CN204391327U - Terminal combination and RF coaxial switch connector - Google Patents
Terminal combination and RF coaxial switch connector Download PDFInfo
- Publication number
- CN204391327U CN204391327U CN201520116933.7U CN201520116933U CN204391327U CN 204391327 U CN204391327 U CN 204391327U CN 201520116933 U CN201520116933 U CN 201520116933U CN 204391327 U CN204391327 U CN 204391327U
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- terminal
- contact
- contact chip
- chip
- opening
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Abstract
The utility model discloses a kind of terminal combination and RF coaxial switch connector, wherein, terminal combination comprises the plain film terminal and the flexible terminal that utilize four-point to contact realization electrical connection, the ingenious uniqueness of structure, can be advantageously applied in little micro coaxle Switch electric connector, under the prerequisite that connection space is limited, achieve stable, reliable, long-acting four-point electrical connection, improve product quality, extend the useful life of RF coaxial switch connector, greatly improve the competitiveness of product in market.Described RF coaxial switch connector comprises above-mentioned terminal combination.
Description
Technical field
The utility model relates to a kind of terminal combination and RF coaxial switch connector, is applied to radio frequency arts.
Background technology
In the communication equipments such as mobile phone, usually need RF coaxial switch connector is installed, to facilitate the state or performance that check the high-frequency circuit be arranged in equipment.At present, the structure of RF coaxial switch connector is roughly as follows: in insulation chipware, be provided with fixed terminal and movable terminal, outside insulation chipware, earthy conductivity housing is installed, and, insulation chipware and conductivity housing are formed the through-hole structure inserted for the probe checked, after probe inserts, promote movable terminal and leave fixed terminal, the electronic circuit of original conducting is disconnected, simultaneously, movable terminal and probes touch, probe becomes conducting state, by this probe, the signal of telecommunication coming from electronic circuit is led to outside, thus realize checking to the state of circuit and performance.
In prior art, above-mentioned fixed terminal and movable terminal are all generally adopt the mode of single contact or double contact structure to realize electrical connection, but, along with communication equipments such as mobile phones toward miniaturized future development, the overall dimension of coaxial connector is also correspondingly more and more less, this just causes above-mentioned traditional single contact or double-contact electric connection mode due to the restriction of structure space, effective reliable long-acting contact cannot be guaranteed, particularly after Long-Time Service, there will be the problems such as termination contact is bad, lost its bounce, shortening in useful life.Given this, in order to the stability that the terminal improving the especially little micro coaxle switching connector of coaxial switch connector is in electrical contact, the problems referred to above are urgently to be resolved hurrily.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of structure is ingenious, the terminal combination of the four-point electrical contact that can realize long stable effect and RF coaxial switch connector.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
The utility model discloses a kind of terminal combination, comprise the plain film terminal and the flexible terminal that utilize four-point to contact realization electrical connection; Wherein, described plain film terminal comprises: the first linking arm, the first terminal main body and the first contact chip, described first contact chip and the first linking arm are divided into head and the afterbody of the first terminal main body, and the free end of the first contact chip is formed with the first opening and lays respectively at two the first contact sites of the first opening both sides; Described flexible terminal comprises: the second linking arm, the second terminal bodies and the second contact chip, described second contact chip and the second linking arm are divided into head and the afterbody of the second terminal bodies, and the free end of the second contact chip is formed with the second opening and lays respectively at two the second contact sites of the second opening both sides; Described two the first contact sites extend towards the upper surface of the second contact chip and contact and form two first kind contacts, and described two the second contact sites extend towards the lower surface of the first contact chip and contact and form two Equations of The Second Kind contacts.
Preferably, aforementioned first opening and the second opening are U-shaped, and both center line directions are consistent with the length direction of plain film terminal and flexible terminal respectively.
More preferably, the upper surface of aforementioned first contact chip is formed with Baltimore groove, described Baltimore groove between two the first contact sites and the first terminal main body, to increase the swingable amplitude of two the first contact sites.
