CN203071298U - Novel radio frequency head - Google Patents
Novel radio frequency head Download PDFInfo
- Publication number
- CN203071298U CN203071298U CN2012206243821U CN201220624382U CN203071298U CN 203071298 U CN203071298 U CN 203071298U CN 2012206243821 U CN2012206243821 U CN 2012206243821U CN 201220624382 U CN201220624382 U CN 201220624382U CN 203071298 U CN203071298 U CN 203071298U
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- Prior art keywords
- switch
- base
- switch base
- movable terminal
- movable
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Abstract
The utility model provides a novel radio frequency head which is composed of a housing base, a switch base and an insulating bottom cover. The housing base is integrally formed by a metal housing and an upper insulator in an insertion injection molding method, and the center of the housing base is provided with a plug hole vertically penetrating through the housing base; the switch base includes a switch formed by lapping a movable terminal and a fixed terminal and is integrally formed with a lower insulator in an insertion injection molding method, the lower insulator of the switch base is composed of two half lower insulators which are symmetrically distributed at the two sides of the switch, and a cavity vertically penetrating through the switch base is formed between the two half lower insulators; two sides of the metal housing are extended with a pair of extension parts and stopping parts to wrap the switch base and the insulating bottom cover in the housing base so as to make the insulating cover covered on an opening, formed on the bottom surface of the switch base, of the cavity; and an opening on the bottom of a movement function region of the radio frequency head is closed, thus preventing solder from climbing and accumulation or other foreign materials from entering or approaching the movable function region to damage the product performance.
Description
Technical field
The utility model relates to a kind of radio-frequency maser (having another name called coaxial connector), relate in particular to a kind of for carry out on the high-frequency circuit input, have and prevent from climbing tin and foreign matter is invaded inner a kind of New-type radio-frequency head.
Background technology
In high-frequency signal circuit board, especially in circuit board of mobile phone, be provided with mostly and can insert high-frequency signal (plugging together with test probe) and circuit is detected, simultaneously again can be when not inserting the high-frequency signal circuit operate as normal coaxial connector of conducted signal, so this coaxial connector is the connector with switching function.Along with the variation day by day of electronic product function, the development trend of the portable day by day microminiaturization of profile has had more and more higher requirement to the coaxial connector profile microminiaturization with switching function.
Therefore the profile of coaxial connector also develops towards more and more miniature direction, and industry reduces the requirement that spacing between the product component realizes the coaxial connector microminiaturization to dwindle element size in this process.Coaxial connector comprises at least in the industry, one outer conductor, one switching mechanism, one insulator, described switching mechanism comprises at least that a movable terminal and a fixed terminal overlap mutually and forms, described movable terminal and fixed terminal respectively have a weld part to be used for welding together with the circuit board of application target electronic product, and described coaxial connector with switching function is electrically connected in circuit.
In welding process the scolder of fusion often under the effect of capillarity towards periphery the solderability material swash attached; therefore usually can therefore climb around the fixed terminal weld part and echo the accumulation scolder; and the requirement of the miniaturization of products makes the spacing between each parts of product more and more littler; therefore when using probe and coaxial connector to plug together; the coaxial connector movable terminal can be piled up and climb attached scolder on every side and be in contact with one another with the fixed terminal weld part, causes the coaxial connector afunction.
The position that overlaps mutually owing to movable terminal and fixed terminal makes foreign matter invade the electric property that reduces coaxial connector easily in addition.
The utility model content
For addressing the above problem a little, the utility model provides a kind of New-type radio-frequency head, by an outer shell base, one switch base and an insulation bottom are formed, this outer shell base comprises insulator on a metal shell and, metal shell is coated on the insulator form by inlaying injection molding method, the center is provided with a spliced eye that runs through outer shell base up and down, described switch base comprises a movable terminal, the molecular switch of one stiff end and following insulator, described switch is embedded in down in the insulator form by inlaying injection molding method, the following insulator of described switch base is made up of two following insulators that are symmetrical distribution in the switch both sides half, form the cavity volume of the seat of penetrating switch up and down of described switch zone of action between these two following insulators half, described insulation bottom is covered in the opening that cavity volume forms in the switch base bottom surface, it is characterized in that: described metal shell is extended with a pair of extension in the relative both sides of outer shell base, this extension bends an approximate right angle respectively downwards and forms a stopper section, be respectively equipped with a location groove on the relevant position of twice insulators of described switch base half, the extension of described metal shell is spacing in described detent in the bending downwards of the appropriate position of switch base both sides, described stopper section is under the bending power of extension simultaneously, make outer shell base place the switch base top, switch base and insulation bottom are coated in the described metal shell.
