained by CNC milling, so that the processing cost is expensive and the cost is not controlled easily.

SUMMERY OF THE UTILITY MODEL

Therefore, there is a need to provide a magnetic socket connector to solve the problems of magnetic force and water resistance.

In order to solve the technical problem, the application provides a formula socket connector is inhaled to magnetism, including a plurality of cylindricality terminals, with cylindricality terminal integrated into one piece's insulating inner shell, magnetism inhale the piece, will insulating inner shell with magnetism inhale the piece shaping and locate in insulating outer shell and the cover of an organic whole waterproof circle on the insulating outer shell, insulating outer shell include the base part and form in the butt joint face and the magnetism face of inhaling of base part front end, magnetism inhale the face and be located butt joint face periphery and sunken, the cylindricality terminal including expose in the contact jaw of butt joint face, magnetism inhale the piece including the cladding in magnetism portion of inhaling on the face is inhaled.

Preferably, the cylindrical terminal includes a holding portion, and a connecting end and a contact end formed at both ends of the holding portion, and a front end surface of the contact end is flush with the mating surface.

Preferably, the insulating inner housing includes a main body portion and a terminal hole formed during molding and used for fixing the cylindrical terminal, and the contact end of the cylindrical terminal extends out of the main body portion in the inserting and extracting direction.

Preferably, when the insulating housing is molded, the outer peripheral surface of the contact end of the cylindrical terminal is completely covered by the insulating housing.

Preferably, the inner insulating shell further comprises a plurality of irregular protruding portions protruding from the periphery of the main body portion in the longitudinal direction, the protruding portions extend out of the main body portion in the longitudinal direction, and notches or protruding blocks are arranged on the protruding portions.

Preferably, the insulating outer shell covers the protrusion to enhance a coupling force between the insulating inner shell and the insulating outer shell.

Preferably, the insulating outer shell comprises a base body part for forming the insulating inner shell inside, and lug parts formed by extending backwards and outwards from two lateral sides of the base body part; the periphery of the base body is provided with a mounting groove for sleeving the waterproof ring, the magnetic attraction surface is the front end surface of the base body, and the butt joint surface is formed by protruding from the front end surface.

Preferably, the magnetic part comprises a frame part with an opening and a fixing part formed by bending and extending backwards from two transverse sides of the frame part, and the magnetic part is arranged on the frame part.

Preferably, the fixing portion includes a bent portion bent rearward from the frame portion, an inclined extension portion bent inward from the bent portion and extending obliquely, and a fixing leg bent rearward from the inclined extension portion and extending.

Preferably, the inclined extension portion penetrates through the base portion from the inner side of the mounting groove of the base portion, the fixing leg is molded in an ear portion of the insulating housing, and one surface of the fixing leg is exposed to one surface of the ear portion.

According to the magnetic suction type socket connector, the plurality of cylindrical terminals are fixed through the insulating inner shell, then the insulating inner shell and the magnetic suction piece are fixed relatively, and then the insulating inner shell and the magnetic suction piece are subjected to injection molding again to form the insulating outer shell, so that the waterproof performance is improved; and the magnetic part of the magnetic part is arranged on the magnetic surface, so that the magnetic attraction area is increased, and the magnetic attraction force is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.

FIG. 1 is a perspective view of a magnetic socket connector according to the present application;

FIG. 2 is a perspective view of the magnetic socket connector of the present application at another angle;

FIG. 3 is an exploded perspective view of the magnetic socket connector of the present application;

FIG. 4 is a perspective view of the inner insulator of the magnetic socket connector of the present application;

FIG. 5 is a perspective view of a cylindrical terminal of the magnetic socket connector of the present application;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 7 is a cross-sectional view taken along the line B-B in FIG. 2;

fig. 8-10 are schematic views illustrating the stamping state change of the cylindrical terminal of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings.

Referring to fig. 1 to 3, the magnetic socket connector of the present application includes a cylindrical terminal 30, an insulating inner shell 20 integrally formed with the cylindrical terminal 30, a magnetic element 50, an insulating outer shell 10 integrally formed with the insulating inner shell 20 and the magnetic element 50, and a waterproof ring 40 sleeved on the insulating outer shell 10.

As shown in fig. 3 to 7, the cylindrical terminal 30 includes a holding portion 33, and a contact end 31 and a connection end 32 formed at two ends of the holding portion 33. The outer diameter of the holding portion 33 is larger than the outer diameters of the contact end 31 and the connection end 32, and the outer diameter of the holding portion 33 decreases gradually towards the outer diameters of the contact end 31 and the connection end 32.

