CN112615222A

CN112615222A - Coaxial ring step type connector

Info

Publication number: CN112615222A
Application number: CN201910880060.XA
Authority: CN
Inventors: 赖柄源; 赖启益; 张忠仁
Original assignee: Avertronics Inc
Current assignee: Avertronics Inc
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2021-04-06

Abstract

The invention provides a coaxial ring stepped connector, which comprises a male end plug and a female end plug, the female plug is formed with a plurality of annular planes in a conical convex shape with the electrode tube as the center, the vertical step planes are formed among the annular planes with step-shaped height difference, and the annular plane of the female plug is provided with the first signal ring, the second signal ring, the third signal ring and the outer signal ring in sequence from the center to the outer side, so that the first signal ring, the second signal ring, the third signal ring and the outer signal ring form enough creepage distance through the vertical extension of the vertical step surface, the condition that the creepage distance is too short and the creepage causes the mutual influence can be prevented, and the diameter of the female terminal joint can be greatly reduced by a mode of perpendicularizing the creepage distance so as to effectively reduce the volume in the range of safe use.

Description

Coaxial ring step type connector

Technical Field

The present invention relates to a connector structure capable of being butted at any angle, and more particularly to a coaxial ring step type connector with a tapered structure to reduce the diameter.

Background

Nowadays, a common connector structure, such as "charging connector device for electric vehicle and plug connector and socket connector" of taiwan No. M567967, wherein the first shaft seat, the first annular wall and the first inner annular seat of the plug connector are respectively inserted into the fourth sleeving groove, the third sleeving groove and the outer annular groove of the socket connector, the first conductive cylinder and the second conductive cylinder of the first electrode unit of the plug connector are respectively inserted into the third sleeving groove and the fourth sleeving groove of the socket connector, and are respectively contacted with the third conductive cylinder and the fourth conductive cylinder of the second electrode unit, and it is known that the known structure has some disadvantages, which are mainly caused by the following reasons: the butt joint of the plug connector and the socket connector is realized by inserting the first shaft seat, the first ring wall and the first inner ring seat into the fourth sleeving groove, the third sleeving groove and the outer ring groove, and forming electrical connection by all the conductive cylinders positioned at the side wall positions, when the conductive cylinders keep enough abutting effect, overlarge butt joint resistance can be formed between the plug connector and the socket connector, so that the plug connector and the socket connector have the defect of difficult insertion or extraction, and when the condition of difficult butt joint is improved, the problem of overlarge looseness and poor contact can be generated, so that the defect of arranging the conductive terminals on the side wall surface is overcome, and in addition, in order to assemble all the conductive cylinders and provide enough creepage distance, the first shaft seat, the first ring wall, the first inner ring seat and the fourth sleeving groove, the third sleeving groove and the outer ring groove of the socket connector all need to keep enough thickness, therefore, the diameters of the plug connector and the receptacle connector are difficult to be reduced, so that the connector has the defect of overlarge volume.

Disclosure of Invention

The present invention is directed to solve the above-mentioned drawbacks of the prior art and to provide a coaxial ring step connector capable of effectively reducing the diameter and volume of the connector.

The invention relates to a coaxial ring step type connector, wherein an electrode rod is arranged in the center of a male end plug in a penetrating way, an electrode ring is fixed on the outer ring of the electrode rod by the male end plug, a conical groove is arranged in the male end plug inwards and inwards by taking the electrode rod as the center, a first signal rod, a second signal rod, a third signal rod and an outer signal piece are arranged on the male end plug in a protruding way from the center of the conical groove, an electrode pipe is arranged in the center of a female end plug in a penetrating way, a ring groove is formed on the periphery of the electrode pipe by the female end plug, an annular metal sleeve is arranged in the ring groove, a plurality of annular planes are formed on the female end plug in a conical convex way by taking the electrode pipe as the center, a vertical step surface is formed between the annular planes with step-shaped height difference, and a first signal ring, a second signal ring, a third signal rod and an outer signal piece are sequentially arranged on the outer ring of the male end plug from the center to the outer ring surface of the female, The electrode rod of the male end plug is inserted into the electrode tube of the female end plug, the electrode ring is inserted into the annular metal sleeve, the male end plug is connected with the female end plug in a conical concave-convex mode, the annular plane of the female end plug and the surface of the vertical step face are not in contact with the conical groove of the male end plug, and the first signal rod, the second signal rod, the third signal rod and the outer signal piece can sequentially abut against and press against the first signal ring, the second signal ring, the third signal ring and the outer signal ring from the front side.

