CN202652322U - Mobile phone radio frequency test fixture - Google Patents
Mobile phone radio frequency test fixture Download PDFInfo
- Publication number
- CN202652322U CN202652322U CN 201220192784 CN201220192784U CN202652322U CN 202652322 U CN202652322 U CN 202652322U CN 201220192784 CN201220192784 CN 201220192784 CN 201220192784 U CN201220192784 U CN 201220192784U CN 202652322 U CN202652322 U CN 202652322U
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- CN
- China
- Prior art keywords
- radio frequency
- mobile phone
- phone radio
- guide pillar
- steel ball
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a mobile phone radio frequency test fixture which is fixed in an electromagnetic shielding box and comprises an upper test rack which is connected on a bottom plate via a steel ball guide pillar assembly and a cylinder assembly, wherein the bottom plate is fixed in a radio frequency test electromagnetic shielding box. The mobile phone radio frequency test fixture pushes the upper test rack via the cylinder assembly during the work process, and the upper test rack is parallel with the bottom plate to carry out up and down and back and forth movements via the guiding of the steel ball guide pillar assembly. By using the mobile phone radio frequency test fixture of the utility model, the overall rigid and guiding precision of a mobile phone radio frequency test fixture guiding device can be improved, the fixture overall stability is improved, and the rack service life of the mobile phone radio frequency test fixture is increased.
Description
Technical field
The application relates to the technical field of mobile phone radio frequency test, relates in particular to a kind of mobile phone radio frequency measurement jig.
Background technology
Radio frequency is exactly radio-frequency current, and it is that a kind of high-frequency ac changes electromagnetic abbreviation.The alternating current that per second changes less than 1000 times is called low-frequency current, and greater than 10000 times the high-frequency current that is called, and radio frequency is exactly a kind of like this high-frequency current.CDMA2000 is a kind of 3G mobile communication standard wherein, and its Related product enters market, various countries all needs to force test.
In the radio frequency testing of mobile phone, usually to use the radio frequency testing tool.Guider in the existing mobile phone radio frequency measurement jig is the two bar cylinders that connect upper testing jig and base plate.Cause the integral rigidity of guider of mobile phone radio frequency measurement jig relatively poor, guiding accuracy is poor.Therefore in test, when upper testing jig moves downward along two bar cylinders, upper testing jig is connected one of two bar cylinders with base plate hold capable closure level with both hands after, the other end meeting pressurized perk of upper testing jig and base plate, cause testing jig and base plate parallelism error large, cause the test probe contact unstable, impact test effect.And because the rigidity of two bar cylinders is bad, deformation is larger, causes the poor stability of frame integral body, has affected useful life, and useful life is less than 150,000 times.
Thereby the problem that those skilled in the art need to solve is: a kind of mobile phone radio frequency measurement jig is provided, improves integral rigidity and the guiding accuracy of mobile phone radio frequency measurement jig guider; And improve the resistance to overturning of tool, increase the useful life of the frame of mobile phone radio frequency measurement jig.
The utility model content
The application's technical problem to be solved provides a kind of mobile phone radio frequency measurement jig, improves integral rigidity and the guiding accuracy of mobile phone radio frequency measurement jig guider; And improve the resistance to overturning of tool, increase the useful life of the frame of mobile phone radio frequency measurement jig.
In order to address the above problem, the application discloses a kind of mobile phone radio frequency measurement jig, and described mobile phone radio frequency measurement jig is fixed in the electromagnetic shielding box, can comprise:
Upper testing jig is connected on the base plate by steel ball guide pillar assembly and cylinder assembly;
Described base plate is fixed in the radio frequency testing electromagnetic shielding box;
Described mobile phone radio frequency measurement jig promotes upper testing jig by cylinder assembly in the course of the work, and upper testing jig is parallel to base plate and does up and down motion by the guiding of steel ball guide pillar assembly.
Preferably, can partly be connected by two through holes and steel ball guide pillar assembly guide pin bushing between described upper testing jig and the steel ball guide pillar assembly.
Preferably, described steel ball guide pillar assembly is high rigid mould shelf structure, can comprise:
Two guide pillars and two guide pin bushings have retainer in the described guide pillar, in the described guide pin bushing steel ball are arranged;
Described guide pin bushing overall diameter is greater than described through-hole diameter, and described guide pin bushing is fixed in the through hole;
Described guide pillar one end penetrates guide pin bushing, and the other end is fixed on base plate and steel ball guide pillar assembly link.
Preferably, described cylinder assembly can comprise:
Cylinder rod, cylinder block and Pneumatic valve;
Described cylinder rod one end is fixed on the described upper testing jig;
Described Pneumatic valve is connected on the cylinder block;
Described cylinder block is fixed on the base plate.
Preferably, described cylinder assembly is under reset condition, and described cylinder rod stretches out cylinder, supports described upper testing jig and stops at the extreme higher position.
