CN202906054U - Radio frequency head with improved structure - Google Patents
Radio frequency head with improved structure Download PDFInfo
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- CN202906054U CN202906054U CN2012206247663U CN201220624766U CN202906054U CN 202906054 U CN202906054 U CN 202906054U CN 2012206247663 U CN2012206247663 U CN 2012206247663U CN 201220624766 U CN201220624766 U CN 201220624766U CN 202906054 U CN202906054 U CN 202906054U
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- base
- switch
- cavity volume
- insulating base
- structure improved
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Abstract
The utility model provides a radio frequency head with improved structure. The radio frequency head comprises a housing base, a switch base, and an insulating base. The housing base comprises a metal housing and an upper insulator. The metal housing is coated on the upper insulator in an inlaying injection molding manner, and the housing base is formed integrally. The switch base is formed integrally by a switch and a lower insulator in the inlaying injection molding manner. The switch is formed by a movable terminal, a fixed terminal jointed with each other. The lower insulator comprises two half lower insulators which are symmetrically distributed on two sides of the switch. A cavity of a movement area of the switch is formed between the two half lower insulators. A wrapping and clamping portion is disposed on two sides of the metal housing. The switch base and the insulating base are coated and stopped in the metal housing. The insulating base covers an opening formed on a bottom of the switch base on the cavity. An opening on a bottom of a radio frequency head movement function region is closed, thereby preventing solders and other foreign matters from entering and approaching the movement function region to damage product performance.
Description
The utility model relates to a kind of radio-frequency maser (having another name called coaxial connector), relates in particular to a kind ofly to prevent climbing tin or prevent that foreign matter from invading inner a kind of structure improved radio-frequency maser for having of carrying out on the high-frequency circuit that input or channel switch.
In high-frequency signal circuit board, especially in circuit board of mobile phone, mostly be provided with and access high-frequency signal and circuit is detected, simultaneously again can be when not accessing the high-frequency signal circuit normal operation coaxial connector of conducted signal, so this coaxial connector is the connector with switching function.
It is CN 202259913 that the applicant has patent publication No., the Chinese utility model patent that open day is on May 3rd, 2012 discloses a kind of microswitch coaxial connector, this paper quotes in full the content of this utility model, be summarized as follows: this microswitch coaxial connector is used for printed circuit board, plug together use with probe, this microswitch coaxial connector comprises: 92. times insulators 93 of insulator and the switching mechanism 96 that is comprised of movable terminal 94 and fixed terminal 95 on the screening can 91., described upper insulator 92 is embedded below screening can 91, described switching mechanism 96 is embedded in lower insulator 93, and the screening can 91 that the below is embedded with insulator 92 vertically rivets together with the lower insulator 93 that is embedded switching mechanism 96.
Shown in Figure 2 with reference to Fig. 1, described movable terminal 94 and fixed terminal 95 are respectively equipped with movable terminal weld part 941 and fixed terminal weld part 951 and both and are relatively arranged on respectively the both sides of accommodation space, movable terminal contact site 941 and fixed terminal contact site 952 mutually overlap joint formation switching mechanism clinch 961 are positioned at the substantial middle position, two weld parts are used for using with welding circuit board, can make like this in the microswitch coaxial connector electrical connection high-frequency circuit.
In welding process the scolder of melting often under capillarity towards periphery the solderability material swash attached, and product is extremely microminiaturized, space length between switching mechanism clinch 961 and the fixed terminal weld part 951 is less, therefore minority microswitch coaxial connector 90 is in the paster welding procedure, the phenomenon that the tin material is climbed attached accumulation can appear around the fixed terminal weld part 951, after coaxial connector and probe are plugged together, when movable terminal contact site 942 moves down and the scolder of piling up around the fixed terminal weld part 951 be in contact with one another, cause the coaxial connector afunction.
Owing to switching mechanism movable terminal 94 and switch clinchs 961 and the outside that fixed terminal 95 mutual overlap joints form do not completely cut off, the easy like this foreign matter that makes is invaded and the electric property of reduction coaxial connector in addition.
For addressing the above problem a little, the utility model provides a kind of a kind of structure improved radio-frequency maser that has, by an outer shell base, one switch base and an insulating base form, this outer shell base comprises insulator on a metal shell and, metal shell is coated on the upper insulator form by inlaying injection molding method, the center is provided with a spliced eye that runs through up and down outer shell base, described switch base comprises a movable terminal, one fixed terminal overlaps switch and the lower insulator of formation mutually, described switch is embedded in the lower insulator form by inlaying injection molding method, the lower insulator of described switch base partly is comprised of two lower insulators that are symmetric in the switch both sides, form the cavity volume of the up and down penetrating switch seat of described switch zone of action between these two lower insulators half, described insulating base is covered in the opening that cavity volume forms in the switch base bottom surface, described metal shell has the holder of coating and backstop action in the bending one downwards of the appropriate position of switch base both sides, make outer shell base place the switch base top, envelope simultaneously switch base and insulating base and backstop in described metal shell.