Further, the contact position of aforementioned two the second contact sites and plain film terminal is positioned at the lower surface of position corresponding to Baltimore groove.
Further, the cross sectional shape of the free end of aforementioned two the first contact sites is class arcwall face, comprise camber line, lower camber line, inner edge and outer edge, described inner edge is straight line, described outer edge is intersected by inner arc connecting line and outer arc connecting line and forms, and the position that inner arc connecting line and lower camber line intersect contacts with the upper surface of the second contact chip and forms first kind contact.
Again further, be also provided with a flexible connection piece between aforementioned second contact chip and the second terminal bodies, described flexible connection piece extends to form towards the direction bending progressively away from the second terminal bodies.
Further, aforementioned second contact chip angularly tilts to extend from described flexible connection piece.
Preferably, the end of aforementioned two the second contact sites is formed with arc convex, and described arc convex contacts with the lower surface of the first contact chip and forms Equations of The Second Kind contact.
More preferably, the sub-main body of aforementioned first ends and the second terminal bodies are all formed with through hole.
In addition, the invention also discloses a kind of RF coaxial switch connector, comprise foregoing terminal combination, also comprise: for holding the insulation chipware of described terminal combination and being installed on the housing of insulation chipware outside, after assembling, described plain film terminal and flexible terminal realize four-point contact and are connected in insulation chipware.Preferably, the chipware that insulate is formed in one and makes.
Usefulness of the present utility model is:
(1) terminal combination of the present utility model achieves the electrical contact of four-point by plain film terminal and flexible terminal, compared to single-point type of the prior art or two point form electrical contact, contact more reliable and more stable, useful life is more lasting, overcomes this significant deficiency of contact weak effect caused by attaching space restriction;
(2) by forming the first opening and the second opening respectively at the free end of the first contact chip and the second contact chip, dexterously both free ends are divided into two, define two the first contact sites and two the second contact sites, constitute four contacts, guarantee the reliability and stability of electrical contact;
(3) form Baltimore groove at the upper surface of the first contact chip, thin relevant position, add the swingable amplitude of two the first contact sites;
(4) reasonably improving the cross sectional shape of two the first contact site ends, is the electric connection mode of line face contact by first kind contact design, thus optimizes contact effect and guarantee that contact stabilization is reliable, extends the useful life of product further;
(5) flexible connection piece is set between the second contact chip and the second terminal bodies, terminal combination still can keep good elastic force after prolonged and repeated use, further, form arc convex in the end of two the second contact sites, thus ensure that the contact stabilization of Equations of The Second Kind contact is reliable better;
(6) adopt the RF coaxial switch connector of above-mentioned terminal combination, insulation chipware is one-body molded, and assembling is simple and easy to realize, and improves production efficiency.The more important thing is, effectively can be solved the problem of little micro coaxle switching connector instability in electrical contact by the mode of terminal four-point electrical contact, termination contact is reliable and stable and greatly extend useful life, and product has the good market competitiveness.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of terminal combination of the present utility model when being in four-point contact condition;
Fig. 2 is front view embodiment illustrated in fig. 1;
Fig. 3 is the partial enlargement structural representation at A place in Fig. 2;
Fig. 4 is the perspective view of middle plain film terminal embodiment illustrated in fig. 1;
Fig. 5 is the perspective view of Elastic terminal embodiment illustrated in fig. 1;
Fig. 6 is the package assembly schematic diagram of a specific embodiment of RF coaxial switch connector of the present utility model;
Fig. 7 is cutaway view embodiment illustrated in fig. 6;
Fig. 8 is explosive view embodiment illustrated in fig. 6.