The inner housing 20 includes a main body 21, a terminal hole 22 formed during molding for fixing the cylindrical terminal 30, and a plurality of irregular protrusions 23 formed to protrude in a longitudinal direction from the outer circumference of the main body 21. The protruding portion 23 extends out of the main body portion 21 in the longitudinal direction, and a notch or a bump is provided on the protruding portion 23. The connecting end 32 and the contact end 31 of the cylindrical terminal 30 are exposed outside the insulating inner housing 20 in the longitudinal direction.

The magnetic element 50 is made of metal, so that the magnetization is magnetic or can be attracted by a magnetic element. The magnetic part 50 includes a frame 51 and a fixing portion 52 formed by bending and extending from two lateral sides of the frame 51. The frame 51 includes an opening 513, a magnetic portion 511 formed on an outer periphery of the opening 513, and an insertion portion 512 bent backward from the magnetic portion 511. The fixing portion 52 includes a bent portion 521 bent backward from the frame portion 51, an inclined extension portion 522 bent inward from the bent portion 521 and extending obliquely, a connecting portion 523 bent backward from the inclined extension portion 522 and extending obliquely, and a fixing leg 524 bent vertically from a lower side of the connecting portion 523 and extending in parallel. The fixing leg 524 is provided with a fixing hole 525.

With continued reference to fig. 1, 2 and 3, the outer insulating housing 10 includes a base portion 11 formed with the inner insulating housing 20 therein, and ear portions 12 extending rearward and outward from both lateral sides of the base portion 11. An installation groove 13 for sleeving the waterproof ring 40 is formed on the periphery of the base part 11. The base body 11 includes a mating surface and a magnetic attraction surface 16 located at the periphery of the mating surface, and the end surface of the contact end 31 of the cylindrical terminal 30 is flush with the mating surface and protrudes from the opening 513 of the magnetic attraction member 50 to the magnetic attraction surface 16.

Referring to fig. 3, fig. 6 and fig. 7, the magnetic portion 511 of the frame 51 of the magnetic member 50 is wrapped on the magnetic surface 16 for attracting the magnetic element of the mating connector. The fitting portion 512 at the rear end of the magnetic part 511 is fitted into the base body 11, the bent portion 521, the inclined extension portion 522, and a part of the connecting portion 523 of the fixing portion 52 are embedded into the base body 11, and a part of the connecting portion 523 and the fixing leg 524 are embedded into the ear portion 12. The upper or lower surface of the fixing leg 524 is exposed out of one side surface of the ear 12 for welding, and the ear 12 is provided with a fixing hole 525 corresponding to the fixing hole on the fixing leg 524. The inclined extension 522 is inclined inward to avoid the installation groove 13 of the waterproof ring 40.

As shown in fig. 6 and 7, the contact end 31 of the cylindrical terminal 30 is formed to cover the insulating housing 10, that is, to cover the position of the butt-joint surface of the insulating housing 10; therefore, the insulating outer shell 10 can completely cover the cylindrical terminal 30, so that the waterproof performance is improved, and the insulating inner shell 20 is mainly used for fixing the cylindrical terminal 30, so that the magnetic piece 50 and the insulating inner shell can be conveniently subjected to injection molding again. The protrusion 23 of the inner insulating housing 20 is embedded in the outer insulating housing 10, and the irregular protrusion 23 can make the inner insulating housing 20 form an integral structure with the outer insulating housing 10 more firmly.

The utility model provides a cylindricality terminal 30 symmetric distribution on the butt joint face of formula socket connector is inhaled to magnetism to support the function of positive and negative inserting.

As shown in fig. 8 to 10, the post terminal 30 is formed by CNC machining, which is a high cost process, and the present application introduces a stamping forming process for the post terminal 30 to reduce the manufacturing cost of the post terminal 30. The press-forming method of the post terminal 30 includes:

s10, providing a sheet metal 41, and forming two end parts 42 at the end parts of the two sides of the sheet metal through a stamping and drawing process;

this step is to cut both lateral sides of the sheet metal 41 first, leaving the connecting portion 43 of the sheet metal 41 and the end portion 42 without disconnecting the sheet metal 41 from the both end portions 42; then, the both end portions 42 are molded by a drawing process to form the both end portions 42 including the end surface 421, the outer peripheral portion 422, and the opening end 44. At this time, the end surface 421 is parallel to the plate metal 41.