Optionally, a blocking plate extends from the male plug to the other side of the conical recess, and the blocking plate is spaced between the electrode rod and the electrode ring.

Optionally, the first signal rod, the second signal rod, the third signal rod and the outside signal member each include an outer rod, an inner rod and a spring, the spring is clamped between the outer rod and the inner rod, the outer rod is fixed to the male plug, and the inner rod is elastically movable in the conical groove.

Optionally, the first signal rod, the second signal rod and the third signal rod each include an outer rod, an inner rod and a spring, the spring is clamped between the outer rod and the inner rod, the outer rod is fixed to the male plug, the inner rod is elastically movable in the conical groove, the outer signal member is in a shape of a bullet piece, a silver contact is arranged at the tail end of the outer signal member, and the silver contact is elastically movable in the conical groove.

Optionally, the annular metal sleeve is integrally bent with a plurality of elastic frames in the same direction by a connecting ring, and each elastic frame extends from the inner edge far away from the connecting ring to the center to form a conductive sheet, so that the outward expansion elasticity of the elastic frame can be pressed against the inner wall of the annular groove, and the conductive sheet is elastically protruded towards the electrode tube.

Optionally, an outer frame is convexly disposed on a reverse side of the conical recess of the male plug, and the outer frame encloses peripheries of the electrode rod, the electrode ring, the first signal rod, the second signal rod, the third signal rod and the outer signal member, and after the male plug is connected with the corresponding wires, a hot melt adhesive layer is formed in the outer frame of the male plug in a filling and sealing manner.

Optionally, the first signal ring, the second signal ring, the third signal ring and the outer signal ring are all inserted into the female plug to form a power connection supporting leg, the female plug surrounds the electrode tube, the annular metal sleeve and the power connection supporting leg to form a frame, and after the female plug is connected with the corresponding electric wire, a hot melt adhesive part is formed in the frame of the female plug in a sealing manner by filling material.

Optionally, the first signal ring, the second signal ring, the third signal ring and the outer signal ring are all formed with an inner concave ring groove protruding on the annular plane.

The invention has the beneficial effects that: 1. the female end plug is provided with a plurality of annular planes in a conical convex shape by taking the electrode tube as a center, the vertical step surfaces are formed among the annular planes, and the annular planes of the female end plug are sequentially provided with the first signal ring, the second signal ring, the third signal ring and the outer signal ring from the center to the outer side.

2. The male end plug is provided with the conical groove inwards concave by taking the electrode rod as a center, the female end plug is provided with a plurality of annular planes in a conical convex shape by taking the electrode tube as a center, and the annular planes of the female end plug and the surface of the vertical step surface are not contacted with the conical groove of the male end plug when a user is butted with the male end plug and the female end plug through the structural characteristics, namely, only the electrode rod and the electrode ring of the male end plug are extruded and inserted into the female end plug in the butting process, so that the practical effects of easy butting combination, stable power supply conduction and signals are achieved.

Other objects, advantages and novel features of the invention will become apparent from the following detailed description of the invention when considered in conjunction with the drawings.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded perspective view of the present invention.

Fig. 3 is a partial cross-sectional view of the female plug of the present invention.

Fig. 4 is a top view of the male plug of the present invention.

FIG. 5 is a schematic cross-sectional view of the present invention prior to docking.

FIG. 6 is a schematic cross-sectional view of the present invention after docking.

FIG. 7 is a schematic cross-sectional view of the present invention after filling with molten glue.

Fig. 8 is a cross-sectional view of another embodiment of the present invention.