The implication of Reference numeral in figure: 1, plain film terminal, 11, first linking arm, 12, the first terminal main body, 13, first contact chip, 130, lower surface, 131, Baltimore groove, 132, first opening, 133, first contact site, 2, flexible terminal, 21, second linking arm, 22, second terminal bodies, 23, second contact chip, 230, upper surface, 231, arc convex, 232, second opening, 233, second contact site, 24, flexible connection piece, 121/221, through hole, a, first kind contact, b, Equations of The Second Kind contact, 31, upper camber line, 32, lower camber line, 33, inner edge, 34, inner arc connecting line, 35, outer arc connecting line, 4, insulation chipware, 5, housing.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model, wherein adopt same or similar label to represent same or similar element from start to finish or there is element that is identical or similar functions.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, the ordinal number used in the claims and specification is " first ", " second ", " the 3rd " etc. such as, for modify claim instead of due to itself containing any preferentially, the order of formerly or one claim before another claim or the time sequencing of manner of execution step, use with difference such as with the element of the claim of specific names and the another one element term of succession (instead of for) with same names as just label.
See Fig. 1, terminal combination of the present utility model comprises plain film terminal 1 and flexible terminal 2, and both utilize four-point to contact and achieve electrical connection.
Specifically, as shown in Figure 4 and Figure 5, plain film terminal 1 comprises: the first linking arm 11, the first terminal main body 12 and the first contact chip 13, first contact chip 13 and the first linking arm 11 are divided into head and the afterbody of the first terminal main body 12, the free end of the first contact chip 13 is formed with the first opening 132, its end is divided into two the first contact sites 133; Flexible terminal 2 comprises: the second linking arm 21, second terminal bodies 22 and the second contact chip 23, second contact chip 23 and the second linking arm 21 are divided into head and the afterbody of the second terminal bodies 22, the free end of the second contact chip 23 is formed with the second opening 232, its end portion is divided into two the second contact sites 233.Two the first contact sites 133 and two the second contact sites 233 contact with each other when interfering without external force, and the way of contact is four-point, comprise two first kind contact a and two Equations of The Second Kind contact b, as shown in Figure 3.In the insulation chipware 4 will introduced after the effect of the first linking arm 11 and the second linking arm 21 is plain film terminal 1 and flexible terminal 2 to be assembled into, after forming a coaxial switching connector, its bottom surface is soldered to a circuit substrate, thus is mounted on this circuit substrate by coaxial switch connector.Preferably, the first terminal main body 12 and the second terminal bodies 22 all define through hole 121/221, during for preventing from the first linking arm 11 and the second linking arm 21 being welded to circuit substrate, scolding tin climbs and infiltrates to contact site along terminal surfaces.
Composition graphs 1, Fig. 2 and Fig. 3, when two the first contact sites 133 are electrically connected with two the second contact sites 233, two the first contact sites 133 are upper, two the second contact sites 233 under, first kind contact a is positioned at the upper surface 230 of the second contact chip 23, and Equations of The Second Kind contact b is positioned at the lower surface 130 of the first contact chip 13.As previously described, with reference to Fig. 4, the first opening 132 is formed in the middle of the free end of the first contact chip 13, free end is divided into two, simultaneously, two the first contact sites 133 being positioned at the first opening 132 both sides extend towards the upper surface 230 of the second contact chip 23, namely bendingly to the lower right in Fig. 2 extend, thus constitute two first kind contact a; Simultaneously, as shown in Figure 5, two the second contact sites 233 being formed with the second opening 232, second opening 232 both sides in the middle of the free end of the second contact chip 23 extend towards the lower surface 130 of the first contact chip 13, namely extend to the upper left side in Fig. 2, thus constitute two Equations of The Second Kind contact b.So, by architecture advances cleverly, traditional single-point type or two point form electrical contact are improved to the four-point electrical contact of stability, better reliability, are specially adapted to little micro coaxle Switch product.Preferred as one, the shape of the first opening 132 and the second opening 232 is U-shaped, and the first opening 132 is consistent with the length direction of plain film terminal 1 and flexible terminal 2 respectively with the center line direction of the second opening 232.
