CN218215106U - Miniature radio frequency switch with good stability - Google Patents
Miniature radio frequency switch with good stability Download PDFInfo
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- CN218215106U CN218215106U CN202221944711.0U CN202221944711U CN218215106U CN 218215106 U CN218215106 U CN 218215106U CN 202221944711 U CN202221944711 U CN 202221944711U CN 218215106 U CN218215106 U CN 218215106U
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- 239000000523 sample Substances 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 12
- 229910000679 solder Inorganic materials 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005476 soldering Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a miniature radio frequency switch that stability is good belongs to radio frequency connector technical field. Including the casing, the core is glued to the oral area, input terminal, output terminal, the core is glued to the main part, the core is glued to the oral area, input terminal, output terminal, the core is all fixed in the casing to the main part, input terminal and output terminal are installed in the core is glued to the main part and the contact is connected and is formed the switch structure, the oral area is glued and is provided with the probe guiding hole in the core, the input terminal main part is including the elasticity arm of force, the front end of the elasticity arm of force is provided with the switch contact arch, be provided with the switch contact area in the output terminal main part, the upper portion that the core was glued to the main part is provided with compresses tightly the groove, it is provided with arm of force activity groove to compress tightly the inslot, the setting of the elasticity arm of force just switch contact arch can be at arm of force activity groove luffing motion at arm of force activity inslot. The switch contact protrusion and the switch contact area are in contact or separated in a propping mode, and then the radio frequency switch is switched on or switched off.
Description
Technical Field
The utility model belongs to the technical field of the radio frequency connector, in particular to miniature radio frequency switch that stability is good.
Background
The radio frequency switch is also called a microwave switch, and is widely applied to mobile equipment for controlling the conversion and the test of a microwave antenna signal channel.
With the advent of the intelligent era, connection testing devices such as radio frequency switches and the like are also required to be further miniaturized in the field of increasingly miniaturized electronic information such as mobile phones, wireless local area network devices and the like, but the radio frequency switches are reduced in size and structure in the process of miniaturization, so that the stability of the structure is greatly weakened, and the service life of products is shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the primary object of the present invention is to provide a micro rf switch with good stability, stable structure and long service life;
another object of the present invention is to provide a micro rf switch with good stability, which provides reverse support through a dovetail type reverse support plate spring, and helps the elastic force arm to rebound, thereby reducing fatigue of the elastic force arm and improving the service life and reliability of the switch;
a final objective of the present invention is to provide a stable micro rf switch, which can release the stress of the material and improve the stability of the structure.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a miniature radio frequency switch that stability is good, glue core, input terminal, output terminal, main part including casing, oral area and glue the core, input terminal, output terminal, main part are glued to the oral area and are glued the core and all fix in the casing, input terminal and output terminal install in the main part is glued the core and the contact is connected and is formed switch structure, the oral area is glued the in-core and is provided with probe guiding hole, probe guiding hole sets up switch structure directly over. The overall dimension of the micro radio frequency switch in the application is as follows: the length is 2.5mm, the width is 2.5mm, the height is 1.5mm, and the micro-structure belongs to. The probe guide hole can be connected with the probe, and the switch-on and switch-off of the switch structure are realized by the up-and-down movement of the probe.
The input terminal is including the input terminal main part, the input terminal main part includes the elasticity arm of force, the front end of the elasticity arm of force is provided with the switch contact arch, output terminal is including the output terminal main part, be provided with the switch contact zone in the output terminal main part, the upper portion of core is glued to the main part is provided with compresses tightly the groove, input terminal main part and output terminal main part are all installed and are being compressed tightly the inslot, it is provided with the arm of force activity groove to compress tightly the inslot, the elasticity arm of force sets up in the arm of force activity inslot just the switch contact arch can be at arm of force activity groove luffing motion, the probe guiding hole sets up the top at the elasticity arm of force, the switch contact zone sets up and is connected in the bellied top of switch contact and the protruding contact of switch contact. In a normal state, the switch contact bulge is in abutting contact with the switch contact area, and the radio frequency switch is in a conducting state; when the probe is pressed and moves downwards from the probe guide hole, the elastic force arm can be pressed downwards, the switch contact protrusion is driven to swing downwards to be separated from the switch contact area, the radio frequency switch is disconnected, after the external force is removed, the elastic force arm recovers deformation, the switch contact protrusion can be driven to swing upwards to be abutted against the switch contact area, and the radio frequency switch recovers a conduction state.