Preferably, the dual-side of described movable terminal and fixed terminal is embedded in respectively in the lower insulator half of cavity volume both sides of described switch base, and the overlap joint join domain of described movable terminal and fixed terminal is positioned at the substantial middle position of described cavity volume.
Preferably, described insulating base is provided with one towards the outstanding boss of spliced eye direction near under the spliced eye of described outer shell base center.
Preferably, the side of described insulating base 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.
Preferably, described insulating base is T-shaped, by a flat part and extend downward vertically from the intermediate position etc. a base plate of width form, the opening at the bottom surface of described lower insulator half and place, described cavity volume bottom surface is provided with a notch portion adjacently, and described flat part is contained in described notch portion and the opening.
Preferably, described movable terminal and the fixed terminal respectively separately place side from the cavity volume of described switch base protrude an extension, and this extension bends a weld part, wherein, and the formation that bends inwards from the side of switch base of the weld part of described fixed terminal
Preferably, the bottom surface of described insulation board is provided with a recess in the weld part side near described fixed terminal.
Preferentially make at least one end on limit, described recess place be provided with oblique notch part, the notch portion of described lower insulator half is provided with should oblique notch part shape and the oblique protuberance of quantity.
Preferably, the opening at the bottom surface of described lower insulator half and place, described cavity volume bottom surface is provided with a positive stop lug boss adjacently.
Fig. 1: the schematic perspective view of radio-frequency maser in the prior art
Fig. 2: another visual angle schematic perspective view of radio-frequency maser in the prior art
Fig. 3: be the utility model the first embodiment schematic perspective view
Fig. 4: be another visual angle schematic perspective view of the utility model the first embodiment
Fig. 5: be the utility model the first example structure decomposing schematic representation
Fig. 6: be the utility model the first embodiment switch base schematic perspective view
Fig. 7: the schematic perspective view that is the utility model the first embodiment insulating base
Fig. 8: be the cutaway view after the assembling of the utility model the first embodiment insulating base and switch base
Fig. 9: be the schematic perspective view after the assembling of the utility model the second embodiment insulating base and insulating base
00 1 kinds of structure improved radio-frequency masers
10 outer shell bases, 11 spliced eyes
20 switch bases, 21 cavity volumes, 22 openings
30 insulating bases, 31 protuberances, 32 grooves, 33 recesses, 34 flat parts, 35 base plate, 36 oblique notch parts
40 metal shells, 41 holders, 42 plane boards
Insulator on 50
60 movable terminals 61 suppress arm 62 press sections 63 contact sites, 64 movable terminal weld parts
70 fixed terminals, 71 fixed terminal weld parts
The oblique tang of 81 times insulators of 80 times insulators, half 82 notch portion 83 section 84 positive stop lug boss
Describe the utility model embodiment in detail below in conjunction with accompanying drawing.
Please refer to Fig. 3. shown in Figure 4: the utility model provides a kind of structure improved radio-frequency maser 00, by an outer shell base 10, one switch base 20 and an insulating base 30 form, described outer shell base 10 comprises insulator 50 on a metal shell 40 and, metal shell 40 is coated on the upper insulator 50 form by inlaying injection molding method, the center is provided with a spliced eye 11 that runs through up and down outer shell base 10 and is used for plugging together with test probe, described switch base 20 comprises a movable terminal 60, one fixed terminal 70 is switch and the lower insulator 80 of overlap joint formation mutually, described switch is embedded in the lower insulator 80 form by inlaying injection molding method, the lower insulator 80 of described switch base 20 is comprised of two lower insulators that are symmetric in the switch both sides half 81, form the cavity volume 21 of the up and down penetrating switch seat of described switch zone of action between these two lower insulators half 81, described insulating base 30 is covered in the opening 22 that cavity volume 21 forms in switch base 20 bottom surfaces, described metal shell 40 has the holder 41 of coating and backstop action in the bending one downwards of the appropriate position of switch base 20 both sides, make outer shell base 10 place switch base 20 tops, envelope simultaneously switch base 20 and insulating base 30 and backstop in described metal shell 40.