Preferably, describedly can control described cylinder assembly work by Pneumatic valve, drive described cylinder rod and stretch out cylinder and promote described upper testing jig and be parallel to base plate and move upward; Or drive described cylinder rod indentation cylinder and spur described upper testing jig and be parallel to base plate and move downward.
Compared with prior art, the application has the following advantages:
The mobile phone radio frequency measurement jig that the application provides adopts steel ball guide pillar assembly as the coupling assembling of upper testing jig and base plate, and steel ball guide pillar assembly is high rigid die structure, has more rigidity and guiding accuracy.The upper testing jig of cylinder assembly driving is parallel to base plate and does up and down motion, makes the applying of testing jig and base plate tighter.
And steel ball guide pillar assembly is as connector and power is provided, and makes frame integral body more stable, increases the useful life of mobile phone radio frequency measurement jig, and the life-span can reach 300,000 times.
Description of drawings
Fig. 1 is the schematic diagram in the application's mobile phone radio frequency test chassis front;
Fig. 2 is the schematic diagram at the application's the mobile phone radio frequency test chassis back side.
Embodiment
For above-mentioned purpose, the feature and advantage that make the application can become apparent more, below in conjunction with the drawings and specific embodiments the application is described in further detail.
One of core idea of the embodiment of the present application is, adopts steel ball guide pillar assembly as the coupling assembling of upper testing jig and base plate, and steel ball guide pillar assembly is high rigid die structure, has more rigidity and guiding accuracy.The upper testing jig of cylinder assembly driving is parallel to base plate and does up and down motion, makes the applying of testing jig and base plate tighter.And steel ball guide pillar assembly is as connector and power is provided, and makes frame integral body more stable, increases the useful life of mobile phone radio frequency measurement jig, and the life-span can reach 300,000 times.
The schematic diagram at the frame back side of the schematic diagram in the frame front of the application's that reference is shown in Figure 1 mobile phone radio frequency measurement jig, the application's shown in Figure 2 mobile phone radio frequency measurement jig, in the embodiment of the present application, the frame of described mobile phone radio frequency measurement jig specifically can comprise:
In a preferred embodiment of the present application, be connected by two through holes 11 and steel ball guide pillar assembly guide pin bushing 12 parts between described upper testing jig 101 and the steel ball guide pillar assembly 102.
In a preferred embodiment of the present application, described steel ball guide pillar assembly 102 specifically can comprise two guide pillars 13 and two guide pin bushings 12, in the described guide pillar 13 retainer is arranged, and in the described guide pin bushing 12 steel ball is arranged.
Described guide pin bushing 12 overall diameters are greater than described through hole 11 diameters, and described guide pin bushing 12 can adopt interference fit, or method is fixed in the through hole 11 with glue is bonding etc. in the gap; Described guide pillar 13 1 ends penetrate guide pin bushing 11, and the other end can be fixed on base plate 104 and steel ball guide pillar assembly 102 links;
In specific implementation, guide pin bushing 12 adopts interference fit to be connected with through hole 11, namely by pressure the guide pin bushing 12 that slightly is coarser than through hole 11 is pressed in the through hole 12, so that guide pin bushing 12 firm being stuck among the through hole 11.Guide pin bushing 12 inwalls can use lubriation material, and the slip between assurance and the guide pillar 13 is smooth and easy.
In a preferred embodiment of the present application, described cylinder assembly 103 specifically can comprise a cylinder rod 14, cylinder block 15 and Pneumatic valve 16.
Described Pneumatic valve 16 is connected on the cylinder block 15; Described cylinder block 15 can be fixed on the base plate 104.
Described base plate 104 is fixed in the radio frequency testing electromagnetic shielding box 105.
In specific implementation, cylinder block 15 and cylinder rod 14 can be screwed on upper testing jig 101 and base plate 104.Base plate 104 can be screwed at radio frequency testing electromagnetic shielding box 105 inwalls.Above-mentioned connection also can comprise any fixing means that can reach effect same.
In order to allow those skilled in the art better understand the application's content, the sequence of opening again below in conjunction with the pressing of mobile phone radio frequency measurement jig elder generation is illustrated:
1, before the pressing of described mobile phone radio frequency measurement jig, cylinder assembly 103 in a state of nature, described cylinder rod 14 stretches out cylinder 15, supports described upper testing jig 101 and stops at the extreme higher position.
2, by Pneumatic valve 16 control cylinder bars 14 indentation cylinders 15, in the process of cylinder rod 14 downward indentation cylinders 15, the upper testing jig 101 of cylinder rod 14 pullings, upper testing jig is parallel to base plate 104 by through hole 11 and guide pin bushing 12 along guide pillar 13 and moves downward.
3, when upper testing jig 101 is pressed together on the end face of base plate 104, mobile phone radio frequency test chassis pressing process finishes, and the depth of parallelism of testing jig 101 and base plate 104 is in the 0.02mm scope on this moment.
4, stretch out cylinder 15 by Pneumatic valve 16 control cylinder bars 14, cylinder rod 14 protrudes upward in the process of cylinder 15, cylinder rod 14 promotes upper testing jig 101, and upper testing jig is parallel to base plate 104 by through hole 11 and guide pin bushing 12 along guide pillar 13 and moves upward, until move to highest order.
Need to prove, for the embodiment of the present application, for simple description, so it all is expressed as a series of component combination, but those skilled in the art should know, the application's device is not subjected to the restriction of described material and parts, because according to the application, some material and parts can adopt other materials and parts to replace.Can be with replacements such as common guide pillar guide pin bushing, line slide rail linear bearings such as: steel ball guide pillar assembly.
Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action might not be that the application is necessary.
In specific implementation, described device embodiment can arrange independent utilization, or according to actual conditions a plurality of supporting the use is set, and the application can be used for also that the application is not restricted this in numerous general or special purpose radio frequency testing tools.
More than a kind of mobile phone radio frequency measurement jig that the application is provided be described in detail, used specific case herein the application's principle and execution mode are set forth, the explanation of above embodiment just is used for helping to understand the application's method and core concept thereof; Simultaneously, for one of ordinary skill in the art, the thought according to the application all will change in specific embodiments and applications, and in sum, this description should not be construed as the restriction to the application.
Claims (6)
1. a mobile phone radio frequency measurement jig is characterized in that, described mobile phone radio frequency measurement jig is fixed in the electromagnetic shielding box, comprising:
Upper testing jig is connected on the base plate by steel ball guide pillar assembly and cylinder assembly;
Described base plate is fixed in the radio frequency testing electromagnetic shielding box;
Described mobile phone radio frequency measurement jig promotes upper testing jig by cylinder assembly in the course of the work, and upper testing jig is parallel to base plate and does up and down motion by the guiding of steel ball guide pillar assembly.
2. mobile phone radio frequency test chassis as claimed in claim 1 is characterized in that, partly is connected by two through holes and steel ball guide pillar assembly guide pin bushing between described upper testing jig and the steel ball guide pillar assembly.
3. mobile phone radio frequency test chassis as claimed in claim 2 is characterized in that, described steel ball guide pillar assembly is high rigid mould shelf structure, comprising:
Two guide pillars and two guide pin bushings have retainer in the described guide pillar, in the described guide pin bushing steel ball are arranged;
Described guide pin bushing overall diameter is greater than described through-hole diameter, and described guide pin bushing is fixed in the through hole;
Described guide pillar one end penetrates guide pin bushing, and the other end is fixed on base plate and steel ball guide pillar assembly link.
4. mobile phone radio frequency test chassis as claimed in claim 3 is characterized in that, described cylinder assembly comprises:
Cylinder rod, cylinder block and Pneumatic valve;
Described cylinder rod one end is fixed on the described upper testing jig;
Described Pneumatic valve is connected on the cylinder block;
Described cylinder block is fixed on the base plate.
5. mobile phone radio frequency measurement jig as claimed in claim 4 is characterized in that, described cylinder assembly is under reset condition, and described cylinder rod stretches out cylinder, supports described upper testing jig and stops at the extreme higher position.
6. mobile phone radio frequency measurement jig as claimed in claim 5 is characterized in that, describedly controls described cylinder assembly work by Pneumatic valve, drives described cylinder rod and stretches out cylinder and promote described upper testing jig and be parallel to base plate and move upward; Or drive described cylinder rod indentation cylinder and spur described upper testing jig and be parallel to base plate and move downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192784 CN202652322U (en) | 2012-04-28 | 2012-04-28 | Mobile phone radio frequency test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192784 CN202652322U (en) | 2012-04-28 | 2012-04-28 | Mobile phone radio frequency test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652322U true CN202652322U (en) | 2013-01-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220192784 Expired - Lifetime CN202652322U (en) | 2012-04-28 | 2012-04-28 | Mobile phone radio frequency test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312360A (en) * | 2013-06-25 | 2013-09-18 | 成都网动光电子技术股份有限公司 | Workbench for fixing radiofrequency transceiver |
| TWI513986B (en) * | 2014-10-13 | 2015-12-21 | 矽品精密工業股份有限公司 | Radiofrequency testing device |
-
2012
- 2012-04-28 CN CN 201220192784 patent/CN202652322U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312360A (en) * | 2013-06-25 | 2013-09-18 | 成都网动光电子技术股份有限公司 | Workbench for fixing radiofrequency transceiver |
| TWI513986B (en) * | 2014-10-13 | 2015-12-21 | 矽品精密工業股份有限公司 | Radiofrequency testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
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| CX01 | Expiry of patent term |