S20, the end portions 42 are bent perpendicularly around the connecting portion 43 so that the end faces 421 are perpendicular to the plate-like metal 41.

In this step, the both end portions 42 are vertically bent upward around the connecting portion 43 so that the open ends 44 of the both end portions face the plate-like metal 41 and the end faces 421 face outward.

S30, curling the sheet metal 41 to make the two longitudinal ends of the sheet metal 41 join or correspond to each other.

After the sheet metal 41 is curled at this step, the sheet metal 41 is formed in a cylindrical shape, and both lateral sides of the sheet metal 41 correspond to edges of the open ends 44 of the two end portions 42. In the punching, a groove may be punched in the longitudinal direction of the sheet metal 41, so that the outer diameter of the cylindrical portion of the sheet metal 41 is larger than the outer diameters of the two end portions 42 to increase the holding force with the inner insulating housing 20.

According to the magnetic socket connector, the plurality of cylindrical terminals 30 are fixed through the insulating inner shell 20, then the insulating inner shell 20 and the magnetic part 50 are fixed relatively and then are subjected to injection molding again to form the insulating outer shell 10, and the waterproof performance is improved; the magnetic part 511 of the magnetic element 50 is disposed on the magnetic surface 16 to increase the magnetic attraction area and improve the magnetic attraction force.

Simultaneously, the cylindricality terminal 30 of this application can also be made through stamping forming's mode, has reduced through CNC milling process the cost of cylindricality terminal.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a formula socket connector is inhaled to magnetism, its characterized in that, including a plurality of cylindricality terminals, with cylindricality terminal integrated into one piece's insulating inner shell, magnetism inhale the piece, will insulating inner shell with magnetism inhale the piece shaping and locate in insulating outer shell and the cover of an organic whole waterproof circle on the insulating outer shell, insulating outer shell includes the base part and form in the butt joint face and the magnetism face of inhaling of base part front end, the magnetism face of inhaling is located the butt joint face periphery and sunken, the cylindricality terminal including expose in the contact jaw of butt joint face, magnetism inhale the piece including the cladding in magnetism portion of inhaling on the face.

2. The magnetic socket connector according to claim 1, wherein the cylindrical terminal includes a holding portion, and a connecting end and a contact end formed at both ends of the holding portion, and a front end surface of the contact end is flush with the mating surface.

3. The magnetic socket connector according to claim 2, wherein the inner housing includes a main body portion, and a terminal hole formed during molding for fixing the cylindrical terminal, and the contact end of the cylindrical terminal extends out of the main body portion in the inserting and extracting direction.

4. The magnetic socket connector according to claim 3, wherein the insulating housing fully covers an outer peripheral surface of the contact end of the cylindrical terminal when the insulating housing is molded.

5. The magnetic socket connector according to claim 3, wherein the inner housing further comprises a plurality of irregular protrusions formed by protruding from the outer periphery of the main body in the longitudinal direction, the protrusions extending out of the main body in the longitudinal direction, and the protrusions are provided with notches or protrusions.

6. The magnetic socket connector according to claim 5, wherein the insulating outer shell covers the protrusion to enhance the coupling force between the insulating inner shell and the insulating outer shell.

7. A magnetic socket connector according to claim 1 or 3, wherein the outer insulative housing includes a base portion in which the inner insulative housing is molded, and lug portions formed to extend rearward and outward from both lateral sides of the base portion; the periphery of the base body is provided with a mounting groove for sleeving the waterproof ring, the magnetic attraction surface is the front end surface of the base body, and the butt joint surface is formed by protruding from the front end surface.

8. A magnetic suction type socket connector according to claim 7, wherein the magnetic suction member includes a frame portion having an opening and a fixing portion formed by bending and extending backward from both lateral sides of the frame portion, and the magnetic suction portion is provided on the frame portion.

9. The magnetic-type receptacle connector according to claim 8, wherein the fixing portion includes a bent portion bent rearward from the frame portion, an inclined extension portion bent inward from the bent portion and extending obliquely, and a fixing leg bent rearward from the inclined extension portion and extending.

10. The magnetic socket connector according to claim 9, wherein the inclined extension portion penetrates the base body portion from an inner side of the mounting groove of the base body portion, the fixing leg is formed in an ear portion of the insulating housing, and a side surface of the fixing leg is exposed to a side surface of the ear portion.