CN217768853U

CN217768853U - Switch coaxial connector

Info

Publication number: CN217768853U
Application number: CN202220622709.5U
Authority: CN
Inventors: 朱昭晖; 张建; 王佳文
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-11-08
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a switch coaxial connector, including insulator, the terminal of installing on insulator and fix the shell outside the insulator, this insulator has the cavity of acceping the terminal and the through-hole that upwards runs through, the terminal has movable terminal and the fixed terminal of mutual contact, this movable terminal inserts the cavity of acceping of insulator respectively with the fixed terminal, the fixed terminal has fixed part, the welding foot and the contact site of connecting the fixed part that fix on insulator; the movable terminal is provided with a fixing part fixed on the insulating body, a main arm connected with the fixing part and extending towards the direction of the fixed terminal, and an extending welding part, the movable terminal is provided with a supporting arm connected with the tail end of the main arm and extending towards two sides, the supporting arm is provided with a contact point elastically contacted with or separated from the contact part of the fixed terminal, the supporting arm is wavy, and the tail end of the supporting arm is supported on the insulating body.

Description

Switch coaxial connector

Technical Field

The utility model relates to a switch coaxial connector especially relates to a switch coaxial connector that communication field used.

Background

Smart phones, pads and notebook computers become indispensable electronic devices in human life, and these devices need to have a communication function to realize data transmission, such as network connection; however, the electronic devices of the prior art are very thin, and the internal connection components are required to be very small, such as a coaxial connector installed in the electronic device, which is a radio frequency component for communication.

This coaxial connector pegs graft a plug usually, and this plug can be connected with the cable, from this, and the total thickness of this coaxial connector and cable reduces the ultra-thinness demand that just can realize electronic equipment, and nevertheless the cable is essential parts, can't do ultra-thin demand, accomplishes to minimum with coaxial connector usually, just can satisfy the market demand.

Please refer to chinese utility model publication No. 203800210, which includes an insulating body, and a movable terminal and a fixed terminal clamped in the insulating body, in order to increase the elastic deformation of the movable terminal, the movable terminal is provided with a pair of supporting spring pieces, and the supporting spring pieces are supported on the insulating body, and the supporting spring pieces are connected with the contact arms in the middle of the movable terminal through two ends, but the supporting effect to the contact arms of the movable terminal is small, sometimes the problem that the elastic restoring force is not enough exists after the contact arms are squeezed, at present, in the miniaturized coaxial connector, the yield strength or the elastic restoring force of the terminal is a very important research.

It is therefore desirable to provide a new switch coaxial connector that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch coaxial connector of miniaturized and improved elastic deformation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a switch coaxial connector, comprising: the terminal comprises a movable terminal and a fixed terminal which are mutually contacted, the movable terminal and the fixed terminal are respectively inserted into the accommodating cavities of the insulating body, and the fixed terminal is provided with a fixed part fixedly held on the insulating body, a welding pin connected with the fixed part and a contact part; the movable terminal is provided with a fixing part fixed on the insulating body, a main arm connected with the fixing part and extending towards the direction of the fixed terminal, and an extending welding part, the movable terminal is provided with a supporting arm connected with the tail end of the main arm and extending towards two sides, the supporting arm is provided with a contact point elastically contacted with or separated from the contact part of the fixed terminal, the supporting arm is wavy, and the tail end of the supporting arm is supported on the insulating body.

In a preferred embodiment, the support arm is arranged perpendicular to the main arm.

In a preferred embodiment, the wave-shape is a W-shape, and the middle part of the W-shape elastically abuts against the contact part of the fixed terminal, and both side parts of the W-shape contact with the insulating body.

In a preferred embodiment, the support arms are arranged symmetrically with respect to the extension direction of the main arm.

In a preferred embodiment, the contact portion, the fixing portion and the soldering leg of the fixed terminal have a three-layer structure and are located at different heights, a first connecting portion is provided between the contact portion and the fixing portion, a second connecting portion is provided between the fixing portion and the soldering leg, and the first and second connecting portions are located in different planes.

In a preferred embodiment, the contact portion of the fixed terminal protrudes with two salient points, and the two salient points are respectively abutted with the contact points of the movable terminal.

In a preferred embodiment, the insulating body includes a lower body and an upper body located on the lower body, the lower body has a protrusion, and the connecting portion of the movable terminal and the fixing portion of the fixed terminal are sandwiched between the upper body and the protrusion of the lower body.

In a preferred embodiment, the lower body is provided with a support platform protruding upwards, the support arm is supported on the support platform, a recess is formed between the protrusion and the support platform, the main arm and the connecting and holding part are positioned above the recess and extend upwards in an inclined manner, and the main arm is suspended above the protrusion and the support platform.

In a preferred embodiment, the upper body has a cylindrical plug, and the through hole is disposed on the upper body and penetrates through the plug, and the through hole is funnel-shaped.