Furthermore, be provided with in the casing with the first constant head tank of core looks adaptation is glued to the oral area, and with the second constant head tank of core looks adaptation is glued to the main part, first constant head tank sets up directly over the second constant head tank and communicates with the second constant head tank, the core is fixed at first constant head tank to the oral area, the core is fixed in the second constant head tank to the main part.
Furthermore, a circle of groove is further arranged on the outer side wall of the first positioning groove and can be used for buckling and connecting an external device.
Further, the both sides of second constant head tank are provided with the lock arm, and the lock arm of both sides all sets up to the L type structure of buckling in the second constant head tank to the combination forms parcel type structure. Can glue core, input terminal, output terminal firmly to fix in the second constant head tank with the main part. After the tin is soldered through the shell, the main body rubber core, the input terminal, the output terminal and other devices can be fixed on the circuit board.
Further, still be provided with the spacing groove on the lock arm, the both sides of core are glued to the main part still are provided with the stopper, the stopper joint is at the spacing inslot, consolidates overall structure.
Further, the front end of casing still is provided with big breach signal input sign, input terminal is still including setting up the input leg link in the casing front side, input leg link is connected with the input terminal main part, be provided with signal input polarity sign on the input leg link, signal input polarity sign sets up the side below at big breach signal input sign. The rear end of casing is provided with little breach signal output sign, output terminal is still including setting up the output leg link in the casing rear side, the output leg link is connected with the output terminal main part, be provided with signal output polarity sign on the output leg link, signal output polarity sign sets up the side below at little breach signal output sign. The input end and the output end of the radio frequency switch can be conveniently identified through the large notch signal input identification and the small notch signal output identification, and the wiring error is avoided.
Furthermore, the side of the shell is also provided with a polarity identification area of a bevel edge structure. The position is more obvious and more obvious, and the wiring error is avoided.
Furthermore, the mouth rubber core comprises a guide part arranged on the upper part and a pressing part arranged on the lower part, the guide part is fixed in the first positioning groove, and the probe guide hole vertically penetrates through the guide part and the pressing part.
Further, the pressing portion is disposed in the pressing groove and pressed above the input terminal body and the output terminal body. The main body rubber core has an integral supporting function, fixedly wraps the input terminal and the output terminal, and is embedded into the connecting port rubber core, so that the device is integrally firm, flat and attractive.
Furthermore, all be provided with the buckle on input terminal main part and the output terminal main part, the bottom that compresses tightly the portion be provided with the draw-in groove of buckle looks adaptation, the buckle joint is in the draw-in groove.
Furthermore, symmetrical dovetail type reverse supporting plate springs are arranged on two sides of the elastic force arm and abut against and contact with the pressing grooves. The reverse support of the fatigue of the elastic force arm is facilitated, and the service life and the reliability of the switch are improved.
Furthermore, the middle part of the input terminal main body is also provided with a special-shaped hole, and the special-shaped hole is arranged at the tail end of the elastic force arm, so that the stress of the material can be released, and the switch is more flexible.
Further, input leg link is connected with the input terminal main part, output leg link is connected with the output terminal main part, input leg link and output leg link are L type structure, just all be provided with the waist round hole on the vertical board of input leg link and output leg link, input leg link and output leg link are used for flitch soldering tin to connect, and the waist round hole can release material stress, and the shaping of bending of input leg link of being convenient for, stable in structure.
Furthermore, the bottom of the main body rubber core is also provided with a bottom supporting bulge and a reverse polarity mark.
Furthermore, the bottom of the shell is also provided with welding pits which are arranged on the surface of the foot welding veneers, so that the weldability is better and the welding is firmer.