Structure of the present utility model is described further, please refer to Fig. 5, shown in Figure 6: before each parts enters the assembling section, the holder 41 of described metal shell 40 has suitable outer subtended angle degree, after each parts overlaps according to said sequence, use the riveting tool that the holder 41 subtend fourths of the twelve Earthly Branches of metal shell 40 are pressed, so that holder 41 forms the right angle with metal shell plane board 42, each parts is coated in the metal shell 40.The dual-side of described movable terminal 60 and fixed terminal 70 is embedded in respectively in the lower insulator half 81 of cavity volume 21 both sides of described switch base 20.The overlap joint join domain of described movable terminal 60 and fixed terminal 70 is positioned at the substantial middle position of described cavity volume 21.
The relation of switch base 20 and insulating base 30 is described further, please refer to Fig. 6 and in conjunction with shown in Figure 4: described switch base cavity volume 21 is formed with opening 22 in the switch base bottom surface, the overlap joint join domain of movable terminal 60 and fixed terminal 70 is positioned at the position of described switch base bottom surface opening 22 directly over roughly, described insulating base 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.
Please refer to Fig. 7, shown in Figure 8: described insulating base 30 is provided with one towards the outstanding boss 31 of spliced eye 11 directions near under the spliced eye of described outer shell base 10 centers, the press section 62 that movable terminal suppresses arm 61 be positioned at directly over the boss 31 and spliced eye 11 under overlapped with boss 31 in the vertical directions, when the utility model 00 and test probe plug together, movable end press section 62 can be subject to test probe and move down from the downward pressure of spliced eye 11 directions, when movable end press section 63 moves to described boss 31 position, described boss 31 will be conflicted to movable end press section 62, avoid because probe pressure continues to move down and causes suppressing arm 61 plastic deformations in press section 62 when excessive, guarantee after the utility model 00 and the probe separates that switching mechanism is can automatic electric closed.
Please continue with reference to Fig. 7, shown in Figure 8: the side of described insulating base 30 in described cavity volume 21 is provided with the concave part 32 with certain depth, the contact site 63 that the motion parts that this concave part 32 is positioned at movable terminal suppresses arm 61 roughly under the position, and the width of described groove 32 suppresses the width of arm 61 contact sites 63 greater than described movable terminal.Like this when movable terminal suppresses arm 61 and moves down, concave part 32 is for the arm 61 contact sites 63 up and down activity spaces that provide are provided, electric disconnection when guaranteeing that the utility model 00 and probe plug together.
Please refer to Fig. 7 and in conjunction with Fig. 4, shown in Figure 6: described insulating base 30 is T-shaped, by a flat part 34 and extend downward vertically from the intermediate position etc. a base plate 35 of width form, the bottom surface of described lower insulator half 81 and the opening 22 at place, described cavity volume 21 bottom surfaces are provided with a notch portion 82 adjacently, this notch portion shape and described insulating base flat part shape are basically identical, described flat part 34 is contained in the described notch portion 82 and mutual matched in clearance, therefore insulating base 30 can well be located in assembling process, avoid occurring assembling the situation generation of off normal, reduced the fraction defective in making process, improved the consistency of insulating base rigging position between the different goods, simultaneously both mutual gaps are combined with and benefit insulating base to the effect of cavity volume opening 22 sealings, better intercepted foreign matter and in welding process the scolder of melting enter.
Please refer to shown in Figure 4: described movable terminal 60 and the fixed terminal 70 respectively separately place side from the cavity volume 21 of described switch base protrude an extension, this extension bends a weld part, when the utility model was applied to objective circuit, described movable terminal weld part 64 was in the same place by SMT welding procedure and welding circuit board with fixed terminal weld part 71.Described insulating base is below mutual overlap joint zone between above-mentioned movable terminal weld part 64 and the fixed terminal weld part 71, prevent that so not only scolder enters movable terminal 60 and the fixed terminal 70 mutual positions that overlap in the SMT welding procedure, more can effectively avoid the scolder around in the SMT welding process stiff end weld part 71 to climb attached accumulation, isolate with the scolder of fixed terminal weld part 71 when making movable terminal suppress arm 61 contact sites 63 after probe inserts, to move down, guarantee normally commutation circuit of radio-frequency maser.
Please refer to Fig. 7, in conjunction with shown in Figure 4: the bottom surface of described insulating base 30 is provided with a recess 33 in weld part 71 sides near described fixed terminal, in the SMT welding procedure, will adhere to scolder around the fixed terminal weld part 71, when scolder is too much, described recess can provide certain accommodation space to excess solder, further avoids too much climbing attached accumulation to fixed terminal weld part 71 because of scolder.
