CN209544665U

CN209544665U - Improve the elastic contact type MMCX radio frequency connector of contact performance

Info

Publication number: CN209544665U
Application number: CN201920470586.6U
Authority: CN
Inventors: 周勇; 张益鑫
Original assignee: Dongguan Xu Jian Electronic Technology Co Ltd
Current assignee: Dongguan Xu Jian Electronic Technology Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-10-25
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a kind of elastic contact type MMCX radio frequency connector for improving contact performance, includes outer tube, glue core and center needle, and the lower section of the outer tube is inserting section；The inserting section is connected with elastic contact part, and the lateral wall of the elastic contact part from the bottom of inserting section upwardly extends setting；The elastic contact part includes the elastic piece of interconnecting piece and at least two spacing arrangement, the interconnecting piece is connected to the bottom periphery of inserting section, each elastic piece is upwardly extended from the upper end integral type of interconnecting piece, each elastic piece has elasticity plug contact zone, which plugs the outside wall surface that contact zone is elastic piece；Whereby, its conduction property is more stable, the case where being not in poor contact, while rotation while using when be not in power-off, break signal, staccato situations such as, contact performance is enhanced, solves the problems, such as to be easy to appear fatigue wear in male connector swapping process and influence service life, substantially increases service life, and structure is simple, production easy to form.

Description

Improve the elastic contact type MMCX radio frequency connector of contact performance

Technical field

The utility model relates to field of connectors technologies, refer in particular to a kind of elastic contact type MMCX for improving contact performance Radio frequency connector.

Background technique

Currently, the male connector of radio frequency connector and the connection type of base, which mostly use greatly, is arranged a card in the lateral surface of male connector Circle, retainer ring buckles the inner wall of base, so that male connector and base be made to link together, although, this connection type can allow male connector and Phenomena such as base connects, but it is easy to appear male connector and is disengaged from each other with base, poor contact.Also some use other bullets Property structure replace the radio frequency connector of retainer ring, but its elastic construction is complicated, is unfavorable for molding making.

For this purpose, targetedly being designed these problems in the prior art, using the structure of elastic collar, simplify The elastic connection structure of male connector and base, production easy to form；But its conduction property is unstable, is easy when the side Bian Xuanzhuan uses Now the case where power-off, break signal, staccato；In addition, master-slave seat main body leans on individual pen elastic collar to plug detent entirely, be connected also main It is individual pen elastic collar, and is maintained due to maintaining gap between the elastic demand and male connector of elastic collar, be easy to cause public affairs The poor contact of female outer tube main body, signal moment occur breaks or situations such as staccato, and due to the presence in gap, cause using when Vibration meeting is so that conduction impedance moment becomes larger or moment breaks；And elastic collar fatigue wear is easy to cause in swapping process, To influence contact conducting of the male connector with base, cause male connector service life shorter.

Therefore, it is necessary to develop the new technology of one kind to solve the above problems.

Utility model content

In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of improve and connects The case where elastic contact type MMCX radio frequency connector of touching performance, conduction property is more stable, is not in poor contact, side Rotate side using when be not in power-off, break signal, staccato situations such as, enhance contact performance, solve male connector swapping process In the problem of being easy to appear fatigue wear and influencing service life, substantially increase service life, and structure is simple, it is easy to form Production.

To achieve the above object, the utility model is using following technical solution:

A kind of elastic contact type MMCX radio frequency connector improving contact performance includes outer tube and is set on outer tube Glue core and center needle, the glue core are isolated between outer tube and center needle；The lower section of the outer tube is inserting section, which is formed with The grafting chamber of bottom opening, the center needle protrude into grafting chamber；

The inserting section is connected with elastic contact part, and the lateral wall of the elastic contact part from the bottom of inserting section, which upwardly extends, to be set It sets；The elastic contact part includes the elastic piece of interconnecting piece and at least two spacing arrangement, which is connected to the bottom of inserting section Portion periphery, each elastic piece are upwardly extended from the upper end integral type of interconnecting piece, and each elastic piece is outer with inserting section Elastic spacing is kept between side wall, each elastic piece has elasticity plug contact zone, and it is elastic piece which, which plugs contact zone, Outside wall surface.

As a preferred embodiment, the integrated convex in the upper end of each elastic piece is equipped with protrusion, and the elasticity plug connects Touch the outer surface that area is protrusion.

As a preferred embodiment, each elastic piece includes main part, and the main part is from the upper end of interconnecting piece one Body formula upwardly extends, on the lateral wall for the upper end that the protrusion integral type is convexly equipped in main part.

As a preferred embodiment, the glue core one produced by insert molding is inlayed in the inside of outer tube, the center needle with glue core Molding is fixed together, the weld part and contact portion of center the needle convex upper and lower end for being exposed to glue core respectively.

As a preferred embodiment, there are six the elastic pieces, six elastic piece interval impartial settings, two neighboring elasticity There is interval trough between piece.

As a preferred embodiment, it is linked into an integrated entity between the interconnecting piece and inserting section by riveting.

As a preferred embodiment, the interconnecting piece is annular structure, and the inner ring surface of the interconnecting piece is closely coupled to The outer peripheral surface of inserting section.

The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Scheme is it is found that it is mainly the elastic contact part by upwardly extending setting in inserting section, and in integral type on elastic contact part The multiple elastic pieces for upwardly extending setting are not between connection when so that male connector being connect with base, between elastic piece and male connector Gap, so that the conduction property between male connector and base is more stable, the case where being not in poor contact, the side Bian Xuanzhuan makes Situations such as used time is not in power-off, break signal, staccato, and connected between male connector and base for Multi-point contact type, significantly Enhance contact performance；Secondly, connector will not make when vibrated, conduction impedance moment becomes larger or moment breaks；And solution The problem of being easy to appear fatigue wear in male connector of having determined swapping process and influence service life, substantially increases service life, and Structure is simple, production easy to form.

For structure feature, technological means and its specific purposes achieved and function for more clearly illustrating the utility model Can, the utility model is described in further detail with specific embodiment with reference to the accompanying drawing.

Detailed description of the invention

Fig. 1 is the overall structure stereoscopic schematic diagram of the embodiment of the utility model；

Fig. 2 is another angle overall structure stereoscopic schematic diagram of the embodiment of the utility model；

Fig. 3 is the schematic cross-section of the embodiment of the utility model；

Fig. 4 is the sectional view after male connector and base grafting.

Description of drawing identification:

10, outer tube 11, inserting section

12, grafting chamber 20, glue core

30, center needle 31, weld part

32, contact portion 40, elastic contact part

41, interconnecting piece 42, elastic piece

421, protrusion 422, main part

43, interval trough 50, base

51, chamber 52, annular slot are planted

53, outer tube 54, center needle.

Specific embodiment

Please refer to figs. 1 to 4, that show the specific structures of the embodiment of the utility model；It includes outer Pipe 10 and the glue core 20 and center needle 30 being set on outer tube 10, the glue core 20 are isolated between outer tube 10 and center needle 30；It should The lower section of outer tube 10 is inserting section 11, which is formed with the grafting chamber 12 of bottom opening, which protrudes into grafting In chamber 12；Preferably, the integrated produced by insert molding of the glue core 20 is in the inside of outer tube 10, the center needle 30 and 20 produced by insert molding of glue core It is fixed together, the weld part 31 and contact portion 32 of center the needle 30 convex upper and lower end for being exposed to glue core 20 respectively.

Specifically, the inserting section 11 is connected with elastic contact part 40, the elastic contact part 40 is from the bottom of inserting section 11 Lateral wall upwardly extend setting；The elastic contact part 40 includes the elastic piece 42 of interconnecting piece 41 and at least two spacing arrangement, The interconnecting piece 41 is connected to the bottom periphery of inserting section 11, and each elastic piece 42 prolongs from the upper end integral type of interconnecting piece 41 upwards It stretches, each elastic piece 42 keeps elastic spacing between the lateral wall of inserting section 11, and each elastic piece 42 has elasticity Contact zone is plugged, which plugs the outside wall surface that contact zone is elastic piece 42；Specifically, the upper end of each elastic piece 42 is integrated Convex is equipped with protrusion 421, and elasticity plug contact zone is the outer surface of protrusion 421；Preferably, each elastic piece 42 wraps Main part 422 is included, the main part 422 is upwardly extended from the upper end integral type of interconnecting piece 41,421 one of protrusion Formula is convexly equipped on the lateral wall of the upper end of main part 422.

In this present embodiment, it is preferable that there are six the elastic pieces 42, and six elastic pieces 42 are spaced impartial setting, adjacent There is interval trough 43 between two elastic pieces 42；Certainly, elastic piece 42 can also be designed as other quantity according to actual needs, Interval impartial setting between all elastic 42 need to only be met, here, not repeating them here.

In addition, in this present embodiment, preferably being linked into an integrated entity by riveting between the interconnecting piece 41 and inserting section 11；Institute Stating interconnecting piece 41 is annular structure, and the inner ring surface of the interconnecting piece 41 is closely coupled to the outer peripheral surface of inserting section 11.Riveting connects The mode connect may make the tie point between interconnecting piece 41 and inserting section 11 solid and reliable, and the mode of riveting does not have consumption of raw materials With do not need auxiliary material, to save making material, in addition, riveting connection be also equipped with will not disfiguring workpiece surface protection Layer, do not need in advance or post-processing, allow to there is interlayer connect with multilayer, it is easy to operate, consume it is low, maintenance cost lack etc. it is excellent Point can make elastic contact part 40 and the connection of inserting section 11 easier, and be easy to make, and connection structure is more firm.