In a preferred embodiment, the housing has an upper wall covering the upper body, a column surrounding the plug, and a bent wall extending downward from the upper wall and disposed at the lower side of the lower body.

Compared with the prior art, the utility model discloses following beneficial effect has: through the support arm that should move the terminal main arm end of terminal and extend towards both sides, this support arm has with the contact site elastic contact of deciding the terminal or the contact point of separation, and this support arm is the wave to the length of extension support arm, and the end support of this support arm is on insulator, in order to increase the elastic deformation and the yield strength that move the terminal.

Drawings

Fig. 1 is a schematic perspective view of a coaxial connector according to a first embodiment of the present invention;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is a schematic view of the stator shown in FIG. 1;

FIG. 4 is a schematic view of the lower body and terminal shown in FIG. 2 after installation;

FIG. 5 is a top view of FIG. 4;

FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 8 is a second embodiment of the present invention, and shows a schematic view of the lower body and the terminal after being mounted;

FIG. 9 is a top view of FIG. 8;

fig. 10 is a schematic view of the movable terminal of fig. 8.

Detailed Description

Referring to fig. 1 to 7, a switch coaxial connector 100 according to a first embodiment of the present invention includes an insulating housing 10, a terminal 20 mounted on the insulating housing 10, and a housing 30 fixed outside the insulating housing 10, wherein the terminal 20 has a movable terminal 21 and a fixed terminal 22 contacting each other, in this embodiment, the movable terminal 21 elastically abuts against the lower side of the fixed terminal 22, and when a plug is inserted (not shown), the movable terminal 21 is pushed to move, so that the movable terminal 21 and the fixed terminal 22 are disconnected from each other, and at this time, the plug and the movable terminal 21 are electrically connected, so that the movable terminal 21 has a larger moving deformation space relative to the fixed terminal 22, that is, the movable terminal 21; in the initial position, the movable terminal 21 is elastically abutted against the fixed terminal 22, and when the plug is pulled out, the movable terminal 21 can be quickly recovered and abutted against the fixed terminal 22 again, so that the detection function or the signal transmission is realized.

The said insulated body 10 has the containing cavity 11 to contain the terminal 20 and the through hole 12 that penetrates upwards, the above-mentioned movable terminal 21 and fixed terminal 22 are inserted into containing cavity 11 of the insulated body 10 separately, in this embodiment, the said insulated body 10 includes the lower body 14 and upper body 13 located on lower body, the above-mentioned containing cavity 11 is defined between lower body 13 and upper body 14, and the upper body 13 has the above-mentioned through hole 12 for the above-mentioned plug to insert, the through hole 12 communicates with said containing cavity 11; the lower body has a protrusion 15 protruding into the housing cavity 11 and a support 16, and a recess 17 is formed between the protrusion 15 and the support 16.

The fixed terminal 22 has a fixing portion 220 fixed on the insulating body 10, a welding pin 221 connected with the fixing portion, and a contact portion 222; the contact portion 222, the fixing portion 220 and the soldering leg 221 are three-layered structures and located at different heights, a first connecting portion 223 is disposed between the contact portion 222 and the fixing portion 220, a second connecting portion 224 is disposed between the fixing portion 220 and the soldering leg 221, the first connecting portion and the second connecting portion are located in different planes and are staggered with each other, so that the contact portion 222 of the fixed terminal 22 further protrudes toward the movable terminal 21, and the elastic yield strength of the movable terminal 21 is improved. In the present embodiment, the fixing portion 220 of the fixed terminal 22 is clamped between the protrusions 15 of the upper body 13 and the lower body 14 to hold the fixed terminal 22.

The movable terminal 21 has a holding portion 210 mounted on the insulating body 10, a main arm 211 connected to the holding portion 210 and extending toward the fixed terminal, and a soldering portion 212 extending therefrom, and the movable terminal 21 further has a supporting arm 213 connected to an end of the main arm 211 and extending toward both sides, wherein the supporting arm 213 is in a wave shape to extend a length of the supporting arm 213, and an end of the supporting arm 213 is supported on the insulating body. The main arm 211 and the support arm 213 are perpendicular to each other. The contact portion 222 of the fixed terminal 22 protrudes with two protruding points 225, the supporting arm 213 has a contact point 214 elastically contacting or separating with the contact portion 222 of the fixed terminal 22, and of course, the contact point 214 contacts with the protruding points 225 of the contact portion 222 respectively.

In the present embodiment, the holding portion 210 of the movable terminal 21 is disposed between the upper body 13 and the lower body 14 to position and mount the movable terminal 21, so to speak, the holding portion 210 is disposed between the protrusions 15 of the upper body 13 and the lower body 14, and the main arm 211 and the connecting holding portion 210 are located above the recess 17 and extend upward in an inclined manner, so that the main arm 211 is suspended above the protrusions 15 and the supporting base 16 to improve the yield force of the main arm 211 after being pressed.