In the figure:

male end plug-10; an outer bar- -101; an inner rod-102;

a spring- - -103; an electrode rod-11; barrier panel-111;

electrode ring- - -12; a conical recess-13; a first signal rod-14;

a second signal rod-15; a third signal rod-16; an outboard signal piece-17;

silver contact-171; an outer frame-18; 19, a hot melt adhesive layer;

female end plug-20; a ring groove-201; electrode tube-21;

an annular metal sleeve-22; a connecting ring- -221; flexible frames-222;

a conductive pad-223; annular flat-23; vertical step surface-231;

a first signal loop-24; a second signal loop-25; a third signal loop-26;

an outer signal ring-27; concave ring grooves-241, 251, 261, 271;

electrical connection legs-242, 252, 262, 272; frame-28;

hot melt adhesive portion-29; wire- -A, B.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

As shown in fig. 1 to 5, a coaxial ring step connector includes: a male plug 10 and a female plug 20, an electrode rod 11 is inserted through the center of the male plug 10, an electrode ring 12 is fixed on the outer ring of the electrode rod 11 of the male plug 10, the male plug 10 is provided with a conical recess 13 inwards with the electrode rod 11 as the center, the male plug 10 is provided with a first signal rod 14, a second signal rod 15, a third signal rod 16 and an outer signal element 17 outwards and convexly arranged from the center of the conical recess 13, a blocking plate 111 extends from the other side of the conical recess 13 of the male plug 10, the blocking plate 111 is spaced between the electrode rod 11 and the electrode ring 12, thereby preventing the electrode rod 11 and the electrode ring 12 from being short-circuited with each other, the first signal rod 14, the second signal rod 15, the third signal rod 16 and the outer signal element 17 all comprise an outer rod 101, an inner rod 102 and a spring 103, the spring 103 is clamped between the outer rod 101 and the inner rod 102, the outer rod 101 is fixed on the male plug 10, and the inner rod 102 is elastically movable in the conical groove 13;

an electrode tube 21 is penetrated through the center of a female plug 20, an annular groove 201 is formed on the periphery of the electrode tube 21 by the female plug 20, an annular metal sleeve 22 is arranged in the annular groove 201, a plurality of elastic frames 222 are integrally bent by a connecting ring 221 in the same direction by the annular metal sleeve 22, a conductive sheet 223 extends towards the center from the inner edge far away from the connecting ring 221 by the elastic frames 222, the outward expansion elasticity of the elastic frames 222 can be pressed against the inner wall of the annular groove 201, thereby the metal elasticity is utilized to generate the effect of easy assembly, the conductive sheet 223 is elastically protruded towards the electrode tube 21 direction and can also effectively press against the electrode ring 12, a plurality of annular planes 23 are formed on the female plug 20 in a conical convex shape by taking the electrode tube 21 as the center, a vertical step surface 231 is formed between the annular planes 23 with step-shaped height difference, and a first signal ring 24 is sequentially arranged from the center to the outside by the annular plane 23 of the female plug 20, A second signal ring 25, a third signal ring 26 and an outer signal ring 27, wherein the first signal ring 24, the second signal ring 25, the third signal ring 26 and the outer signal ring 27 are formed with an inner

concave ring groove

241, 251, 261, 271 at the position protruding from the annular plane 23, accordingly, the second signal ring 25 is located at the outer edge of the first signal ring 24 and is formed with a step height difference, the third signal ring 26 is located at the outer edge of the second signal ring 25 and is formed with a step height difference, and the outer signal ring 27 is located at the outer edge of the third signal ring 26 and is formed with a step height difference, thereby forming a coaxial ring step structure.

The structure of the assembly is shown in fig. 2 and fig. 7, the electrode rod 11 is inserted from the center of the back of the male plug 10, the electrode ring 12 is disposed on the outer ring of the electrode rod 11 from the front of the male plug 10, the first signal rod 14, the second signal rod 15, the third signal rod 16 and the outer signal member 17 are sequentially inserted from the center of the male plug 10 to the outside, an outer frame 18 is protruded from the back of the conical recess 13 of the male plug 10, the outer frame 18 surrounds the electrode rod 11, the electrode ring 12, the first signal rod 14, the second signal rod 15, the third signal rod 16 and the outer signal member 17, after the male plug 10 is connected with the corresponding wire a, a hot melt adhesive layer 19 is formed by filling and sealing in the outer frame 18 of the male plug 10, and the electrode tube 21 is inserted from the center of the back of the female plug 20, the annular metal sleeve 22 is disposed in the annular groove 201 from the front surface of the female plug 20, and then sequentially passes the first signal ring 24, the second signal ring 25, the third signal ring 26 and the outer signal ring 27 through the female plug 20 to form a