In use, the inserting section 11 for the male connector that riveting is completed is inserted into the plant chamber 51 of the outer tube 53 of base 50, plant Chamber 51 has annular slot 52, and the protrusion 421 and annular slot 52 on elastic piece 42 are clamped, the outer surface of protrusion 421 and plant The inner sidewall Elastic Contact of chamber 51 and realizing electrically conducts；When connector is vibrated, male connector and base 50 are because in elastic piece 42 Under the action of protrusion 421 and 52 phase of the annular slot clamping for planting chamber 51, it is not easily disconnected from, and the company between elastic piece 42 and male connector Connecing is not in joint gap, and to connect between male connector and base 50 for Multi-point contact type, greatly strengthens contact The case where performance is not in poor contact, conduction property are stablized, the side Bian Xuanzhuan using when be not in power-off, it is break signal, disconnected Situations such as sound；And vibration will not make conduction impedance moment become larger or moment break；And it solves and holds in male connector swapping process Easily the problem of fatigue wear occur and influencing service life, substantially increase service life, in the present embodiment, service life can Reach 10 times of elastic collar type MMCX radio frequency connector；Meanwhile in the contact portion 32 of the center needle 30 of male connector and base 50 Heart needle 54 touches grafting and is electrically connected.

In conclusion the design focal point of the utility model is, mainly by upwardly extending setting in inserting section Elastic contact part, and multiple elastic pieces of setting are upwardly extended in integral type on elastic contact part, so that male connector is connect with base When, it is not in joint gap between elastic piece and male connector, so that the conduction property between male connector and base is more stable, The case where being not in poor contact, the side Bian Xuanzhuan using when be not in power-off, break signal, staccato situations such as, and male connector with It is connected between base for Multi-point contact type, greatly strengthens contact performance；Secondly, connector will not to lead when vibrated Logical impedance moment becomes larger or moment breaks；And it solves and is easy to appear fatigue wear in male connector swapping process and influences to use The problem of service life, substantially increases service life, and structure is simple, production easy to form.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims

The glue that 1. a kind of elastic contact type MMCX radio frequency connector for improving contact performance includes outer tube and is set on outer tube Core and center needle, the glue core are isolated between outer tube and center needle；The lower section of the outer tube is inserting section, which is formed with bottom The grafting chamber of portion's opening, the center needle protrude into grafting chamber；It is characterized by:

The inserting section is connected with elastic contact part, and the lateral wall of the elastic contact part from the bottom of inserting section upwardly extends setting； The elastic contact part includes the elastic piece of interconnecting piece and at least two spacing arrangement, which is connected to outside the bottom of inserting section Week, each elastic piece are upwardly extended from the upper end integral type of interconnecting piece, each elastic piece with the lateral wall of inserting section Between keep elastic spacing, each elastic piece has elasticity plug contact zone, which plugs contact zone as the outer wall of elastic piece Face.
2. the elastic contact type MMCX radio frequency connector according to claim 1 for improving contact performance, it is characterised in that: every The integrated convex in the upper end of a elastic piece is equipped with protrusion, and elasticity plug contact zone is the outer surface of protrusion.
3. the elastic contact type MMCX radio frequency connector according to claim 2 for improving contact performance, it is characterised in that: every A elastic piece includes main part, and the main part is upwardly extended from the upper end integral type of interconnecting piece, the protrusion one Body formula is convexly equipped on the lateral wall of the upper end of main part.
4. the elastic contact type MMCX radio frequency connector according to claim 1 for improving contact performance, it is characterised in that: institute Glue core one produced by insert molding is stated in the inside of outer tube, which is fixed together with glue core produced by insert molding, the welding of center needle Portion and the contact portion convex upper and lower end for being exposed to glue core respectively.
5. the elastic contact type MMCX radio frequency connector according to claim 1 for improving contact performance, it is characterised in that: institute It states there are six elastic pieces, six elastic piece interval impartial settings, there is interval trough between two neighboring elastic piece.
6. the elastic contact type MMCX radio frequency connector according to claim 1 for improving contact performance, it is characterised in that: institute It states and is linked into an integrated entity between interconnecting piece and inserting section by riveting.
7. the elastic contact type MMCX radio frequency connector according to claim 6 for improving contact performance, it is characterised in that: institute Stating interconnecting piece is annular structure, and the inner ring surface of the interconnecting piece is closely coupled to the outer peripheral surface of inserting section.