Preferably, described movable terminal comprise matrix part, upwards the elastic arm portion that forms of rollover folding, the movable terminal fixed part that extends from another lateral margin of described matrix part, the movable terminal contact site that is extended to form by described elastic arm portion end and the movable terminal connecting portion that the vacancy extends to form to the opposite side turnover opposite with elastic arm portion from described movable terminal fixed part from the centre position of described matrix part one lateral margin; The two side portions of described movable terminal matrix part and described fixed part embeds respectively in the corresponding insulator half down.
Preferably, described movable terminal is provided with at least one and engages enhancing portion in the both sides of the close movable terminal contact site of described movable terminal fixed part.
Preferably, described fixed terminal comprises: spanning in the cavity volume of half in following insulator be flat fixed terminal contact site, by two downward bendings of opposite side edges of described fixed terminal contact site and extend, embed respectively two fixed terminal fixed parts of described twice insulators half and the fixed terminal weld part that forms from the downward bending of lateral margin of the opposite side that is electrically connected with movable end of fixed terminal contact site.
Preferably, the lateral border of described fixed terminal fixed part is provided with at least one coupling recess, and described coupling recess is preferably semilune.
Preferably, be formed with between described stiff end contact site and the movable end and be electrically connected the zone, being electrically connected between zone and the described stiff end connecting portion on the described stiff end contact site arranges porose portion, be preferably ellipse, the bottom surface that is electrically connected with movable end of described stiff end contact site is provided with chamfering.
Preferably, described insulation bottom is the rectangular flat of an insulation, both sides along its length on its bottom surface are respectively equipped with limited impression, the stopper section of described metal shell is limited in the described limited impression under the bending power effect of described extension, and backstop firmly insulate bottom covering cavity volume on the opening of switch base bottom surface formation.
Preferably, it is dull and stereotyped that one side centre position of described insulation bottom broad ways is extended with a location, close fixed terminal one side of described switch base bottom surface correspondingly is provided with containing groove, and preferably, described location is dull and stereotyped, and contiguous fixed terminal one side is provided with a recess in its bottom surface.
Preferably, the side of described insulation bottom in described cavity volume is provided with the concave part with certain depth, and this concave part is positioned at the roughly lower position of the movable part of movable terminal, and width is greater than the width of described movable terminal.
Description of drawings
Fig. 1: be the utility model first embodiment one schematic perspective view
Fig. 2: be another visual angle schematic perspective view of the utility model first embodiment
Fig. 3: be the utility model first example structure decomposing schematic representation
Fig. 4: be the utility model first embodiment movable terminal schematic perspective view
Fig. 5: be the utility model first embodiment fixed terminal schematic perspective view
Fig. 6: be the utility model first embodiment bottom schematic perspective view that insulate
Fig. 7: be the utility model first embodiment switch base and insulation bottom assembling schematic perspective view
Fig. 8: the cutaway view that is the utility model first embodiment A-A tangent plane
Symbol description among the figure
00 1 kinds of New-type radio-frequency heads
80 times insulators of insulator 60 movable terminals, 70 fixed terminals on 10 outer shell bases, 20 switch bases, 30 insulation bottoms, 40 metal shells 50
21 cavity volumes, 22 openings, 23 containing grooves
31 spacing recess 32 location board 33 recesses 34 concave parts
41 extensions, 42 stopper sections, 42 plane boards
61 matrix parts, 62 elastic arm portions, 63 movable terminal fixed parts, 64 movable terminal contact sites, 65 movable terminal connecting portions
71 fixed terminal contact sites, 72 fixed terminal fixed parts, 73 fixed terminal weld parts 74 are in conjunction with recess 75 hole portions 76 chamferings
81 times insulator half 82 spacing recesses
Embodiment
Describe the utility model embodiment in detail below in conjunction with accompanying drawing.