Please refer to Fig. 6, shown in Figure 7: at least one end on limit, described insulating base recess 33 place is provided with oblique notch part 36, and the notch portion 82 of described lower insulator half is provided with should oblique notch part 36 shapes and the oblique protuberance 83 of quantity.The oblique protuberance 83 that only has lower insulator half in assembling process and oblique notch part 36 in the vertical directions of insulating base 30 are mutual corresponding when overlapping, insulating base can be accommodated in the lower insulation, and the situation that so just can effectively avoid insulation board 30 anti-dress (oppositely assembling) to occur occurs.
Please refer to shown in Figure 9: the bottom surface of described lower insulation insulator half 81 and the opening 22 at place, described cavity volume 21 bottom surfaces are provided with a positive stop lug boss 84 adjacently, this positive stop lug boss 84 is positioned at insulating base in the opening 22 at place, described cavity volume bottom surface near movable terminal weld part 61 1 ends in assembling insulating base 30 processes, avoids insulating base near movable terminal weld part 61 1 ends off normal to occur when assembling.
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. structure improved radio-frequency maser, by an outer shell base, one switch base and an insulating base form, this outer shell base comprises insulator on a metal shell and, metal shell is coated on the upper insulator form by inlaying injection molding method, the center is provided with a spliced eye that runs through up and down outer shell base, described switch base comprises a movable terminal, one fixed terminal overlaps switch and the lower insulator of formation mutually, described switch is embedded in the lower insulator form by inlaying injection molding method, it is characterized in that: the lower insulator of described switch base partly is comprised of two lower insulators that are symmetric in the switch both sides, form the cavity volume of the up and down penetrating switch seat of described switch zone of action between these two lower insulators half, described insulating base is covered in the opening that cavity volume forms in the switch base bottom surface, described metal shell has the holder of coating and backstop action in the bending one downwards of the appropriate position of switch base both sides, make outer shell base place the switch base top, envelope simultaneously switch base and insulating base and backstop in described metal shell.
2. a kind of structure improved radio-frequency maser according to claim 1, it is characterized in that: the dual-side of described movable terminal and fixed terminal is embedded in respectively in the lower insulator half of cavity volume both sides of described switch base, and the overlap joint join domain of described movable terminal and fixed terminal is positioned at the substantial middle position of described cavity volume.
3. a kind of structure improved radio-frequency maser according to claim 1 is characterized in that: described insulating base is provided with one towards the outstanding boss of spliced eye direction near under the spliced eye of described outer shell base center.
4. a kind of structure improved radio-frequency maser according to claim 1, it is characterized in that: the side of described insulating base 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.
5. a kind of structure improved radio-frequency maser according to claim 1, it is characterized in that: described insulating base is T-shaped, by a flat part and extend downward vertically from the intermediate position etc. a base plate of width form, the opening at the bottom surface of described lower insulator half and place, described cavity volume bottom surface is provided with a notch portion adjacently, and described flat part is contained in described notch portion and the opening.
6. a kind of structure improved radio-frequency maser according to claim 2, it is characterized in that: described movable terminal and the fixed terminal respectively separately place side from the cavity volume of described switch base protrude an extension, this extension bends a weld part, wherein, the weld part of the described fixed terminal formation that bends inwards from the side of switch base.
7. a kind of structure improved radio-frequency maser according to claim 6 is characterized in that: the bottom surface of described insulation board is provided with a recess in the weld part side near described fixed terminal.
8. a kind of structure improved radio-frequency maser according to claim 7, it is characterized in that: at least one end on limit, described recess place is provided with oblique notch part, and the notch portion of described lower insulator half is provided with should oblique notch part shape and the oblique protuberance of quantity.
9. a kind of structure improved radio-frequency maser according to claim 1 is characterized in that: the bottom surface of described lower insulator half is provided with a positive stop lug boss adjacently with the opening that described cavity volume bottom surface is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206247663U CN202906054U (en) | 2012-11-23 | 2012-11-23 | Radio frequency head with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206247663U CN202906054U (en) | 2012-11-23 | 2012-11-23 | Radio frequency head with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906054U true CN202906054U (en) | 2013-04-24 |
Family
ID=48126681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206247663U Expired - Lifetime CN202906054U (en) | 2012-11-23 | 2012-11-23 | Radio frequency head with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202906054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447651A (en) * | 2020-11-02 | 2022-05-06 | 富誉电子科技（淮安）有限公司 | Radio frequency switch connector |
-
2012
- 2012-11-23 CN CN2012206247663U patent/CN202906054U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447651A (en) * | 2020-11-02 | 2022-05-06 | 富誉电子科技（淮安）有限公司 | Radio frequency switch connector |
| CN114447651B (en) * | 2020-11-02 | 2023-07-18 | 富誉电子科技（淮安）有限公司 | Radio frequency switch 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 |
Granted publication date: 20130424 |
|
| CX01 | Expiry of patent term |