power connection leg

242, 252, 262, 272, and the female plug 20 surrounds the electrode tube 21, the annular metal sleeve 22 and the

power connection legs

242, 252, 262, 272 to form a frame 28, and after the female plug 20 is connected to the corresponding wire B, the frame 28 of the female plug 20 is filled with a thermal melting glue portion 29, so that the thermal melting glue layer 19 and the thermal melting glue portion 29 are filled in the outer frame 18 and the frame 28, thereby stabilizing the connection strength of the male plug 10 and the female plug 20 to the external wire a, effectively preventing the wire a from being separated, and achieving the function of blocking by filling the thermal melting glue layer 19 and the thermal melting glue portion 29, external moisture cannot pass through the male plug 10 and the female plug 20, so as to improve the durability of the connector.

In practical use, as shown in fig. 5 and fig. 6 in conjunction with fig. 2, the electrode rod 11 of the male plug 10 is inserted into the electrode tube 21 of the female plug 20, and the electrode ring 12 is inserted into the annular metal sleeve 22, wherein the electrode rod 11 and the electrode tube 21 can be connected to a positive circuit or a negative circuit according to the use requirement, and the electrode ring 12 and the annular metal sleeve 22 are connected to circuits with different polarities in an opposite manner, so that the male plug 10 and the female plug 20 can form a power supply after being butted, wherein the electrode ring 12 and the annular metal sleeve 22 can form a large-area contact, thereby achieving the function of setting the electrode ring 12 to be positive, enabling the male plug 10 and the female plug 20 to be applied to a large-current device (e.g., more than 50 amperes), and enabling the male plug 10 and the female plug 20 to be engaged with a conical concave-convex surface, and a conical concave surface, and the first signal rod 14, a second signal rod 14, and a third signal rod 12, The second signal rod 15, the third signal rod 16 and the outer signal member 17 can sequentially abut against the inner

concave ring grooves

241, 251, 261 and 271 of the first signal ring 24, the second signal ring 25, the third signal ring 26 and the outer signal ring 27 from the front, and then the inner rod 102 is pushed by the elastic force of the spring 103, so that the end of the inner rod 102 stably abuts against the inner

concave ring grooves

241, 251, 261 and 271, and the signal transmission function can be achieved by a sufficient contact area, and by means of the structure of the above specific embodiment, the following benefits can be obtained: the female plug 20 is formed with a plurality of annular flat surfaces 23 in a conical convex shape with the electrode tube 21 as a center, the vertical step surfaces 231 are formed between the annular flat surfaces 23 with step-like height differences, and the annular plane 23 of the female plug 20 is sequentially provided with the first signal ring 24, the second signal ring 25, the third signal ring 26 and the outer signal ring 27 from the center to the outside, so that a sufficient creepage distance is formed among the first signal ring 24, the second signal ring 25, the third signal ring 26 and the outer signal ring 27 by the vertical extension of the vertical step surface 231, the condition that the creepage distance is too short and the mutual influence is caused by the creepage can be prevented, and the diameter of the female terminal 20 can be greatly reduced by a way of perpendicularizing the creepage distance so as to effectively reduce the volume in the safe use range; the male end plug 10 is provided with the conical groove 13 inwards concave by taking the electrode rod 11 as a center, and the female end plug 20 is provided with a plurality of the annular planes 23 in a conical convex shape by taking the electrode tube 21 as a center, so that when a user butt joints the male end plug 10 and the female end plug 20, the annular planes 23 and the surfaces of the vertical step surfaces 231 of the female end plug 20 are not in contact with the conical groove 13 of the male end plug 10, namely, only the electrode rod 11 and the electrode ring 12 of the male end plug 10 are extruded and inserted into the female end plug 20 in the butt joint process, and therefore, the practical effects of easy butt joint combination and stable power and signal conduction are achieved.

In another embodiment of the present invention, the first signal rod 14, the second signal rod 15 and the third signal rod 16 of the male plug 10 each include an outer rod 101, an inner rod 102 and a spring 103, and the spring 103 is sandwiched between the outer rod 101 and the inner rod 102, and the outer rod 101 is fixed to the male plug 10, and the inner rod 102 is elastically movable in the conical groove 13, and the main difference is that the outer signal member 17 is provided with a silver contact 171 at the end thereof in a spring shape, and the silver contact 171 is elastically movable in the conical groove 13, and the silver contact 171 is stably abutted against the inner concave ring groove 241 of the outer signal ring 27, so as to increase the reaction speed through the outer signal member 17 in a spring shape, when the male plug 10 and the female plug 20 are deviated or obliquely vibrated, the outer signal member 17 and the outer signal ring 27 will generate the largest jumping gap, further, the elastic piece of the outer signal member 17 is stably connected to the silver contact 171.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims

1. A coaxial ring step connector, comprising:

a male plug, an electrode rod is arranged in the center of the male plug in a penetrating manner, an electrode ring is fixed on the outer ring of the electrode rod of the male plug, a conical groove is inwards recessed by taking the electrode rod as the center of the male plug, and a first signal rod, a second signal rod, a third signal rod and an outer signal component are arranged on the male plug in a protruding manner from the center of the conical groove to the outer side; and

a female plug, an electrode tube is arranged in the center of the female plug, a ring groove is formed on the periphery of the electrode tube by the female plug, an annular metal sleeve is arranged in the ring groove, the female plug takes the electrode tube as the center and forms a plurality of annular planes in a conical convex shape, a vertical step surface is formed between the annular planes with step-shaped height difference, a first signal ring, a second signal ring, a third signal ring and an outer signal ring are sequentially arranged on the annular plane of the female plug from the center to the outer side, an electrode rod of the male plug is inserted in the electrode tube of the female plug, the electrode ring is inserted in the annular metal sleeve, the male plug is jointed with the female plug in a conical concave-convex surface, the annular plane of the female plug and the surface of the vertical step surface are not contacted with the concave groove of the male plug, and the first conical signal rod, The second signal rod, the third signal rod and the outer signal piece can sequentially abut against the first signal ring, the second signal ring, the third signal ring and the outer signal ring from the front side.

2. The coaxial ring step connector of claim 1, wherein the male plug has a blocking plate extending from the other side of the conical recess, the blocking plate being spaced between the electrode rod and the electrode ring.

3. The coaxial annular step connector of claim 1, wherein the first signal bar, the second signal bar, the third signal bar and the outer signal member each comprise an outer bar, an inner bar and a spring, the spring is clamped between the outer bar and the inner bar, the outer bar is fixed to the male plug, and the inner bar is elastically movable in the conical recess.

4. The coaxial ring stepped connector of claim 1, wherein the first signal bar, the second signal bar and the third signal bar each comprise an outer bar, an inner bar and a spring, the spring is clamped between the outer bar and the inner bar, the outer bar is fixed to the male plug, the inner bar is elastically movable in the conical recess, the outer signal member is in the form of a spring piece, a silver contact is disposed at the end of the outer signal member, and the silver contact is elastically movable in the conical recess.

5. The coaxial stepped ring connector as claimed in claim 1, wherein the annular metal sleeve is integrally bent with a plurality of elastic frames in the same direction by a connection ring, and the elastic frames each have a conductive strip extending from an inner edge of the connection ring toward the center thereof, so that the outward expansion elasticity of the elastic frame can be pressed against the inner wall of the annular groove, and the conductive strips are elastically protruded toward the electrode tube.

6. The coaxial ring stepped connector of claim 1, wherein a frame is protruded from a back surface of the conical recess of the male plug, and the frame encloses peripheries of the electrode rod, the electrode ring, the first signal rod, the second signal rod, the third signal rod and the outer signal member, and a thermal melting adhesive layer is formed by filling and sealing in the frame of the male plug after the male plug is connected to the corresponding electric wire.

7. The coaxial ring stepped connector of claim 1, wherein the first signal ring, the second signal ring, the third signal ring and the outer signal ring are all formed with an electrical connection leg by passing through the female plug, the female plug encloses the electrode tube, the annular metal sleeve and the electrical connection leg to form a frame, and after the female plug is connected with the corresponding electrical wire, a hot melt adhesive part is formed by filling and sealing in the frame of the female plug.

8. The coaxial ring step connector of claim 1, wherein the first signal ring, the second signal ring, the third signal ring and the outer signal ring are formed with an inner concave ring groove protruding from the annular flat surface.