See also Fig. 1, shown in Figure 2, the utility model provides a kind of New-type radio-frequency head 00, by an outer shell base 10, one switch base 20 and an insulation bottom 30 are formed, this outer shell base 10 comprises insulator 50 on a metal shell 40 and, metal shell 40 is coated on the insulator 50 form by inlaying injection molding method, the center is provided with a spliced eye 11 that runs through outer shell base 10 up and down, described switch base 20 comprises a movable terminal 60, the switch that one fixed terminal 70 is formed and following insulator 80, described switch is embedded in down in the insulator 80 form by inlaying injection molding method, the following insulator 80 of described switch base is made up of two following insulators that are symmetrical distribution in the switch both sides half 81, form the cavity volume 21 of the seat of penetrating switch up and down of described switch zone of action between these two following insulators half 81, described insulation bottom 30 is covered in the opening 22 that cavity volume 21 forms in switch base 20 bottom surfaces, with overlap joint join domain bottom opening 22 sealings of movable terminal 60 with fixed terminal 70.
See also shown in Figure 3, before each parts is assembled, described metal shell 40 the relative both sides of outer shell base 20 be extended with a pair of have outside the extension 41 of subtended angle degree, this extension 41 bends an approximate right angle respectively downwards and forms a stopper section 42, be respectively equipped with a limited impression 82 on the relevant position of twice insulators of described switch base 20 half 81, the extension 41 of described metal shell is spacing in described limited impression 82 in the bending downwards of the appropriate position of switch base 20 both sides, described stopper section 42 is under the bending power of extension simultaneously, make outer shell base 10 place switch base 20 tops, switch base 20 and insulation bottom 30 are coated in the described metal shell 10.
See also shown in Figure 4, the movable terminal 60 of described switch base 20 comprises matrix part 61, from the centre position of described matrix part one lateral margin upwards the elastic arm portion 62 that forms of rollover folding, the movable terminal fixed part 63 that extends from another lateral margin of described matrix part 61, the movable terminal contact site 64 that is extended to form by described elastic arm portion 62 ends and the vacancy extends to form to the opposite side turnover opposite with elastic arm portion 62 from described movable terminal fixed part 63 movable terminal connecting portion 65, described movable terminal connecting portion 65 welds together with the target application circuit board.The two side portions of described movable terminal matrix part 61 and described fixed part 63 embeds respectively in the corresponding insulator down half 81.
Please continue to consult shown in Figure 4, described movable terminal 60 is provided with at least one and engages enhancing portion 66 in the both sides of the close movable terminal contact site 64 of described movable terminal fixed part 63, described joint enhancing portion 66 is embedded and makes the more firm of movable terminal fixed part 63 and following insulator 80 combinations in insulator half 81 down.
See also shown in Figure 5, described fixed terminal 70 comprises: spanning in following insulator half 81 cavity volume 21 be flat fixed terminal contact site 71, by two downward bendings of opposite side edges of described fixed terminal contact site 71 and extend, embed respectively two fixed terminal fixed parts 72 of described twice insulators half 81 and the fixed terminal weld part 73 that forms from the downward bending of lateral margin of the opposite side that is electrically connected with movable end of fixed terminal contact site 71, described fixed terminal weld part 73 welds together by the SMT welding procedure with the target application circuit board.
Please continue to consult shown in Figure 5, the lateral border of described fixed terminal fixed part 72 is provided with at least one coupling recess 74, described coupling recess 74 is semilune, described semi-moon shaped coupling recess 74 is embedded and makes the more firm of fixed terminal fixed part 73 and following insulator 80 combinations in the insulator half 81 down, guarantees that 80 twice insulators of insulator half 81 are difficult for separating with fixed terminal 70 when being subjected to external force down.
See also Fig. 5 and in conjunction with shown in Figure 3, be formed with between described stiff end contact site 72 and the movable end 60 and be electrically connected the zone, being electrically connected between zone and the described stiff end weld part 73 on the described stiff end contact site 71 arranges porose 75, be preferably ellipse, the scolder that described oval-shaped hole portion 75 can prevent stiff end weld part 73 in the SMT welding procedure is climbed by fixed terminal fixed part 72 and is attached to fixed terminal contact site 71 and influence and destroy the function of radio-frequency maser.The bottom surface that is electrically connected with movable end of described stiff end contact site 71 is provided with chamfering 76, and the contact area that fixed terminal contact site 71 and movable terminal are electrically connected increases, and has reduced contact resistance, has improved the electric property of radio-frequency maser.
