TWI700869B - Coaxial ring step connector - Google Patents

Abstract

A coaxial ring stepped connector, which includes a male end plug and a female end plug. The female end plug is formed with a plurality of the annular planes in a conical convex shape with the electrode tube as the center. The stepped height difference is formed with the vertical step surface, and the annular plane of the female end plug is sequentially arranged with the first signal ring, the second signal ring, the third signal ring and the outer signal ring from the center to the outside , So that through the vertical extension of the vertical terrace, sufficient creepage distance is formed between the first signal ring, the second signal ring, the third signal ring and the outer signal ring, which can prevent the creepage If the distance is too close and the power jumps to cause mutual influence, the diameter of the female end connector can be greatly reduced by the method of vertical creepage distance, so as to effectively reduce the volume within the scope of safe use.

Description

Coaxial ring step connector

The present invention relates to a connector structure that can be docked at any angle, in particular to a coaxial ring-stepped connector with a conical structure that is reduced in size.

According to a conventional connector structure, such as the "Electric Vehicle Charging Connector Device and its Plug Connector and Socket Connector" approved by the Bureau of Jun. Bureau on October 1, 107 with the certificate No. M567967. The first shaft seat, the first ring wall and the first inner ring seat of the plug connector are respectively inserted into the fourth socket groove, the third socket groove and the outer ring groove of the socket connector. The first socket of the plug connector The first conductive cylinder and the second conductive cylinder of an electrode unit are respectively inserted into the third socket groove and the fourth socket groove of the socket connector, and are respectively connected with the third conductive cylinder and the fourth conductive cylinder of the second electrode unit In contact, it is not difficult to find some shortcomings in the above-mentioned conventional structure. The main reasons are as follows: the plug connector and the socket connector are connected by the first shaft seat and the first ring wall. And the first inner ring seat are inserted into the fourth socket groove, the third socket groove and the outer ring groove, and are electrically connected by all the conductive cylinders located on the side walls of each other. If the above-mentioned conductive cylinders should maintain sufficient interference effect It will cause the plug connector and the socket connector to form excessive mating resistance, which makes it difficult to insert or pull out. If you want to improve the difficult mating situation, it will cause excessive looseness and contact. The problem of poor performance is the shortcoming of arranging the conductive terminals on the side wall surface. Furthermore, in order to assemble all the conductive cylinders and provide sufficient creepage distance, the first shaft seat and the first ring wall of the plug connector , The first inner ring seat and the fourth socket groove, the third socket groove and the outer ring groove of the socket connector must all maintain sufficient thickness, so the plug connector and the The diameter of the socket connector will be difficult to reduce, so there is a defect that the connector is too large.

In view of this, the inventor of the present invention has been engaged in the manufacturing, development and design of related products for many years. Aiming at the above-mentioned goals, after detailed design and careful evaluation, he finally obtained a practical invention.

The technical problem to be solved by the present invention is to provide a coaxial ring stepped connector in view of the above-mentioned defects in the prior art.

An electrode rod is penetrated in the center of a male end plug, and an electrode ring is fixed to the outer ring of the electrode rod. The male end plug is recessed with a conical groove centered on the electrode rod, and The male end plug is provided with a first signal rod, a second signal rod, a third signal rod and an outer signal piece protruding from the center of the conical groove to the outside, an electrode tube is penetrated in the center of a female end plug, and The female end plug is formed with a ring groove on the periphery of the electrode tube, and an annular metal sleeve is installed in the ring groove. The female end plug is formed with a plurality of ring planes in a conical convex shape with the electrode tube as the center. There is a stepped height difference between the annular planes to form a vertical stepped surface, and the annular plane of the female plug is sequentially arranged from the center to the outside with a first signal ring, a second signal ring, a third signal ring and An outer signal ring, the electrode rod of the male end plug is inserted into the electrode tube of the female end plug, and the electrode ring is inserted into the annular metal sleeve, so that the male end plug and the female end plug are conical Concave-convex surfaces are engaged, the surface of the annular plane and the vertical step surface of the female end plug 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 The outer signal member can press the first signal ring, the second signal ring, the third signal ring and the outer signal ring sequentially.

Wherein, the male end plug extends with a barrier on the other side of the conical groove The barrier plate is spaced between the electrode rod and the electrode ring.

Wherein, the first signal rod, the second signal rod, the third signal rod, and the outer signal member all include an outer rod, an inner rod, and a spring, and the spring is clamped between the outer rod and the inner rod In addition, the outer rod is fixed to the male end plug, and the inner rod is elastically movable in the conical groove.

Wherein, the first signal rod, the second signal rod and the third signal rod all include an outer rod, an inner rod and a spring, and the spring is sandwiched between the outer rod and the inner rod, and the outer rod The rod is fixed to the male end plug, and the inner rod is elastically movable in the conical groove, and the outer signal member is provided with a silver contact at the end in the shape of an elastic sheet, and the silver contact is elastically movable on the cone形槽内。 In the groove.

Wherein, the annular metal sleeve is integrally bent with a connecting ring in the same direction with a plurality of elastic frames, and the elastic frames all have a conductive sheet extending from the inner edge away from the connecting ring to the center, so that the elastic frame is expanded It can be pressed against the inner wall of the ring groove, and the conductive sheet is elastically protruding toward the electrode tube.

Wherein, the reverse surface of the conical groove of the male end plug is protruded with an outer frame, and the outer frame surrounds the electrode rod, the electrode ring, the first signal rod, the second signal rod, and the third signal rod And the outer periphery of the outer signal component, and after the male end plug is connected to the corresponding wire, a hot melt adhesive layer is formed in the outer frame of the male end plug to be filled and sealed.

Wherein, the first signal ring, the second signal ring, the third signal ring and the outer signal ring all pass through the female end plug to form an electrical connection leg, and the female end plug surrounds the electrode tube and the The ring-shaped metal sleeve and the electrical connection legs form a frame, and after the female end plug is connected to the corresponding wire, a hot-melt glue part is filled and sealed in the frame of the female end plug.

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 plane.

The first main purpose of the present invention is that the female end plug is formed with a plurality of the annular planes in a conical convex shape with the electrode tube as the center, and the vertical step planes are formed with stepped height differences between the annular planes. , And the annular plane of the female plug is sequentially arranged from the center to the outside with the first signal ring, the second signal ring, the third signal ring and the outer signal ring, thereby passing through the vertical extension of the vertical step surface , Let the first signal ring, the second signal ring, the third signal ring and the outer signal ring form sufficient creepage distance, which can prevent the mutual influence caused by the electric jump due to the too short creepage distance When the situation occurs, the diameter of the female end connector can be greatly reduced by verticalizing the creepage distance, so as to effectively reduce the volume within the scope of safe use.

The second main purpose of the present invention is that the male end plug is recessed with the conical groove centered on the electrode rod, and the female end plug is formed with a plurality of conical protrusions centered on the electrode tube The annular plane, through the above-mentioned structural features, allows the user to connect the male end plug and the female end plug, neither the annular plane nor the vertical stepped surface of the female end plug contact the conical groove of the male end plug That is, only the electrode rod and the electrode ring of the male end plug are squeezed into the female end plug during the docking process, thereby having the practical effects of easy docking combination and stable conduction of power and signals.

Other purposes, advantages and novel features of the present invention will be more apparent from the following detailed description and related drawings.

[This creation]

10: Male end plug

101: Outer Rod

102: inner rod

103: Spring

11‧‧‧Electrode rod

111‧‧‧Barrier

12‧‧‧Electrode ring

13‧‧‧Conical groove

14‧‧‧The first signal pole

15‧‧‧Second signal rod

16‧‧‧The third signal rod

17‧‧‧Outside signal

171‧‧‧Silver contacts

18‧‧‧Outer Frame

19‧‧‧Hot melt adhesive layer

20‧‧‧Female end plug

201‧‧‧ring groove

21‧‧‧electrode tube

22‧‧‧Annular metal sleeve

221‧‧‧Connecting ring

222‧‧‧flexible frame

223‧‧‧Conductive sheet

23‧‧‧Circular plane

231‧‧‧Vertical terrace

24‧‧‧The first signal ring

25‧‧‧Second Signal Ring

26‧‧‧The third signal ring

27‧‧‧Outside signal ring

(241)(251)(261)(271)‧‧‧Inner ring groove

(242)(252)(262)(272)‧‧‧Electrical support foot

28‧‧‧Frame

29‧‧‧Hot Melt Glue Department

(A)(B)‧‧‧Wire

Figure 1 is a perspective view of the present invention.

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

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

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

Figure 5 is a schematic cross-sectional view of the present invention before docking.

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

Figure 7 is a schematic cross-sectional view of the present invention after filling melt glue.

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

In order to enable your reviewer to have a further understanding and understanding of the purpose, features and effects of the present invention, the following please cooperate with [Schematic Description] as detailed below: first, please continue from Figure 1 to Figure 5. In view of this, a coaxial ring-stepped connector includes: a male end plug 10 and a female end plug 20, a male end plug 10 is provided with an electrode rod 11 in the center, and the male end plug 10 is attached to the electrode rod 11 An electrode ring 12 is fixed on the outer ring, and the male end plug 10 is recessed with a conical groove 13 centered on the electrode rod 11, and the male end plug 10 protrudes outward from the center of the conical groove 13 A first signal rod 14, a second signal rod 15, a third signal rod 16 and an outer signal member 17 are provided. The male end plug 10 has a barrier 111 extending on the other side of the conical groove 13, and The barrier 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 short-circuiting each other. The first signal rod 14, the second signal rod 15, and the first signal rod The three-signal rod 16 and the outer signal member 17 both 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 At the male end plug 10, and the inner rod 102 is elastically movable in the conical groove 13; An electrode tube 21 is penetrated in the center of a female end plug 20. A ring groove 201 is formed on the periphery of the electrode tube 21. The ring groove 201 is provided with an annular metal sleeve 22. The annular metal sleeve 22 A connecting ring 221 is integrally bent in the same direction with a plurality of elastic frames 222, and each of the elastic frames 222 has a conductive sheet 223 extending from the inner edge of the connecting ring 221 to the center, so that the elastic frame 222 expands elastically. It can be pressed against the inner wall of the ring groove 201, thereby utilizing the elasticity of the metal to produce the effect of easy assembly, and the conductive sheet 223 is elastically protruding toward the electrode tube 21, which can also effectively hold the electrode ring 12, and The female end plug 20 is formed with a plurality of annular planes 23 in a conical convex shape with the electrode tube 21 as the center, and a vertical stepped surface 231 is formed between the annular planes 23 with a stepped height difference, and the female end plug A first signal ring 24, a second signal ring 25, a third signal ring 26, and an outer signal ring 27 are arranged in sequence from the center to the outer side of the annular plane 23 of 20, and the first signal ring 24 and the second signal ring The signal ring 25, the third signal ring 26, and the outer signal ring 27 all form an inner concave ring groove (241)(251)(261)(271) protruding from the annular plane 23, and accordingly, the The second signal ring 25 is located on the outer edge of the first signal ring 24 and is formed with a stepped height difference, and the third signal ring 26 is located on the outer edge of the second signal ring 25 and is formed with a stepped height difference, and the outer side The signal ring 27 is located on the outer edge of the third signal ring 26 and also has a ring step height difference, thereby forming a coaxial ring step structure feature.

Assembling the structure, please observe from Figures 2 and 7, the electrode rod 11 is inserted in the center of the back of the male plug 10, and the electrode ring 12 is set on the front of the male plug 10 In the outer ring of the electrode rod 11, the first signal rod 14, the second signal rod 15, the third signal rod 16, and the outer signal member 17 are inserted in sequence from the center of the male end plug 10 outward. , And the reverse side of the conical groove 13 of the male end plug 10 is protruded with an outer frame 18, and 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 After the signal pole 16 and the outer signal part 17 are connected to the corresponding wire A on the male end plug 10, a hot melt adhesive layer 19 is formed in the outer frame 18 of the male end plug 10 by filling and sealing. In addition, The electrode tube 21 is inserted into the center of the back of the female end plug 20, and the annular metal sleeve 22 is set in the ring groove 201 from the front of the female end plug 20, and then the first signal ring 24 and the second signal The ring 25, the third signal ring 26, and the outer signal ring 27 pass through the female end plug 20 to form an electrical connection leg (242) (252) (262) (272), and the female end plug 20 surrounds the The electrode tube 21, the annular metal sleeve 22 and the electrical connection legs (242) (252) (262) (272) form a frame 28, and after the female end plug 20 is connected to the corresponding wire B, The frame 28 of the female plug 20 is filled with a hot-melt glue part 29 formed by the filler sealing, whereby the hot-melt glue layer 19 and the hot-melt glue part 29 are filled through the outer frame 18 and the frame 28, that is, a stable The connection strength of the male end plug 10 and the female end plug 20 to the wire A effectively prevents the wire A from detaching. The hot melt adhesive layer 19 and the hot melt adhesive portion 29 are filled to achieve a barrier function , So that external moisture cannot pass through the male end plug 10 and the female end plug 20, so as to have a practical effect of improving the durability.

In actual use, please refer to Figures 5 and 6 in conjunction with Figure 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 Inserted in 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 use requirements, and the electrode ring 12 and the annular metal sleeve 22 are connected to circuits of different polarities in the opposite direction, The male end plug 10 and the female end plug 20 can be connected to form a power supply, 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 as a positive electrode. And the male end plug 10 and the female end plug 20 can be applied to high-current equipment (above 50 amperes), and the male end plug 10 and the female end plug 20 are joined to the conical concave and convex surfaces, and the first Signal rod 14, the second signal rod 15, the third signal rod 16 And the outer signal member 17 can be pressed against the first signal ring 24, the second signal ring 25, the third signal ring 26, and the inner concave ring grooves (241) (251) of the outer signal ring 27 sequentially. )(261)(271), and then push the inner rod 102 through the elastic force of the spring 103, so that the end of the inner rod 102 stably abuts against the concave ring groove (241)(251)(261)(271), The signal transmission function can be achieved through a sufficient contact area. With the structure of the above specific embodiment, the following benefits can be obtained: (1) The female end plug 20 is formed in a conical convex shape with the electrode tube 21 as the center There are a plurality of the annular planes 23, and the vertical stepped surfaces 231 are formed with stepped height differences between the above-mentioned annular planes 23, and the annular planes 23 of the female plug 20 are sequentially arranged with the first The signal ring 24, the second signal ring 25, the third signal ring 26, and the outer signal ring 27 allow the first signal ring 24 and the second signal ring 25 to extend vertically through the vertical terrace 231. A sufficient creepage distance is formed between the third signal ring 26 and the outer signal ring 27, that is, it can prevent the mutual influence caused by the electric jump because the creepage distance is too close, and the creepage distance is verticalized In this way, the diameter of the female end connector 20 can be greatly reduced, so as to effectively reduce the volume within the scope of safe use; (2) The male end plug 10 is recessed with the cone inward with the electrode rod 11 as the center Shaped groove 13, and the female end plug 20 is conically convex with the electrode tube 21 as the center is formed with a plurality of the annular planes 23, through the above structural feature, the user can connect the male end plug 10 and the female end When the plug 20 is connected, neither the annular flat surface 23 of the female plug 20 nor the surface of the vertical step 231 contact the conical groove 13 of the male plug 10, that is, only the electrode rod of the male plug 10 is in the mating process 11 and the electrode ring 12 are squeezed into the female end plug 20, thereby having the practical effects of easy docking combination and stable conduction of power and signals.

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 all include an outer rod 101, an inner rod 102 and a A spring 103, and the spring 103 is sandwiched between the outer rod 101 and the inner rod 102, the outer rod 101 is fixed to the male end plug 10, and the inner rod 102 is elastically movable in the conical groove 13, The main difference is that the outer signal piece 17 is provided with a silver contact 171 at the end in the shape of an elastic sheet, and the silver contact 171 is elastically movable in the conical groove 13, and the silver contact 171 is used for stable contact connection The inner concave ring groove 271 of the outer signal ring 27 further improves the response speed through the elastic sheet-shaped outer signal member 17. When the male plug 10 and the female plug 20 are offset or tilted and vibrated, the outer signal The position of the member 17 and the outer signal ring 27 will have the largest jumping gap, and the elastic sheet shape of the outer signal member 17 and the silver contact 171 are used to maintain a stable connection state.

In summary, the present invention has indeed achieved a breakthrough structural design, and has an improved content of the invention. At the same time, it can achieve industrial applicability and progress. Moreover, the present invention has not been seen in any publications and is novel. In accordance with the relevant provisions of the Patent Law, Yan filed an application for an invention patent in accordance with the law, and I implore the Jun Bureau review committee to grant a legal patent.

Only the above is only a preferred embodiment of the present invention, and should not be used to limit the scope of implementation of the present invention; that is, all equal changes and modifications made in accordance with the scope of the patent application of the present invention shall still belong to the present invention Covered by the patent.

10‧‧‧Male end plug

11‧‧‧Electrode rod

111‧‧‧Barrier

12‧‧‧Electrode ring

14‧‧‧The first signal pole

15‧‧‧Second signal rod

16‧‧‧The third signal rod

17‧‧‧Outside signal

18‧‧‧Outer Frame

20‧‧‧Female end plug

201‧‧‧ring groove

21‧‧‧electrode tube

22‧‧‧Annular metal sleeve

221‧‧‧Connecting ring

222‧‧‧flexible frame

223‧‧‧Conductive sheet

24‧‧‧The first signal ring

25‧‧‧Second Signal Ring

26‧‧‧The third signal ring

27‧‧‧Outside signal ring

28‧‧‧Frame

Claims (8)

A coaxial ring stepped connector includes: a male end plug with an electrode rod passing through the center of the male end plug, and an electrode ring is fixed on the outer ring of the electrode rod, and the male end plug A conical groove is recessed inwardly with the electrode rod as the center, and a first signal rod, a second signal rod, a third signal rod, and a first signal rod are protruded from the center of the conical groove to the outside of the male end plug. An outer signal component; and a female end plug, an electrode tube is penetrated in the center of the female end plug, a ring groove is formed on the periphery of the electrode tube, and an annular metal sleeve is installed in the ring groove, The female end plug is formed with a plurality of annular planes in a conical convex shape with the electrode tube as the center, and the above-mentioned annular planes have a stepped height difference to form a vertical step surface, and the annular plane of the female end plug is formed from the center A first signal ring, a second signal ring, a third signal ring, and an outer signal ring are arranged to the outside in sequence, and the electrode rod of the male plug is inserted into the electrode tube of the female plug, and the electrode The ring is inserted in the ring metal sleeve, so that the male end plug and the female end plug are connected with the conical concave-convex surface, and the ring plane and the vertical step surface of the female end plug do not touch the conical shape of the male end plug Grooves, and the first signal rod, the second signal rod, the third signal rod, and the outer signal member can be pressed against the first signal ring, the second signal ring, and the third signal Ring and the outer signal ring. The coaxial ring stepped connector according to the first item of the scope of patent application, wherein the male end plug has a barrier plate extending on the other side of the conical groove, and the barrier plate is spaced between the electrode rod and the electrode ring between. According to the first item of the scope of patent application, the coaxial ring stepped connector, wherein the first signal rod, the second signal rod, the third signal rod and the outer signal member all include an outer rod, an The inner rod and a spring are clamped between the outer rod and the inner rod, and the outer rod is fixed to the male end plug, and the inner rod is elastically movable in the conical groove. According to the coaxial ring-stepped connector described in item 1 of the scope of patent application, the first signal rod, the second signal rod and the third signal rod all include an outer rod, an inner rod and a spring, and The spring is clamped between the outer rod and the inner rod, and the outer rod is fixed to the male end plug, and the inner rod is elastically movable in the conical groove, and the outer signal piece is in the shape of an elastic sheet. A silver contact point is arranged at the end, and the silver contact point is elastically movable in the conical groove. According to the coaxial ring stepped connector described in item 1 of the scope of patent application, wherein the annular metal sleeve is integrally bent with a plurality of elastic frames with a connecting ring in the same direction, and the elastic frames are all set away from the connecting ring A conductive sheet extends from the inner edge to the center, so that the expansion of the elastic frame can be pressed against the inner wall of the ring groove, and the conductive sheet is elastically protruding toward the electrode tube. According to the first item of the scope of patent application, the coaxial ring stepped connector, wherein an outer frame is protruded on the reverse surface of the conical groove of the male end plug, and the outer frame surrounds the electrode rod, the electrode ring, The first signal rod, the second signal rod, the third signal rod, and the outer periphery of the outer signal member, and after the male end plug is connected to the corresponding wire, the outer frame of the male end plug is filled and sealed to form There is a hot melt adhesive layer. According to the coaxial ring stepped connector described in item 1 of the scope of patent application, wherein the first signal ring, the second signal ring, the third signal ring and the outer signal ring all pass through the female end plug to form a The female end plug encloses the electrode tube, the annular metal sleeve and the electrical connection leg to form a frame, and after the female end plug is connected to the corresponding wire, it is placed on the female end plug A hot-melt glue part is formed in the frame with a filler seal. The coaxial ring stepped connector according to item 1 of the scope of patent application, wherein the first signal The 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 plane.

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