Referring to fig. 5 and 6, the upper body 13 and the housing 30 are integrally formed, the upper body 13 and the housing 30 have a cylindrical plug 31, the through hole is disposed on the upper body 13 and penetrates through the plug, and the through hole 12 is funnel-shaped to facilitate insertion of a plug.

The housing 30 has an upper wall 32 covering the exterior of the upper body 13, a column 33 surrounding the plug, and a bent wall 34 extending downward from the upper wall 31 and disposed under the lower body 14, so as to cover the upper and lower bodies together.

Referring to fig. 7 to 10, the switch coaxial connector according to the second embodiment of the present invention is disclosed, the insulation body, the housing and the fixed terminal 22' of the present embodiment are the same as the first embodiment, and detailed description is omitted again, but the difference lies in the innovative structure design of the movable terminal 21', the length of the movable terminal 21' is extended compared to the movable terminal 21 of the first embodiment, so as to further enhance the yield strength of the movable terminal.

In the present embodiment, the movable terminal 21' includes a holding portion 210' mounted on the insulating body 10', a main arm 211' connected to the holding portion 210' and extending toward the fixed terminal 22', an extending soldering portion 212', and a supporting arm 213' having a wave shape, the wave shape has a W-shaped configuration, a contact point 214' elastically contacting with the contact portion of the fixed terminal is provided at the middle portion of the W-shape, and both side portions 216' of the W-shape are elastically supported on the insulating body 10 '.

The supporting arms 213 'of the movable terminal 21' are symmetrically arranged along the extending direction of the main arm 211', so as to improve the supporting balance effect of the supporting arms 213' and prevent the unbalanced stress.

In summary, the above is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all simple equivalent changes and modifications made according to the claims and the content of the specification should still fall within the scope covered by the present invention.

Claims

1. A switch coaxial connector, comprising: the insulating body is provided with an accommodating cavity for accommodating the terminal and a through hole which penetrates upwards, the terminal is provided with a movable terminal and a fixed terminal which are mutually contacted, the movable terminal and the fixed terminal are respectively inserted into the accommodating cavity of the insulating body, and the fixed terminal is provided with a fixed part which is fixedly held on the insulating body, a welding pin for connecting the fixed part and a contact part; the method is characterized in that: the movable terminal is provided with a fixing part fixed on the insulating body, a main arm connected with the fixing part and extending towards the direction of the fixed terminal, and an extending welding part, the movable terminal is provided with a supporting arm connected with the tail end of the main arm and extending towards two sides, the supporting arm is provided with a contact point elastically contacted with or separated from the contact part of the fixed terminal, the supporting arm is wavy, and the tail end of the supporting arm is supported on the insulating body.

2. The switch coaxial connector of claim 1, wherein: the supporting arm and the main arm are perpendicular to each other.

3. The switch coaxial connector of claim 1, wherein: the wave shape is in a W-shaped structure, the middle part of the W shape is elastically abutted with the contact part of the fixed terminal, and two side parts of the W shape are contacted with the insulation body.

4. The switch coaxial connector of claim 3, wherein: the supporting arms are symmetrically arranged in the extending direction of the main arm.

5. The switch coaxial connector of claim 1, wherein: the contact part, the fixing part and the welding foot of the fixed terminal are of a three-layer structure and are positioned at different heights, a first connecting part is arranged between the contact part and the fixing part, a second connecting part is arranged between the fixing part and the welding foot, and the first connecting part and the second connecting part are positioned in different planes.

6. The switch coaxial connector of any one of claims 1-5, wherein: the contact part of the fixed terminal is convexly provided with two salient points which are respectively butted with the contact points of the movable terminal.

7. The switch coaxial connector of claim 6, wherein: the insulation body comprises a lower body and an upper body positioned on the lower body, the lower body is provided with a bulge, and the connecting part of the movable terminal and the fixing part of the fixed terminal are clamped between the upper body and the bulge of the lower body.

8. The switch coaxial connector of claim 7, wherein: the lower body is provided with a supporting platform which protrudes upwards, the supporting arm is supported on the supporting platform, a recess is formed between the protrusion and the supporting platform, the main arm and the connecting and fixing part are positioned on the recess and extend upwards in an inclined manner, and the main arm is suspended above the protrusion and the supporting platform.

9. The switch coaxial connector of claim 7, wherein: the upper body is provided with a cylindrical plug, the through hole is arranged on the upper body and penetrates through the plug, and the through hole is funnel-shaped.

10. The switch coaxial connector of claim 9, wherein: the shell is provided with an upper wall covering the outside of the upper body, a column body surrounding the periphery of the plug and a bent wall extending downwards from the upper wall and arranged on the lower side of the lower body.