See also Fig. 6, shown in Figure 2, described insulation bottom 30 is the rectangular flat of an insulation, both sides along its length on its bottom surface are respectively equipped with limited impression 31, the stopper section 42 of described metal shell 40 is limited in the described limited impression 31 under the bending power effect of described extension 41, backstop firmly insulate bottom 30 covering cavity volumes on the opening 22 of switch base bottom surface formation, make insulation bottom 30 below mutual overlap joint zone between above-mentioned movable terminal connecting portion 65 and the fixed terminal weld part 73, prevent that like this scolder around the stiff end connecting portion 73 is climbed attached accumulation in the SMT welding process, when movable terminal contact site 64 is moved down after probe inserts with the scolder isolation of fixed terminal weld part 73, guarantee radio-frequency maser commutation circuit normally, prevent that simultaneously foreign matter from entering the zone of movable terminal contact site 64 and fixed terminal contact site 71 mutual overlap joints.
Please continue to consult Fig. 6, shown in Figure 7, one side centre position of described insulation bottom 30 broad wayss is extended with a location dull and stereotyped 32, close fixed terminal 70 1 sides of described switch base 20 bottom surfaces correspondingly are provided with containing groove 23, described location-plate 32 is placed in the containing groove 23 of switch base 20 bottom surfaces, play assembling and positioning like this and avoided oppositely assembling ground effect, improved the consistency of insulation bottom 30 rigging positions between the different goods.Contiguous fixed terminal 70 1 sides are provided with a recess 33 in its bottom surface in described location dull and stereotyped 32, in the SMT welding procedure, will adhere to scolder around the fixed terminal weld part 71, when scolder is too much, described recess 33 provides accommodation space to excess solder, further avoids too much climbing attached accumulation to fixed terminal weld part 71 because of scolder.
See also Fig. 6, Fig. 8 and in conjunction with Fig. 1, the side of described insulation bottom 30 in described cavity volume 21 is provided with the concave part 34 with certain depth, this concave part 34 is positioned at movable terminal contact site 63 lower position roughly of the movable part elastic arm portion 62 of movable terminal 60, and width is greater than the width of described movable terminal elastic arm portion 62, when moving down in movable terminal elastic arm portion 62 like this, the elastic arm portion 62 up and down activity spaces that provide are provided concave part 34, electric disconnection when assurance the utility model 00 plugs together with probe.
The above has listed most preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, and namely all equalizations of doing according to the utility model protection range change and modify, and all should belong in the scope of the utility model claims.
Claims (9)
1. New-type radio-frequency head, by an outer shell base, one switch base and an insulation bottom are formed, this outer shell base comprises insulator on a metal shell and, metal shell is coated on the insulator form by inlaying injection molding method, the center is provided with a spliced eye that runs through outer shell base up and down, described switch base comprises a movable terminal, the molecular switch of one stiff end and following insulator, described switch is embedded in down in the insulator form by inlaying injection molding method, the following insulator of described switch base is made up of two following insulators that are symmetrical distribution in the switch both sides half, form the cavity volume of the seat of penetrating switch up and down of described switch zone of action between these two following insulators half, described insulation bottom is covered in the opening that cavity volume forms in the switch base bottom surface, it is characterized in that: described metal shell is extended with a pair of extension in the relative both sides of outer shell base, this extension bends an approximate right angle respectively downwards and forms a stopper section, be respectively equipped with a location groove on the relevant position of twice insulators of described switch base half, the extension of described metal shell is spacing in described detent in the bending downwards of the appropriate position of switch base both sides, described stopper section is under the bending power of extension simultaneously, make outer shell base place the switch base top, switch base and insulation bottom are coated in the described metal shell.
2. a kind of New-type radio-frequency head according to claim 1 is characterized in that: described movable terminal comprises matrix part, upwards the elastic arm portion that forms of rollover folding, the movable terminal fixed part that extends from another lateral margin of described matrix part, the movable terminal contact site that is extended to form by described elastic arm portion end and the movable terminal connecting portion that the vacancy extends to form to the opposite side turnover opposite with elastic arm portion from described movable terminal fixed part from the centre position of described matrix part one lateral margin; The two side portions of described movable terminal matrix part and described fixed part embeds respectively in the corresponding insulator half down.