In order to make the electrical connection of first kind contact a more reliable and stable, as shown in Figure 3, the cross sectional shape of two the first contact site 133 free ends is class arcwall face, so-called " class arcwall face ", namely it comprises camber line 31, lower camber line 32, inner edge 33 and outer edge, wherein, inner edge 33 is straight line, it should be noted that, outer edge is made up of inner arc connecting line 34 and these two straight line intersection of outer arc connecting line 35, the position that inner arc connecting line 34 and lower camber line 32 intersect contacts with the upper surface 230 of the second contact chip 23 and forms first kind contact a, material is thus formed reliable and stable line face contact.In addition, be formed with arc convex 231 at the free end of the second contact chip 23, arc convex 231 contacts with the lower surface 130 of the first contact chip 13 and forms Equations of The Second Kind contact b, and such way of contact also further increases stability and reliability.
In the follow-up use procedure of electric connector, flexible terminal 2 will leave plain film terminal 1 under the active force of external probe, obviously visible, requires very high to the elastic force of the second contact chip 23.Given this, in the utility model, as shown in Figure 5, a flexible connection piece 24 is also provided with between the second contact chip 23 and the second terminal bodies 22, flexible connection piece 24 extends to form towards the direction bending progressively away from the second terminal bodies 22, that is: in fig. 2, flexible connection piece 24 is bent to form towards lower left, second contact chip 23 extends until two the second contact sites 233 contact with the lower surface 130 of the first contact chip 13 towards upper left side in contrast, and namely the second contact chip 23 own elasticity brace 24 angularly tilts to extend.The more lasting effective elastic force of the second contact chip 23 can be ensured like this, the useful life of extended end sub-portfolio.
As an improvement of the present utility model, as shown in Figure 4, the first contact chip 13 is also formed and thins district, particularly, upper surface between two the first contact sites 133 and the first terminal main body 12 forms a Baltimore groove 131, to increase the swingable amplitude of the first contact site 133.Meanwhile, Equations of The Second Kind contact b is located in and thins below district, and this special contact position has better elasticity, thus obtains better reliability of electrical connection and stability.
Below in conjunction with Fig. 6 to Fig. 8 to terminal combination of the present utility model embody rule---concise and to the point elaboration done by RF coaxial switch connector, as shown in Figure 6 and Figure 8, the terminal combination introduced before RF coaxial switch connector of the present utility model comprises, terminal combination assembling is contained in insulation chipware 4, and housing 5 is installed on outside insulation chipware 4.After assembling, as shown in Figure 6 and Figure 7, the first linking arm 11 and the second linking arm 21 expose to the both sides of insulation chipware 4, and plain film terminal 1 and flexible terminal 2 achieve four-point electrical connection, and flexible terminal 2 has good elastic force, can guarantee reliable with the electrical connection of plain film terminal 1 and stablize.
Similar to prior art, the probe of docking facilities inserts in coaxial electric coupler from the top of insulation chipware 4 and housing 5, when downward active force is applied to the second contact chip 23, second contact chip 23 will depart from the first contact chip 13 and forms open circuit, meanwhile, the second contact chip 23 and probes touch, probe becomes conducting state, by this probe, the signal of telecommunication coming from electronic circuit is led to outside, thus realize checking to circuit state to be detected and performance.
Conveniently assemble, in the utility model, preferably adopt integrated insulation chipware 4, be actually not limited to this.
To sum up, the ingenious uniqueness of terminal assembled structure of the present utility model, can be advantageously applied in little micro coaxle Switch electric connector, stable, reliable, long-acting four-point electrical connection is achieved under the prerequisite that connection space is limited, improve product quality, extend the useful life of RF coaxial switch connector, greatly improve the competitiveness of product in market.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection range of the present utility model.
Claims (10)
1. a terminal combination, is characterized in that, comprises the plain film terminal and the flexible terminal that utilize four-point to contact realization electrical connection; Wherein, described plain film terminal comprises: the first linking arm, the first terminal main body and the first contact chip, described first contact chip and the first linking arm are divided into head and the afterbody of the first terminal main body, and the free end of the first contact chip is formed with the first opening and lays respectively at two the first contact sites of the first opening both sides; Described flexible terminal comprises: the second linking arm, the second terminal bodies and the second contact chip, described second contact chip and the second linking arm are divided into head and the afterbody of the second terminal bodies, and the free end of the second contact chip is formed with the second opening and lays respectively at two the second contact sites of the second opening both sides; Described two the first contact sites extend towards the upper surface of the second contact chip and contact and form two first kind contacts, and described two the second contact sites extend towards the lower surface of the first contact chip and contact and form two Equations of The Second Kind contacts.
2. terminal combination according to claim 1, is characterized in that, described first opening and the second opening are U-shaped, and both center line directions are consistent with the length direction of plain film terminal and flexible terminal respectively.
3. terminal combination according to claim 1, it is characterized in that, the upper surface of described first contact chip is formed with Baltimore groove, described Baltimore groove is between two the first contact sites and the first terminal main body, and the contact position of described two the second contact sites and plain film terminal is positioned at the lower surface of position corresponding to Baltimore groove.
4. terminal combination according to claim 1, it is characterized in that, the cross sectional shape of the free end of described two the first contact sites is class arcwall face, comprise camber line, lower camber line, inner edge and outer edge, described inner edge is straight line, described outer edge is intersected by inner arc connecting line and outer arc connecting line and forms, and the position that inner arc connecting line and lower camber line intersect contacts with the upper surface of the second contact chip and forms first kind contact.
5. terminal combination according to claim 1, is characterized in that, is also provided with a flexible connection piece between described second contact chip and the second terminal bodies, and described flexible connection piece extends to form towards the direction bending progressively away from the second terminal bodies.
6. terminal combination according to claim 5, is characterized in that, described second contact chip angularly tilts to extend from described flexible connection piece.
7. terminal combination according to claim 1, is characterized in that, the end of described two the second contact sites is formed with arc convex, and described arc convex contacts with the lower surface of the first contact chip and forms Equations of The Second Kind contact.
8. terminal combination according to claim 1, is characterized in that, described the first terminal main body and the second terminal bodies are all formed with through hole.
9. a RF coaxial switch connector, it is characterized in that, comprise the terminal combination as described in any one of claim 1-8, also comprise: for holding the insulation chipware of described terminal combination and being installed on the housing of insulation chipware outside, after assembling, described plain film terminal and flexible terminal realize four-point contact and are connected in insulation chipware.
10. RF coaxial switch connector according to claim 9, is characterized in that, described insulation chipware is formed in one and makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520116933.7U CN204391327U (en) | 2015-02-26 | 2015-02-26 | Terminal combination and RF coaxial switch connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520116933.7U CN204391327U (en) | 2015-02-26 | 2015-02-26 | Terminal combination and RF coaxial switch connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204391327U true CN204391327U (en) | 2015-06-10 |
Family
ID=53364018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520116933.7U Withdrawn - After Issue CN204391327U (en) | 2015-02-26 | 2015-02-26 | Terminal combination and RF coaxial switch connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204391327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600457A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch connector |
| CN107887736A (en) * | 2016-09-30 | 2018-04-06 | 电连技术股份有限公司 | signal connector |
-
2015
- 2015-02-26 CN CN201520116933.7U patent/CN204391327U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600457A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch connector |
| CN104600457B (en) * | 2015-02-26 | 2017-03-01 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch adapter |
| CN107887736A (en) * | 2016-09-30 | 2018-04-06 | 电连技术股份有限公司 | signal connector |
| CN107887736B (en) * | 2016-09-30 | 2020-04-21 | 电连技术股份有限公司 | Signal connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20171114 |