The utility model has the advantages of, compare in prior art:
firstly, the miniature radio frequency switch of the utility model drives the switch contact protrusion to swing up and down through the elastic force arm, so as to realize the abutting contact or separation of the switch contact protrusion and the switch contact area, further realize the on-off of the radio frequency switch, and has stable structure and long service life;
secondly, symmetrical dovetail type reverse supporting plate springs are further arranged on two sides of the elastic force arm of the input terminal, and can reversely support in the pressing process of the elastic force arm, so that the power-assisted elastic force arm rebounds, the fatigue of the elastic force arm is reduced, and the service life and the reliability of the switch are improved;
and thirdly, the input terminal and the output terminal are both provided with special-shaped holes and waist round holes, so that the stress of the material can be released, and the stability of the structure is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural diagram of the housing of the present invention.
Fig. 4 is a schematic structural view of the mouth rubber core of the present invention.
Fig. 5 is a schematic structural diagram of the input terminal of the present invention.
Fig. 6 is a schematic structural diagram of the output terminal of the present invention.
Fig. 7 is a schematic structural view of the rubber core of the main body of the present invention.
Fig. 8 is a cross-sectional view of the micro rf switch in an off state when the probe of the present invention is inserted.
Fig. 9 is a cross-sectional view of the micro rf switch conducting state when the probe is off.
Fig. 10 is a bottom view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
referring to fig. 1 to 10, the embodiment provides a micro radio frequency switch with good stability, which includes a housing 1, an oral rubber core 2, an input terminal 3, an output terminal 4, and a main rubber core 5, where the oral rubber core 2, the input terminal 3, the output terminal 4, and the main rubber core 5 are all fixed in the housing 1, the input terminal 3 and the output terminal 4 are installed in the main rubber core 5 and are connected in contact to form a switch structure, a probe guide hole 21 is provided in the oral rubber core 2, and the probe guide hole 21 is provided right above the switch structure. The overall dimension of the micro radio frequency switch in the application is as follows: the length is 2.5mm, the width is 2.5mm, the height is 1.5mm, and the micro-structure belongs to. The probe guide hole 21 can be connected with a probe, and the probe 8 moves up and down to realize the connection and disconnection of the switch structure.
Further, be provided with in the casing 1 and glue the first constant head tank 11 of core 2 looks adaptation with the oral area to and glue the second constant head tank 12 of core 5 looks adaptation with the main part, first constant head tank 11 sets up directly over second constant head tank 12 and communicates with second constant head tank 12, and core 2 is fixed in first constant head tank 11 to the oral area, and core 5 is fixed in second constant head tank 12 to the main part.
Furthermore, a circle of groove 13 is further arranged on the outer side wall of the first positioning groove 11, and can be used for buckling and connecting an external device.
Further, the two sides of the second positioning groove 12 are provided with buckling arms 14, and the buckling arms 14 on the two sides are both arranged into L-shaped structures bent towards the inside of the second positioning groove 12 and combined to form a wrapping structure. The main body rubber core 5, the input terminal and the output terminal 4 can be firmly fixed in the second positioning groove 12. After soldering through the case 1, the devices such as the main body rubber core 5, the input terminal, and the output terminal 4 can be fixed to the circuit board.
Further, still be provided with spacing groove 15 on the lock arm 14, the both sides of core 5 are glued to the main part still are provided with stopper 53, and stopper 53 joint is at spacing groove 15, consolidates whole structure.
Further, the front end of the housing 1 is further provided with a large notch signal input identifier 17, the input terminal 3 further comprises an input solder tail connecting end 32 arranged on the front side of the housing 1, the input solder tail connecting end 32 is connected with the input terminal main body 31, a signal input polarity identifier 321 is arranged on the input solder tail connecting end 32, and the signal input polarity identifier 321 is arranged below the side of the large notch signal input identifier 17. The rear end of the housing 1 is provided with a small-gap signal output identifier 16, the output terminal 4 further comprises an output soldering pin connecting end 42 arranged at the rear side of the housing 1, the output soldering pin connecting end 42 is connected with the output terminal main body 41, a signal output polarity identifier 421 is arranged on the output soldering pin connecting end 42, and the signal output polarity identifier 421 is arranged below the side of the small-gap signal output identifier 16. The input end and the output end of the radio frequency switch can be conveniently identified through the large notch signal input identification 17 and the small notch signal output identification 16, and errors in wiring are avoided.
Further, the side of the housing 1 is provided with a polarity identification area 18 with a bevel edge structure. The position is more obvious and more obvious, and the wiring error is avoided.
Further, the mouth glue core 2 comprises a guide part 22 arranged at the upper part and a pressing part 23 arranged at the lower part, the guide part 22 is fixed in the first positioning groove 11, and the probe guide hole 21 vertically penetrates through the guide part 22 and the pressing part 23.
Further, the pressing portion 23 is provided in the pressing groove 51 and pressed above the input terminal body 31 and the output terminal body 41. The main body rubber core 5 has an integral supporting function, fixedly wraps the input terminal and the output terminal, and is embedded into the connector rubber core 2, so that the device is integrally firm, flat and attractive.
Further, the input terminal body 31 and the output terminal body 41 are both provided with a buckle 6, the bottom of the pressing portion 23 is provided with a clamping groove 24 matched with the buckle 6, and the buckle 6 is clamped in the clamping groove 24.
Furthermore, symmetrical dovetail type reverse supporting plate springs 313 are arranged on two sides of the elastic arm 311, and the dovetail type reverse supporting plate springs 313 are abutted and contacted in the pressing groove 51. The reverse support of the fatigue of the elastic force arm is facilitated, and the service life and the reliability of the switch are improved.
Further, the middle portion of the input terminal main body 31 is further provided with a special-shaped hole 314, and the special-shaped hole 314 is arranged at the tail end of the elastic force arm 311, so that the material stress can be released, and the switch is more flexible.
Further, input leg link 32 is connected with input terminal main part 31, output leg link 42 is connected with output terminal main part 41, input leg link 32 and output leg link 42 are L type structure, and all be provided with waist round hole 7 on the vertical board of input leg link 32 and output leg link 42, input leg link 32 and output leg link 42 are used for flitch soldering tin to be connected, waist round hole 7 can release material stress, be convenient for input leg link 32 and bend the shaping, stable in structure.
Further, the bottom of the main body rubber core 5 is also provided with a bottom supporting protrusion 52 and a reverse polarity mark 53.
Furthermore, the bottom of the shell 1 is also provided with welding pits 19 which are arranged on the surface of the foot welding patch, so that the weldability is better and the welding is firmer.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A micro radio frequency switch with good stability is characterized by comprising a shell, an oral rubber core, an input terminal, an output terminal and a main body rubber core, wherein the oral rubber core, the input terminal, the output terminal and the main body rubber core are all fixed in the shell;
the input terminal is including the input terminal main part, the input terminal main part includes the elasticity arm of force, the front end of the elasticity arm of force is provided with the switch contact arch, output terminal is including the output terminal main part, be provided with the switch contact zone in the output terminal main part, the upper portion of core is glued to the main part is provided with compresses tightly the groove, input terminal main part and output terminal main part are all installed and are being compressed tightly the inslot, it is provided with the arm of force activity groove to compress tightly the inslot, the elasticity arm of force sets up in the arm of force activity inslot just the switch contact arch can be at arm of force activity groove luffing motion, the probe guiding hole sets up the top at the elasticity arm of force, the switch contact zone sets up and is connected in the bellied top of switch contact and the protruding contact of switch contact.
2. The stable micro rf switch as claimed in claim 1, wherein a first positioning groove adapted to the mouth rubber core and a second positioning groove adapted to the main body rubber core are disposed in the housing, the first positioning groove is disposed right above the second positioning groove and is communicated with the second positioning groove, the mouth rubber core is fixed in the first positioning groove, and the main body rubber core is fixed in the second positioning groove.
3. The stable micro rf switch as claimed in claim 2, wherein a ring of grooves is further formed on an outer sidewall of the first positioning groove.
4. The stable micro radio frequency switch according to claim 1, wherein the second positioning groove is provided with two engaging arms at two sides thereof, the engaging arms at two sides are both configured as L-shaped structures bent toward the second positioning groove and combined to form a wrapping structure, the engaging arms are further provided with a limiting groove, the rubber core of the main body is further provided with two limiting blocks at two sides thereof, and the limiting blocks are clamped in the limiting groove.
5. The micro radio frequency switch with good stability as claimed in claim 1, wherein the front end of the housing is further provided with a large notch signal input mark, the input terminal further comprises an input solder tail connecting end arranged on the front side of the housing, the input solder tail connecting end is connected with the input terminal main body, the input solder tail connecting end is provided with a signal input polarity mark, and the signal input polarity mark is arranged below the large notch signal input mark; the rear end of the shell is provided with a small-gap signal output identifier, the output terminal also comprises an output welding leg connecting end arranged on the rear side of the shell, the output welding leg connecting end is connected with the output terminal main body, the output welding leg connecting end is provided with a signal output polarity identifier, and the signal output polarity identifier is arranged below the small-gap signal output identifier; the side edge of the shell is also provided with a polarity identification area of a bevel edge structure; the bottom of the shell is also provided with welding pits.
6. The micro radio frequency switch with good stability as claimed in claim 2, wherein the mouth rubber core comprises a guide part arranged at the upper part and a pressing part arranged at the lower part, the probe guide hole vertically penetrates through the guide part and the pressing part, the guide part is fixed in the first positioning groove, and the pressing part is arranged in the pressing groove and pressed above the input terminal body and the output terminal body.
7. The stable micro radio frequency switch as claimed in claim 6, wherein the input terminal body and the output terminal body are both provided with a buckle, the bottom of the pressing portion is provided with a slot adapted to the buckle, and the buckle is clamped in the slot.
8. The stable micro radio frequency switch as claimed in claim 1, wherein symmetrical dovetail type reverse supporting plate springs are disposed on two sides of the elastic arm, and the dovetail type reverse supporting plate springs are in contact with the pressing groove.
9. The stable micro rf switch as claimed in claim 1, wherein the input terminal body further has a shaped hole in the middle thereof, and the shaped hole is disposed at the end of the elastic arm.
10. The stable micro radio frequency switch according to claim 5, wherein the input solder tail connection end and the output solder tail connection end are both L-shaped structures, and waist circular holes are disposed on the vertical plates of the input solder tail connection end and the output solder tail connection end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221944711.0U CN218215106U8 (en) | 2022-07-25 | 2022-07-25 | Miniature radio frequency switch that stability is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221944711.0U CN218215106U8 (en) | 2022-07-25 | 2022-07-25 | Miniature radio frequency switch that stability is good |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN218215106U true CN218215106U (en) | 2023-01-03 |
| CN218215106U8 CN218215106U8 (en) | 2023-04-14 |
Family
ID=84652275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221944711.0U Active CN218215106U8 (en) | 2022-07-25 | 2022-07-25 | Miniature radio frequency switch that stability is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218215106U8 (en) |
-
2022
- 2022-07-25 CN CN202221944711.0U patent/CN218215106U8/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN218215106U8 (en) | 2023-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 Room 101, No. 10, second industrial zone, Xiacun community, Gongming street, Guangming District, Shenzhen, Guangdong Patentee after: SHENZHEN QMSEN ELECTRONIC TECHNOLOGY CO.,LTD. Address before: No. 101, No. 10, Second Industrial Zone, Xiacun Community, Gongming Street, Guangming District, Shaoguan City, Guangdong Province, 518,000 Patentee before: SHENZHEN QMSEN ELECTRONIC TECHNOLOGY CO.,LTD. |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Address Correct: No. 101, No. 10, Second Industrial Zone, Xiacun Community, Gongming Street, Guangming District, Shenzhen City, Guangdong Province, 518000 False: No. 101, No. 10, Second Industrial Zone, Xiacun Community, Gongming Street, Guangming District, Shaoguan City, Guangdong Province, 518000 Number: 01-01 Page: The title page Volume: 39 Correction item: Address Correct: No. 101, No. 10, Second Industrial Zone, Xiacun Community, Gongming Street, Guangming District, Shenzhen City, Guangdong Province, 518000 False: No. 101, No. 10, Second Industrial Zone, Xiacun Community, Gongming Street, Guangming District, Shaoguan City, Guangdong Province, 518000 Number: 01-01 |
|
| OR01 | Other related matters | ||
| OR01 | Other related matters |