3. the New-type radio-frequency head of improvement according to claim 2 is characterized in that, described movable terminal is provided with at least one and engages enhancing portion in the both sides of the close movable terminal contact site of described movable terminal fixed part.
4. a kind of New-type radio-frequency head according to claim 1, it is characterized in that: described fixed terminal comprises: spanning in the cavity volume of half in insulator down be flat fixed terminal contact site, by two downward bendings of opposite side edges of described fixed terminal contact site and extend, embed respectively two fixed terminal fixed parts of described twice insulators half and the fixed terminal weld part that forms from the downward bending of lateral margin of the opposite side that is electrically connected with movable end of fixed terminal contact site.
5. a kind of New-type radio-frequency head according to claim 4, it is characterized in that: the lateral border of described fixed terminal fixed part is provided with at least one coupling recess.
6. a kind of New-type radio-frequency head according to claim 4, it is characterized in that: be formed with between described stiff end contact site and the movable end and be electrically connected the zone, being electrically connected between zone and the described stiff end connecting portion on the described stiff end contact site arranges porose portion, and the bottom surface that is electrically connected with movable end of described stiff end contact site is provided with chamfering.
7. a kind of New-type radio-frequency head according to claim 1, it is characterized in that: described insulation bottom is the rectangular flat of an insulation, both sides along its length on its bottom surface are respectively equipped with limited impression, the stopper section of described metal shell is limited in the described limited impression under the bending power effect of described extension, and backstop firmly insulate bottom covering cavity volume on the opening of switch base bottom surface formation.
8. a kind of New-type radio-frequency head according to claim 7, it is characterized in that: it is dull and stereotyped that a side centre position of described insulation bottom broad ways is extended with a location, close fixed terminal one side of described switch base bottom surface correspondingly is provided with containing groove, preferably, described location is dull and stereotyped is provided with a recess at its bottom surface vicinity fixed terminal one side.
9. a kind of New-type radio-frequency head according to claim 7, it is characterized in that: the side of described insulation bottom in described cavity volume is provided with the concave part with certain depth, this concave part is positioned at the roughly lower position of the movable part of movable terminal, and width is greater than the width of described movable terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206243821U CN203071298U (en) | 2012-11-23 | 2012-11-23 | Novel radio frequency head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206243821U CN203071298U (en) | 2012-11-23 | 2012-11-23 | Novel radio frequency head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071298U true CN203071298U (en) | 2013-07-17 |
Family
ID=48770051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206243821U Expired - Lifetime CN203071298U (en) | 2012-11-23 | 2012-11-23 | Novel radio frequency head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525351A (en) * | 2019-02-02 | 2020-08-11 | 上海莫仕连接器有限公司 | Electrical connector |
-
2012
- 2012-11-23 CN CN2012206243821U patent/CN203071298U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525351A (en) * | 2019-02-02 | 2020-08-11 | 上海莫仕连接器有限公司 | Electrical connector |
| CN111525351B (en) * | 2019-02-02 | 2021-09-21 | 上海莫仕连接器有限公司 | Electrical connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ELECTRIC CONNECTION PRECISE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN ELECTRIC CONNECTOR TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518106 8-A building, Jin Ying Industrial Zone, West Tian Village, Gongming subdistrict, Guangming District, Guangdong, Shenzhen Patentee after: ELECTRIC CONNECTOR TECHNOLOGY Co.,Ltd. Address before: 518106 8-A building, Jin Ying Industrial Zone, West Tian Village, Gongming subdistrict, Guangming District, Guangdong, Shenzhen Patentee before: Shenzhen Electric Connector Technology Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518106 8-A building, Jin Ying Industrial Zone, West Tian Village, Gongming subdistrict, Guangming District, Guangdong, Shenzhen Patentee after: ELECTRIC CONNECTOR TECHNOLOGY Co.,Ltd. Address before: 518106 8-A building, Jin Ying Industrial Zone, West Tian Village, Gongming subdistrict, Guangming District, Guangdong, Shenzhen Patentee before: ELECTRIC CONNECTOR TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |